{"id":"6c1240bf-7a64-4da2-ade6-49adebf93eba","title":"金佛山国家站植被覆盖度数据（2020）","title_en":"Vegetation coverage data of Jingfo National Station in 2020","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"该数据包括槽上、柑橘研究和虎头村三个观测站的植被覆盖度数据，包括三个图片文件夹和EXCEL表格，EXCEL里有每个测量点的经纬度、图片编号、植被类型等。","description":"植被覆盖度指植被（包括叶、茎、枝）在地面的垂直投影面积占统计区总面积的百分比。植被的覆盖度可分为高、中高、中、低四种覆盖类型。覆盖度的检测主要有地表实测法和遥感监测法。获得产品为地面测量点规则采集的清晰相片，相片包含植被和裸土或者植被和天空，相片中植被在整个相片中所占比例为该相片的植被覆盖度，相同地面测量点的植被覆盖度均值为该地面观测点的植被覆盖度。植被覆盖度是衡量地表植被状况的一个重要指标，是描述生态系统的重要基础数据，也是区域生态系统环境变化的重要指示，对水文、生态、区域变化等都具有重要意义。植被覆盖度为植被在地面的垂直投影面积占统计区总面积的百分比，它的取值范围为0-1，植被越茂盛，覆盖度越大，反之越小，大于1或者小于0的值为错误值。","doi":"","projection":"","language":"zh","share_type":"offline","east":106.45,"west":106.32,"south":29.76,"north":29.79,"scale":null,"crs":null,"filesize":3706.0,"share_policy":"c","ts_created":"2022-09-28T20:33:05.825477+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-10-17T19:30:55.793853+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[10],"specials":["5f218875-5eed-4939-8208-7bf54c573e42"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"6c1240bf-7a64-4da2-ade6-49adebf93eba","three_pole":null,"third_pole":null},"username":"李丹丹","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":345}