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NASA Distributed Active Archive Center (DAAC) at NSIDC

SMAP Data

Soil Moisture Active Passive Data

Validation Data

The tables below provide access to data sets collected during the SMAPVEX12 validation field campaign, as well as other soil moisture field campaigns.

SMAPVEX12 (Soil Moisture Active Passive Validation Experiment 2012)

Data Set

Data Coverage

Data Resolution

Parameters

Location Temporal Spatial Temporal

PALS Backscatter Data (SV12PLBK)
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Winnipeg, Canada 07 June–19 July 2012 500–1500 m 1–5 days Radar Backscatter

PALS Brightness Temperature Data (SV12PLTB)
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Winnipeg, Canada 07 June–19 July 2012 500–1500 m 1–4 days Brightness Temperature

Probe-Based In Situ Soil Moisture Data for Agricultural Area (SV12PSMA)
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Winnipeg, Canada 07 June–13 July 2012 0.8 km 2–3 days Soil Moisture/Water Content, Electrical Conductivity

Probe-Based In Situ Soil Moisture Data for Forest Area (SV12PSMF)
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Winnipeg, Canada 07 June–13 July 2012 100 m 1–8 days Dielectric Constant, Soil Depth, Volumetric Soil Moisture, Soil Temperature

Surface Roughness Data for Agricultural Area (SV12SRA)
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Winnipeg, Canada 07 June–19 July 2012 1 m Once per site RMS of Surface Height Variation, Surface Correlation Length

Surface Roughness Data for Forest Area (SV12SRF)
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Winnipeg, Canada 07 June–19 July 2012 1 m, 3 m Once per site RMS of Surface Height Variation, Surface Correlation Length

In Situ Vegetation Data for Agricultural Area (SV12VA)
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Winnipeg, Canada 07 June–19 July 2012 0.5 m 1–5 days Biomass, Plant Characteristics

UAVSAR Incidence-Angle Normalized Backscatter Data (SV12UBK)
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Winnipeg, Canada 07 June–17 July 2012 6 m 1–6 days Radar Backscatter

Land Cover Classification Map (SV12LC)
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Winnipeg, Canada 07 June–19 July 2012 20 m Once per day Land Cover Classification

Vegetation Water Content Map (SV12VWC)
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Winnipeg, Canada 14 May–19 July 2012 5 m Once per day Vegetation Water Content

Other Validation Data [top]

Data Sets and Collections Details and Data
Soil Moisture Experiment 2002 (SMEX02) Data More Details | Get Data
Canadian Experiment for Soil Moisture in 2010 (CanEx-SM10) — External Data & Documentation More Details | Get Data
Southern Great Plains 1999 Experiment (SGP99) — External Data & Documentation More Details | Get Data
Southern Great Plains 1997 Experiment (SGP97) — External Data & Documentation More Details | Get Data