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)

Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)

SMAPVEX12 Core-Based In Situ Soil Moisture Data for Agricultural Area

Dataset Summary

This data set contains in situ soil moisture data collected with coring devices at several agricultural sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 3.2 km 1 day to 5 day Soil Moisture/Water Content

SMAPVEX12 Core-Based Soil Texture Data

Dataset Summary

This data set contains in situ soil texture data collected with coring devices at several sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 3.2 km 1 day Soil Texture

SMAPVEX12 In Situ Vegetation Data for Agricultural Area

Dataset Summary

This data set contains in situ vegetation data collected at several agricultural sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 0.5 m 13 day Biomass, Plant Characteristics

SMAPVEX12 In Situ Vegetation Data for Forest Area

Dataset Summary

This data set contains in situ vegetation data collected at several forest sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/17 10 m 1 day, 1 day Canopy Characteristics, Plant Characteristics, Biomass

SMAPVEX12 Land Cover Classification Map

Dataset Summary

This data set consists of land cover classification data derived from satellite imagery as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12). Images from the RADARSAT-2, Système Pour l'Observation de la Terre (SPOT-4), and DMC International Imaging Ltd (DMCii) of the study area were retrieved for the summer of 2012. The land use classification image provides information about vegetation present in the study area at a resolution of 20 meters.

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N: 50.21, S: 49.31, E: -98.27, W: -98.97 2012/06/07 to 2012/07/19 20 m 1 day Land Use Classes

SMAPVEX12 PALS Backscatter Data

Dataset Summary

This data set contains backscatter data obtained by the Passive Active L-band System (PALS) microwave aircraft instrument as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 500 m to 1500 m 1 day to 5 day Radar Cross-section, Radar Backscatter

SMAPVEX12 PALS Brightness Temperature Data

Dataset Summary

This data set contains brightness temperatures obtained by the Passive Active L-band System (PALS) aircraft instrument. The data were collected as part of SMAPVEX12, the Soil Moisture Active Passive Validation Experiment 2012.

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 500 m to 1500 m 1 day to 4 day Brightness Temperature, Land Surface Temperature

SMAPVEX12 Probe-Based In Situ Soil Moisture Data for Agricultural Area

Dataset Summary

This data set contains in situ soil moisture data collected at several agricultural sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 0.8 km 2 day to 3 day Electrical Conductivity, Soil Moisture/Water Content

SMAPVEX12 Probe-Based In Situ Soil Moisture Data for Forest Area

Dataset Summary

This data set contains in situ soil moisture data collected at several forested sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/13 100 m 1 day to 8 day Electrical Conductivity, Soil Depth, Soil Temperature, Soil Moisture/Water Content

SMAPVEX12 Soil Texture Map

Dataset Summary

This data set consists of soil texture classification data derived from field surveys as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12). The soil texture classification map provides information about vegetation present in the study area.

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 316 m Soil Texture

SMAPVEX12 Surface Roughness Data for Agricultural Area

Dataset Summary

This data set contains surface roughness data collected at several agricultural sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 1 m Surface Roughness

SMAPVEX12 Surface Roughness Data for Forest Area

Dataset Summary

This data set contains surface roughness data collected at several forested sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 49.96, S: 49.44, E: -97.85, W: -98.51 2012/06/07 to 2012/07/19 1 m Surface Roughness

SMAPVEX12 UAVSAR Incidence-Angle Normalized Backscatter Data

Dataset Summary

This data set contains backscatter data obtained by the Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) instrument. The data were collected as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

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N: 50.01, S: 49.32, E: -97.62, W: -98.67 2012/06/17 to 2012/07/17 6 m 1 day to 6 day Radar Backscatter, Radar Cross-section

SMAPVEX12 Vegetation Water Content Map

Dataset Summary

The Vegetation Water Content (VWC) Map for the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12) was derived by calculating Normalized Difference Water Index (NDWI) from SPOT and RapidEye satellite overpasses. In addition, samples from a range of vegetation types were used to compare VWC and NDVI to the satellite imagery.

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N: 50.17, S: 49.31, E: -97.36, W: -98.74 2012/05/14 to 2012/07/19 5 m 1 day Plant Characteristics

Other Validation Data

Data Sets and Collections Details and Data
Soil Moisture Experiment 2002 (SMEX02) Data More Details | Get Data
Soil Moisture Active Passive Experiment (SMAPEx) Project — External Data & Documentation 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