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Soil Properties 800m

The data shown here were obtained by aggregating current USDA-NCSS soil survey data (SSURGO back-filled with STATSGO where SSURGO is not available) within 800m² grid cells. This data aggregation technique results in maps that may not match the original data at any given point, and is intended to depict regional trends in soil properties at the statewide scale.

This app was developed by the California Soil Resource Lab at UC Davis and UC-ANR in collaboration with the USDA Natural Resources Conservation Service. Please use the following citation for this website and gridded data products:

Citation

Walkinshaw, Mike, A.T. O'Geen, D.E. Beaudette. "Soil Properties." California Soil Resource Lab, 1 Oct. 2020,
casoilresource.lawr.ucdavis.edu/soil-properties/.
Property Type Property Name GEE asset
Chemical Calcium Carbonate projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/caco3
Cation Exchange Capacity projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec
Cation Exchange Capacity (0-5cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec_profile
Cation Exchange Capacity (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec_profile
Cation Exchange Capacity (0-50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec_profile
Electrical Conductivity projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ec
Electrical Conductivity (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ec_profile
Electrical Conductivity (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ec_profile
pH projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph
pH (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph_profile
pH (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph_profile
pH (25-50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph_profile
pH (30-60 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph_profile
Sodium Adsorption Ratio projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/sar
Soil Organic Matter projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/som
Soil Organic Matter- Max projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/som_max
Physical Avail. Water Holding Capacity projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/water_storage
Avail. Water Holding Capacity (0-25cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/water_storage_profile
Avail. Water Holding Capacity (0-50cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/water_storage_profile
Bulk Density projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/bulk_density
Drainage Class projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/drainage_class
Rock Fragments (0-25cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/rf_025
Sat. Hyd. Conductivity (Ksat) - Mean projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_mean
Sat. Hyd. Conductivity (Ksat) - Min projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_min
Sat. Hyd. Conductivity (Ksat) - Max projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_max
Sat. Hyd. Conductivity (Ksat) - (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_05
Soil Texture (0 - 5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/soil_texture_profile
Soil Texture (0 - 25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/soil_texture_profile
Soil Texture (25 - 50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/soil_texture_profile
Sand projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand
Sand (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand_profile
Sand (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand_profile
Sand (25-50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand_profile
Sand (30-60 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand_profile
Silt projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt
Silt (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt_profile
Silt (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt_profile
Silt (25-50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt_profile
Silt (30-60 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt_profile
Clay projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay
Clay (0-5 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay_profile
Clay (0-25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay_profile
Clay (25-50 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay_profile
Clay (30-60 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay_profile
Land Use Depth to Restrictive Layer projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/resdept
Hydrologic Group projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/hydrologic_group
Kw Factor (0 - 25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/kw_025
Land Capability Class - Non-Irrigated projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/lcc_ni
Land Capability Class - Irrigated projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/lcc_i
Soil Depth projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_depth
Soil Order projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_order
Soil Temperature Regime projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_temp_regime
Wind Erodibility Group projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/wind_erodibility_group
Wind Erodibility Index projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/wind_erodibility_index
Survey Type projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/survey_type
Soil Color Soil Color (10 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/soil_color
Soil Color (25 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/soil_color
Soil Color (75 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/soil_color
Soil Color (125 cm) projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/soil_color

Soil Aggregation Details

soil_agg1 soil_agg2

Preprocessing

For layers with depth profiles a _profile collection is created with a min_depth and max_depth property,this can then be used for filtering an allows the varying profiles to stay in single image collection for a single property like sand and sand_profile for example.

You can download the data layers here along with lookup tables for layers that are categorical instead of continuous. Also mode pyramding policy is applied to all categorical layers and you can find the lookup table for all categorical variable in the download page.

Earth Engine Snippet

var caco3 = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/caco3');
var cec = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec');
var cec_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/cec_profile');
var ec = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ec');
var ec_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ec_profile');
var ph = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph');
var ph_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/ph_profile');
var sar = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/sar');
var som = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/som');
var som_max = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/chemical/som_max');
var hydrologic_group = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/hydrologic_group');
var kw_025 = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/kw_025');
var lcc_i = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/lcc_i');
var lcc_ni = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/lcc_ni');
var resdept = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/resdept');
var soil_depth = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_depth');
var soil_order = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_order');
var soil_temp_regime = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/soil_temp_regime');
var survey_type = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/survey_type');
var wind_erodibility_group = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/wind_erodibility_group');
var wind_erodibility_index = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/land_use/wind_erodibility_index');
var bulk_density = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/bulk_density');
var clay = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay');
var clay_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/clay_profile');
var drainage_class = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/drainage_class');
var ksat_05 = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_05');
var ksat_max = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_max');
var ksat_mean = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_mean');
var ksat_min = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/ksat_min');
var rf_025 = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/rf_025');
var sand = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand');
var sand_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/sand_profile');
var silt = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt');
var silt_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/silt_profile');
var soil_texture_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/soil_texture_profile');
var water_storage = ee.Image('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/water_storage');
var water_storage_profile = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/physical/water_storage_profile');
var  soil_color = ee.ImageCollection('projects/earthengine-legacy/assets/projects/sat-io/open-datasets/CSRL_soil_properties/soil_color');

Sample Code: https://code.earthengine.google.com/3a1cfb868beb449683f32bdd77f65f1b

Soil Texture Palette

Palettes have been created for variable types and a palette for Soil Texture is included below. Some palettes include rgb values and can be converted in hex codes for each variable type. These can be extraced from the app page and a few are included in the sample code.

#BEBEBE Sand
#FDFD9E Loamy Sand
#ebd834 Sandy Loam
#307431 Loam
#CD94EA Silt Loam
#546BC3 Silt
#92C158 Sandy Clay Loam
#EA6996 Clay Loam
#6D94E5 Silty Clay Loam
#4C5323 Sandy Clay
#E93F4A Silty Clay
#AF4732 Clay

Sample Code with Soil Texture Class:https://code.earthengine.google.com/bb16ef5adbd5711d9fcb77ce7705618e

Shared License

This work is licensed under a Creative Commons Attribution 4.0 International and is an open license unless otherwise indicated. You must give appropriate credit, provide a link to the license, and indicate if changes were made.

Created by : California Soil Resource Lab at UC Davis and UC-ANR in collaboration with the USDA Natural Resources Conservation Service

Curated in GEE by: Samapriya Roy

Keywords: Soil grid, USDA, CSRL, UCANR,USDA, Soil, Coarse

Last updated: 2021-07-22