USDA, National Agricultural Statistics Service, Cropland Data Layer for the United States
Entry ID: USDA_NASS_CROPLAND

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Summary
Abstract: The USDA, NASS Cropland Data Layer (CDL) is a raster, geo-referenced, crop-specific land cover data layer with a ground resolution of 30 meters. The CDL is produced using satellite imagery from the Indian Remote Sensing RESOURCESAT-1 (IRS-P6) Advanced Wide Field Sensor (AWiFS) collected during the current growing season. Some Cropland Data Layer states used Landsat 5 TM and/or Landsat 7 ETM+ ... View entire text

Purpose: The purpose of the Cropland Data Layer Program is to use satellite imagery to (1) provide acreage estimates to the Agricultural Statistics Board for the state's major commodities and (2) produce digital, crop-specific, categorized geo-referenced output products.
Related URL
Description: Download the Cropland Data Layer for the United States.
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Geographic Coverage
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Spatial coordinates   
  N: 74.0   S: 22.0   E: -46.0   W: -170.0

Data Set Citation
Dataset Originator/Creator: United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS), Research and Development Division (RDD), Geospatial Information Branch (GIB), Spatial Analysis Research Section (SARS)
Dataset Title: USDA, National Agricultural Statistics Service, Cropland Data Layer for the United States
Dataset Release Date: 2011-01-10
Dataset Release Place: USDA, NASS Marketing and Information Services Office, Washington, D.C.
Dataset Publisher: USDA, NASS
Version: 2011
Online Resource: http://www.nass.usda.gov/research/Cropland/SARS1a.htm
Temporal Coverage
Start Date: 2010-01-01
Stop Date: 2010-12-31
Data Resolution
Latitude Resolution: 30m
Longitude Resolution: 30m
Horizontal Resolution Range: 30 meters - < 100 meters
Quality The strength and emphasis of the CDL is crop-specific land cover categories. The accuracy of the CDL non-agricultural land cover classes is entirely dependent upon the USGS, National Land Cover Dataset (NLCD 2001). Thus, the USDA, NASS recommends that users consider the NLCD for studies involving non-agricultural land cover.

The official DVD contains additional accuracy ... View entire text
Access Constraints None
Use Constraints The USDA, NASS Cropland Data Layer is provided to the public as is and is considered public domain and free to redistribute. The USDA, NASS does not warrant any conclusions drawn from these data. If the user does not have software capable of viewing GEOTIF (.tif) or ERDAS Imagine (.img) file formats then we suggest using the freeware browser ESRI ArcGIS Explorer http://www.esri.com/software/arcgis/explorer/.
Data Set Progress
COMPLETE
Data Center
National Agricultural Statistics Service, U. S. Department of Agriculture Supplemental Info
Data Center URL: http://www.nass.usda.gov/index.asp

Data Center Personnel
Name: NASS USDA/ERS
Phone: 1-800-999-6779
Fax: 1-703-834-0110
Email: nass at nass.usda.gov
Contact Address:
USDA ERS-NASS
341 Victory Drive
City: Herndon
Province or State: VA
Postal Code: 22070
Country: USA
Distribution
Distribution Media: Online
Fees: No fees
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Personnel
Role: TECHNICAL CONTACT
Phone: 703-877-8000
Email: HQ_RDD_GIB at nass.usda.gov
Contact Address:
3251 Old Lee Highway, Room 305
City: Fairfax
Province or State: VA
Postal Code: 22030-1504
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2010-06-07
Last DIF Revision Date: 2011-04-22
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