MEASUREMENTS OF INTERTIDAL FLAT TOPOGRAPHY USING A LONG-BASELINE AIRBORNE INTERFEROMETRIC SAR

被引：0

作者：

Kim, Duk-jin ^{[1
]}

Choi, Changhyun ^{[1
]}

Jung, Jungkyo ^{[1
]}

Kang, Ki-mook ^{[1
]}

Kim, Seung Hee ^{[1
]}

Hwang, Ji-Hwan ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Earth & Environm Sci, Seoul 151, South Korea

来源：

2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2016年

关键词：

Tidal flat; Long-baseline; Interferometry; DEM; Airborne;

D O I：

10.1109/IGARSS.2016.7730996

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：

Intertidal flats are productive and rapidly changing places. However, these places are facing many environmental challenges related to climate change and human-induced impacts. Topographic change due to sedimentation or erosion in intertidal flats can be the key indicator for recognizing these environmental changes. The intertidal flats usually have small topographic variations (less than 5m) and high-moistured soil surfaces (greater than 50%). The conventional SAR interferometric techniques cannot be used for generating DEMs in these intertidal flats. In this study, we developed a long-baseline airborne interferometric SAR (InSAR) system that has small ambiguity height and collected airborne InSAR data in Jebu intertidal flat, west coast of Korean peninsula. The constructed topographies using the long-baseline airborne InSAR were compared with TanDEM-X DEM (acquired during long-baseline mission phase) and GPS-RTK measurements.

引用

页码：7655 / 7658

页数：4

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