A MONITORING SYSTEM FOR GLACIERS ON SVALBARD BASED ON ENVISAT ASAR WIDE SWATH DATA

被引：2
|
作者：
Hindberg, Heidi [1 ]
Malnes, Eirik [1 ]
Hogda, Kjell Arild [1 ]
机构：
[1] Norut, N-9294 Tromso, Norway
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
Glaciers; firn; classification; SAR; AUSTFONNA; ICE;
D O I：
10.1109/IGARSS.2012.6351145
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：
In this paper, we propose a method to monitor the extent of different facies on glaciers on Svalbard. The extent of the firn facies can be used as an indicator for trends in mass balance. We produce an averaged image from Envisat ASAR wide swath mode scenes for an entire winter season. The averaged image is segmented into three classes using a Gaussian Mixture Model. The method is able to detect the area covered by firn for years when the glacier has negative or zero mass balance, while quantitative results are difficult to achieve for years with positive mass balance.
引用
收藏
页码：1856 / 1859
页数：4
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