This rasterformatted and georeferenced product has been widely used in such applications as disaster assessments, land cover and land use research, agricultural sustainability studies, and. Cropland data layer 2018, minnesota the united states department of agriculture usda, national agricultural statistics service nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer. The geospatial data gateway gdg provides access to a map library of over 100 high resolution vector and raster layers in the geospatial data warehouse. The usda nass 2005 north dakota cropland data layer is a raster, georeferenced, categorized land cover data layer produced using satellite imagery from the thematic mapper tm instrument on landsat 5 and the indiana remote sensing irs advanced wide field sensor awifs. The cdl is produced using satellite imagery from the landsat 8 olitirs sensor, the disaster monitoring constellation dmc deimos1 and uk2, the isro resourcesat2 liss3, and the esa. The major land uses mlu series is the longest running, most comprehensive accounting of all major uses of public and private land in the united states. Enhanced highresolution official usda plant hardiness gis data are available in shapefile and raster grid formats from climate source, inc. I have downloaded a userdefined subset of the cropland data layer from cropscape. Web soil survey wss provides soil data and information produced by the national cooperative soil survey. The provided cautions and recommendations serve as a guide for further development. The cropland data layer cdl, hosted on cropscape, provides a. The usda, nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer. The usda, nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer with a ground resolution of 56 meters.
This was because in 2010, the united states department of agriculture usda cropland data layer cdl johnson and mueller, 2010 was available for all of the conus, and also the landsat 5 and 7. Cropscape is the public user interface for the national land cover geospatial data product called cropland data layer cdl. The cropland data layer cdl contains crop and other specific land cover classifications obtained using remote sensing for the conterminous united states. The usda, nass cropland data layer cdl is a raster, georeferenced, cropspecific land. Usda works everyday to strengthen the american agricultural economy. Reach catchment information characterizes data at the local scale. A systematic crop underestimation bias may confound analyses if not corrected.
Problem importing usda crop data layer gtiff in r using. I suspect the problem is that the gtiff is categorical data land use categories rather than true ordinal spectral data, but i dont understand why it would render fine in an image editor e. A license to download and use these datasets can be obtained by visiting the climate source website. The list of acronyms and abbreviations related to cdl cropland data layer. Cropland data layer provides a raster, georeferenced, cropspecific land cover map for the continental united states. Cropland data layer provides a raster, georeferenced, cropspecific land cover. The images are a useful tool for monitoring crop rotation patterns, land use changes, water resources and carbon emissions. Acrevalue provides crop history from the nass cropland data layer cdl. The usdanass 2005 north dakota cropland data layer is a raster, georeferenced, categorized land cover data layer produced using satellite imagery from the thematic mapper tm instrument on landsat 5 and the indiana remote sensing irs advanced wide field sensor awifs. The united states department of agriculture usda, national agricultural statistics service nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer. To use the underlying atlas data in a gis, the data from this spreadsheet. Termed the cropland data layer, the product depicts type and location for crops planted during the summer 2009 growing season. The cdl is produced using satellite imagery from the indian remote sensing resourcesat1 irsp6 advanced wide field sensor awifs collected during the current growing season.
United states department of agriculture usda national agricultural statistics service nass used remote sensing to produce a landuse landcover data product for iowa called the cropland data layer cdl. The mlu series contains acreage estimates of major uses for the u. Usda national agricultural statistics service cropland. The usdanass cropland data layer cdl is an annual raster, georeferenced, cropspecific land cover data layer. It is the one stop source for environmental and natural resources data, at any time, from anywhere, to anyone. Download cropland data layer geospatial metadata by state. The method upon which the program is based is described in. The usda, nass cropland data layer cdl is a raster, georeferenced, crop specific land cover data layer. The most frequently downloaded datasets are available for direct download without placing an order. Cropscape and cropland data layer national download. I am using arcgis to view my download, but there is no histogram.
The cdl is a raster, georeferenced, crop specific land cover data layer created annually for the continental united states using moderate resolution satellite imagery and extensive agricultural ground truth. The documentation section provides complete information on data sources and definitions. View the list on the right for links to those resources, and see more indepth information on this page about these websites and apps. Usda national agricultural statistics service information. The cdl program began with one state in 1997 and expanded to cover the entire continental united states in 2008.
Pdf measuring landuse and landcover change using the u. Providing central access to usda s open research data. The usda nass cropland data layer program transition from research to. The cdl is produced using satellite imagery from the landsat 8 olitirs sensor and the disaster monitoring constellation dmc. The boundary layer options provided are county, agricultural statistics districts asd, state, and region. Changes of crop rotation in iowa determined from the united states department of agriculture, national agricultural statistics service cropland data layer product author. Presented is a list of common tasks performed during lulcc mapping, descriptions of related. The imagery was collected between may 4, 2002 and september 12, 2002. It is operated by the usda natural resources conservation service nrcs and provides access to the largest natural resource information system in the world. Limitations of the usda cropland data layer for monitoring land cover and land use change lulcc. Despite the difficult economic climate of the past years, our efforts coupled with the 2008 farm bill, the recovery act, and the hard work and resilience of americas farmers and ranchers are helping american agriculture lead the nations recovery.
