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Integration of earth observation data and in situ data from the National Inventory of Landscapes in Sweden (NILS)
Fjärranalys, SLU Umeå.
Fjärranalys, SLU Umeå.
Institutionen för Skoglig Resurshushållning . (Landskapsanalys)
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology (INK).
2010 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Integration of in situ data and earth observation (EO) data for estimating the occurrence of different habitat or classes can be achieved using different approaches. In this study, the approach used is to post-stratify in situ data using existing land cover maps derived from satellite data. Photo-interpreted landscape elements and biotopes from the National Inventory of Landscapes in Sweden (NILS; http://nils.slu.se/) were used as in situ data. The mapped landscape elements and biotopes were classified into General Habitat Categories (GHCs). Five of the GHCs were selected to exemplify how the precision of their area estimates was affected by using post-stratification, as compared to area estimates of the GHCs based on the photo-interpreted data alone. The stratification was made using the Swedish version of Corine land cover (SMD) which includes more classes and has a higher spatial resolution (1-25 ha minimum mapping unit depending on the class) than the European version of Corine land cover (CLC). The results show that the standard error was reduced substantially for all tested GHCs using post-stratification in comparison to the errors obtained without post-stratification. This shows the potential to derive improved area statistics of habitat categories by integrating in situ data with existing land cover maps.

Place, publisher, year, edition, pages
2010.
National Category
Landscape Architecture Agricultural Science
Research subject
Physical Geography
Identifiers
URN: urn:nbn:se:su:diva-50993OAI: oai:DiVA.org:su-50993DiVA: diva2:383569
Conference
International Conference in Landscape Ecology ”Landscape structures, functions and management: response to global ecological change
Projects
EBONE
Note
Oral presentation (by Helle Skånes) at International Conference in Landscape Ecology ”Landscape structures, functions and management: response to global ecological change”. Brno/Prag Tjeckien 3-7 SeptemberAvailable from: 2011-01-05 Created: 2011-01-05 Last updated: 2011-01-19Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf