Metadata: Montana Annual C Factor

Identification Information:

Citation:

Originator: Natural Resources Conservation Service Montana State Office

Publication date: 1/28/2009

Title:

Annual C Factor Map-Montana

Publication place: Bozeman, Montana

Publisher: NRCS Montana State Office

Online linkage: http://efotg.nrcs.usda.gov

Abstract:

The climatic factor, characterizes climatic erosivity, specifically wind-speed and surface soil moisture. The factor for any given locality is expressed as a percentage of the C factor for Garden City, Kansas, which has a value of 100.

Purpose:

For display of C factor values across Montana and input into decision processes that require knowledge of climatic erosivity.

Time period of content:

Beginning date:

Ending date:

Currentness reference: 1987

Status:

Progress: complete

Use constraints:

This data should be used for planning purposes only. This data set is provided "as-is" without warranty of any kind. The NRCS makes no representations or warranties whatsoever with respect to the accuracy or completeness of this data set and assumes no responsibility for the suitability of this data set for a particular purpose; and NRCS will not be liable for any damages incurred as a result of errors in this data set.

Point of contact:

Michael Hansen

Natural Resources Conservation Service Montana Office

10 East Babcock, Room 443

Bozeman, MT 59715-4704

Telephone: 406-587-6960

E-Mail: michael.hansen@mt.usda.gov

Data Quality Information:

Lineage:

Source information:

Originator: NRCS Montana State Office

Title: Annual C Factor Map Montana

Publication place: Bozeman, Montana

Publisher: NRCS Montana State Office

Online linkage: http://efotg.nrcs.usda.gov

Source scale denominator: 500 Meter resolution data

Process step:

Digitized C Factor lines from 1987 Annual C Factor Map Montana and attributed with appropriate C Factor.

Process step:

Interpolated Montana C Factors from digitized isolines.

Spatial Reference Information:

Horizontal coordinate system definition:

Grid coordinate system name: NAD 1983 State Plane Coordinate System

SPCS zone identifier: 2500

Lambert conformal conic:

Standard parallel: 45

Standard parallel: 49

Longitude of central meridian: -109.5

Latitude of projection origin: 44.25

False easting: 600000

False northing: 0

Planar distance units: meters

Geodetic model:

Horizontal datum name: North American Datum of 1983

Entity and Attribute Information:

Attribute label: Pixel value

Attribute definition: C Factor value

Distribution Information:

Distributor:

Natural Resources Conservation Service Montana Office

10 East Babcock, Room 443

Bozeman, MT 59715-4704

Telephone: 406-587-6960

E-Mail: michael.hansen@mt.usda.gov

Resource description: Downloadable Data

Distribution liability:

This data should be used for planning purposes only. This data set is provided "as-is" without warranty of any kind. The NRCS makes no representations or warranties whatsoever with respect to the accuracy or completeness of this data set and assumes no responsibility for the suitability of this data set for a particular purpose; and NRCS will not be liable for any damages incurred as a result of errors in this data set.

Standard order process:

Digital form:

Format name: TIFF Format

Online option: http://efotg.nrcs.usda.gov/

Metadata Reference Information:

Metadata date: 12/14/2009

Metadata contact:

John Flocke

Natural Resources Conservation Service Montana Office

10 East Babcock, Room 210

Bozeman, MT 59715-4704

Telephone: 406-587-6747

E-mail: john.flocke@mt.usda.gov