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Discussion papers | Copyright
https://doi.org/10.5194/se-2017-121
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review article 01 Nov 2017

Review article | 01 Nov 2017

Review status
This discussion paper is a preprint. It has been under review for the journal Solid Earth (SE). A final paper in SE is not foreseen.

A review of the available cropland and land cover maps for South Asia

Prashant Patil Prashant Patil
  • Remote Sensing & GIS Division, International Crops Research Institute for the Semi - Arid Tropics (ICRISAT) , Patancheru, 502324, India

Abstract. A lack of accuracy, uniqueness, and systematic classification of cropland categories, together with long-pending updates of cropland mapping, are the primary challenges that need to be addressed in developing high-resolution cropland maps for south Asia. In this review, we identify the major concerns, particularly the paucity of knowledge regarding the spatial distribution of major crop types within south Asia, which hinder policy and strategic investment and delay efforts to improve food security for a rapidly growing human population at a time of constant market instability and changing global climate. We specifically focus on the various available land cover and cropland maps at national and regional scales in south Asia and at the global scale, and describe the classification methods and approaches used for satellite images of different spatial resolution at different scales. The overall focus of this paper is to review the need for timely updated high-resolution cropland maps of south Asia.

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Prashant Patil
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Prashant Patil
Prashant Patil
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A lack of accuracy, uniqueness, and systematic classification of cropland categories, together with long-pending updates of high-resolution cropland mapping, are the primary challenges that need to be addressed in developing high-resolution cropland maps for South Asia. In this review, we identify the major concerns, particularly the paucity of knowledge regarding the spatial distribution of major crop types within south Asia.
A lack of accuracy, uniqueness, and systematic classification of cropland categories, together...
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