Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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
Satellite-based mapping of the growing season and bioclimatic zones in Fennoscandia
Responsible organisation
2006 (English)In: Global Ecology and Biogeography, ISSN 1466-822X, E-ISSN 1466-8238, Vol. 15, no 4, 416-430 p.Article in journal (Refereed) Published
Abstract [en]

Aim To test whether satellite-derived NDVI values obtained during the growing season as delimited by the onset of phenological phases can be used to map bioclimatically a large region such as Fermoscandia. Location Fermoscandia north of about 58 degrees N and neighbouring parts of NW Russia. Methods Phenology data on birch from 15 research stations and the half-monthly GIMMS-NDVI data set with 8 x 8 km(2) resolution from the period 1982-2002 were used to characterize the growing season. To link surface phenology with NDVI data, new algorithms on a pixel-by-pixel basis that show high correlation with phenophases on birch were developed. Then, time-integrated values (TI NDVI) during the phenologically defined growing season were computed to produce a bioclimatological map of Fermoscandia, which was tested and correlated with growing degree days (GDD) obtained from 20 meteorological stations. The map was also compared vs. traditional bioclimatic maps, and analysed for error factors distorting NDVI values. Results The correlation between GDD and TI NDVI data during the phenologically defined growing season was very high. Therefore, the TI NDVI map could be presented as a bioclimatic map reflecting GDD. However, several major areas have interfering factors distorting NDVI values, such as the pixel heterogeneity caused by the altitudinal mosaic in western Norway, the mosaic of lakes in southeastern Finland, and the agriculture-dominated areas in southern Fermoscandia. Main conclusions TI NDVI data from the phenologically defined growing season during 1982-2002 in Fermoscandia can be processed as a bioclimatic map reflecting GDD, except for the areas distorting NDVI values by their strong ground-cover heterogeneity.

Place, publisher, year, edition, pages
WILEY-BLACKWELL , 2006. Vol. 15, no 4, 416-430 p.
Keyword [en]
Fennoscandia; GIMMS-NDVI; phenology; growing season; growing degree days; vegetation zones; bioclimatology; bioclimatic map
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:polar:diva-3685DOI: 10.1111/j.1466-822x.2006.00234.xOAI: oai:DiVA.org:polar-3685DiVA: diva2:1104472
Available from: 2017-06-01 Created: 2017-06-01 Last updated: 2017-06-01

Open Access in DiVA

No full text

Other links

Publisher's full text
In the same journal
Global Ecology and Biogeography
Natural Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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