soil surface roughness measurements during smapvex16-ia...soil surface roughness measurements during...
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Soil Surface Roughness MeasurementsDuring SMAPVEX16-IA
Brian HornbuckleVictoria Walker
Vivian WallaceBill EichingerEnes Yildirim
SMAP Cal/Val 2017, Amherst, MA
greater soil surface roughnessincreases soil emission,increases retrieved soil moisture
Hornbuckle et al.: Soil Surface Roughness.
with grid board.
with pin board.
Soil surface roughness observationsduring IOP1 of SMAPVEX16-IA...
with lidar.
Hornbuckle et al.: Soil Surface Roughness.
with grid board.
with pin board.
Soil surface roughness observationsduring IOP1 of SMAPVEX16-IA...
Hornbuckle et al.: Soil Surface Roughness.
1
2
3
4 5 6
north-to-south,
west-to-east,
at three different points(A,B,C) within each field
Hornbuckle et al.: Soil Surface Roughness.
with grid board.with pin board.
Soil Surface Roughness in IOP2...limited measurements due to crops.
Hornbuckle et al.: Soil Surface Roughness.
Lidar: 1 mm spot size / footprint2.5 mm separation distance
Pin and grid board photosmanipulated to extract data.
Hornbuckle et al.: Soil Surface Roughness.
LTAR
S10
S14
Hornbuckle et al.: Soil Surface Roughness.
SMAP/SMOS value
lidar data
Hornbuckle et al.: Soil Surface Roughness.Hornbuckle et al.: Soil Surface Roughness.
Pin and grid boards show approximately the same information.
Hornbuckle et al.: Soil Surface Roughness.Hornbuckle et al.: Soil Surface Roughness.
Complete scan of tower radiometer footprints.
Hornbuckle et al.: Soil Surface Roughness.
Summary...Soil surface roughness was measured during SMAPVEX16-IA.
Data available at
roughness: https://iastate.box.com/v/SMAPVEX16IA-roughness-report
Report describing the data available soon at same location.
After some more checks, will deposit data at SMAPVEX16 site.
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