| Ground Instruments |
| Instrument Name |
Acronym |
Investigators |
Type |
Product Description |
| Autonomous Parsivel Units |
APU
|
Walt Petersen
(NASA WFF)
Matt Wingo
(NASA- UAH/WFF) |
Disdrometers
|
measures of rain DSD, particle phase, and fall-velocity of particle sizes from 0.3 mm to 20 cm |
| Micro Rain Radar |
MRR
|
Walt Petersen
(NASA WFF)
Patrick Gatlin
(NASA- MSFC) |
Disdrometers
|
DSD profiling,precip rate, melting layer
retrieves quantitative rain rates, drop size distributions, radar reflectivity, fall velocities on vertical profiles up to several kilometers above the unit. It operates at 24 GHz |
| Rain Gauges- NASA |
|
Walt Petersen
(NASA WFF)
David Wolff
(NASA-GSFC/WFF)
|
Rain Gauge Network
|
tipping buckets directly measure rainfall |
| Rain Gauges - Iowa |
|
Witold Krajhewski
(Univ. of Iowa-Iowa Flood Center) |
Rain Gauge Network |
|
| Stream gauges- Iowa |
|
Witold Krajhewski
(Univ. of Iowa-Iowa Flood Center) |
Stream Gauge |
Stream flow product |
| Stream gauges- USGS |
|
Witold Krajhewski
(Univ. of Iowa-Iowa Flood Center) |
Stream Gauge |
Stream flow product |
| Soil moisture product - Iowa |
|
Witold Krajhewski
(Univ. of Iowa-Iowa Flood Center) |
Soil Moisture Sensors |
|
| Soil moisture product |
|
Mike Cosh
(USDA-ARS) |
Soil Moisture Sensors |
|
| Two Dimensional Video Disdrometer |
2DVD |
Walt Petersen
(NASA WFF)
Patrick Gatlin (NASA- MSFC) |
Disdrometers |
Particle size and concentration measurements for particles of 0.3–8 mm in diameter (bin resolution of 0.25 mm), axis ratio distribution, and fall-velocity information |
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