{"id":"88c372ae-bddb-45a2-ac6c-188b0dd727ed","title":"青藏高原南北极典型冰川流速数据集（2000-2017）V1.0","title_en":"Typical glacial velocity dataset of the north and south poles of the QTP (2000-2017) v1.0","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":"冰川运动数据以栅格格式存储，文件名称为“yyyy-yyyy-rr-vv.tif”,其中yyyy代表年，rr代表区域，vv表示速率，如2002-南伊内里切克-vv.tif代表南伊内里切克冰川2002年流速分布图。","description":"冰川对区域和全球气候变化异常敏感，因此常被作为气候变化的指示器之一，其相关参数也是气候变化研究的关键指标，特别是在地球三极环境变化对比研究中，冰川速度的时间和空间差异性对比是气候变化研究的重点之一。但由于冰川基本位于高海拔、高纬度和高寒地区，自然环境恶劣、人迹罕至，缺乏且难以开展大规模冰川运动的常规现场测量工作，为了能够及时高效、全面和准确地了解三极地区冰川运动状况，利用雷达干涉测量、雷达和光学影像像素跟踪等方法获取了三极地区部分典型冰川2000-2017年部分年份的表面运动分布情况，为三极冰川运动的对比分析提供了基础资料。数据集包含12个栅格文件，栅格文件名为“某地区某时段冰川运动”，每一幅栅格图主要包含以某一典型冰川所在的区域流速分布。","doi":"10.11888/Glacio.tpdc.270263","projection":"","language":"zh","share_type":"online","east":80.33,"west":79.51,"south":42.0,"north":42.33,"scale":null,"crs":null,"filesize":1500.0,"share_policy":"a","ts_created":"2019-11-02T14:35:47.121845+08:00","doi_type":"","ts_updated":"2021-04-19T23:10:44.881225+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11,12],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe"],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21056,"last_login":"2022-02-09T12:02:24.544987+08:00","username":"huxiaoli","email":"huxiaoli@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"胡晓利"},"data_sources":"","temporal_resolution":"Daily","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"88c372ae-bddb-45a2-ac6c-188b0dd727ed","three_pole":"XDA19070202","third_pole":null},"username":"","review_time":"2019-11-04T08:24:43.792244+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":4327}