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tóng-àn:Desertification map.png

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全解析度(6,800 × 4,400 像素,檔案佔量: 1.04 MB,MIME類型: image/png

Khài-iàu

Soat-bêng
English: Global Desertification Vulnerability Map
  • About the Map: The Desertification Vulnerability map is based on a reclassification of the global soil climate map and global soil map.
  • Possible Uses of the Map: Useful for teachers and students who are interested in the global distribution of desertification vulnerability. Global modelers may be able to use the data for small scale analysis.
Ji̍t-kî
Chhut-chhù https://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/nedc/training/soil/?cid=nrcs142p2_054003
Chok-chiá USDA employee
授權允准
(Bô siŏh-huòi sāi ciā ùng-giông)
This image is a work of a United States Department of Agriculture employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain.
其他版本 العربيَّة

Data

  • Source: Soil map and soil climate map, USDA-NRCS, Soil Survey Division, World Soil Resources, Washington D.C.
  • Data Aggregation and Reliability: The Desertification Vulnerability map data is rasterized on a 2 minute grid cell.
  • Data Definitions: Four vulnerability classes are defined based on soil climate and soil classification.
  • Data Disclaimer: Country boundaries are not authoritative.
  • Database Manager: Paul Reich, Geographer, World Soil Resources. Email: paul.reich@usda.gov

Map Production Information

  • Map Identification: desert.jpg
  • Production Date: 1998
  • Geographic Coverage: Global
  • Projection: Geographic
  • Minimum Scale: 1:5,000,000

Siū-khoân

Public domain
本圖像是美國農業部人員的職務作品。作為美國聯邦政府的作品,本圖像屬於公有領域

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