| 应用SAR特征匹配方法估计音苏盖提冰川表面流速 |
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| 引用本文： | 蒋宗立,刘时银,许君利,王欣,莫宏伟. 应用SAR特征匹配方法估计音苏盖提冰川表面流速[J]. 冰川冻土, 2011, 33(3): 512-518 |
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| 作者姓名： | 蒋宗立 刘时银 许君利 王欣 莫宏伟 |
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| 作者单位： | 中国科学院寒区旱区环境与工程研究所,甘肃 兰州 730000;湖南科技大学 建筑与城乡规划学院,湖南 湘潭 411201;中国科学院寒区旱区环境与工程研究所,甘肃 兰州,730000;湖南科技大学 建筑与城乡规划学院,湖南 湘潭,411201 |
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| 基金项目： | 中国科学院知识创新工程重要方向项目(KZCX2-YW-Q03-04); 国家自然科学基金项目(41071044); 国家自然科学基金项目(40801025)资助; 科技部基础性工作专项项目(2006FY110200) |
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| 摘 要： | 喀喇昆仑山区冰川因位于高海拔地区且远离人类正常活动的区域,使得连续的表面流速的地面观测很难实施,因此,对该区域冰川运动机理研究相对比较少.采用日本高级陆地观测卫星携带的相控阵型 L 波段合成孔径雷达(Advanced Land Observing Satellite,Phase Array L-band Synthet...
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| 关 键 词： | 合成孔径雷达 冰川表面流速 特征匹配 喀喇昆仑 |
Using Feature-Tracking of ALOS PALSAR Images to Acquire the Yengisogat Glacier Surface Velocities |
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| JIANG Zong-li,LIU Shi-yin,XU Jun-li,WANG Xin,MO Hong-wei. Using Feature-Tracking of ALOS PALSAR Images to Acquire the Yengisogat Glacier Surface Velocities[J]. Journal of Glaciology and Geocryology, 2011, 33(3): 512-518 |
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| Authors: | JIANG Zong-li LIU Shi-yin XU Jun-li WANG Xin MO Hong-wei |
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| Affiliation: | JIANG Zong-li1,2,LIU Shi-yin1,XU Jun-li1,WANG Xin2,MO Hong-wei2(1.Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzou Gansu 730000,2.School of Architecture and Urban Planning,Hunan University of Science and Technology,Xiangtan Hunan 411201) |
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| Abstract: | In this paper,the surface velocities of Yengisogat Glacier in the Karakoram were acquired using Feature-Tracking of the Japan Advanced Land Observing Satellite(ALOS) Phased Array type L-band Synthetic Aperture Radar(PALSAR) images.Four pairs of ALOS PALSAR images were processed and then the annual average velocities were calculated.The accuracy of calculation was discussed,and the results were compared with the previous measurements and found that they are well consistent.Two fast moving glacier flows are f... |
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| Keywords: | SAR glacier surface velocity feature-tracking Karakoram Mountains |
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