Glaciers of Bhutan 2000
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Digital polygon data of Glaciers of Bhutan in 2000. This dataset is created using Landsat TM and ETM+, imageries of 2000. The glacier outlines was derived semi-automatically using object-based image classification (OBIC ) method separately for clean ice and debris cover and further editing and validation was done carefully by draping over the high resolution images from Google Earth.
本数据集收录了2000年不丹冰川的数字多边形数据。该数据集基于Landsat TM和ETM+传感器于2000年获取的影像制作而成。冰川轮廓通过基于对象的光学图像分类（OBIC）方法分别针对纯净冰面和碎屑覆盖进行半自动提取，随后经过精心编辑和验证，通过覆盖谷歌地球的高分辨率影像进行进一步处理。
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