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Remote Sensing of Bidecadal Urbanization and its Impacts on Ecosytstem Service in the Yangtze River Delta
KTH, Geodesi och geoinformatik.
KTH, Geodesi och geoinformatik.
2013 (English)In: Proceedings of Dragon 2 Final Results & Dragon 3 Kick-Off Symposium, 2013Conference paper, Published paper (Other academic)
Abstract [en]

The degree of urbanization and resulting effects on Ecosystem Services is investigated in the Yangtze River Delta in China within a 20 year time frame from 1990 to 2010. A Random forest classifier is used to classify the Landsat mosaic from 1990 and the HJ-1A/B mosaic dating from 2010. Urban Land Index (UI) and Urban Expansion Index (UX) are used to represent the intensity and rapidity of urbanization. Post-Classification Change Detection is then performed and Ecosystem Service value losses for the land-cover classes water, wetland, forest and cropland that transitioned to urban areas are calculated according to a valuation scheme adapted to the Chinese market. The results showed that Yangtze River Delta experienced significant urbanization during 1990 to 2010. Urban areas increased alongside a major decrease in cropland resulting in a substantial loss of 4.2 billion CNY in Ecosystem Services.

Place, publisher, year, edition, pages
2013.
Keywords [en]
Urbanization, Ecosystem Services
National Category
Remote Sensing
Research subject
Geomatics
Identifiers
URN: urn:nbn:se:kau:diva-75056OAI: oai:DiVA.org:kau-75056DiVA, id: diva2:1357840
Conference
Dragon 2 Final Results & Dragon 3 Kick-Off Symposium; Beijing, P.R. China, 25–29 June 2012
Available from: 2019-10-04 Created: 2019-10-04 Last updated: 2019-10-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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Language
  • de-DE
  • en-GB
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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