{"id":"aad6365f-08f2-467e-b41a-b7d207a25df8","title":"黑河排露沟流域海拔2800m青海云杉林叶面积指数数据集（2011）","title_en":"Leaf area index of Qinhai spruce stand at 2800 m above sea level in Pailougou watershed (2011)","serial":"黑河计划","user_limit":"本数据由“黑河流域上游青海云杉林蒸散特征及其耗水机制研究”项目产生，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":"excel 格式存储","description":"叶面积指数（leaf area index）又叫叶面积系数，是指单位土地面积上植物叶片总面积占土地面积的倍数。叶面积指数是生态系统的一个重要结构参数，用来反映植物叶面数量、冠层结构变化、植物群落生命活力及其环境效应，为植物冠层表面物质和能量交换的描述提供结构化的定量信息，并在生态系统碳积累、植被生产力和土壤、植物、大气间相互作用的能量平衡，植被遥感等方面起重要作用。排露沟流域青海云杉林叶面积指数等指标是用Plant Canopy Imager CI - 110测定的","doi":"10.3972/heihe.011.2014.db","projection":null,"language":"zh","share_type":"offline","east":100.307,"west":100.286,"south":38.529,"north":38.558,"scale":null,"crs":null,"filesize":0.1,"share_policy":"c","ts_created":"2014-01-22T11:49:08+08:00","doi_type":"","ts_updated":"2021-04-19T15:07:14.218076+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"EXCEL","project":[10,11,15],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"常学向,黑河排露沟流域海拔2800m2012年青海云杉林叶面积指数数据集.黑河计划数据管理中心，2014。doi:10.3972/heihe.011.2014.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":[145],"subtopics":{"metadata":"aad6365f-08f2-467e-b41a-b7d207a25df8","three_pole":null,"third_pole":null},"username":"常学向","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":5619}