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Sedimentation enhancing strategy

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819: 166: 967: 31: 461: 1223: 1088: 574: 240: 317:, and in the Bay of Cartagena negatively impacted the environment. In 2013, Dutch company Royal HaskoningDHV designed a plan including two control structures on the canal. One control structure was built upstream to regulate the amount of water and sediment flowing from the Rio Magdalena into the Canal del Dique. The second control structure was built downstream of the canal at Puerto Badel to divert water and sediment toward a 1218:
that no longer receive water or sediment and therefore lose elevation. Additionally, due to the construction of polders in upstream parts of deltas, floodwater can no longer be stored on upstream floodplains, causing larger floods downstream. A strategy to restore the input of freshwater and sediment
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in the soil, and reduced or eliminated sediment deposition contributing to accelerated land elevation loss. To ameliorate these negative impacts, steps are being taken in the upper Mekong delta to lower levees. This would allow flood water to enter the plains only during peak season. During the rest
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program. The Biesbosch is a 9000-ha freshwater tidal wetland in the southwestern part of the Netherlands. Water and sediments were reintroduced to the Noordwaard, an agricultural polder in the Biesbosch, in 2008. The embankments were lowered by 2 meters to reconnect the Biesbosch wetlands with the
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incoming waves and encourages sediment deposition. The resulting rise in land elevation allows some wetlands to keep up with sea-level rise. Many wetlands have been converted to other land uses by constructing dikes, seawalls and embankments to prevent water encroachment. As a result, wetlands are
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of elevated land along the estuary, protecting the land behind the dikes against flooding. Exchange polders can be created by breaching the seaside embankment to allow tidal water to flow into the embanked area. A second embankment on the other side of the polder stops the tidal water from flowing
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measure due to its potential to raise land through sedimentation and allow residents to cope with changing environmental conditions. TRM involves temporarily breaching levees around low-lying polders to allow river water to flow in. When the water flows into embanked areas during high tide, water
524:, an area that lies outside of the embankments but has a higher elevation than other areas that are protected by embankments in Zeeland. Following this example, exchange polders, in Dutch called wisselpolders, are proposed. Exchange polders make use of natural sedimentation processes to create a 1338:
area and mimic the tidal conditions necessary to recruit and establish wetland vegetation. The site, which would have been inundated under natural conditions, has effectively re-established saltmarsh vegetation following the implementation of the novel method. Although the primary aim of this
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To recreate desired natural tidal conditions, a strategy called the tidal replicate method was applied. The tidal replicate method creates an artificial tidal regime through an automated tidal control system which the authors call SmartGates. The gates manipulate the tidal flow reaching the
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MacKenzie, Richard A.; Foulk, Patra B.; Klump, J. Val; Weckerly, Kimberly; Purbospito, Joko; Murdiyarso, Daniel; Donato, Daniel C.; Nam, Vien Ngoc (2016-04-01). "Sedimentation and belowground carbon accumulation rates in mangrove forests that differ in diversity and land use: a tale of two
268:(CPRA) developed a $ 50 billion, 50-year plan for the Mississippi delta, a central component of which is the reintroduction of river water and sediment to the delta plain through river diversions. Engineered river diversions have previously been implemented in the Mississippi delta at 193:
and other environmental changes in catchments caused by human activities means that less sediment is available in deltas for sedimentation enhancing strategies. The success of sedimentation enhancing strategies is highly context dependent and depends on, for example, river discharge,
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up as the tidal water slows down. Exchange polders have not been implemented yet, because the plan has been critiqued by local farmers. They question the idea of giving land back to nature as there is already a shortage of space in The Netherlands, and are afraid of increased
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and Davis Pond. Although these diversions were not constructed with the primary goal of building land, land growth occurred at both sites. The 2 km wide Caernarvon diversion resulted in sediment deposition of up to 42 cm in the receiving area, creating a
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The construction of dams reduces the sediment load in rivers downstream. Levees and embankments also inhibit the deposition of sediment on the delta plain, resulting in the loss of land elevation. Research has shown that cutting and dredging of shallow, narrow
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rates of up to 5 cm per year have been found. Shallow flooding of land is a strategy used to reduce subsidence and restore wetlands in the delta. Adding a layer of water to the soil restores anaerobic conditions, which results in the accretion of new
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disconnected from hydrological input and no longer receive sediment, which inhibits land raising and can result in land elevation loss. One strategy to restore wetlands is depolderisation, which entails breaching dikes and reconnecting wetlands to rivers,
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In many deltas worldwide, rivers are disconnected from delta plains by embankments or levees which constrain water bodies and prevent hydrological exchange between water and land. River diversions, designed to correct the issue of disconnection caused by
228:. Diversion structures can range from simple gates to more complex siphon or pump systems. In addition to requiring the engineered structures at the point of river diversions, this strategy relies on natural land-building processes. River water loses 140:
Sedimentation enhancing strategies are also more flexible than conventional flood protection. Large-scale infrastructural flood defences are costly and rigid, requiring considerable investment to adapt infrastructural flood defences to changing
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of approximately 130 km within three months. The currently planned Mid- and Lower-Barataria and Breton diversions have been specifically designed to capture and divert sediment from the Mississippi river and deposit it in the receiving
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to climate change. However, almost 70 percent of mangroves are currently lost or degraded, and they are still rapidly deteriorating. Mangrove forests can be restored in several ways, for example through providing space for expansion or by
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Triyanti, A.; Bavinck, M.; Gupta, J.; Marfai, M. A. (2017). "Social capital, interactive governance and coastal protection: The effectiveness of mangrove ecosystem-based strategies in promoting inclusive development in Demak, Indonesia".
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also planted 819 ha of mangrove forests. Restoration programs funded by the government and the oil and gas industry focus on replanting mangroves in abandoned shrimp ponds and encouraging combined mangrove-shrimp aquaculture, also called
675:, but may also drown the Ems-Dollard system, so pilot sedimentation projects are being executed in the estuary. The aim is to trap silt particles on kwelders, which are land areas covered with vegetation that lie outside of the 1156:
constructions. It has been estimated that the average sediment flux in the Danube delta increased from 0.07 g/cm under natural conditions to 0.09-0.12 g/cm after the construction of shallow, narrow channels, which could mean a
516:, a strategy similar to TRM has been proposed to naturally raise the land. During high tide, the Western Scheldt delivers sediment to the areas outside of the embankments. As a result, these areas naturally rise with 453:) has been particularly successful. For example, land in beel Bhaina was raised by 1.5–2 meters near the cut point in the embankment and by 0.2 meters toward the other end of the beel. Due to the success of TRM, the 3197:
Powell, N.; Osbeck, M. (2010). "Approaches for understanding and embedding stakeholder realities in mangrove rehabilitation processes in Southeast Asia: lessons learnt from Mahakam Delta, East Kalimantan".
