Endre søk
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Satellite monitoring of urbanization and environmental impacts: A comparison of Stockholm and Shanghai
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för miljö- och livsvetenskaper (from 2013). KTH, Geodesi och geoinformatik.ORCID-id: 0000-0002-6140-2922
KTH, Geodesi och geoinformatik.
KTH, Geodesi och geoinformatik.
2015 (engelsk)Inngår i: International Journal of Applied Earth Observation and Geoinformation, ISSN 0303-2434, Vol. 38, s. 138-149Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This study investigates urbanization and its potential environmental consequences in Shanghai andStockholm metropolitan areas over two decades. Changes in land use/land cover are estimated fromsupport vector machine classifications of Landsat mosaics with grey-level co-occurrence matrix fea-tures. Landscape metrics are used to investigate changes in landscape composition and configurationand to draw preliminary conclusions about environmental impacts. Speed and magnitude of urbaniza-tion is calculated by urbanization indices and the resulting impacts on the environment are quantified byecosystem services. Growth of urban areas and urban green spaces occurred at the expense of croplandin both regions. Alongside a decrease in natural land cover, urban areas increased by approximately 120%in Shanghai, nearly ten times as much as in Stockholm, where the most significant land cover changewas a 12% urban expansion that mostly replaced agricultural areas. From the landscape metrics results,it appears that fragmentation in both study regions occurred mainly due to the growth of high densitybuilt-up areas in previously more natural/agricultural environments, while the expansion of low densitybuilt-up areas was for the most part in conjunction with pre-existing patches. Urban growth resulted inecosystem service value losses of approximately 445 million US dollars in Shanghai, mostly due to thedecrease in natural coastal wetlands while in Stockholm the value of ecosystem services changed very lit-tle. Total urban growth in Shanghai was 1768 km2and 100 km2in Stockholm. The developed methodologyis considered a straight-forward low-cost globally applicable approach to quantitatively and qualitativelyevaluate urban growth patterns that could help to address spatial, economic and ecological questions inurban and regional planning.

sted, utgiver, år, opplag, sider
Elsevier, 2015. Vol. 38, s. 138-149
Emneord [en]
Urbanization, Land use/land cover (LULC), Ecosystme Services, Landscape Metrics, Environmental Impact, SVM
HSV kategori
Forskningsprogram
Geodesi och geoinformatik
Identifikatorer
URN: urn:nbn:se:kau:diva-75061DOI: 10.1016/j.jag.2014.12.008ISI: 000351970100015OAI: oai:DiVA.org:kau-75061DiVA, id: diva2:1357845
Forskningsfinansiär
Swedish Research Council FormasTilgjengelig fra: 2019-10-04 Laget: 2019-10-04 Sist oppdatert: 2019-10-11bibliografisk kontrollert

Open Access i DiVA

Fulltekst mangler i DiVA

Andre lenker

Forlagets fulltekst

Personposter BETA

Haas, Jan

Søk i DiVA

Av forfatter/redaktør
Haas, Jan
Av organisasjonen
I samme tidsskrift
International Journal of Applied Earth Observation and Geoinformation

Søk utenfor DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric

doi
urn-nbn
Totalt: 10 treff
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf