{"id":"7c643b0e-bdcb-4c2d-ab32-b3501f34fd41","title":"第三极地区冰川厚度数据（2018-2021）","title_en":"Glacier thickness data in the third polar region (2018-2021)","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":"第三极地区冰川厚度数据","description":"1.\t数据内容（包括的要素及意义）\n冰川厚度即冰川表面与冰川底部间的垂直距离。冰川厚度的分布不仅受冰川规模与冰下地形控制，同时也随着冰川对气候响应阶段不同而变化。数据包含冰川测线经纬度、高程、单点厚度、测量冰川冰体总储量、测量仪器型号等信息。\n\n2.\t数据来源与加工方法\n冰川厚度主要来源于钻孔和探地雷达测厚（Ground-Penetrating Radar, GPR）。钻孔法即在冰面进行钻孔至冰下基岩，从而获得单点的冰川厚度；冰川雷达测厚技术则能精确地测量出测线上冰川厚度的连续分布，同时获取冰下基岩的地形特征，从而为冰川储量估算和冰川动力学研究提供必要的参数\n\n3.\t数据质量描述\n冰川钻孔数据精度达到分米级。GPR雷达测厚由于冰川性质及底界面雷达信号强度差异，测厚精度理论上在5%-15%之间，。\n\n4.\t数据应用成果与前景\n冰川厚度是获取冰下地形和冰川储量信息的先决条件。在冰川动力学数值模拟与模型研究中，冰川厚度是一个重要的基本输入参数。同时，冰川储量是表征冰川规模和冰川水资源状况的最直接参数，不仅对冰川水资源的准确评估和合理规划及有效利用十分重要，更对于区域社会经济发展和生态安全具有重要和深远","doi":"10.11888/Glacio.tpdc.271332","projection":"","language":"zh","share_type":"protected","east":101.83,"west":74.82,"south":29.3,"north":49.12,"scale":null,"crs":null,"filesize":0.01,"share_policy":"c","ts_created":"2021-05-20T13:05:16.838553+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-27T11:30:17.109098+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"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":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":"Yearly","spatial_resolution":"100km - 1000km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"7c643b0e-bdcb-4c2d-ab32-b3501f34fd41","three_pole":null,"third_pole":"XDA20060201"},"username":"XDA20060201","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":1420}