{"id":"7fee8675-d4ab-4f97-8bbf-269e20b7ac16","title":"青藏高原大于1平方公里湖泊数据集（V3.0）（1970s-2021）","title_en":"The lakes larger than 1k㎡ in Tibetan Plateau (V3.0) (1970s-2021)","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":"Lake_TP_年份.shp. ArcGIS 文件格式","description":"利用长时间序列Landsat遥感数据，获取了整个青藏高原近50年（1970s~2021）共15期湖泊观测数据，对大于1平方公里湖泊的数量及面积变化进行了详细分析。研究发现青藏高原湖泊数量从1970年代的1080个增加到2021年的~1400个。相应地，湖泊面积从1970年代的4万平方公里增加到了2021年的5万平方公里，净增加了1万平方公里。青藏高原湖泊并非持续单调地增加。在1970s至1995年间，大部分湖泊呈现萎缩状态；但在1995年之后，除2015年外，青藏高原湖泊的数量和面积总体呈现出持续增加趋势。流域尺度上，除雅鲁藏布流域外，均在扩张。","doi":"10.11888/Hydro.tpdc.270303","projection":"","language":"zh","share_type":"online","east":105.0,"west":70.0,"south":29.0,"north":40.0,"scale":null,"crs":null,"filesize":100.0,"share_policy":"a","ts_created":"2019-12-20T19:52:58.356080+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-12-20T07:38:10.275424+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"潘小多","username":"tingting","email":"panxd@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1 year < x < 10 year","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"7fee8675-d4ab-4f97-8bbf-269e20b7ac16","three_pole":null,"third_pole":null},"username":"张国庆","review_time":"2019-12-21T08:35:10.512268+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":6479}