File:Niger ag land use map USGS.png
Niger_ag_land_use_map_USGS.png (800 × 267 pixels, file size: 131 KB, MIME type: image/png)
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Summary
[edit]DescriptionNiger ag land use map USGS.png |
English: Niger, Cropland Use Indicator, drawn from Normalized Difference Vegetation Index (NDVI) data, for period 1986-1988. Scale is:
1= 70% - 100% Crop coverage 2= 50% - 70% Crop coverage 3= 30% - 50% Crop coverage 4= 5% - 30% Crop coverage 5= 0% - 5% Crop coverage Covering southern (Sahelian) Niger. Only cropland excluded would be highly localized oasis and Air Mountain farming in the north of the country. "METADATA FOR Niger, Cropland Use
Publication_Date: 1986-1988 Title: Landsat 1, 2, 4 MSS Composite Geospatial_Data_Presentation_Form: map Series_Information: Publication_Information: Publication_Place: Sioux Falls, SD, USA Publisher: EDC Other_Citation_Details: Scale - 1:200,000 / 20 sheets Online_Linkage: Larger_Work_Citation: Scale_Denominator: 200,000 Description: Abstract: This coverage was created to allow for the accumulation and graphic presentation of data linked to cropped lands in the African country of Niger. Niger is associated with the Sahel Region. Keywords: CUI, Crop Use Intensity, Niger, NG, Africa, Sahel region. Purpose: This data set was developed as a tool and is to be used to monitor crop conditions and crop production. It was designed to be used in conjunction with Normalized Difference Vegetation Index (NDVI) data. In addition, the data may be used to disaggregate agricultural and/or population statistics spatially. Supplemental_Information: Procedures_Used: The agricultural overlay was prepared through interpretation of Landsat 5 Mulitspectral Scanner (MSS). Landsat MSS bands 1, 2 and 4, corresponding to multispectral bands green, red and near infra-red, are represented by the primary colors blue, green and red respectively (standard false-color composite). The data is subjectively based upon the interpreters knowledge and ancillary data. The data lacks complete ground truth by field checking. Revisions: This data set has been altered to conform to the standard boundary file chosen for Niger, Africa. The ARC IDENTITY utility was used to conform the CUI data set to the country's ADMIN1 boundary. file. The resulting file was then processed to eliminate un-labeled polygons along the international boundary using the ARC ELIMINATE command. Reviews_Applied_to_Data: Related_Spatial_and_Tabular_Data_Sets: Other_References_Cited: United States Geological Survey (USGS)/EROS Data Center (EDC), "Landsat MSS Composite." EDC, Sioux Falls, SD, USA. 1986-1988. 20 map sheets. Scale - 1:200,000. USGS/EDC, "Niger Crop Use Intensity," Series: CUI. EDC, Sioux Falls, SD, USA. August 13, 1992. Scale - 1:250,000. USGS/EDC, "MSS Imagery." EDC, Sioux Falls, SD, USA. Scale - 1:250,000. Environmental Systems Research Institute (ESRI), "Digital Chart of the World," Series: International Boundary. ESRI, Redlands, CA, USA. 1992. Scale - 1:1.000.000. Notes: Time_Period_of_Content: Range_of_Dates/Times: Currentness_Reference: The MSS Imagery was from 1986-1988. The development of this data set was August 13, 1992. " Metadata available at http://earlywarning.usgs.gov/ftp2/vector/cuil/ngcuil.html Image available at USGS data site:http://earlywarning.usgs.gov/adds/geodatas1.php?area=ng |
Date | |
Source | http://igskmncnwb015.cr.usgs.gov/ftp2/vector/cuil/ngcuil.gif |
Author | United States Geological Survey |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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current | 17:13, 26 February 2009 | 800 × 267 (131 KB) | T L Miles (talk | contribs) | {{Information |Description={{en|1=Niger, Cropland Use Indicator, drawn from Normalized Difference Vegetation Index (NDVI) data, for period 1986-1988. Scale is: 1= 70% - 100% Crop coverage 2= 50% - 70% Crop coverage 3= 30% - 50% Crop coverage 4= 5% - 30% C |
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