{"id":"95fa47eb-4aa5-4f7c-aae4-047d8d87a3cd","title":"黑河综合遥感联合试验：盈科绿洲与花寨子荒漠加密观测区BRDF观测数据集","title_en":"WATER: Dataset of BRDF observations in the Yingke oasis and Huazhaizi desert steppe foci experimental areas","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":"","description":"本数据为在盈科绿洲与花寨子荒漠加密观测区测量的BRDF数据集。数据测量从2008年5月30号开始。\n测量仪器与原理：\n利用ASD（Analytical Sepctral Devices）光谱仪测量了盈科绿洲与花寨子荒漠加密观测区典型地物的冠层BRDF。测量基本原理为：R =（DN1/DN0）×R0。式中R0和DN0分别为参考反射灰板的定标光谱反射率和测量所得DN值；DN1为测量目标所得DN值。 \n测量方式：\n以主平面和垂直主平面观测为主，对于行播玉米（盈科绿洲玉米地）和小麦（盈科小麦地）还观测了垂直垄和平行垄。以10°为间隔测量-60°~60°之间的方向反射率。自制多角度观测架最大测量高度可达5m，当利用视场为25°的ASD光谱仪观测时，地面范围半径可达1.1米，2m高的玉米观测半径0.67m,基本能够反映地物的行播结构特征。\n测量时间：\n2008-05-30，2008-06-09，2008-06-14，2008-06-20，2008-06-22，2008-06-26，2008-06-30，2008-07-01与各种机载（红外广角双模式成像仪WiDAS、成像光谱仪OMIS-II）和星载传感器同步。\n数据处理：\nBRDF数据集包括原始数据与记录数据、处理后的BRDF数据。处理后的数据以Excel保存，文件中包括角度信息和反射率信息。","doi":"10.3972/water973.0232.db","projection":"4326","language":"zh","share_type":"online","east":100.46,"west":100.289,"south":38.734,"north":38.88,"scale":null,"crs":null,"filesize":200.5,"share_policy":"a","ts_created":"2013-10-06T22:22:08+08:00","doi_type":null,"ts_updated":"2021-04-19T13:25:37.033093+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":"","project":[10,11,15],"specials":["876b2512-2082-49eb-91cf-260468bf908c","a7665bf7-37ac-49e4-b130-a57f3df8d68c","11f9cb4b-6294-494e-bb30-012b3453a729","6740cd00-6d20-4855-a39b-863af216b0a2","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"陈玲, 阎广建, 范闻捷, 任华忠, 陶欣, 张吴明, 王颢星, 辛晓洲, 张阳. 黑河综合遥感联合试验：盈科绿洲与花寨子荒漠加密观测区BRDF观测数据集. 北京师范大学; 中国科学院遥感应用研究所; 北京大学. 2008. doi:10.3972/water973.0232.db [Chen Ling, Yan Guangjian, Fan Wenjie, Ren Huazhong, Tao Xin, Zhang Wuming, Wang Haoxing, Xin Xiaozhou, Zhang Yang. WATER: Dataset of BRDF observations in the Yingke oasis and Huazhaizi desert steppe foci experimental areas. Beijing Normal University; Institute of Remote Sensing Applications, Chinese Academy of Sciences; Peking University. 2008. doi:10.3972/water973.0232.db]","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":[35,36],"subtopics":{"metadata":"95fa47eb-4aa5-4f7c-aae4-047d8d87a3cd","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":14252}