{"id":"fb65bc49-2428-4926-a0c5-6b08a558154c","title":"黑河综合遥感联合试验：阿柔加密观测区热红外比辐射率观测数据集","title_en":"WATER: Dateset of TIR emissivity measurements in the A'rou foci experimental area","serial":"黑河综合遥感联合试验","user_limit":"本数据由“黑河综合遥感联合试验”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":"2008年3月14日在阿柔样方3开展了热红外比辐射率观测试验，测量仪器：便携式比辐射率测定仪（专利号：ZL 02 2 37640.2）。测量时，该样方为100%的干枯状牧草覆盖，高度<5cm。由于草场较为均质，因此只针对阿柔样方3中每个Grid的中心点进行测量。各观测点的命名规则为A3-9的形式，表示为阿柔样方3的9号采样点。每个中心点随机测量两次。\n测量时尽量选择水平地表，以保证测量角度为45度；并严格按照（1）加镜不加盖（Tsky）；（2）加镜加盖（Tcha）；（3）不加镜不加盖（Tsm）及（4）不加镜加盖（Tcm）的顺序完成一次测量。为减小误差每个观测都读4个数。同时，在每个中心点还同步测量了4次地表热红外温度（手持式红外温度计）和手持式热像仪（FLIR ThermaCAM）测量。比辐射率的计算公式为：比辐射率=1-（Tcm^4 – Tsm^4）/（Tcha^4 – Tsky^4）。本数据可为地表温度遥感反演算法及地表辐射能量平衡研究提供基础数据。","doi":"10.3972/water973.0020.db","projection":"4326","language":"zh","share_type":"online","east":100.55,"west":100.411,"south":38.015,"north":38.078,"scale":null,"crs":null,"filesize":81.6,"share_policy":"a","ts_created":"2013-10-11T13:29:04+08:00","doi_type":null,"ts_updated":"2021-04-19T20:58:50.700947+08:00","time_description":null,"datas_group":3,"time_description_en":null,"data_format":"JPG","project":[10,11,15],"specials":["2ee7e876-6f20-43a7-9c6c-979840a33ef2","70b8f038-a99f-4be4-a349-f82de21a2b6b","6740cd00-6d20-4855-a39b-863af216b0a2","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"晋锐, 曹永攀, 顾娟, 历华. 黑河综合遥感联合试验：阿柔加密观测区热红外比辐射率观测数据集. 中国科学院寒区旱区环境与工程研究所. 2008. doi:10.3972/water973.0020.db [Jin Rui, Cao Yongpan, Gu Juan, Li Hua. WATER: Dateset of TIR emissivity measurements in the A'rou foci experimental area. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences. 2008. doi:10.3972/water973.0020.db]","review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":null,"spatial_resolution":null,"license":null,"fund":[35,36],"subtopics":null,"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11879}