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and food for other aquatic animals. Reduced algae growth therefore impacts oxygen and food availability for the entire food chain. Climate change climate change-induced sea-level rise may negatively impact
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Gain, A. K.; Benson, D.; Rahman, R.; Datta, D. K.; Rouillard, J. J. (2017). "Tidal river management in the south west Ganges-Brahmaputra delta in Bangladesh: Moving towards a transdisciplinary approach?".
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area west of the canal. In this way, the mangrove area is restored, land is being built, and at the same time the amount of sediment input in the Bay of Cartagena is reduced which promotes
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per year compared to a system with lower or no levees. However, preventing floodwater and sediment from entering the Vietnamese floodplains resulted in increased peak river discharges and
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van Staveren, M. F.; Warner, J. F.; van Tatenhove, J. P. M.; Wester, P. (2014). "Let's bring in the floods: de-poldering in the Netherlands as a strategy for long-term delta survival?".
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pass through, dampen waves, capture sediment and create sheltered, low-energy conditions near the shoreline for sediment accretion. The main idea behind this strategy is that mangroves
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Borsje, B. W.; van Wesenbeeck, B. K.; Dekker, F.; Paalvast, P.; Bouma, T. J.; van Katwijk, M. M.; de Vries, M. B. (2011). "How ecological engineering can serve in coastal protection".
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gain to offset sea-level rise. Interest in sedimentation enhancing strategies has recently increased due to their ability to raise land elevation, which is important for the long-term
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and hinder natural sediment accumulation. In contrast, sedimentation enhancing strategies do not cause these problems and instead address multiple issues simultaneously: they reduce
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rate of 0.5-0.8 mm per year. This suggests that the artificial channels function as sediment traps that can assist in preventing delta drowning due to sea-level rise. However,
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Indonesia planted over 3.5 million trees in the delta, covering an area of 646 ha. Total E&P invest in mangrove rehabilitation for various reasons, for instance to reduce
757:. Mangrove restoration has been proposed as a strategy to halt coastal erosion in the district of Demak. Solely replanting mangroves in the area was not possible, because the 153:, sea-level rise and peak river discharges, rigid flood defences may not be the optimal choice. Sedimentation enhancing strategies are more flexible and adaptable to changing 2047: 457:
also formally implemented TRM in multiple beels, which has been less successful due to the top-down implementation causing conflict between locals and formal institutions.
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Winterwerp, J. C.; Albers, T.; Anthony, E. J.; Friess, D. A.; Mancheño, A. G.; Moseley, K.; Muhari, A.; Naipal, S.; Noordermeer, J.; Oost, A.; Saengsupavanich, C. (2020).
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of the delta is not destroyed: every year, hundreds of hectares of cleared areas in the Mahakam delta are naturally recolonised by mangrove vegetation, causing accretion.
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and navigability of the channels. TRM has been implemented in five beels in the south of the Ganges-Brahmaputra-Meghna delta. The implementation of TRM by local people (
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Ibáñez, C.; Sharpe, P. J.; Day, J. W.; Day, J. N.; Prat, N. (2010). "Vertical Accretion and Relative Sea Level Rise in the Ebro Delta Wetlands (Catalonia, Spain)".
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One major obstacle to the implementation of sedimentation enhancing strategies is that they require space which may not be available, as deltas are among the most
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Bunting, S. W.; Bosma, R. H.; van Zwieten, P. A.; Sidik, A. S. (2013). "Bioeconomic modelling of shrimp aquaculture strategies for the Mahakam Delta, Indonesia".
3755:"Stakeholders' assessment of dike-protected and flood-based alternatives from a sustainable livelihood perspective in An Giang Province, Mekong Delta, Vietnam" 265: 2223:
Auerbach, L. W.; Goodbred Jr, S. L.; Mondal, D. R.; Wilson, C. A.; Ahmed, K. R.; Roy, K.; Steckler, M. S.; Small, C.; Gilligan, J. M.; Ackerly, B. A. (2015).
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in the lower Danube river reduced due to the construction of dams upstream. Interestingly, sediment deposition on the delta plain did not decrease after
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rate was 5.1 mm per year. In February 2020, the Noordwaard polder flooded for the first time due to high water levels in the rivers caused by a
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reduce the impact of incoming waves and capture sediment resulting in land elevation gain. Mangroves also play a role in mitigating the effects of
3673:"Not all breaks are equal: Variable hydrologic and geomorphic responses to intentional levee breaches along the lower Cosumnes River, California" 938:. However, wetlands in the Sacramento-San Joaquin delta have been drained for agricultural purposes, so the soil is now situated at or above the 2473: 807:
structures captured considerable amounts of sediment raising bed levels behind the structures. Some locations were naturally recolonised by
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due to upstream dam construction, the embankments caused an increase in riverbed sedimentation and congestion, hampering water drainage and
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flow velocities reduce and sediments deposit. During low tide, water flow velocity increases again as the water is pulled back through the
3411:"The changes of mangrove ecosystem in Mahakam Delta, Indonesia: A complex socio-environmental pattern of linkages in resource utilisation" 898:. The results of this restoration effort were that the Biesbosch area trapped approximately 46% of the incoming sediment, and the average 65:
enhancing strategies aim to increase sedimentation on the delta plain primarily by restoring the exchange of water and sediments between
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Pearl river delta, one of the largest urban areas in the world, where city infrastructure leaves little room for sedimentation processes
1978: 2162:"Bringing in the tides. From closing down to opening up delta polders via Tidal River Management in the southwest delta of Bangladesh" 2161: 3949: 1773:"Projections of declining fluvial sediment delivery to major deltas worldwide in response to climate change and anthropogenic stress" 3230:"Challenges of a transition to a sustainably managed shrimp culture agro-ecosystem in the Mahakam delta, East Kalimantan, Indonesia" 3856:
Sadat-Noori, M.; Rankin, C.; Rayner, D.; Heimhuber, V.; Gaston, T.; Drummond, C.; Chalmers, A.; Khojasteh, D.; Glamore, W. (2021).
