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Service Description: This service displays the Total Clay theme from the GSM v0.5 based on Soil Survey Geographic Database (SSURGO) filled in with STATSGO2 for missing SSURGO data. The Total Clay theme is displayed by three property values; high, low, and representative. Each value displays the depth range in cm.

Map Name: Layers14

Legend

All Layers and Tables

Layers:

• Total Clay, g_gF, High Estimate (0)
  • Total Clay, g_gF H, 0-5 cm depth (1)
  • Total Clay, g_gF H, 5-15 cm depth (2)
  • Total Clay, g_gF H, 15-30 cm depth (3)
  • Total Clay, g_gF H, 30-60 cm depth (4)
  • Total Clay, g_gF H, 60-100 cm depth (5)
  • Total Clay, g_gF H, 100-200 cm depth (6)
  • Total Clay, g_gF H, total depth prior to spline (7)
  • Total Clay, g_gF H, depth available to root zone (8)
  • Percent of Map Unit used for Weighted Average (9)
• Total Clay, g_gF, Representative Estimate (10)
  • Total Clay, g_gF R, 0-5 cm depth (11)
  • Total Clay, g_gF R, 5-15 cm depth (12)
  • Total Clay, g_gF R, 15-30 cm depth (13)
  • Total Clay, g_gF R, 30-60 cm depth (14)
  • Total Clay, g_gF R, 60-100 cm depth (15)
  • Total Clay, g_gF R, 100-200 cm depth (16)
  • Total Clay, g_gF R, total depth prior to spline (17)
  • Total Clay, g_gF R, depth available to root zone (18)
  • Percent of Map Unit used for Weighted Average (19)
• Total Clay, g_gF, Low Estimate (20)
  • Total Clay, g_gF L, 0-5 cm depth (21)
  • Total Clay, g_gF L, 5-15 cm depth (22)
  • Total Clay, g_gF L, 15-30 cm depth (23)
  • Total Clay, g_gF L, 30-60 cm depth (24)
  • Total Clay, g_gF L, 60-100 cm depth (25)
  • Total Clay, g_gF L, 100-200 cm depth (26)
  • Total Clay, g_gF L, total depth prior to spline (27)
  • Total Clay, g_gF L, depth available to root zone (28)
  • Percent of Map Unit used for Weighted Average (29)

Description: The total clay (claytotal) table is designed to facilitate thematic mapping. The table is national in extent and can be used in conjunction with the GSM Version 0.5 grid to map total soil clay (claytotal). The "r" corresponds to "representative" property values. This table represents total clay (claytotal) soil property. The table contains 22 columns.

Field	Description
mukeyint:	Map unit identification key
source:	SSURGO or STATSGO2
count30m:	Number of pixels in the map unit
km2:	Area in km2 of map unit extent
muname:	Descriptive map unit name
mu_claytotal_r_g_kg_000_005:	total clay for 0-5 cm soil thickness
mu_claytotal_r_g_kg_005_015:	total clay for 5-15 cm soil thickness
mu_claytotal_r_g_kg_015_030:	total clay for 15-30 cm soil thickness
mu_claytotal_r_g_kg_030_060:	total clay for 30-60 cm soil thickness
mu_claytotal_r_g_kg_060_100:	total clay for 60-100 cm soil thickness
mu_claytotal_r_g_kg_100_200:	total clay for 100-200 cm soil thickness
mu_claytotal_r_g_kg_000_999:	total clay for total soil thickness prior to spline
mu_claytotal_r_g_kg_rootzone:	total clay for total soil thickness available to root zone
mu_claytotal_r_g_gF_000_005:	total clay for 0-5 cm soil thickness
mu_claytotal_r_g_gF_005_015:	total clay for 5-15 cm soil thickness
mu_claytotal_r_g_gF_015_030:	total clay for 15-30 cm soil thickness
mu_claytotal_r_g_gF_030_060:	total clay for 30-60 cm soil thickness
mu_claytotal_r_g_gF_060_100:	total clay for 60-100 cm soil thickness
mu_claytotal_r_g_gF_100_200:	total clay for 100-200 cm soil thickness
mu_claytotal_r_g_gF_000_999:	total clay for total soil thickness prior to spline
mu_claytotal_r_g_gF_rootzone:	total clay for total soil thickness available to root zone
mu_sum_comppct_r_fix_claytotal_r:	Percent (by area) of map unit used for weighted average calculation
claytotal units:	g per kg (g_kg) and g per g as fraction

Horizon values for each component (soil type) were selected only where the data were not missing and the component kind was not ‘Miscellaneous area’. Miscellaneous areas were excluded since they are dominantly occupied by non-soil materials. Major miscellanous areas include badlands, beaches, chutes, cinder lands, dams, dumps, dune lands, glaciers, gullied land, lava flows, mined lands, oil-waste land, pits, playas, riverwash, rock outcrop, rubble land, slickens, urban land and water. Detailed descriptions of each category can be found in the National Soil Survey Handbook, Part 627 - Legend Development and Data Collection, Subpart B - 627.10 (U.S. Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI [http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/ref/?cid=nrcs142p2_054242 (accessed 14 February 2018)]. The values for each soil type profile were fit with an equal-area continuous smoothing spline. (Bishop et al., 1999; Odgers et al., 2012) with a smoothing parameter, lambda, set at 0.1 for all properties. The generated spline was used to set property estimates at the GlobalSoilMap standard depth intervals (0-5 cm, 5-15 cm, 15-30 cm, 30-60 cm, 60-100 cm, and 100-200 cm (GlobalSoilMap, 2012)). For instances where splined values exceeded the lower and upper bounds the property estimate was “capped” at the nearest sensible bound. The representative standard depth estimates for each profile (i.e. component or soil type), were weighted within each map unit (i.e. group of components mapped together), using the component percentage by area of the map unit as the weights. Miscellaneous areas (non-soil materials) did not contribute to the map unit weighted average so the weighted mean represents only the soils in each map unit. The remaining soil components were scaled to represent 100% of the map unit and weighted accordingly in the calculation of the map unit average. Values for map units dominated by non-soil material, or with more than 50% as ‘Miscellaneous area’ were set to null.

Use Limitations: This dataset is not designed for use as a primary regulatory tool in permitting or siting decisions, but may be used as a reference source. This is public information and may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any authority for the decisions that they make. The Natural Resources Conservation Service will not perform any evaluations of these maps for purposes related solely to State or local regulatory programs. Digital data files are periodically updated. Files are dated, and users are responsible for obtaining the latest version of the data.
Scale Range: Maximum (zoomed in) 1:24,000, Minimum (zoomed out) 1:1,500,000
Citations: Bliss, N., Thompson, J., Hempel, J., Libohova, Z., 2017. GlobalSoilMap Version 0.5: Soil property maps from the State Soil geography (SSURGO) Database filled in with General Soil Map Database (STATSG02) database for the lower 48 states, USA.
Purpose: Providing the public with a GSM v0.5 total clay theme service.
Creation Date: 2015
Publication Date: 20180124
Revision Date: 20180410
Refresh Cycle: Final product.
Version: 2.0.0
Change Log: Added high, low, and representative estimates. Description edits.
Report Service Errors
Report Data Issues or Questions


Copyright Text: Soil Survey Staff - West Virginia University, Gridded GlobalSoilMap Property maps (GSM, Version 0.5) for conterminous United States, USDA-NRCS.

Spatial Reference: 4326  (4326)


Single Fused Map Cache: false

Initial Extent:

XMin: -238.5638031458953
YMin: -252.23783963629916
XMax: 45.40130314591448
YMax: 428.698894838959
Spatial Reference: 4326  (4326)

Full Extent:

XMin: -127.88791666665702
YMin: 22.877916666676636
XMax: -65.27458333332372
YMax: 51.60541666667662
Spatial Reference: 4326  (4326)

Units: esriDecimalDegrees

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: Layers
Author:
Comments: The total clay (claytotal) table is designed to facilitate thematic mapping. The table is national in extent and can be used in conjunction with the GSM Version 0.5 grid to map total soil clay (claytotal). The "r" corresponds to "representative" property values. This table represents total clay (claytotal) soil property. The table contains 22 columns. <table><tr><th>Field</th><th>Description</th></tr> <tr><td>mukeyint: </td><td>Map unit identification key</td></tr><tr><td>source: </td><td>SSURGO or STATSGO2</td></tr><tr><td>count30m: </td><td>Number of pixels in the map unit</td></tr><tr><td>km2: </td><td>Area in km2 of map unit extent</td></tr><tr><td>muname: </td><td>Descriptive map unit name</td></tr><tr><td>mu_claytotal_r_g_kg_000_005: </td><td>total clay for 0-5 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_005_015: </td><td>total clay for 5-15 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_015_030: </td><td>total clay for 15-30 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_030_060: </td><td>total clay for 30-60 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_060_100: </td><td>total clay for 60-100 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_100_200: </td><td>total clay for 100-200 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_kg_000_999: </td><td>total clay for total soil thickness prior to spline</td></tr><tr><td>mu_claytotal_r_g_kg_rootzone: </td><td>total clay for total soil thickness available to root zone</td></tr><tr><td>mu_claytotal_r_g_gF_000_005: </td><td>total clay for 0-5 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_005_015: </td><td>total clay for 5-15 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_015_030: </td><td>total clay for 15-30 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_030_060: </td><td>total clay for 30-60 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_060_100: </td><td>total clay for 60-100 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_100_200: </td><td>total clay for 100-200 cm soil thickness</td></tr><tr><td>mu_claytotal_r_g_gF_000_999: </td><td>total clay for total soil thickness prior to spline</td></tr><tr><td>mu_claytotal_r_g_gF_rootzone: </td><td>total clay for total soil thickness available to root zone</td></tr><tr><td>mu_sum_comppct_r_fix_claytotal_r: </td><td>Percent (by area) of map unit used for weighted average calculation</td></tr><tr><td>claytotal units: </td><td>g per kg (g_kg) and g per g as fraction</td></tr></table> Horizon values for each component (soil type) were selected only where the data were not missing and the component kind was not ‘Miscellaneous area’. Miscellaneous areas were excluded since they are dominantly occupied by non-soil materials. Major miscellanous areas include badlands, beaches, chutes, cinder lands, dams, dumps, dune lands, glaciers, gullied land, lava flows, mined lands, oil-waste land, pits, playas, riverwash, rock outcrop, rubble land, slickens, urban land and water. Detailed descriptions of each category can be found in the National Soil Survey Handbook, Part 627 - Legend Development and Data Collection, Subpart B - 627.10 (U.S. Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI [http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/ref/?cid=nrcs142p2_054242 (accessed 14 February 2018)]. The values for each soil type profile were fit with an equal-area continuous smoothing spline. (Bishop et al., 1999; Odgers et al., 2012) with a smoothing parameter, lambda, set at 0.1 for all properties. The generated spline was used to set property estimates at the GlobalSoilMap standard depth intervals (0-5 cm, 5-15 cm, 15-30 cm, 30-60 cm, 60-100 cm, and 100-200 cm (GlobalSoilMap, 2012)). For instances where splined values exceeded the lower and upper bounds the property estimate was “capped” at the nearest sensible bound. The representative standard depth estimates for each profile (i.e. component or soil type), were weighted within each map unit (i.e. group of components mapped together), using the component percentage by area of the map unit as the weights. Miscellaneous areas (non-soil materials) did not contribute to the map unit weighted average so the weighted mean represents only the soils in each map unit. The remaining soil components were scaled to represent 100% of the map unit and weighted accordingly in the calculation of the map unit average. Values for map units dominated by non-soil material, or with more than 50% as ‘Miscellaneous area’ were set to null. <p><strong>Use Limitations: </strong>This dataset is not designed for use as a primary regulatory tool in permitting or siting decisions, but may be used as a reference source. This is public information and may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any authority for the decisions that they make. The Natural Resources Conservation Service will not perform any evaluations of these maps for purposes related solely to State or local regulatory programs. Digital data files are periodically updated. Files are dated, and users are responsible for obtaining the latest version of the data.<br/> <strong>Scale Range: </strong>Maximum (zoomed in) 1:24,000, Minimum (zoomed out) 1:1,500,000<br/> <strong>Citations: </strong>Bliss, N., Thompson, J., Hempel, J., Libohova, Z., 2017. GlobalSoilMap Version 0.5: Soil property maps from the State Soil geography (SSURGO) Database filled in with General Soil Map Database (STATSG02) database for the lower 48 states, USA.<br/> <strong>Purpose: </strong>Providing the public with a GSM v0.5 total clay theme service.</strong><br/> <strong>Creation Date: </strong>2015<br/> <strong>Publication Date: </strong>20180124<br/> <strong>Revision Date: </strong>20180410<br/> <strong>Refresh Cycle: </strong>Final product.<br/> <strong>Version: </strong>2.0.0<br/> <strong>Change Log: </strong>Added high, low, and representative estimates. Description edits.<br/> <strong><a href="mailto:usdanrcs@midatl.service-now.com?Subject=GEOSRV" target="_top">Report Service Errors</a></strong><br/> <strong><a href="SoilsHotline@lin.usda.gov?Subject=Global Soils v0.5 on nrcsgeoservices " target="_top">Report Data Issues or Questions</a></strong><br/>
Subject: Total Clay derived from Version 0.5 of GSM for United States based on SSURGO filled in with STATSGO2 for missing SSURGO data.
Category:
Keywords: GlobalSoilMap,Soil,Properties,raster,gridded,soils,properties,total,clay,standard,depths
AntialiasingMode: None
TextAntialiasingMode: Force

Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



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