{"id":"43932103-65cd-4b25-a750-8936913efafe","title":"黑河生态水文遥感试验：黑河流域中游ASTER地表温度和地表发射率数据集（2012年）","title_en":"HiWATER: ASTER LST and LSE dataset in the middle reaches of the Heihe River Basin (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":"本数据集包含了2012年黑河流域中游12景ASTER数据反演得到的地表温度和地表发射率产品。12景ASTER数据均覆盖了中游人工绿洲生态水文试验区，获取时间（北京时间）分别为：2012-05-30，2012-06-15，2012-06-24，2012-07-10，2012-08-02，2012-08-11，2012-08-18，2012-08-27，2012-09-03，2012-09-12，2012-09-19，2012-09-28。以上数据的过境时间都在12:15左右（北京时间）。\n首先利用ASTER L3数据对L1B数据进行了几何精校正，然后再利用过境时间一致的MODIS MOD07大气廓线产品结合大气辐射传输模型MODTRAN对L1B数据进行了大气校正。为提高大气校正精度，采用了Water Vapor Scaling（WVS）大气校正方法，最后采用ASTER温度发射率分离（TES）算法反演得到地表温度和5个波段的地表发射率。利用黑河中游地面实测数据对地表温度产品进行了验证，结果表明地表温度产品的平均偏差小于0.5K，RMSE小于2K，本数据集可为异质性地表关键水热变量的遥感估算等研究提供可靠的输入数据。","doi":"10.3972/hiwater.220.2015.db","projection":"4326","language":"zh","share_type":"online","east":101.0,"west":100.0,"south":38.3,"north":39.2,"scale":null,"crs":null,"filesize":214.0,"share_policy":"a","ts_created":"2017-08-30T06:10:01+08:00","doi_type":"","ts_updated":"2021-04-19T19:27:57.869899+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"ENVI标准格式","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","172b7ba8-9eda-4828-976a-760ec76a45b2","45a2b294-7cd9-4dc6-bc41-6435a6a717da","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":[40,48,50],"subtopics":{"metadata":"43932103-65cd-4b25-a750-8936913efafe","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":10731}