{"id":"98accc9c-aa64-4b4f-b4aa-84d9202a24d7","title":"黑河生态水文遥感试验：黑河流域中游核心试验区机载激光雷达原始数据","title_en":"HiWATER: Airborne LiDAR raw data in the middle reaches of the Heihe River Basin","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":null,"description":"2012年7月19日，在黑河中游核心观测区域，利用运12飞机，搭载Leica公司生产的ALS70,开展了lidar航空遥感飞行试验。ALS70激光波长为1064nm，记录多次回波（1,2,3和末次）。中游地区飞行绝对航高2700米（地面最低点1412米，地面最高点1655米），平均点云密度4点/平方米。通过参数检校、点云自动分类和人工编辑等步骤，最终形成DSM和DEM数据产品。","doi":"10.3972/hiwater.158.2014.db","projection":"WGS84 UTM","language":"zh","share_type":"offline","east":100.49,"west":100.37,"south":38.77,"north":39.0,"scale":0,"crs":null,"filesize":38604.8,"share_policy":"b","ts_created":"2017-08-26T05:30:35+08:00","doi_type":null,"ts_updated":"2021-04-20T00:13:07.622669+08:00","time_description":null,"datas_group":0,"time_description_en":null,"data_format":"las","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","7a562c93-a24b-4582-b5c5-2e5313b1d140","7f690542-f9ec-423c-9b65-384666be1c05","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":null,"fund":[40],"subtopics":null,"username":"胡晓利","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":8879}