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WaPOR Database methodology: Level 3 data

Using remote sensing in support of solutions to reduce agricultural water productivity gaps

Year of publication 2019

Place of publication Rome, Italy ;

Pages 72 p.

Author FAO

Publisher FAO ;

Product type Book (stand-alone)

ISBN 978-92-5-131341-1

Edition 1

Synopsis (short abstract) This documents describes the methodology applied for producing the WaPOR database at sub-national level (Level 3, 30 m resolution). WaPOR is the FAO portal to monitor Water Productivity through Open access of Remotely sensed derived data, and it monitors and reports on agriculture water productivity over Africa and the Near East through a dedicated online portal: http://www.fao.org/in-action/remote-sensing-for-water-productivity/wapor/en/ The aim of this document is to provide the theory that underlies the methods used to produce the different data components published through WaPOR. This document complements the methodology behind Level 1 and 2 data, published in September and October 2018 respectively, with Level 3 methodology.

Language English

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    This documents describes the methodology applied for producing the WaPOR database at Level 2. WaPOR is the FAO portal to monitor Water Productivity through Open access of Remotely sensed derived data, and it monitors and reports on agriculture water productivity over Africa and the Near East through a dedicated online portal: http://www.fao.org/in-action/remote-sensing-for-water-productivity/wapor/en/ The FAO portal to monitor Water Productivity through Open access of Remotely sensed derived data (WaPOR) monitors and reports on agriculture water productivity over Africa and the Near East. The beta version of WaPOR is available online at: http://www.fao.org/in-action/remote-sensing-for-water-productivity/en/ since April 2017. The aim of this document is to provide the theory that underlies the methods used to produce the different data components published through WaPOR. This document complements the methodology behind Level 1 data, published in May 2017, with Level 2 data.
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    The FAO portal to monitor Water Productivity through Open Access of Remotely sensed derived data (WaPOR) provides, as of today, access to 11 years of continued observations over Africa and the Near East. The portal provides open access to various spatial data layers related to land and water use for agricultural production and allows for direct data queries, time series analyses, area statistics and data download of key variables to estimate water and land productivity gaps in irrigated and rain fed agriculture. WaPOR Version 2 was launched in June 2019 based on extensive internal and external validation and quality assessment. This document describes the methodology used to produce Version 2 of the data at the 250m (Level 1), 100m (Level 2) and 30m (Level 3) resolution distributed through the WaPOR portal.
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    This documents describes the methodology applied for producing the WaPOR database at Level 1. WaPOR is the FAO portal to monitor Water Productivity through Open access of Remotely sensed derived data, and it monitors and reports on agriculture water productivity over Africa and the Near East through a dedicated online portal: http://www.fao.org/in-action/remote-sensing-for-water-productivity/wapor/en/
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