{"id":"bb584b56-8bf2-4fa3-aaac-95faae5b2198","title":"青藏高原冰川物质平衡（2019-2020）","title_en":"Annual glacier mass balance data on Tibetan Plateau (2019-2020)","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":"年物质平衡数据以excel格式存储，文件的名称为“massbalance_2020.excel\"\n可用Office等办公软件打开读取","description":"冰川物质平衡是表征冰川积累和消融量值的重要冰川学参数之一。冰川物质平衡是联系气候和冰川变化的纽带，是冰川对所在地区气候状况的直接反映。气候变化导致冰川的物质收支状况发生相应的变化，而这种物质上的收支变化又可以引起冰川运动特征及冰川热状况的改变，进而导致冰川末端位置、面积和冰储量的变化。监测方法即在冰川表面设置固定标志花杆，定期监测冰川表面相对于花杆顶点的距离，以计算冰雪消融量；在积累区定时定点开挖雪坑或钻孔取样，测量雪层密度，分析雪-粒雪-附加冰层位特征，计算雪层积累量；再将单点监测结果绘到大比例尺冰川地形图上，按净平衡等值线法或等高线分区法计算整条冰川的瞬时、季节（如冬季和夏季）及年度的物质平衡分量。该数据集为青藏高原及天山地区不同代表性冰川年物质平衡数据，单位为毫米水当量。","doi":"10.11888/Glacio.tpdc.271467","projection":"","language":"zh","share_type":"offline","east":105.0,"west":70.0,"south":25.0,"north":45.0,"scale":null,"crs":null,"filesize":0.01,"share_policy":"c","ts_created":"2021-06-04T09:01:56.949642+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-06-15T13:08:52.318649+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["b6500306-f60b-4aa1-b0b6-0324d94866df"],"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":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":null,"temporal_resolution":"Yearly","spatial_resolution":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"bb584b56-8bf2-4fa3-aaac-95faae5b2198","three_pole":null,"third_pole":null},"username":"杨威","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1370}