Forest Parameter Estimation Using JERS-1 Repeat-pass Interferometry: Stem Volume Retrieval in Siberia and Sweden

Author

Eriksson, L.E.B. ; Askne, J. ; Santoro, M. ; Wiesmann, A.

Author_Institution

Dept. of Radio & Space Sci., Chalmers Univ. of Technol., Goteborg

fYear

2006

fDate

July 31 2006-Aug. 4 2006

Firstpage

2212

Lastpage

2215

Abstract

This paper presents results from estimation of stem volume in boreal forest using backscatter and interferometric coherence from the L-band SAR on the Japanese Earth Resources Satellite (JERS-1). Five test areas in Siberia and one in Sweden have been included in the study. Data from 14 JERS-1 44-day pairs from Siberia and 12 pairs covering the Swedish test area have been evaluated. The best multitemporal combinations of the measurements give relative RMSE values ranging from 33% to 48%. When considering one of the two observables only, the lowest retrieval errors are obtained under frozen conditions when inverting the coherence and under unfrozen conditions when inverting the backscatter.

Keywords

radar cross-sections; remote sensing by radar; synthetic aperture radar; vegetation; JERS-1 repeat-pass interferometry; Japanese Earth Resources Satellite; L-band SAR; Siberia; Sweden; boreal forest parameter; interferometric coherence; radar backscatter; stem volume; Backscatter; Image retrieval; Information retrieval; Interferometry; L-band; Land surface temperature; Parameter estimation; Space technology; Testing; Vegetation mapping;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 2006. IGARSS 2006. IEEE International Conference on

Conference_Location

Denver, CO

Print_ISBN

0-7803-9510-7

Type

conf

DOI

10.1109/IGARSS.2006.572

Filename

4241719