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Silt concentration in the Ems-Dollard estuary increased from 40 mg/L in 1954 to 80–100 mg/L currently, significantly reducing the
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further land inwards. The area between the embankments would be reconnected to the Western Scheldt and should therefore gradually
305:. The construction of this channel increased the flow of water and sediment into the Bay of Cartagena. Sediment deposition in the 1868:"Sediment Deposition at the Caernarvon Crevasse during the Great Mississippi Flood of 1927: Implications for Coastal Restoration" 1689:
van Wesenbeeck, B. K.; Mulder, J. P. M.; Marchand, M.; Reed, D. J.; de Vries, M. B.; de Vriend, H. J.; Herman, P. M. J. (2014).
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to floodplains is intentionally breaching or significantly lowering levees to allow flooding to occur during peak discharges.
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and the ability of seeds to access degraded areas. In areas where seeds cannot easily migrate, replanting is the best option.
1747: 1429: 1064:, and because pipelines installed to transport oil and gas caused mangrove clearing. Additionally, between 2002 and 2007 the 815:. Elsewhere, they disappeared again after a few years because the bed level dropped below sea level again due to subsidence. 2272:"Rethinking sediments, tidal rivers and delta livelihoods: tidal river management as a strategic innovation in Bangladesh" 946:
and decompose quickly resulting in a loss of elevation. Many former wetlands in the area are now more than 6 meters below
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that disconnect the land from the water. Additionally, channels in the area have been widened and deepened over time for
3387:. SPE International Conference on Health, Safety, and Environment: March 17–19, 2014. Long Beach, California, USA. SPE. 1311:
was prevented from entering the wetlands. Although tidal flows were already reintroduced in the early 2000s, the site's
404:, have been constructed in Bangladesh since the 1960s. The embankments provide flood protection and initially increased 1367: 509:. However, over time, the land behind dikes started to sink which is highly problematic in the face of sea-level rise. 454: 2837: 3381:
Dutrieux, E.; Proisy, C.; Fromard, F.; Walcker, R.; Ilman, M.; Pawlowski, F.; Ferdiansyah, H.; Ponthieux, O. (2014).
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are rapidly losing elevation. Under natural conditions, wetlands in the delta were frequently flooded. The soil was
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and slows down as it passes from the relatively narrow river into the wider receiving area, causing sediments to be
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Dubbele dijken als robuuste waterkerende landschappen voor een welvarende Zuidwestelijke Delta. NIOZ Report 2021-01
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and therefore need sediment accumulation to maintain their elevation, particularly considering increasing rates of
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Thanh, V. Q.; Roelvink, D.; van der Wegen, M. V. D.; Reyns, J.; Kernkamp, H.; Van Vinh, G.; Linh, V. T. P. (202).
1909:"Depositional dynamics in a river diversion receiving basin: The case of the West Bay Mississippi River Diversion" 693:
Another way in which silt sedimentation is stimulated in the Ems-Dollard estuary is by the construction of double
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Paola, C.; Twilley, R. R.; Edmonds, D. A.; Kim, W.; Mohrig, D.; Parker, G.; Viparelli, E.; Voller, V. R. (2011).
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Erwin, K. L. (2009). "Wetlands and global climate change: the role of wetland restoration in a changing world".
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along the Danube coast has increased since the construction of channels. Similar results have been found in the
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strategy is restoring saltmarsh vegetation, vegetation captures sediment and can therefore enhance natural
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Mangrove Restoration in the Vicinity of Oil and Gas Facilities: Lessons Learned from a Large Scale Project
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Tonneijck, F.; Winterwerp, H.; van Wesenbeeck, B.; Bosma, R.; Debrot, D.; Noor, Y. R.; Wilms, T. (2015).
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The first land reclamation efforts in the southwestern Rhine-Meuse delta in the Netherlands date back to
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Nicholls, R. J.; Hutton, C. W.; Adger, W. N.; Hanson, S. E.; Rahman, Md. M.; Salehin, M., eds. (2018).
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of the year, the lower embankments provide sufficient protection for farmers to cultivate their lands.
923: 874: 417: 224:, are engineered structures along a river that direct water and sediments from the river into adjacent 3149:"Subsidence reversal in a re-established wetland in the Sacramento-San Joaquin Delta, California, USA" 2643: 1105:
on the delta plain can be an effective strategy to increase the input of freshwater and sediments to
652: 433: 421: 2077:"Flood protection as a key-component of the environmental restoration of Canal del Dique, Colombia" 221: 3313:
Carugati, L.; Gatto, B.; Rastelli, E.; Martire, M. L.; Coral, C.; Greco, S.; Danovaro, R. (2018).
2550: 1044:. From the 1990s onwards, the mangrove forests in the delta have been under intense pressure from 3754: 2320: 1908: 1829: 1690: 1621:
Temmerman, S.; Meire, P.; Bouma, T. J.; Herman, P. M. J.; Ysebaert, T.; De Vriend, H. J. (2013).
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Some sedimentation enhancing strategies focus specifically on creating low energy conditions in
3493:"A socio economic and institutional analysis of mahakam delta stakeholders : Final report" 2623:
Building with Nature Indonesia: Securing eroding delta coastlines (Design and Engineering Plan)
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lost approximately 25% of its land. Currently, land is disappearing at a rate of almost 11,000
182: 142: 1772: 2529: 1247: 1145: 1133: 789: 269: 106: 2020: 1830:"Mississippi river diversions, coastal wetland restoration/creation and an economy of scale" 966: 550:. Sediment deposition occurs when the water flow slows down, as the water no longer has the 3807: 3766: 3684: 3576: 3449: 3326: 2962: 2907: 2677: 2236: 2225:"Flood risk of natural and embanked landscapes on the Ganges–Brahmaputra tidal delta plain" 1920: 1784: 1702: 1634: 1570: 1522: 1511:"Maintenance of large deltas through channelization: Nature vs. humans in the Danube delta" 1382: 1001: 980: 963:. Mean rates of land surface elevation gain in the study wetlands were 4 cm per year. 931: 233: 157:, which makes them more likely to perform satisfactorily under different future scenarios. 69:
and low-lying delta plains. Sedimentation enhancing strategies can be applied to encourage
1330:, resulting in a deeper tidal inundation similar to that experienced with sea-level rise. 8: 3097:"Understanding Tidal Marsh Sedimentation in the Sacramento-San Joaquin Delta, California" 2075:
Sokolewicz, M.; Wijma, E.; Nomden, H.; Driessen, T.; van Agten, Q.; Carvajal, F. (2016).
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Bourgeois, Robin; Gouyon, Anne; Jésus, Franck; Levang, Patrice; Langeraar, Wine (2002).
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Dunn, F. E.; Darby, S. E.; Nicholls, R. J.; Cohen, S.; Zarfl, C.; Fekete, B. M. (2019).
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time and sediment conditions were no longer optimal. Instead, a strategy similar to the
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Ecosystem Services for Well-Being in Deltas: Integrated Assessment for Policy Analysis
3895: 3877: 3837: 3825: 3645: 3602: 3594: 3534: 3477: 3465: 3422: 3360: 3342: 3267: 3249: 3130: 3118: 3021: 2980: 2935: 2923: 2838:"Establishing a sediment budget in the 'Room for the River' area 'Kleine Noordwaard'" 2810: 2779: 2767: 2730: 2401: 2389: 2345: 2305: 2293: 2252: 2183: 2098: 1959: 1947: 1889: 1814: 1802: 1757: 1743: 1658: 1650: 1594: 1586: 1486: 1474: 1454: 1439: 1425: 1411: 1352: 997: 989: 134: 27:
Environmental management projects aiming to restore land-building processes in deltas
3914:"Coastal wetlands can be saved from sea level rise by recreating past tidal regimes" 3858:"Coastal wetlands can be saved from sea level rise by recreating past tidal regimes" 3795: 3706: 3657: 3546: 3410: 3174: 3033: 2950: 2689: 2354: 236:, which raises the elevation of the land and may lead to the formation of new land. 3885: 3869: 3815: 3774: 3692: 3637: 3614: 3584: 3526: 3457: 3388: 3350: 3334: 3257: 3241: 3207: 3160: 3108: 3011: 2970: 2915: 2878: 2870: 2822: 2802: 2757: 2716: 2685: 2427: 2381: 2340: 2332: 2283: 2244: 2173: 2137: 2088: 1996: 1928: 1879: 1841: 1792: 1733: 1710: 1670: 1642: 1578: 1530: 1466: 1417: 1372: 750: 746: 702: 365: 178: 98: 3315:"Impact of mangrove forests degradation on biodiversity and ecosystem functioning" 3165: 2874: 2721: 2704: 2593: 2336: 2321:"Sustainability impacts of tidal river management: Towards a conceptual framework" 2093: 558:
and so they sink. Examples of strategies that stimulate low energy conditions are
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van der Deijl, E. C.; Verschelling, E.; van der Perk, M.; Middelkoop, H. (2015).
2209: 2141: 1534: 1272: 1251: 1144:. The construction of the channel network in the Danube delta almost tripled the 1013: 734: 513: 482: 298: 290: 3779: 3753:
Tran, D. D.; van Halsema, G.; Hellegers, P. J.; Ludwig, F.; Seijger, C. (2018).
3382: 3289:"New guidelines aim to support mangrove restoration in the Western Indian Ocean" 2048:"Project Canal del Dique: bringing Dutch water management expertise to Colombia" 1948:"Sediment management for sustainable ecosystem restoration of coastal Louisiana" 185:, but delta inhabitants may not be willing to change land uses. Additionally, a 3873: 3338: 2835: 2705:"Managing erosion of mangrove-mud coasts with permeable dams – lessons learned" 1932: 1797: 1714: 1276: 1222: 1178: 1049: 1026: 1009: 890:. This project aimed to allow flooding during peak discharges of the Rhine and 812: 656: 602: 460: 333: 279: 274: 195: 150: 74: 58: 3641: 3530: 3245: 3016: 2999: 2806: 2575: 2224: 1738: 1559:"Natural Processes in Delta Restoration: Application to the Mississippi Delta" 1470: 1421: 505:, and the strengthening and raising of dikes in the area, initially increased 3938: 3881: 3829: 3820: 3649: 3598: 3538: 3469: 3426: 3346: 3253: 3122: 3025: 2984: 2975: 2927: 2814: 2771: 2762: 2745: 2449:"Het geheim van de wisselpolder: een alternatief voor het ophogen van dijken" 2393: 2297: 2256: 2187: 2102: 1963: 1893: 1806: 1691:"Damming deltas: A practice of the past? Towards nature-based flood defenses" 1654: 1622: 1590: 1478: 1340: 1158: 1037: 1022: 1016:
events. For all these reasons, mangrove forests are one of the most powerful
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Seijger, C.; Datta, D. K.; Douven, W.; van Halsema, G.; Khan, M. F. (2019).
3899: 3606: 3364: 3271: 3148: 2385: 1662: 1598: 1255: 1231: 1190: 1121: 1048:: 60-75% of mangrove forests in the Mahakam delta have been converted into 718: 409: 373: 368:
processes. During the time the polder is flooded, the area can be used for
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further downstream. Embankments also exacerbate land elevation loss due to
3000:"Pathways of Water and Sediment in the Biesbosch Freshwater Tidal Wetland" 1728:
Nicholls, R. J.; Adger, W. N.; Hutton, C. W.; Hanson, S. E., eds. (2020).
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There is also evidence of sedimentation in restored mangroves in Vietnam.
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Bosma, R.; Sidik, A. S.; van Zwieten, P.; Aditya, A.; Visser, L. (2012).
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into the river system, which deposit and accrete within the polder when
1327: 1324: 1316: 1207: 1203: 1166: 1106: 951: 845: 754: 672: 613: 587: 521: 442: 413: 377: 54: 3392: 2883: 2620: 3697: 2897: 1884: 1867: 1312: 1296: 1284: 1041: 960: 947: 862: 841: 797: 726: 697:. The area in between the dikes is filled with water by a controlled 640: 352:. Tidal water can bring in large concentrations of sediment from the 349: 261: 130: 122: 70: 45:
projects aiming to restore and facilitate land-building processes in
3589: 3492: 2474:"Boeren zitten niet te wachten op wisselpolders: 'Een onzalig plan'" 1979:"Mississippi River diversions could save Louisiana's drowning coast" 424:
of the region. Tidal river management (TRM) emerged as a bottom-up,
372:. We distinguish between tidal river management, implemented in the 160: 3211: 2997: 2948: 2448: 2426:, Royal Netherlands Institute for Sea Research (NIOZ), p. 99, 1320: 1304: 1239: 1053: 985: 808: 738: 621: 605:. However, the silt cannot settle on the delta plains due to flood 581: 555: 446: 318: 302: 114: 53:
availability and deposition are important because deltas naturally
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Startbeslissing Pilot Buitendijkse Slibsedimentatie Eems-Dollard
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Al Masud, M. M.; Moni, N. N.; Azadi, H.; Van Passel, S. (2018).
