{"id":"24b4dc63-1ae0-45a9-b1ee-eb38f8fd8eb3","title":"高亚洲冰川1°×1°网格的SRTM C/X波段雷达穿透深度差异数据集（2000）","title_en":"The Datasets of the SRTM C/X-Band Radar Penetration Depth Differences on 1°×1° grid of High Mountain Asia Glaciers (2000)","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":"文件名称为“SRTM C-X Penetration depth difference.xlsx”；数据存储在excel文件中，行为网格名称，列为对应的穿透深度要素。NAME，LON，LAT，PENETRATION，NMAD，LINE MODEL(X REPRESENTS ELEVATION AND Y REPRESENTS C-X RADAR PENETRATION DEPTH)，COEFFICIENT OF DETERMINATION®，RESIDUAL，P VALUE，ZMIN，ZMAX，NUM，SLOPE ERROR，INTERCEPT ERROR分别为网格名称，经度，纬度，SRTM X波段和C波段的穿透深度差异，穿透深度差异的不确定性，线性拟合模型，确定系数R，拟合残差，P值，最小高程，最大高程，拟合像元数，斜率误差，截距误差。","description":"雷达穿透深度改正对于采用基于雷达DEM的大地测量方法进行准确估算冰川物质平衡至关重要。由于雪的分布不均和积雪性质不同，雷达的穿透深度会因地区而异，并且依赖于海拔高度，所以本数据集给出了高亚洲1°×1°网格的SRTM C/X波段雷达穿透深度差异。该数据集包含214个高亚洲1°×1°网格的SRTM X波段和C波段的穿透深度差异结果，以及每个网格的线性拟合表达式。基于大地测量方法，采用30 m分辨率的SRTM X波段和C波段 DEM，获得了高亚洲 X波段和C波段的冰雪穿透深度差异结果，采用50 m高程分段法和线性回归分析法得到了穿透深度差与海拔高程的关系（具体方法见参考文献）。数据以excel文件存储。该数据集可以为基于SRTM DEM的高亚洲物质平衡研究提供重要的基础数据，可供研究冰川、气候、水文等的科研工作者使用。","doi":"10.11888/Glacio.tpdc.271279","projection":"","language":"zh","share_type":"online","east":102.5,"west":67.5,"south":27.5,"north":45.5,"scale":null,"crs":null,"filesize":0.034,"share_policy":"a","ts_created":"2021-04-22T10:38:09.836720+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-18T08:52:41.109588+08:00","time_description":"SRTM C和X波段雷达发射以来","datas_group":3,"time_description_en":"Since the launch of SRTM C/X-Band Radar","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":"0.5º - 1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[331,516,520],"subtopics":{"metadata":"24b4dc63-1ae0-45a9-b1ee-eb38f8fd8eb3","three_pole":null,"third_pole":null},"username":"宋志伟","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1475}