{"id":"33000d59-eab9-417b-909e-7579090f4085","title":"黑河综合遥感联合试验：扁都口加密观测区MODIS地面同步观测数据集（2008年3月12日）","title_en":"WATER: Dataset of ground truth measurement synchronizing with MODIS in the Biandukou foci experimental area on Mar. 12, 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":null,"description":"2008年3月12日在扁都口加密观测区开展了MODIS地面同步观测，测量样方包括扁都口C1样地、扁都口G1样地、扁都口B2样地。地面观测的内容包括地表辐射温度、物理温度、地面覆盖类型和土壤水分。\n1）地表辐射温度：分别在扁都口C1样地、扁都口G1样地、扁都口B2样地进行了测量，测量时间范围是11:30-12:15。样方下垫面包括深翻地、油菜茬地和草地。测量仪器为手持式红外温度计，测量时采用近距测量模式。地表物理温度采用手持式红外温度计附带的热电偶温度计。土壤粗糙度数据可以认为在试验期间没有变化，可以从其它时间的粗糙度数据集中获得。\n2）土壤含水量：取0-1cm、1-3cm、3-5cm、5-10cm、10-20cm土样，放入自封袋，然后用微波炉烘干，计算其土壤重量含水量。\n3）土壤冻结深度的测量是通过用筷子插入土壤感觉其硬度或者将土壤表层冻结层直接挖出测量冻结层厚度，来判断冻结深度。直尺直接测量，当土壤硬度较大并且有冰晶时，认为土壤冻结；反之，则认为土壤未冻。地表覆盖度是以照片形式测量存储。\n本数据包括4个文件，分别是：MODIS数据、扁都口B2样地测量数据、扁都口C1样地测量数据、扁都口G1样地测量数据。其中扁都口B2样地文件中包含地表温度、冻结深度数据、土壤含水量数据。扁都口C1样地测量数据包括地表覆盖度、地表温度、植被参数数据和植被参数数据。扁都口G1样地文件中包含地表温度、冻融深度数据和土壤含水量数据。","doi":"10.3972/water973.0025.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":27.5,"share_policy":"a","ts_created":"2013-10-11T19:11:19+08:00","doi_type":null,"ts_updated":"2021-04-19T16:14:16.035974+08:00","time_description":null,"datas_group":3,"time_description_en":null,"data_format":"","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":"张立新, 常胜, 房倩, 梁星涛, 刘志刚, 刘晨州, 潘金梅, 彭丹青, 瞿瑛, 任华忠, 殷小军, 张勇攀, 张志玉, 赵少杰, 赵天杰, 郑越, 周纪, 张志玉. 黑河综合遥感联合试验：扁都口加密观测区MODIS地面同步观测数据集（2008年3月12日）. 北京师范大学; 中国科学院寒区旱区环境与工程研究所; 中国科学院遥感应用研究所. 2008. doi:10.3972/water973.0025.db [Zhang Lixin, Chang Sheng, Fang Qian, Liang Xingtao, Liu Zhigang, Liu Chenzhou, Pan Jinmei, Peng Danqing, Qu Ying, Ren Huazhong, Yin Xiaojun, Zhang Yongpan, Zhang Zhiyu, Zhao Shaojie, Zhao Tianjie, Zheng Yue, Zhou Ji, Zhang Zhiyu. WATER: Dataset of ground truth measurement synchronizing with MODIS in the Biandukou foci experimental area on Mar. 12, 2008. Beijing Normal University; Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science; Institute of Remote Sensing Applications, Chinese Academy of Sciences. 2008. doi:10.3972/water973.0025.db]","review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":null,"spatial_resolution":null,"license":null,"fund":[35,36],"subtopics":{"metadata":"33000d59-eab9-417b-909e-7579090f4085","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11492}