2159: 1688: 1210:, and the support of healthy wetland ecosystems. Levees prevent 913: 3726: 3562: 2998:
van der Deijl, E. C.; van der Perk, M.; Middelkoop, H. (2019).
2949:
van der Deijl, E. C.; van der Perk, M.; Middelkoop, H. (2018).
2622: 2222: 2208:
de Mesel, I. G.; Ysebaert, T.; Kamermans, P. (September 2013).
2160:
van Staveren, M. F.; Warner, J. F.; Shah Alam Khan, M. (2017).
1215: 1141: 1114: 894:
rivers, with the restored tidal and flood dynamics encouraging
781: 769: 766: 683: 680: 663: 551: 401: 337: 239: 229: 3793: 3752: 3563:
Giosan, L.; Syvitski, J.; Constantinescu, S.; Day, J. (2014).
3071:"Sacramento-San Joaquin Delta: The Sinking heart of the state" 1623:"Ecosystem-based coastal defence in the face of global change" 391: 328: 209: 181:
to make space for sedimentation enhancing strategies requires
2702: 2269: 2074: 1508: 1300: 1230:
Plans are being made to lower and breach levees in the upper
1211: 1195: 943: 903: 891: 887: 777: 730: 694: 676: 648: 644: 609: 478: 341: 314: 306: 294: 118: 110: 102: 90: 66: 3439: 3380: 3312: 1509:
Giosan, L.; Constantinescu, S.; Filip, F.; Deng, B. (2013).
1132:
in the Danube delta were negatively impacted by the limited
541: 360:
reduce. Tidal flooding of polders is an alternative form of
3515: 3227: 2368:
Gain, A. K.; Ashik-Ur-Rahman, M.; Benson, D. (2019-09-25).
2318: 1866:
Day, J. W.; Cable, J. E.; Lane, R. R.; Kemp, G. P. (2016).
1308: 1243: 1170: 1137: 1110: 1030: 1005: 956: 793: 785: 758: 722: 706: 617: 599: 567: 563: 530: 397: 345: 310: 257: 3490: 2666: 247: 2367: 2207: 1727: 1620: 1409: 1362: 1153: 858: 709:
which is used to strengthen and raise dikes in the area.
625: 494: 353: 190: 364:
that makes use of natural tidal dynamics and associated
3147:
Miller, R.; Fram, M. S.; Fuji, R.; Wheeler; G. (2008).
2419: 1060:
and ecosystem degradation which is seen as a threat to
705:
water conditions. The settled silt can be used to make
701:, where silt can settle more easily due to low flow or 2548: 1770: 1556: 266:
Louisiana Coastal Protection and Restoration Authority
34:
Gediz delta, showing a typical natural delta landscape
3146: 2126: 1946:
Khalil, S. M.; Freeman, A. M.; Raynie, R. C. (2018).
1907:
Kolker, A. S.; Miner, M. D.; Weathers, H. D. (2012).
1128:). The main reason for digging the channels was that 1036:
Mangrove restoration efforts have taken place in the
844:
temporarily or permanently flooded by water. Wetland
2212:(Report). IMARES Wageningen UR. p. 48. C072/13. 934:
accumulates faster than it decomposes, resulting in
616:, increasing the strength of the tidal inland flood 2210:
Klimaatbestendige dijken: het concept wisselpolders
1945: 1906: 1095: 1077:. Mangroves can recover rapidly in the area if the 468: 105:result in a loss of water storage area during peak 3627: 3068: 2549:van Maren, B.; Pierik, H. J.; Schmidt, C. (2020). 1173:deliver sediments to the delta plain resulting in 1148:toward the delta plain. However, at the same time 788:and other brushwood. These structures let sea and 1029:degraded areas, depending on the availability of 161:Limitations of sedimentation enhancing strategies 3936: 2420:van Belzen, J.; Rienstra, G.; Bouma, T. (2021), 1865: 873:Depolderisation has occurred in a polder in the 796:will colonise the area naturally when the shore 582:Ems-Dollard estuary, the Netherlands and Germany 477:. Since then, the area has experienced multiple 428:strategy to reduce waterlogging and solve river 3046: 3078:Land Subsidence in the United States. Circular 3049:"Ondergelopen Noordwaard: 'Dat is best uniek'" 1177:rates that may be fast enough to keep up with 1120:Shallow, narrow channels have been dug in the 432:problems in Bangladesh. TRM is also seen as a 206:of the country in which the delta is located. 81:Benefits of sedimentation enhancing strategies 914:Sacramento-San Joaquin delta, California, USA 868: 3670: 3565:"Climate change: Protect the world's deltas" 3196: 2025:Coastal Protection And Restoration Authority 2001:Coastal Protection And Restoration Authority 1206:, important for land elevation maintenance, 772:in the Ems-Dollard estuary was implemented. 285: 145:. Particularly considering uncertain future 3724: 3153:San Francisco Estuary and Watershed Science 3069:Ingebritsen, S. E.; Ikehara, M. E. (1999). 1827: 1732:. Cham: Springer International Publishing. 1416:. Cham: Springer International Publishing. 392:Ganges-Brahmaputra-Meghna delta, Bangladesh 380:, and exchange polders, implemented in the 329:Tidal flooding of previously enclosed areas 210:Types of sedimentation enhancing strategies 865:and land-building capacities of wetlands. 647:that can penetrate the water and inhibits 643:the water is, which reduces the amount of 3889: 3819: 3778: 3696: 3588: 3354: 3261: 3164: 3112: 3015: 2974: 2882: 2761: 2720: 2535:(Report). Rijkswaterstaat. 31 March 2019. 