LAI estimation of boreal forest with ENVISAT ASAR

Terhikki Manninen, P. Stenberg, Miina Rautiainen, P. Voipio, H. Smolander, K. Andersson

Research output: Contribution to journalArticleScientificpeer-review


A method for retrieval of leaf area index (LAI) using ENVISAT ASAR VV/HH polarisation ratio was derived for boreal forests. The swath range from IS1 to IS6 was studied. The W/HH polarization ratio correlated quite well with the ground truth LAI values. The coefficient of determination was 0.76 for the sites when data from all 5 summer images and stands were used without separating between species (or swaths). The respective coefficient of determination was 0.7 for spruce (Picea abies L.) dominated stands and for pine (Pinus sylvestris L.) dominated stands it was even higher.

Original languageEnglish
Article number168
Pages (from-to)1279-1288
Number of pages10
JournalIEEE Transactions on Geoscience and Remote Sensing
Issue number572
Publication statusPublished - 2005
MoE publication typeA1 Journal article-refereed


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