This dataset will be more fully documented in 23 AES publications scheduled for completion in winter of 99/00. These publications will use the designation AES Bulletin B-1071 followed by a two letter abreviation for each county.
Larry C. Munn and Christopher S. Arneson, 1999, Draft 1:100,000-Scale Digital Soils Map of Weston County: University of Wyoming Agricultural Experiment Station.Online Links:
This is a Vector data set. It contains the following vector data types (SDTS terminology):
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest .001. Longitudes are given to the nearest .001. Latitude and longitude values are specified in Decimal Degrees.
The horizontal datum used is North American Datum of 1983.
The ellipsoid used is GRS1980.
The semi-major axis of the ellipsoid used is 6378206.4.
The flattening of the ellipsoid used is 1/294.98.
WC01 Ustic Torriorthents, loamy, mixed, mesic, shallow- Ustic Torriorthents, clayey, mixed, mesic, shallow- Rock Outcrop.
WC02 Ustic Haplargids, fine-loamy, mixed, mesic- Ustic Haplargids, fine-loamy, mixed, mesic.
WC03 Ustic Haplargids, fine-loamy, mixed, mesic- Ustic Haplargids, fine-loamy, mixed, mesic- Ustic Haplargids, coarse-loamy, mixed, mesic- Ustic Torriorthents, coarse-loamy, mixed, mesic- Ustic Torriorthents, loamy, mixed, mesic shallow.
WC04 Ustic Torriorthents, clayey, mixed, mesic shallow- Ustic Haplocambids, very fine, mixed, mesic- Ustic Torriorthents, clayey, mixed, mesic shallow.
WC05 Ustic Torriorthents, clayey, mixed (calc), mesic, shallow- Ustertic Torriorthents, fine, smectitic (calc), mesic- Ustic Torriorthents, clayey, mixed, mesic, shallow
WC06 Ustic Haplocambids, fine, smectitic, mesic- Haplustic Natrargid fine, smectitic, mesic- Ustertic Torriorthents, fine, smectitic (calc), mesic.
WC07 Ustic Torrifluvents, fine-loamy, mixed (calc), mesic- Ustic Paleargids, fine, smectitic, mesic- Ustic Torrifluvents, coarse-loamy, mixed, mesic.
WC08 Ustic Torriorthents, clayey, mixed, frigid, shallow- Ustic Haplocambids, very fine, mixed, frigid- Ustic Torriorthents, clayey, mixed, frigid, shallow.
WC09 Lithic Ustic Torriorthents, loamy, mixed, frigid, shallow- Typic Eutrustalfs, fine-loamy, mixed, frigid- Aridic Argiustolls, fine-silty, mixed, frigid.
WC10 Aridic Argiustolls, fine-silty, mixed, frigid- Ustic Torriorthents, coarse-silty, mixed, frigid- Lithic Haplustolls, loamy, mixed, frigid, shallow.
WC11 Typic Eutrustalfs, fine, smectitic, frigid- Typic Eutrustalfs, loamy-skeletal, mixed, frigid- Typic Eutrustalfs, fine-loamy, mixed, frigid.
WC12 Lithic Ustic Torriorthents, loamy, mixed, mesic, shallow- Typic Haplargids, fine-loamy, mixed, mesic- Aridic Argiustolls, fine-silty, mixed, mesic
SMU Rating Rech % WC01 9 2 WC02 5 2 WC03 6 1 WC04 7 2 WC05 8 2 WC06 3 1 WC07 4 1 WC08 7 2 WC09 6 8 WC10 7 6 WC11 4 12 WC12 6 2
Chris Arneson
Spatial Data and Visualization Center
Box 3355 University Station
Laramie, Wyoming 82071
USA
307-766-2735 (voice)
n/a
- Hours_of_Service: 8 AM to 5 PM MST
This layer was originally created specifically for use in the Wyoming Ground-Water Vulnerability Mapping Project being conducted at the Wyoming Water Resources Center, a statewide study of aquifer vulnerability to contamination from pesticides. In that context, it was to be used to assist in the generation of a rating map of how soils affect aquifer sensitivity to surface contaminants.The Soils of Wyoming layers can be used, however, for many other purposes. It is intended to supplement other existing 1:100,000 scale digital natural resource layers of the state. Please see Use-Constraints for more details.
Wyoming State Geological Survey, 1998, Wyoming Digital Surficial Geology; <URL:http://www.sdvc.uwyo.edu/clearinghouse/metadata/surfgeol.html>.
US Geological Survey, Denver Center, 1994, Digital Bedrock Geology for Wyoming; <URL:http://www.sdvc.uwyo.edu/clearinghouse/metadata/bedgeol.html>.
USGS, unknown, 3-arc-second (90m) Digital Elevation Model for Wyoming; <URL:http://www.sdvc.uwyo.edu/clearinghouse/metadata/dem90m.html>.
The soil map presented here differs from the STATSGO map developed by the Natural Resource Conservation Service (National Cartographic and GIS Center, 1998) in several ways. The STATSGO maps were developed by generalizing existing detailed soil surveys and were prepared on a 1:250,000-scale topographic map base. The mapping units in the STATSGO map contain from one to 21 components, and the soils components are represented at the series level. The STATSGO map provides a somewhat more detailed description of the soils in the state, with consequent complexity in interpretations. The detailed maps from which the STATSGO map was generalized were produced by numerous scientists over a thirty year time span. The surficial geology map of the state and the state bedrock geology map were not available in electronic form when these maps were produced and the original mapping was done on aerial photographs.
The scale of 1:100,000 used for this map was specified by the larger Wyoming Ground-Water Vulnerability Mapping Project (Hamerlinck and Arneson 1998). The maps are based on a simplification of the five soil forming factor model. Climate is proxied by elevation. This was derived from the 3-arc-second USGS Digital Elevation Model for the state. There is a strong correspondence between elevation and precipitation in the state, and temperature regimes can also generally be characterized by elevation. Vegetation is also closely tied to elevation, through its effect on precipitation and temperature. Three temperature regimes are mapped in Wyoming: cryic in the higher mountains; frigid in the foothills, the high plains along the Rocky Mountain front, low mountains and high intermountain basins; and mesic in lower elevation basins and the Great Plains See Appendix in the report for definitions of temperature regimes). There are small areas of a fourth temperature regime (pergelic) at elevations above 10,000 feet in the highest mountains in the state. Soil parent material is derived from the digital version of the state geology map (Green and Drouillard 1994) and the state surficial geology map by Case, Arneson, and Hallberg (1998). Vegetation is inferred from climate, slope, and parent material. Time, or soil age, is inferred from elevation and surficial geology. The topographic factor is inferred from elevation, surficial geology and bedrock geology. All the analysis of these layers was conducted using conducted using ARC/INFO Geographic Information System software on a Silicon Graphics UNIX workstation.
For a complete list of references, please refer to the published reports.
Hudson, B.D. 1992. The soils survey as a paradigm-based science. Soil Sci. Soc. Am. J. 56:838-841.
Hamerlinck, J.D., and Arneson, C.S., editors, 1998, Wyoming Ground- Water Vulnerability Assessment Handbook: Volume 1. Background, Model Development, and Aquifer Sensitivity Analysis: Spatial Data and Visualization Center Publication SDVC 98-01-1, University of Wyoming, Laramie, WY.
Green, G.N. and P.H. Drouillard. 1994. The Digital Geologic Map of Wyoming in ARC/INFO Format. U.S. Geological Survey Open File Report 94-0425.
Jenny, H. 1941. Factors of Soil Formation. New York: McGraw-Hill.
National Cartographic And GIS Center. 1998. STATSGO-Wyoming. USDA- Natural Resource Conservation Service. Fort Worth, TX
see Process Steps
see Process Steps
All polygons are fully attributed.
All polygons are closed and each polygon has one unique label.
Are there legal restrictions on access or use of the data?
- Access_Constraints: none
- Use_Constraints:
- This data is currently in draft form and should not be used for any purpose without first contacting the authors. A final, usable version will be produced in Summer99 and will include a full hardcopy AES publication. This dataset may not be redistributed or repackaged in any form without the express written consent of the University of Wyoming Spatial Data and Visualization Center and the Department of Renewable Resources.
This map provides a generalized description of soils within each county of Wyoming. Soils are highly variable, both on a regional basis (plains, mountains, basins) and locally with changes in topography (north versus south slopes, side slopes versus ridge crest or foot slope positions), vegetation, climate, and geology. This map should be used for broad scale planning and general assessment of large areas of land. It should not be used for site specific interpretations such as site selection for an underground fuel storage tank or the development of management plans for individual farm fields. Such site intensive land uses require much more detailed soils information than is provided by this map.
Data Manager
Spatial Data and Visualization Center
Box 4008 University Station
Laramie, Wyoming 82071
USA
307-766-2735 (voice)
n/a
The distributor shall not be held liable for improper or incorrect use of this data, based on the description of appropriate/inappropriate used described in this metadata document. The distributor makes no claims for the data's suitability for other purposes.
| Data format: | ARCE (Arc/Info export) (version 7.0.4) |
|---|---|
| Network links: |
see access instructions |
No fees are required for downloading the data that is on-line. Some fees may be required to cover costs of tapes if data is required on tape media.
Margo Berendsen
Box 4008 University Station
Laramie, Wyoming 82071
USA
307-766-2751 (voice)
meh@uwyo.edu
