{"id":"75aa679c-a599-4228-93bf-8f4e7cb0ff51","title":"黑河综合遥感联合试验：扁都口加密观测区PROBA CHRIS地面同步样方调查数据集（2008年7月18日）","title_en":"WATER: Dataset of ground truth measurements synchronizing with PROBA CHRIS in the Biandukou foci experimental area on Jul. 18, 2008","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":"2008年7月18日，在扁都口加密观测区开展了针对PROBA CHRIS卫星的地面同步样方调查。样方数量为21个。主要调查项目包含GPS点号、物种、株数、高度、叶绿素含量、覆盖度、鱼眼照相、生物量。\n1. GPS点号用GARMIN GPS 76记录。\n2. 物种采用人工识别法。\n3. 株数采用人工计数法。\n4. 高度用卷尺测量，4－5个重复。\n5. 叶绿素含量用SPAD 502 叶绿素仪测量，5个重复。\n6. 覆盖度采用人工估计的方法。\n7. 鱼眼照相使用的相机为尼康D80，鱼眼镜头为适马 8mm F3.5 EX DG CIRCULAR FISHEYE，照相高度为1.5米，正对地面向下照。原始照片格式为JPG，处理结果文件格式为Excel表格。\n8. 生物量取50cm×50cm样品，称鲜重，杀青后烘干，称干重。数据存储：Excel格式表格。","doi":"10.3972/water973.0037.db","projection":"4326","language":"zh","share_type":"online","east":101.036,"west":100.881,"south":38.192,"north":38.312,"scale":null,"crs":null,"filesize":756.8,"share_policy":"a","ts_created":"2013-10-14T14:37:45+08:00","doi_type":null,"ts_updated":"2021-04-19T10:39:21.085904+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":"EXCEL","project":[10,11,15],"specials":["2ee7e876-6f20-43a7-9c6c-979840a33ef2","a287b225-86f7-4583-9e92-c05b6d3036bc","6740cd00-6d20-4855-a39b-863af216b0a2","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"马明国, 曹永攀, 冉有华, 李红星, 刘超, 汪洋. 黑河综合遥感联合试验：扁都口加密观测区PROBA CHRIS地面同步样方调查数据集（2008年7月18日）. 中国科学院寒区旱区环境与工程研究所. 2008. doi:10.3972/water973.0037.db [Ma Mingguo, Cao Yongpan, Ran Youhua, Li Hongxing, Liu Chao, Wang Yang. WATER: Dataset of ground truth measurements synchronizing with PROBA CHRIS in the Biandukou foci experimental area on Jul. 18, 2008. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science. 2008. doi:10.3972/water973.0037.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":"75aa679c-a599-4228-93bf-8f4e7cb0ff51","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11205}