2344: 2287: 2177: 2092: 1883: 1796: 1737: 1262: 712: 542:Creation of low energy aquatic conditions 260:per year. To combat these rapid rates of 198:in the water, land-use in the delta, the 1452: 1221: 1086: 965: 817: 690:, which may eventually create new land. 639:. The more silt water contains the more 572: 459: 238: 164: 29: 2551:"De verslibbing van het Eems-estuarium" 1976: 974: 408:. However, together with a decrease in 248:Mississippi River delta, Louisiana, USA 109:, which may cause an increased risk of 14: 3937: 3851: 3849: 3847: 3748: 3746: 3744: 3720: 3718: 3716: 3558: 3556: 3442:Aquaculture Economics & Management 3404: 3402: 3376: 3374: 3283: 3281: 3223: 3221: 3192: 3190: 3188: 3186: 3184: 3142: 3140: 2743: 2638: 2636: 2634: 2632: 2616: 2614: 2544: 2542: 2524: 2522: 2520: 2518: 2446: 2442: 2440: 2415: 2413: 2411: 826: 445:sediment to erode. This increases the 3727:"Breaching dykes in the Mekong Delta" 3671:Nichols, A. L.; Viers, J. H. (2017). 3408: 2792: 2203: 2201: 2199: 2197: 2155: 2153: 2151: 2122: 2120: 2118: 2116: 2114: 2112: 2070: 2068: 2042: 2040: 1861: 1859: 1857: 1855: 1504: 1502: 1500: 1498: 1496: 1307:in the area during the 20th century, 489:which led to the construction of the 348:to flow into an embanked area during 121:risks while simultaneously restoring 3094: 1913:Estuarine, Coastal and Shelf Science 1828:Turner, R. E.; Boyer, M. E. (1997). 1695:Estuarine, Coastal and Shelf Science 1684: 1682: 1680: 1616: 1614: 1612: 1610: 1608: 1583:10.1146/annurev-marine-120709-142856 1552: 1550: 1548: 1546: 1544: 1405: 1403: 776:barriers were built along the Demak 3844: 3800:Hydrology and Earth System Sciences 3741: 3713: 3553: 3399: 3371: 3278: 3218: 3181: 3137: 2629: 2611: 2539: 2515: 2499:"Sediment Transport and Deposition" 2437: 2408: 1184: 214: 24: 2750:Frontiers in Environmental Science 2194: 2148: 2130:Environmental Science & Policy 2109: 2065: 2037: 1852: 1764: 1493: 1368:Environmental impact of reservoirs 1279:has been implemented in a coastal 717:The Wulan delta is located in the 522:het verdronken land van Saefthinge 455:Bangladesh Water Development Board 441:toward the sea, causing deposited 202:, stakeholder engagement, and the 187:decline in river sediment delivery 39:Sedimentation enhancing strategies 25: 18:Sedimentation enhancing strategies 3961: 2503:Environmental Measurement Systems 1677: 1605: 1541: 1400: 590:is located on the border between 416:. Another issue in Bangladesh is 3950:Environmental management schemes 2644:"Building with Nature Indonesia" 1254:of floodplains, accumulation of 1096:Construction of channel networks 749:for coastal infrastructure, and 469:Western Scheldt, the Netherlands 340:entails (temporarily) breaching 3918:UNSW: Water Research Laboratory 3906: 3787: 3677:River Research and Applications 3664: 3621: 3519:Wetlands Ecology and Management 3509: 3484: 3433: 3306: 3234:Wetlands Ecology and Management 3088: 3062: 3040: 2991: 2942: 2891: 2854: 2829: 2795:Wetlands Ecology and Management 2786: 2737: 2696: 2690:10.1016/j.ocecoaman.2017.10.017 2660: 2586: 2568: 2491: 2466: 2361: 2312: 2263: 2216: 2013: 1989: 1970: 1939: 1900: 1563:Annual Review of Marine Science 848:serves important functions: it 420:, which negatively impacts the 374:Ganges-Brahmaputra-Meghna delta 87:flood protection infrastructure 3047:Rijkswaterstaat (2020-02-12). 2670:Ocean & Coastal Management 1821: 1777:Environmental Research Letters 1721: 1446: 1271:solution to preserve existing 886:, a distributary of the lower 780:using local materials such as 679:. This can be done by placing 85:When compared to conventional 13: 1: 3759:Agricultural Water Management 3166:10.15447/sfews.2008v6iss3art1 2875:10.1016/j.ecoleng.2010.11.027 2722:10.1016/j.ecoleng.2020.106078 2337:10.1016/j.ecolind.2017.10.022 1846:10.1016/S0925-8574(97)00258-9 1393: 1299:. Due to the construction of 1289:Hunter Wetlands National Park 930:, and under these conditions 662:, water and light to produce 301:with the Bay of Cartagena in 125:, enhancing production (e.g. 3462:10.1080/13657305.2013.747226 3114:10.2112/1551-5036-36.sp1.605 2920:10.1080/02508060.2014.957510 2574:Provincie Groningen (2018). 2142:10.1016/j.envsci.2017.05.020 1535:10.1016/j.ancene.2013.09.001 920:Sacramento-San Joaquin delta 7: 3780:10.1016/j.agwat.2018.04.039 3101:Journal of Coastal Research 2598:Programma Eems-Dollard 2050 2577:Programma Eems-Dollard 2050 2094:10.1051/e3sconf/20160712005 1346: 10: 3966: 3874:10.1038/s41598-021-80977-3 3339:10.1038/s41598-018-31683-0 2021:"2017 Coastal Master Plan" 1997:"2012 Coastal Master Plan" 1933:10.1016/j.ecss.2012.04.005 1730:Deltas in the Anthropocene 1715:10.1016/j.ecss.2013.12.031 1319:favoured the expansion of 1188: 978: 869:Biesbosch, the Netherlands 830: 729:. Northern Java's deltaic 562:made of materials such as 483:extreme weather conditions 252:Over the 20th century the 3642:10.1007/s13157-010-0092-0 3531:10.1007/s11273-016-9481-3 3246:10.1007/s11273-011-9244-0 3017:10.1007/s13157-018-1071-0 2807:10.1007/s11273-008-9119-1 2447:Buiter, R. (2021-01-25). 