{"id":"c03a6507-05c0-4791-ac51-d9c44e5e70c3","title":"青藏高原坡向图（2000）","title_en":"The slope aspect map of the Tibetan Plateau (2000)","serial":"泛第三极环境大数据平台","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。使用本数据集时，请引用GLCN提供的Shuttle Radar Topography Mission (SRTM)。数据联系人：刘林山， Email：liuls@igsnrr.ac.cn，Tel：010-64889790，单位：中国科学院地理科学与资源研究所，地址：北京市朝阳区大屯路甲11号，邮编： 100101。","instructions":"","description":"本数据集包含青藏高原数字坡向分布及坡向度数数据，可用来辅助青藏高原区域的基础地理信息分析研究工作。\n原始资料数据为Global Land Cover Network (GLCN)提供的Shuttle Radar Topography Mission (SRTM)数据，原数据是分幅、经纬度的数据，WGS84坐标系，空间分辨率3″。经过镶嵌处理，对镶嵌过程中产生的Nodata空值数据进行插值填补，完成数据的填补工作后，进行投影转换处理，生成数据为Albers等面积圆锥投影，转换投影后，空间分辨率90m。最后用青藏高原的边界进行切割，获得DEM数据。在ArcMap下使用空间分析模块，计算坡向，生成坡向图。\n像元值：value\n数据类型：浮点型\n解释：坡向度数\n量纲：度\n数据精度：空间分辨率90m","doi":"10.11888/Geogra.tpdc.270546","projection":"","language":"zh","share_type":"online","east":104.0,"west":73.0,"south":28.0,"north":38.0,"scale":null,"crs":"","filesize":1028.742,"share_policy":"a","ts_created":"2018-07-18T16:43:22+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-18T17:51:23.275643+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"栅格","project":[11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"青藏高原坡向图.泛第三极环境大数据平台.2010","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"c03a6507-05c0-4791-ac51-d9c44e5e70c3","three_pole":null,"third_pole":null},"username":"SDB","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2251}