SMAP Validation Data

The following table lists the science data products from soil moisture field campaigns and related data.

CLASIC07

Title Spatial Coverage Temporal Coverage 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
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
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
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
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
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
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 Vegetation Water Content

SMAPVEX08

Title Spatial Coverage Temporal Coverage 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
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
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
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
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
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
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
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 Vegetation Water Content

SMAPVEX12

Title Spatial Coverage Temporal Coverage 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Vegetation Water Content

SMAPVEX15

Title Spatial Coverage Temporal Coverage Parameter(s)
SMAPVEX15 PALS Brightness Temperature Data, Version 1

N: 31.87, S: 31.51, E: -109.84, W: -110.96

2015/08/02 to 2015/08/18
Brightness Temperature, Land Surface Temperature
SMAPVEX15 Probe-Based In Situ Soil Moisture Data, Version 1

N: 31.92451386, S: 31.34351987, E: -110.0483274, W: -110.2639881

2015/08/02 to 2015/08/18
Gravimetric Soil Moisture, Soil Bulk Density, Soil Temperature, Volumetric Soil Moisture (Fraction)

SMAPVEX16 Manitoba

Title Spatial Coverage Temporal Coverage Parameter(s)
SMAPVEX16 Manitoba Core-Based In Situ Soil Moisture Data, Version 1

N: 49.761171, S: 49.384076, E: -97.756264, W: -98.098417

2016/05/24 to 2016/07/22
Gravimetric Soil Moisture, Soil Bulk Density, Volumetric Soil Moisture (Fraction)
SMAPVEX16 Manitoba CropScan Data, Version 1

N: 49.761171, S: 49.38533, E: -97.756264, W: -98.098417

2016/06/13 to 2016/07/12
Incidence Angle, Solar Irradiance
SMAPVEX16 Manitoba In Situ Vegetation Data, Version 1

N: 49.761171, S: 49.384076, E: -97.756264, W: -98.098417

2016/06/13 to 2016/07/21
Crop Biomass, Crop Density, Crop Growth Stage, Crop Height, Plant Characteristics, Vegetation Water Content
SMAPVEX16 Manitoba Land Cover Classification Map, Version 1

N: 49.997539, S: 49.145916, E: -97.435997, W: -98.363559

2016/06/01 to 2016/07/31
Land Cover Classification
SMAPVEX16 Manitoba Leaf Area Index, Version 1

N: 49.761171, S: 49.384076, E: -97.756264, W: -98.098417

2016/06/13 to 2016/07/21
Leaf Area Index (LAI), Vegetation Cover
SMAPVEX16 Manitoba Meteorological Data, Version 1

N: 49.680332, S: 49.499683, E: -97.98999, W: -98.033404

2016/05/02 to 2016/09/30
Air Temperature, Humidity, Precipitation Amount
SMAPVEX16 Manitoba PALS Brightness Temperature and Soil Moisture Data, Version 1

N: 49.79, S: 49.36, E: -97.75, W: -98.12

2016/06/08 to 2016/07/22
BRIGHTNESS TEMPERATURE, LAND USE/LAND COVER CLASSIFICATION, SOIL MOISTURE, SOIL TEMPERATURE, SOIL TEXTURE, VEGETATION WATER CONTENT
SMAPVEX16 Manitoba Probe-Based In Situ Soil Moisture Data, Version 1

N: 49.761171, S: 49.384076, E: -97.756264, W: -98.098417

2016/06/08 to 2016/07/22
Dielectric Constant, Soil Temperature, Vegetation Temperature, Volumetric Soil Moisture (Fraction)
SMAPVEX16 Manitoba Radiometer Brightness Temperature Data, Version 1

N: 49.648801, S: 49.38533, E: -97.888567, W: -97.896709

2016/06/06 to 2016/07/21
Brightness Temperature, Incidence Angle
SMAPVEX16 Manitoba Soil Texture Data, Version 1

N: 49.761171, S: 49.38533, E: -97.756264, W: -98.098417

2016/06/01 to 2016/07/31
Clay Fraction, Sand Fraction, Silt Fraction, Soil Organic Matter (SOM)
SMAPVEX16 Manitoba Soils Geodatabase, Version 1

N: 49.797634, S: 49.358546, E: -97.737866, W: -98.130123

2016/06/01 to 2016/07/31
Soil Classification
SMAPVEX16 Manitoba Station Soil Moisture Data, Version 1

N: 49.756438, S: 49.384164, E: -97.756385, W: -98.098416

2016/05/01 to 2016/08/31
Precipitation Amount, Soil Moisture, Soil Temperature
SMAPVEX16 Manitoba Surface Roughness Data, Version 1

N: 49.761171, S: 49.38533, E: -97.756264, W: -98.098417

2016/06/10 to 2016/06/15
Correlation Length, RMS of Surface Height Variation

SMAPVEX16 Iowa

Title Spatial Coverage Temporal Coverage Parameter(s)
SMAPVEX16 Iowa PALS Brightness Temperature and Soil Moisture Data, Version 1

N: 42.66, S: 42.28, E: -93.21, W: -93.58

2016/05/28 to 2016/08/16
BRIGHTNESS TEMPERATURE, LAND USE/LAND COVER CLASSIFICATION, SOIL MOISTURE, SOIL TEMPERATURE, SOIL TEXTURE, VEGETATION WATER CONTENT

Other Validation Data

Data Sets and Collections Details and Data
SMAP/In Situ Core Validation Site Land Surface Parameters Match-Up Data More Details | Get Data
PALS/In Situ Multi-Campaign 800 m UTM Grid Brightness Temperature, Backscatter,
and Soil Moisture 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