Blue-Ice Extraction and Classification in Antarctica Using MOA Images

被引：2
|
作者：
Zhang, Xin [1 ,2 ]
Zhou, Chunxia [1 ]
Yuan, Lexian [1 ,2 ]
Dongchen, E. [1 ]
机构：
[1] Wuhan Univ, Chinese Antarctic Ctr Surveying & Mapping, Wuhan 430079, Peoples R China
[2] Changjiang Spatial Informat Technol Engn Co Ltd, Changjiang Inst Survey Planning Design & Res, Wuhan 430010, Peoples R China
来源：
JOURNAL OF COASTAL RESEARCH | 2020年
基金：
中国国家自然科学基金;
关键词：
Antarctic blue ice; MOA; grayscale threshold value; surface snow grain size; wind induced- blue ice; melt-induced blue ice; ETM PLUS; AREAS;
D O I：
10.2112/JCR-SI108-037.1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Using Moderate Resolution Imaging Spectroradiometer (MODIS) Mosaic of Antarctica (MOA) images, areas of Antarctic blue ice were extracted and classified based on the grayscale threshold value of Band 1 MODIS images and the threshold of the surface snow grain size in Band 1 and Band 2 MODIS images. The MOA-based blue-ice area extraction method was verified by tests in blue-ice areas on Grove Mountains, and the MOA-based blue-ice classification method was verified by tests on Queen Maud Land. Highly reliable Antarctic blue-ice distribution maps were obtained in this study, and the blue-ice extent in Antarctica is 188,857-226,628 km(2).
引用
收藏
页码：188 / 192
页数：5
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