{"id":"779a5583-5cd2-4848-a140-2729a2159fd7","title":"祁连山地区冰川边界（v2.0, 2019）","title_en":"Glacier boundary in Qilian Mountains (V2.0, 2019)","serial":"","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。","instructions":"文件命名约定：数据种类_坐标系_YYYY.shp\t（YYYY：年）\n数据版本号：V1.0\n投影：+proj=longlat +datum=WGS84 +no_defs\n数据格式：shp \n冰川：多边形矢量","description":"本数据为祁连山地区2019年冰川分布产品。采用经典波段比值法和人工修正的方法提取。原始基础数据为2019年祁连山全境的高分系列影像。参考数据为谷歌影像和天地图影像。产品以shp文件格式存储，包含坐标系、冰川ID、冰川面积等属性。产品为1期，空间分辨率为2米，边界精度在2米（一个像元）左右。该数据直观地反映了祁连山冰川在2019年的分布，可用于冰川物质平衡变化定量估计、冰川变化对流域径流量影响定量估计等研究。","doi":"10.11888/Glacio.tpdc.271473","projection":"WGS84","language":"zh","share_type":"protected","east":102.238,"west":95.125,"south":37.475,"north":39.575,"scale":null,"crs":null,"filesize":4.0,"share_policy":"a","ts_created":"2021-06-13T11:42:08.519943+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-06-18T16:48:43.849779+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973","09bfff74-f7ba-49b1-951d-98c5f092f237","836a1603-47d0-494e-88c1-96723fd8e0bc","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"梁丽乔","username":"丽乔","email":"liangliqiao@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":66424,"last_login":"2021-08-31T17:09:37.293773+08:00","username":"YanHou","email":"ljz2hy@163.com","is_active":false,"is_staff":false,"user_name":"侯燕"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"779a5583-5cd2-4848-a140-2729a2159fd7","three_pole":null,"third_pole":"XDA20100101"},"username":"XDA20100101","review_time":null,"protected_duration":24,"protected_describe":"不能用于商业用途，科学研究使用该数据时请注明出处","is_important":false,"hit_count":957}