GLIMS Glacier Database, Version 1
收藏DataONE2024-06-04 更新2024-06-08 收录
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Global Land Ice Measurements from Space (GLIMS) is an international initiative with the goal of repeatedly surveying the world's estimated 200, 000 glaciers. GLIMS uses data collected by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument aboard the Terra satellite and the LANDSAT series of satellites, along with historical observations.
The GLIMS initiative has created a unique glacier inventory, storing information about the extent and rates of change of all the world's mountain glaciers and ice caps. The GLIMS Glacier Database was built up from data contributions from many glaciological institutions, which are managed by Regional Coordinators, who coordinate the production of glacier mapping results for their particular region. The GLIMS Glacier Database provides students, educators, scientists, and the public with reliable glacier data from these analyses. New glacier data are continually being added to the database.
The GLIMS Glacier Viewer was developed to provide the public with easy access to the GLIMS Glacier Database. This Web application allows users to view and query several thematic layers, including glacier outlines, Regional Coordinator institution locations, the World Glacier Inventory, and more. GLIMS data can be downloaded into a number of GIS-compatible formats, including ESRI Shapefiles, MapInfo tables, Geographic Mark-up Language (GML), and Keyhole Mark-up Language (KML) suitable for viewing in Google Earth.
全球陆地冰层太空观测计划(Global Land Ice Measurements from Space,简称GLIMS)是一项国际性倡议,旨在对全球预估的20万条冰川开展重复勘测。该计划依托泰拉卫星(Terra)搭载的先进星载热发射和反射辐射计(Advanced Spaceborne Thermal Emission and Reflection Radiometer,简称ASTER)以及陆地卫星(LANDSAT)系列采集的数据,并结合历史观测资料开展工作。
该计划构建了一套独一无二的冰川名录库,存储了全球所有山地冰川与冰盖的分布范围及其变化速率相关信息。GLIMS冰川数据库由多家冰川学研究机构提供的数据整合构建,由区域协调员负责管理——这些协调员统筹各自负责区域的冰川测绘成果编制工作。GLIMS冰川数据库可为学生、教育工作者、科研人员及社会公众提供基于上述分析得到的可靠冰川数据,且新的冰川数据正持续被纳入该数据库。
GLIMS冰川浏览器(GLIMS Glacier Viewer)旨在为社会公众提供便捷访问GLIMS冰川数据库的途径。这款网页应用支持用户查看并查询多个专题图层,包括冰川轮廓、区域协调员所属机构位置、世界冰川名录等内容。GLIMS数据可下载为多种兼容地理信息系统(Geographic Information System,简称GIS)的格式,包括ESRI形状文件(ESRI Shapefiles)、MapInfo表格、地理标记语言(Geographic Mark-up Language,简称GML)以及适用于谷歌地球(Google Earth)查看的关键标记语言(Keyhole Mark-up Language,简称KML)。
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