2346:10067/1490390151162165141 2052:www.royalhaskoningdhv.com 1739:10.1007/978-3-030-23517-8 1471:10.1007/s11625-008-0043-3 1422:10.1007/978-3-319-71093-8 1169:: channels dug there for 822:Example wetland landscape 560:semi-permeable structures 520:. This is illustrated by 434:climate change adaptation 422:agricultural productivity 286:Canal del Dique, Colombia 183:stakeholder participation 3821:10.5194/hess-24-189-2020 3725:van Halsema, G. (2019). 2976:10.5194/esurf-6-187-2018 2763:10.3389/fenvs.2019.00049 1798:10.1088/1748-9326/ab304e 1453:Syvitski, J. P. (2008). 1252:flood retention capacity 988:provide a wide range of 222:hydrological engineering 155:environmental conditions 43:environmental management 3415:Borneo Research Journal 3200:Sustainable Development 1983:Engineering News Record 1977:Russell, P. R. (2018). 1358:Coastal sediment supply 1202:and sediment supply to 406:agricultural production 3293:UN Environment Program 2955:Earth Surface Dynamics 2863:Ecological Engineering 2709:Ecological Engineering 2594:"Project Dubbele Dijk" 2480:(in Dutch). 2021-01-25 2386:10.12854/erde-2019-434 2081:E3S Web of Conferences 1834:Ecological Engineering 1459:Sustainability Science 1263:Tidal replicate method 1227: 1092: 1066:Department of Forestry 1018:nature-based solutions 971: 861:, restore the natural 823: 800:accretes high enough. 751:groundwater extraction 713:Wulan delta, Indonesia 578: 493:. The construction of 487:flood disaster of 1953 465: 323:ecological restoration 244: 196:sediment concentration 177:regions in the world. 170: 35: 3409:Sidik, A. S. (2010). 2432:10.25850/nioz/7b.b.kb 2325:Ecological Indicators 2229:Nature Climate Change 1238:near the border with 1225: 1198:is a vital source of 1090: 1070:Indonesian government 969: 896:ecosystem restoration 821: 576: 463: 242: 168: 129:) and cultural (e.g. 33: 3095:Reed, D. J. (2002). 2249:10.1038/nclimate2472 1383:Wetland conservation 1250:downstream, reduced 1079:physical environment 1002:carbon sequestration 981:Mangrove restoration 975:Mangrove restoration 813:sedimentation basins 624:current back to the 503:storm surge barriers 485:, amongst which the 3812:2020HESS...24..189T 3771:2018AgWM..206..187T 3689:2017RivRA..33.1143N 3581:2014Natur.516...31G 3454:2013AqEM...17...51B 3331:2018NatSR...813298C 2967:2018ESuD....6..187C 2912:2014WatIn..39..686V 2900:Water International 2744:Möller, I. (2019). 2682:2017OCM...150....3T 2625:(Report). Ecoshape. 2289:10.2166/wp.2018.212 2241:2015NatCC...5..153A 2179:10.2166/wp.2016.029 1925:2012ECSS..106....1K 1789:2019ERL....14h4034D 1707:2014ECSS..140....1V 1647:10.1038/nature12859 1639:2013Natur.504...79T 1575:2011ARMS....3...67P 1527:2013Anthr...1...35G 1134:freshwater delivery 833:Wetland restoration 827:Wetland restoration 733:suffer from severe 721:district, northern 588:Ems-Dollard estuary 577:Ems-Dollard estuary 204:financial resources 143:boundary conditions 3945:Sedimentary basins 3862:Scientific Reports 3319:Scientific Reports 1388:Intertidal wetland 1378:Stream restoration 1228: 1208:soil fertilization 1093: 990:ecosystem services 972: 879:Room for the River 824: 669:primary production 620:and weakening the 579: 556:sediment particles 466: 396:Polders, known as 295:navigation channel 293:is a 400-year-old 245: 171: 135:ecosystem services 103:levee construction 36: 3497:agritrop.cirad.fr 3393:10.2118/168449-MS 1749:978-3-030-23516-1 1431:978-3-319-71092-1 1353:Beach nourishment 1150:sediment delivery 961:surface elevation 936:soil accumulation 653:primary producers 554:to carry heavier 447:drainage capacity 382:Rhine-Meuse delta 254:Mississippi delta 243:Mississippi delta 175:densely populated 16:(Redirected from 3957: 3929: 3928: 3926: 3925: 3910: 3904: 3903: 3893: 3853: 3842: 3841: 3823: 3791: 3785: 3784: 3782: 3750: 3739: 3738: 3731:Wageningen World 3722: 3711: 3710: 3700: 3698:10.1002/rra.3159 3683:(7): 1143–1155. 3668: 3662: 3661: 3625: 3619: 3618: 3592: 3560: 3551: 3550: 3513: 3507: 3506: 3504: 3503: 3488: 3482: 3481: 3437: 3431: 3430: 3406: 3397: 3396: 3378: 3369: 3368: 3358: 3310: 3304: 3303: 3301: 3300: 3285: 3276: 3275: 3265: 3225: 3216: 3215: 3194: 3179: 3178: 3168: 3144: 3135: 3134: 3116: 3092: 3086: 3085: 3075: 3066: 3060: 3059: 3057: 3056: 3044: 3038: 3037: 3019: 2995: 2989: 2988: 2978: 2946: 2940: 2939: 2895: 2889: 2888: 2886: 2858: 2852: 2851: 2849: 2847: 2842: 2833: 2827: 2826: 2790: 2784: 2783: 2765: 2741: 2735: 2734: 2724: 2700: 2694: 2693: 2664: 2658: 2657: 2655: 2654: 2640: 2627: 2626: 2618: 2609: 2608: 2606: 2605: 2590: 2584: 2578: 2572: 2566: 2565: 2555: 2546: 2537: 2536: 2534: 2526: 2513: 2512: 2510: 2509: 2495: 2489: 2488: 2486: 2485: 2470: 2464: 2463: 2461: 2460: 2444: 2435: 2434: 2417: 2406: 2405: 2365: 2359: 2358: 2348: 2316: 2310: 2309: 2291: 2267: 2261: 2260: 2220: 2214: 2213: 2205: 2192: 2191: 2181: 2157: 2146: 2145: 2124: 2107: 2106: 2096: 2072: 2063: 2062: 2060: 2059: 2044: 2035: 2034: 2032: 2031: 2017: 2011: 2010: 2008: 2007: 1993: 1987: 1986: 1974: 1968: 1967: 1943: 1937: 1936: 1904: 1898: 1897: 1887: 1885:10.3390/w8020038 1863: 1850: 1849: 1825: 1819: 1818: 1800: 1768: 1762: 1761: 1741: 1725: 1719: 1718: 1686: 1675: 1674: 1618: 1603: 1602: 1554: 1539: 1538: 1506: 1491: 1490: 1455:"Deltas at risk" 1450: 1444: 1443: 1407: 1373:Soft engineering 1285:Kooragang Island 1185:Breaching levees 1171:rice cultivation 918:Wetlands in the 877:under the Dutch 838:Coastal wetlands 747:land reclamation 215:River diversions 191:dam construction 189:due to upstream 107:river discharges 99:land reclamation 21: 3965: 3964: 3960: 3959: 3958: 3956: 3955: 3954: 3935: 3934: 3933: 3932: 3923: 3921: 3912: 3911: 3907: 3854: 3845: 3792: 3788: 3751: 3742: 3723: 3714: 3669: 3665: 3626: 3622: 3590:10.1038/516031a 3575:(7529): 31–33. 