Large-Scale Forest Height Mapping by Combining TanDEM-X and GEDI Data

被引：13

作者：

Choi, Changhyun ^{[1
]}

Cazcarra-Bes, Victor ^{[2
]}

Guliaev, Roman ^{[1
]}

Pardini, Matteo ^{[3
]}

Papathanassiou, Konstantinos P. P. ^{[3
]}

Qi, Wenlu ^{[3
]}

Armston, John ^{[3
]}

Dubayah, Ralph O. O. ^{[4
]}

机构：

[1] Deutsch Zentrum Luft & Raumfahrt Standort Oberpfaf, HR, D-82234 Wessling, Germany

[2] Capella Space Corp, InSAR SAR Applicat, San Francisco, CA 94110 USA

[3] Deutsch Zentrum Luft & Raumfahrt DLR, Microwaves & Radar Inst, D-82234 Wessling, Germany

[4] Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA

来源：

IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2023年 / 16卷

关键词：

Forestry; Laser radar; Estimation; Atmospheric modeling; Decorrelation; Synthetic aperture radar; Coherence; Forest height; GEDI; SAR interferometry; synthetic aperture radar (SAR); TanDEM-X; waveform lidar; POL-INSAR; ABOVEGROUND BIOMASS; SAR INTERFEROMETRY; LIDAR; MISSION; PERFORMANCE;

D O I：

10.1109/JSTARS.2023.3244866

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The present study addresses the development, implementation, and validation of a forest height mapping scheme based on the combination of TanDEM-X interferometric coherence and GEDI waveform measurements. The very general case where only a single polarisation TanDEM-X interferogram, a set of spatially discrete GEDI waveform measurements, and no DTM are available is assumed. The use of GEDI waveforms to invert the TanDEM-X interferometric measurements is described together with a set of performance criteria implemented to ensure a certain performance quality. The emphasis is set on developing a methodology able to invert forest height at large scales. Combining 595 TanDEM-X scenes and about 15 million GEDI waveforms, a spatially continuous 25-m resolution forest height map covering the whole of Tasmania Island is achieved. The derived forest height map is validated against an airborne lidar-derived canopy height map available across the whole island.

引用

页码：2374 / 2385

页数：12

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