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Quantitative mapping of global land degradation using Earth observations


De Jong, R; De Bruin, S; Schaepman, M E; Dent, D (2011). Quantitative mapping of global land degradation using Earth observations. International Journal of Remote Sensing, 32(21):6823-6853.

Abstract

Land degradation is a global issue on par with climate change and loss of biodiversity, but its extent and severity are only roughly known and there is little detail on the immediate processes – let alone the drivers. Earth-observation methods enable monitoring of land degradation in a consistent, physical way and on a global scale by making use of vegetation productivity and/or loss as proxies. Most recent studies indicate a general greening trend, but improved data sets and analysis also show a combination of greening and browning trends. Statistically based linear trends average out these effects. Improved understanding may be expected from data-driven and process-modelling approaches: new models, model integration, enhanced statistical analysis and modern sensor imagery at medium spatial resolution should substantially improve the assessment of global land degradation.

Abstract

Land degradation is a global issue on par with climate change and loss of biodiversity, but its extent and severity are only roughly known and there is little detail on the immediate processes – let alone the drivers. Earth-observation methods enable monitoring of land degradation in a consistent, physical way and on a global scale by making use of vegetation productivity and/or loss as proxies. Most recent studies indicate a general greening trend, but improved data sets and analysis also show a combination of greening and browning trends. Statistically based linear trends average out these effects. Improved understanding may be expected from data-driven and process-modelling approaches: new models, model integration, enhanced statistical analysis and modern sensor imagery at medium spatial resolution should substantially improve the assessment of global land degradation.

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12 citations in Web of Science®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Language:English
Date:10 October 2011
Deposited On:02 Mar 2012 10:07
Last Modified:05 Apr 2016 15:30
Publisher:Taylor & Francis
ISSN:0143-1161
Additional Information:This is an electronic version of an article published in De Jong, R; De Bruin, S; Schaepman, M E; Dent, D (2011). Quantitative mapping of global land degradation using Earth observations. International Journal of Remote Sensing, 32(21):6823-6853. International Journal of Remote Sensing is available online at: www.tandfonline.com with the open URL of your article http://www.tandfonline.com/openurl?genre=article&issn=0143-1161&volume=32&issue=21&spage=6823
Publisher DOI:https://doi.org/10.1080/01431161.2010.512946

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