3561: 3554: 3514: 3510: 3501: 3499: 3489: 3485: 3438: 3434: 3407: 3400: 3379: 3372: 3311: 3307: 3298: 3296: 3287: 3286: 3279: 3226: 3219: 3195: 3182: 3145: 3138: 3093: 3089: 3073: 3067: 3063: 3054: 3052: 3045: 3041: 2996: 2992: 2947: 2943: 2896: 2892: 2859: 2855: 2845: 2843: 2840: 2834: 2830: 2791: 2787: 2742: 2738: 2701: 2697: 2665: 2661: 2652: 2650: 2642: 2641: 2630: 2619: 2612: 2603: 2601: 2592: 2591: 2587: 2576: 2573: 2569: 2553: 2547: 2540: 2532: 2528: 2527: 2516: 2507: 2505: 2497: 2496: 2492: 2483: 2481: 2472: 2471: 2467: 2458: 2456: 2445: 2438: 2418: 2409: 2366: 2362: 2317: 2313: 2268: 2264: 2221: 2217: 2206: 2195: 2158: 2149: 2125: 2110: 2073: 2066: 2057: 2055: 2046: 2045: 2038: 2029: 2027: 2019: 2018: 2014: 2005: 2003: 1995: 1994: 1990: 1975: 1971: 1952:Shore and Beach 1944: 1940: 1905: 1901: 1864: 1853: 1826: 1822: 1769: 1765: 1750: 1726: 1722: 1687: 1678: 1633:(7478): 79–83. 1619: 1606: 1555: 1542: 1507: 1494: 1451: 1447: 1432: 1408: 1401: 1396: 1349: 1269:eco-engineering 1265: 1193: 1187: 1136:to the deltaic 1098: 1014:extreme weather 983: 977: 916: 871: 835: 829: 803:Initially, the 735:coastal erosion 715: 660: 598:and has a high 592:the Netherlands 584: 570:and brushwood. 544: 514:Western Scheldt 475:the Middle Ages 471: 464:Western Scheldt 394: 386:the Netherlands 362:coastal defence 358:flow velocities 331: 297:connecting the 291:Canal del Dique 288: 282:to build land. 250: 217: 212: 179:Land-use change 163: 83: 28: 23: 22: 15: 12: 11: 5: 3963: 3953: 3952: 3947: 3931: 3930: 3905: 3843: 3806:(1): 189–212. 3786: 3740: 3712: 3663: 3636:(5): 979–988. 3620: 3552: 3525:(2): 245–261. 3508: 3483: 3432: 3398: 3370: 3305: 3277: 3217: 3212:10.1002/sd.477 3206:(5): 260–270. 3180: 3136: 3087: 3061: 3039: 3010:(1): 197–215. 2990: 2961:(1): 187–201. 2941: 2906:(5): 686–700. 2890: 2869:(2): 113–122. 2853: 2828: 2785: 2736: 2695: 2659: 2628: 2610: 2585: 2567: 2538: 2514: 2490: 2478:Omroep Zeeland 2465: 2436: 2407: 2360: 2311: 2282:(1): 108–126. 2262: 2235:(2): 153–157. 2215: 2193: 2172:(1): 147–164. 2147: 2108: 2064: 2036: 2012: 1988: 1969: 1938: 1899: 1851: 1840:(2): 117–128. 1820: 1763: 1748: 1720: 1676: 1604: 1540: 1492: 1445: 1430: 1398: 1397: 1395: 1392: 1391: 1390: 1385: 1380: 1375: 1370: 1365: 1360: 1355: 1348: 1345: 1277:sea-level rise 1275:wetlands from 1264: 1261: 1189:Main article: 1186: 1183: 1179:sea-level rise 1175:land accretion 1097: 1094: 1062:gas operations 1010:climate change 979:Main article: 976: 973: 959:and increases 948:mean sea-level 932:organic carbon 915: 912: 870: 867: 831:Main article: 828: 825: 774:Semi-permeable 714: 711: 658: 583: 580: 543: 540: 470: 467: 393: 390: 334:Tidal flooding 330: 327: 287: 284: 275:crevasse splay 249: 246: 216: 213: 211: 208: 162: 159: 151:climate change 82: 79: 75:sustainability 71:land elevation 59:sea-level rise 26: 9: 6: 4: 3: 2: 3962: 3951: 3948: 3946: 3943: 3942: 3940: 3919: 3915: 3909: 3901: 3897: 3892: 3887: 3883: 3879: 3875: 3871: 3867: 3863: 3859: 3852: 3850: 3848: 3839: 3835: 3831: 3827: 3822: 3817: 3813: 3809: 3805: 3801: 3797: 3790: 3781: 3776: 3772: 3768: 3764: 3760: 3756: 3749: 3747: 3745: 3736: 3732: 3728: 3721: 3719: 3717: 3708: 3704: 3699: 3694: 3690: 3686: 3682: 3678: 3674: 3667: 3659: 3655: 3651: 3647: 3643: 3639: 3635: 3631: 3624: 3616: 3612: 3608: 3604: 3600: 3596: 3591: 3586: 3582: 3578: 3574: 3570: 3566: 3559: 3557: 3548: 3544: 3540: 3536: 3532: 3528: 3524: 3520: 3512: 3498: 3494: 3487: 3479: 3475: 3471: 3467: 3463: 3459: 3455: 3451: 3447: 3443: 3436: 3428: 3424: 3420: 3416: 3412: 3405: 3403: 3394: 3390: 3386: 3385: 3377: 3375: 3366: 3362: 3357: 3352: 3348: 3344: 3340: 3336: 3332: 3328: 3324: 3320: 3316: 3309: 3294: 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Index

Sedimentation enhancing strategies
Photograph of a flat landscape with low vegetation and ponds. There is a flock of water birds and hills in the background.
environmental management
deltas
Sediment
subside
sea-level rise
Sedimentation
rivers
land elevation
sustainability
flood protection infrastructure
embankments
seawalls
land reclamation
levee construction
river discharges
flooding
soil drainage
flood
ecosystems
fisheries
landscape
ecosystem services
boundary conditions
scenarios
climate change
environmental conditions
Satellite imagery showing a large grey coastal urban area with patches of green vegetation.
densely populated

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