Monitoring the Siberian boreal forest using ENVISAT/ASAR data: first analysis results

Author

Hermitte, J.L. ; Le Toan, Thuy ; Grippa, Manuela ; Bouvet, Alexandre

Author_Institution

Centre d´´Etudes Spatiale de la Biosphere, Toulouse

Volume

7

fYear

2004

fDate

20-24 Sept. 2004

Firstpage

4586

Abstract

This paper investigates the use of EVISAT/ASAR data for deriving forest information over Central Siberia. Temporal series of alternating polarisation data (HH and HV) at low and high incidence angles acquired at the Bolshemurstinsky test area are analysed. The backscattering coefficient of different forest types and land cover is analysed as a function of time, polarisation and incident angle using a GIS forest database available within the Siberia-II project. The results of the analysis indicate that HV data are adapted to forest/non forest mapping and both HH and HV are sensitive to low biomass values up to 50 m³/ha

Keywords

forestry; geographic information systems; radar polarimetry; remote sensing by radar; synthetic aperture radar; vegetation mapping; visual databases; Bolshemurstinsky test area; Central Siberia; ENVISAT-ASAR data; GIS forest database; HH polarisation data; HV polarisation data; Siberia-2 project; Siberian boreal forest monitoring; alternating polarisation data; backscattering coefficient; biomass values; incidence angles; land cover; nonforest mapping; temporal series; Biomass; Data analysis; Filtering; Finite impulse response filter; Geographic Information Systems; Image databases; Monitoring; Polarization; Testing; Time series analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004 IEEE International

Conference_Location

Anchorage, AK

Print_ISBN

0-7803-8742-2

Type

conf

DOI

10.1109/IGARSS.2004.1370176

Filename

1370176