The geospatial data product called the cropland data layer cdl is hosted on cropscape. This dataset can be linked to the nhdplus version 2 data suite by the unique identifier comid. The cdl is produced using satellite imagery from the landsat 8 olitirs sensor and the disaster monitoring constellation dmc deimos1 and uk2 sensors collected during the current. Cropland includes areas used for the production of adapted crops for harvest. The source data is the 2014 crop land data layer produced by the united states department of agriculture usda national agricultural statistics service nass, 2015. The cdl is a raster, georeferenced, cropspecific land cover data layer created annually for the continental united states using moderate resolution satellite imagery and extensive agricultural ground truth. These crop specific, digital data layers are suitable for use in geographic information systems gis applications.
The cdl also includes a crop mask layer and planting frequency layers, as well as boundary, water and road layers. Cropland data layer 2016, minnesota resources minnesota. Children shopping with a parent in a grocery store. Cultivated cropland comprises land in row crops or closegrown crops and also other cultivated cropland, for example, hay land or pastureland that is in a rotation with row or closegrown crops. The cdl is a raster, georeferenced, cropspecific land cover data layer created annually for the continental united states using moderate resolution. Nass publications cover a wide range of subjects, from traditional crops, such as corn and wheat, to specialties, such as mushrooms and flowers. Department of agriculture, national agricultural statistics service nass, research and development division, geospatial information branch, spatial analysis research section sars. Cropscape cropland data layer the cropland data layer cdl, hosted on cropscape, provides a raster, georeferenced, crop specific land cover map for the continental united states. The 2011 cropland data layer products, which are derived from satellite image observations at 30meter 0.
Utilizing identified good practices can quantifiably improve accuracy of results. All data included in the food access research atlas are aggregated into an excel spreadsheet for easy download. The purpose of the illinois cropland data layer program is to use satellite imagery on an annual basis to provide supplemental acreage estimates for the states major commodities, and to produce digital, crop specific, categorized georeferenced output products. Usdanass 2017 north dakota cropland data layer north. The annual cropland summary table has been consistently maintained since 1910.
Usda does not guarantee the suitability of the program for data analysis. Change in california farmland using cropland data layer. Cropland data layer provides a raster, georeferenced, crop specific land cover map for the continental united states. Find where your food is grown using nass cropland data layer. These data have proven valuable to usda policy officials in providing geographic location and monitoring information for vegetation condition in crop areas. Changes of crop rotation in iowa determined from the. This is the 2018 nass usda cdl dataset for minnesota.
The usda, nass cropland data layer cdl is a raster, georeferenced, crop specific land cover data layer with a ground resolution of 56 meters. Not all land cover categories listed below will appear in an individual state. A tool to identify agriculture type and location each pixel represents a type of crop or land cover. Usda research and science cropscape and cropland data layer. Usdanass 2010 north dakota cropland data layer data. Over time, nass has expanded the number of states for which a cdl was created. The national agricultural statistics services mission is to serve the united states, its agriculture, and its rural communities by providing meaningful, accurate, and objective statistical information and services. Cropscape cropland data layer the cropland data layer cdl, hosted on cropscape, provides a raster, georeferenced, cropspecific land cover map for the continental united states. Department of agricultures usda national agricultural statistics service nass today released updates to its online geospatial exploring tool, cropscape.
Measuring landuse and landcover change using the u. Cropscape cropland data layer ag data commons usda. The cropland data layer cdl is a product of the usda national agricultural statistics service nass with the mission to provide timely, accurate and useful statistics in service to u. The following is a crossreference list of the categorization codes and land covers used in all states involved in the cropland data layer program. Despite the difficult economic climate of the past years, our efforts coupled with the 2008 farm bill, the recovery act, and the hard work and resilience of americas farmers and ranchers. Deriving 2011 cultivated land cover data sets using usda national agricultural statistics service historic cropland data layers. The imagery was collected between the dates of 04222005 and 09202005. The national agricultural statistical service nass recently released a cropspecific land cover classification product encompassing the entire conterminous us. Cropland data layer cdl are satellite images depicting agricultural land cover.
For example, based on crop rows, streams, roads, forest, and houses the landuse within the sampling zone was identified. Research and science cropland data layer releases usda nass. Usda national agricultural statistics service research. The data is available free for download through cropscape at.
Client data layer mashup capability to add data by user multiyear crop acreage statistical change graphics for state, county, or area feasibility study for hosting on commercial cloud computing service, such as amazon cloud. Usda national agricultural statistics service research and. Questions about priprobit and requests for support for priprobit should be addressed to dr. Usdanass cropland data layer illinois 2007 clearinghouse. The agency has the distinction of being known as the fact finders of u.
The dominant landuse was based on information within and outside the sampling zone. Usda national agricultural statistics service cropland data layer. There are currently four individual crop frequency data layers that represent four major crops. Usda national agricultural statistics service iowa. This is the 2016 nass usda cdl dataset for minnesota. It allows you to choose your area of interest, browse and select data, customize. Usdanass 2015 north dakota cropland data layer north. The 2019 crop frequency layer identifies crop specific planting frequency and are based on land cover information derived from the 2008 through 2019 cdls. Cropland data layer 2018, minnesota resources minnesota.
Ag data commons providing central access to usdas open. Users can download the national 2008 2019 cdls and the 2017, 2018 and 2019 confidence layers from national downloads. Whether you are interested in seeing whats grown in your area or you are a researcher with more in depth informational needs, nasss cropscape is a valuable tool for you. The usda nass cropland data layer cdl is an annual raster, georeferenced, crop specific land cover data layer. Nrcs has numerous websites and mobile applications that are rich in data on soils, water, air, energy, and other natural resources. Oct 23, 2015 using cropscape crop land data layer nwcag.
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