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plated for corrosion resistance. An issue with this method is that measurements depend on droplets being large enough to bridge the gap between the conductors. A surface coating of for instance hygroscopic
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between two metal conductors in an alternate finger or double spiral configuration on a flat surface, either flat or cylindrical. The conductors are usually
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Effects of coating, deployment angle, and compass orientation on performance of electronic wetness sensors during dew periods
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235:: Lau, Y.F., Gleason, M.L., Zriba, N., Taylor, S.E., Hinz, P.N., 2000. Plant Disease 84:192-197.
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of the surface of a sensor, thus detecting the presence of water or ice on the sensor's surface.
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247:: Sentelhas, P.C., Monteiro, J.E., Gillespie, T.J., 2004. Int J Biometeorol 48: 202-205.
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paint may be applied for more consistent results. Resistance measurement is often by
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properties where a change in sensor length or weight can be measured mechanically.
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A comparison of cylindrical and flat plate sensors for surface wetness duration
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Electronic leaf wetness duration sensor: why it should be painted
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211:: Gillespie T.J., Duan R.X., 1987. Agric For Meteorol 40: 61-70.
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left on surfaces. It is used for monitoring leaf moisture for
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is a meteorological parameter that describes the amount of
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58:Leaf wetness may be measured by various means:
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149:, The Leaf Surface Wetness Duration Home Page
323:meteorological equipment and instrumentation
132:The Leaf Surface Wetness Duration Home Page
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51:conditions, and early detection of
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82:By measuring the change in the
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43:systems, and for detection of
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221:Do you measure leaf wetness?
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190:Double spiral configuration
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159:Some leaf wetness sensors
39:control, for control of
575:Humidity and hygrometry
404:Ice accretion indicator
444:Present weather sensor
171:Resistance type sensor
285:, Campbell Scientific
161:, Campbell Scientific
64:electrical resistance
369:Dark adaptor goggles
257:Leaf Wetness Sensor
199:, ICT International
180:, Davis Instruments
84:dielectric constant
77:alternating current
414:Lightning detector
281:2011-07-08 at the
262:2017-07-26 at the
195:2005-06-19 at the
176:2010-11-02 at the
136:Cornell University
31:purposes, such as
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504:Thermo-hygrograph
494:Sunshine recorder
359:Ceiling projector
223:, Decagon Devices
109:Moisture analysis
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544:Whole sky camera
489:Stevenson screen
394:Heat flux sensor
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585:Agrometeorology
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519:Transmissometer
484:Sounding rocket
429:Pan evaporation
354:Ceiling balloon
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283:Wayback Machine
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264:Wayback Machine
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62:By change in
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25:precipitation
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539:Weather vane
529:Weather buoy
419:Nephelometer
321:Earth-based
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29:agricultural
17:Leaf wetness
16:
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509:Thermometer
499:Tethersonde
479:Solarimeter
469:Snow pillow
434:Pyranometer
379:Disdrometer
91:hygroscopic
79:excitation.
569:Categories
514:Tide gauge
459:Snow gauge
454:Rain gauge
449:Radiosonde
424:Nephoscope
399:Hygrometer
389:Field mill
364:Ceilometer
334:Anemometer
120:References
104:Hygrometer
41:irrigation
464:Snowboard
384:Dropsonde
349:Barometer
344:Barograph
339:Atmometer
554:Windsock
279:Archived
260:Archived
193:Archived
174:Archived
98:See also
53:rainfall
374:Dewcell
114:Dewcell
37:disease
580:Leaves
266:, LWET
33:fungus
474:SODAR
409:Lidar
73:latex
68:gold
47:and
35:and
23:and
49:dew
45:fog
21:dew
571::
134:,
55:.
314:e
307:t
300:v
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