{"id":"8e1b7fe1-b51f-4ebd-a2ab-e1457418df78","title":"青藏高原积雪面积长时间序列数据（2007-2015）","title_en":"Long-term serial data of snow area on the Tibetan Plateau (2007-2015)","serial":"地球大数据科学工程专项时空三极环境项目","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":"","description":"青藏高原地区积雪的赋存变化较快，高原周边高山区具有冰雪资源丰富。在充分考虑青藏高原的地形和山地积雪特征的情况下，本套数据集采用了AVHRR数据，逐步实现保持积雪分类精度的情况下逐日、十天、每月积雪面积数据产品。本数据包含青藏高原2007-2015年每天/10天/每月积雪面积数据，数据平均精度可达0.92。可为青藏高原地区历史时期积雪变化提供可靠数据。","doi":"10.11922/sciencedb.170.55","projection":"","language":"zh","share_type":"online","east":102.0,"west":72.0,"south":24.0,"north":42.0,"scale":250000,"crs":"","filesize":3409.0,"share_policy":"a","ts_created":"2018-03-30T23:33:03+08:00","doi_type":"","ts_updated":"2021-04-19T05:06:59.457962+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"hdf","project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"郑照军.青藏高原积雪面积长时间序列数据[EB/OL].http://www.tibetsnow.org/,2018.8.12","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":"Yearly","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"8e1b7fe1-b51f-4ebd-a2ab-e1457418df78","three_pole":"XDA19070102","third_pole":null},"username":"邱玉宝","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":3237}