Validation Data

The tables below provide access to data from the following soil moisture field campaigns, plus related validation data:

CLASIC07
Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
CLASIC07 In Situ Soil Moisture Data, Version 1

N: 35.21, S: 34.91, E: -97.95, W: -98.59
2007/06/07 to 2007/07/07
 0.8 km 1 day to 2 day Electrical Conductivity, Land Surface Temperature, Soil Bulk Density, Soil Temperature, Volumetric Soil Moisture (Fraction)
CLASIC07 In Situ Vegetation Data, Version 1

N: 35.21, S: 34.79, E: -97.95, W: -98.6
2007/06/10 to 2007/07/03
 800 m Varies Vegetation Water Content
CLASIC07 Land Cover Classification Map, Version 1

N: 38.96, S: 31.62, E: -94.91, W: -95.13
2007/04/01 to 2007/08/31
 56 m Varies Land Cover Classification
CLASIC07 PALS Backscatter Data, Version 1

N: 35.21, S: 34.91, E: -97.75, W: -98.7
2007/06/11 to 2007/07/07
 350 m to 1100 m Varies Incidence Angle, Normalized Radar Cross-Section
CLASIC07 PALS Brightness Temperature Data, Version 1

N: 35.21, S: 34.91, E: -97.75, W: -98.7
2007/06/11 to 2007/07/06
 350 m to 1100 m Varies Brightness Temperature, Incidence Angle
CLASIC07 Soil Texture Data, Version 1

N: 36, S: 34.7, E: -96.05, W: -98.8
2007/07/01 to 2007/07/31
 30 arcsec Varies Clay Fraction Analysis, Percent clay, Sand Fraction
CLASIC07 Vegetation Water Content Map, Version 1

N: 37.23, S: 34.35, E: -95.47, W: -99.53

 2007/07/15 56 m Varies Vegetation Water Content

SMAPVEX08
Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
SMAPVEX08 In Situ Soil Moisture Data, Version 1

N: 39.09, S: 38.93, E: -75.55, W: -76.25
2008/09/29 to 2008/10/13
 0.8 km 2 day to 3 day Electrical Conductivity, Gravimetric Soil Moisture, Soil Temperature, Volumetric Soil Moisture (Fraction)
SMAPVEX08 In Situ Vegetation Data, Version 1

N: 39.02, S: 38.95, E: -75.94, W: -76.09
2008/10/02 to 2008/10/07
 800 m Varies Leaf Area Index (LAI), Vegetation Water Content
SMAPVEX08 Land Cover Classification Map, Version 1

N: 39.1, S: 38.8, E: -75.6, W: -76.3
2008/06/01 to 2008/10/31
 10 m Varies Land Cover Classification
SMAPVEX08 PALS Backscatter Data, Version 1

N: 39.09, S: 38.93, E: -75.55, W: -76.25
2008/09/29 to 2008/10/13
 350 m to 1100 m 1 day to 3 day Azimuth Angle, Complex Cross-Correlation, Incidence Angle, Normalized Radar Cross-Section, Polarization Rotation Angle, Range
SMAPVEX08 PALS Brightness Temperature Data, Version 1

N: 39.09, S: 38.93, E: -75.55, W: -76.25
2008/09/29 to 2008/10/13
 350 m 1 day to 3 day Brightness Temperature, Incidence Angle, Land Surface Temperature
SMAPVEX08 Soil Texture Data, Version 1

N: 39.09, S: 38.93, E: -75.55, W: -76.25
2008/10/01 to 2008/10/31
 100 Varies Available water capacity, Bulk Density, Percent clay, Percent sand, Permeability, Rock fragment class
SMAPVEX08 Surface Roughness Data, Version 1

N: 39.1, S: 38.8, E: -75.6, W: -76.3
2008/09/29 to 2008/10/13
 1 m Varies Correlation Length, Power Coefficient, RMS of Surface Height Variation
SMAPVEX08 Vegetation Water Content Map, Version 1

N: 39.09, S: 38.93, E: -75.55, W: -76.25

 2008/10/11 10 m Varies Vegetation Water Content

SMAPVEX12
Title Spatial Coverage Temporal Coverage Spatial Resolution Temporal Resolution Parameter(s)
SMAPVEX12 Core-Based In Situ Soil Moisture Data for Agricultural Area, Version 1

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 Gravimetric Soil Moisture, Volumetric Soil Moisture (Fraction)
SMAPVEX12 Core-Based Soil Texture Data, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/07 to 2012/07/19
 3.2 km 1 day Clay Fraction Analysis, Sand Fraction, Silt Fraction, Soil Texture
SMAPVEX12 In Situ Vegetation Data for Agricultural Area, Version 1

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, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/07 to 2012/07/17
 10 m 1 day Angle of Branches, Canopy Height, Diameter at Breast Height (DBH), Length of Branches, Number of Branches, Thickness, Trunk Height, Understory Height, Volume, Weight
SMAPVEX12 Land Cover Classification Map, Version 1

N: 50.21, S: 49.31, E: -98.27, W: -98.97
2012/06/07 to 2012/07/19
 20 m 1 day Land Cover Classification
SMAPVEX12 PALS Backscatter Data, Version 1

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 Backscatter
SMAPVEX12 PALS Brightness Temperature Data, Version 1

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 PALS Soil Moisture Data, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/12 to 2012/07/19
 1500 m 1 day to 4 day Brightness Temperature, Clay Fraction, Land Cover Classification, Sand Fraction, Soil Moisture, Soil Temperature, Vegetation Temperature, Vegetation Water Content
SMAPVEX12 Probe-Based In Situ Soil Moisture Data for Agricultural Area, Version 1

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, Version 1

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 Dielectric Constant, Soil Depth, Soil Temperature, Volumetric Soil Moisture (Fraction)
SMAPVEX12 Soil Texture Map, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/07 to 2012/07/19
 316 m Varies Soil Texture
SMAPVEX12 Surface Roughness Data for Agricultural Area, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/07 to 2012/07/19
 1 m Varies Correlation Length, RMS of Surface Height Variation
SMAPVEX12 Surface Roughness Data for Forest Area, Version 1

N: 49.96, S: 49.44, E: -97.85, W: -98.51
2012/06/07 to 2012/07/19
 1 m Varies RMS of Surface Height Variation, Surface Correlation Length
SMAPVEX12 UAVSAR Incidence-Angle Normalized Backscatter Data, Version 1

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
SMAPVEX12 Vegetation Water Content Map, Version 1

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

Other Validation Data

Data Sets and Collections Details and Data
PALS Soil Moisture Experiment (1999-2008) 800 m Earth-Fixed Grid Brightness Temperature and Backscatter Match-Up More Details | Get 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
SMAP/In Situ Core Validation Site Land Surface Parameters Match-Up More Details | Get Data