{"id":"b5893aa8-5c5e-45fa-a6d7-94eec6ff339e","title":"黑河生态水文遥感试验：黑河流域中游河道L波段机载微波辐射计数据集（2012年7月4日）","title_en":"HiWATER: Dataset of airborne microwave radiometers (L bands) mission in the river way of the midstream of the Heihe River Basin on Jul. 4, 2012","serial":"HiWATER","user_limit":"本数据由“黑河生态水文遥感试验（HiWATER）”产生，用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式。","instructions":"","description":"本数据集为L波段机载微波辐射计于2012年7月4日获取，地点在黑河河道地区。\n其中L波段频率为1.4GHz，天顶角观测，V极化与H极化信息；飞机10:50（北京时间，下同）从张掖机场起飞，14:50降落。飞行历时4小时。在观测期间，飞行高度1000m左右，飞行速度220-250km/hr左右。\n原始数据分为两部分，分别为微波辐射计数据和地理位置KMZ数据。微波辐射计数据包括V极化与H极化两个数据文件，分辨率300 m，每个数据文件包含所观测TB值和对应扫描波束ID、入射角、位置、时间标记(UTC)和其他飞行姿态信息。KMZ文件给出38.5入射角下飞区域行1公里网格TB值分布数据。飞机前和结束时微波辐射计分别进行了“热”和“冷”辐射校正。微波辐射计数据应考虑电磁波干扰影响，V极化TB值受电磁波干扰较强，H极化受影响较小。","doi":"10.3972/hiwater.015.2013.db","projection":"4326","language":"zh","share_type":"offline","east":100.7906,"west":99.8517,"south":38.6272,"north":39.5403,"scale":null,"crs":null,"filesize":36.0,"share_policy":"b","ts_created":"2017-08-22T21:28:46+08:00","doi_type":null,"ts_updated":"2021-04-19T20:02:27.077173+08:00","time_description":"","datas_group":0,"time_description_en":null,"data_format":"文本","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","7a562c93-a24b-4582-b5c5-2e5313b1d140","2870e68e-e71e-4357-a05a-2f3e3b43f7b8","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":"b5893aa8-5c5e-45fa-a6d7-94eec6ff339e","three_pole":null,"third_pole":null},"username":"车涛","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":9220}