Repeat-pass interferometric coherence measurements of disturbed tropical forest from JERS and ERS satellites

被引：34

作者：

Luckman, A

Baker, J

Wegmüller, U

机构：

[1] Univ Wales, Dept Geog, Swansea SA2 8PP, W Glam, Wales

[2] Gamma Remote Sensing, CH-3074 Bern, Switzerland

[3] ITE Monks WoodAbbots Ripton, Sect Earth Observ, Huntingdon PE17 2LS, Cambs, England

来源：

REMOTE SENSING OF ENVIRONMENT | 2000年 / 73卷 / 03期

基金：

英国自然环境研究理事会;

关键词：

D O I：

10.1016/S0034-4257(00)00110-3

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The phase coherence between repeat-pass SAR observations of a tropical forest region was investigated as a source of information for biophysical characteristics in regenerating and undisturbed areas of forest. SAR imagery was acquired and interferometric coherence maps were derived for a 1-day repeat pair at C-band, using ERS-1 and ERS-2, and for 44-day and 132-day repeats at L-band, using JERS. The backscattering coefficient and coherence characteristics were analyzed in conjunction with biomass density estimates determined from field measurements and land cover characteristics derived from an annual sequence of Landsat TM imagery. The results demonstrate that repeat-pass coherence adds significantly to the information available from SAR imagery of tropical forest. (C) Elsevier Science Inc., 2000.

引用

页码：350 / 360

页数：11

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