{"id":"b0570cd5-f071-49b9-b292-cd49d9239de4","title":"黑河生态水文遥感试验：TerraSAR-X遥感数据集","title_en":"HiWATER：TerraSAR-X dataset","serial":"HiWATER","user_limit":"本数据由“黑河生态水文遥感试验（HiWATER）”收集，但原始数据具有知识版权，本试验没有数据再分发的权利。用户如要获得本数据需要征得数据原始作者的许可，并在使用数据时请在正文中明确声明数据的原始来源。","instructions":"","description":"TerraSAR-X是德国航天局和EADS Astrium公司共同研发的高分辨率雷达卫星星座，2007年发射升空。它不受天气条件和光照的影响，可以提供可靠的分辨率高达1米的SAR影像。其具有灵活的分辨率和观测模式以及雷达干涉测量能力，在大比例尺地形、专题制图，变化检测，数字地形模型，快速制图服务等方面具备特有的优势，能够弥补光学影像在时间和空间上的局限。\n\n2012年共获取TerraSAR-X影像8景。覆盖范围均为中游人工绿洲生态水文试验区，获取时间（北京时间）分别为：2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09，2012-08-14，2012-08-25，过境时间均为北京时间19:00左右。\n获取的8景数据均为StripMap模式，标称分辨率3 m，产品级别为MGD。其中2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09的6景影像极化方式为HH/VV，入射角为小角度（22-24°）；2012-08-14和2012-08-25的2景影像极化方式为VV/VH，入射角为大角度（39-40°）。\n黑河流域生态-水文过程综合遥感观测联合试验TerraSAR-X遥感数据集通过德国航天局（DLR）合作项目“Estimation of eco-hydrological variables using TerraSAR-X data in the Heihe River Basin, China”（编号：HYD2096）获取。","doi":"","projection":"4326","language":"zh","share_type":"offline","east":100.7,"west":100.2,"south":38.7,"north":39.0,"scale":null,"crs":null,"filesize":16486.4,"share_policy":"b","ts_created":"2013-12-30T10:59:56+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T23:41:35.140330+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"数字影像","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","58b384b6-cf7d-4bd9-90f6-3e2e0350556f","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":null,"spatial_resolution":null,"license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[39],"subtopics":{"metadata":"b0570cd5-f071-49b9-b292-cd49d9239de4","three_pole":null,"third_pole":null},"username":"胡晓利","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11451}