{"id":"a3d37f77-276d-4ba2-9a45-be8dadc1647f","title":"黑河综合遥感联合试验：排露沟流域和大野口流域加密观测区固定森林样地调查数据集（2003-2007）","title_en":"WATER: Dataset of forest structure parameter measurements for the fixed forest sampling plots in the Dayekou and Pailugou watershed foci experimental areas (2003-3007)","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":"固定森林样地位于甘肃省水源涵养林研究院所水文观测试验场所在的祁连山大野口排露沟流域。\n样地测树分别于2003年7月至8月和2007年7月至8月，由甘肃省水源涵养林研究院和中国科学院寒区旱区环境与工程研究所技术人员测量完成，共观测了17块固定森林样地，调查内容包括样地因子调查和每木测量调查。样地观测因子主要有所属林场，样地中心点经纬度坐标、坡向、坡位、坡度、土壤厚度、乔层郁闭度、叶面积指数等。测量所用仪器主要为皮尺、胸径尺、花杆、测树仪、罗盘仪和鱼眼相机。每木测量因子包括胸径、树高、枝下高、横坡方向冠幅宽、顺坡方向冠幅宽、单木生长状况等。\n详细信息参考“黑河综合遥感联合试验：排露沟流域和大野口流域加密观测区固定样地测树调查数据集（2003年）”和“黑河综合遥感联合试验：排露沟流域和大野口流域加密观测区固定样地测树调查数据集（2007年）”两条元数据。\n本数据集中的LAI为2008年黑河综合遥感联合试验开展期间的补充测量数据。即在这些固定样地做了LAI的补测。LAI补充观测时间自2008年6月1日至13日，共调查了这17块固定样地中的15块。对每块样地采用了四种仪器进行观测。这些仪器除了商业仪器HemiView鱼眼相机、LAI-2000和TRAC外，还采用了北京师范大学自制的冠层分析仪器。在每一块20m×20m样地内，TRAC沿着与阳光入射方向垂直的方向进行两条平行路线测量，这两条路线的测量基本能代表整个样方；HemiView鱼眼相机和LAI-2000测量相同的点，即在TRAC线上各取三个点，再加上样方中心点，共7个测量点。\n本套数据集可为森林结构参数遥感反演方法研究提供地面实测数据。","doi":"10.3972/water973.0194.db","projection":"4326","language":"zh","share_type":"offline","east":100.30698,"west":100.2158,"south":38.4382,"north":38.5765,"scale":null,"crs":null,"filesize":231.1,"share_policy":"b","ts_created":"2012-04-07T17:33:42+08:00","doi_type":"","ts_updated":"2021-04-20T00:58:56.624619+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"","project":[10,11,15],"specials":["1b7ac22c-43ea-410c-b729-29786f35d16f","1e67029e-f3fe-4aa1-a183-441c82f5c93d","9a8f5031-324c-4917-b8b4-f55595002fa0","6740cd00-6d20-4855-a39b-863af216b0a2","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"陈尔学, 宋金玲, 金铭, 曹春香. 黑河综合遥感联合试验：排露沟流域和大野口流域加密观测区固定森林样地调查数据集. 中国林业科学院资源信息研究所; 北京师范大学; 中国科学院遥感应用研究所; 甘肃省祁连山水源涵养林研究院. 2008. doi:10.3972/water973.0194.db [Chen Erxue, Song Jinling, Jin Ming, Cao Chunxiang. Water: Dataset of forest structure parameter measurements for the fixed forest sampling plots in the Dayekou and Pailugou watershed foci experimental areas. Institute of Forest Resource Information Techniques, Chinese Academy of Forestry; Beijing Normal University; Institute of Remote Sensing Applications, Chinese Academy of Sciences; Academy of Water Resources Conservation Forests in Qilian Mountain of Gansu Province. 2008. doi:10.3972/water973.0194.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":"a3d37f77-276d-4ba2-9a45-be8dadc1647f","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":11653}