{"id":"f162c28f-7c30-40c9-9bf5-338a4d53dfea","title":"黑河生态水文遥感试验：黑河流域植被物候数据集","title_en":"HiWATER: Dataset of vegetation phenology in the Heihe River Basin","serial":"HiWATER","user_limit":"本数据由“黑河生态水文遥感试验（HiWATER）”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":"HDF 格式存储","description":"黑河流域植被物候数据集提供了2012年至2015年遥感物候产品。其空间分辨率为1km，投影类型为正弦投影。该数据采用MODIS LAI产品MOD15A2作为物候遥感监测数据源，MODIS陆地覆盖分类产品MCD12Q1作为辅助数据集进行提取。产品算法首先采用时间序列数据重建方法（BISE法）控制输入时间序列的数据质量；然后利用主算法（Logistic函数拟合法）与备用算法（分段线性拟合法）相结合的方式提取植被物候参数，实现算法互补，保证精度的同时提高可反演率。算法可提取一年最多三个生长周期，每个生长周期包含6个数据集，包括植被生长起点、生长峰值起点、生长峰值终点、生长终点、生长最快点、衰落最快点，同时记录了生长周期类型、生长季长度、质量标识等，共25个数据集。该物候产品降低了反演缺失率，提高了产品稳定性，数据集信息丰富，是相对可靠的。","doi":"10.3972/hiwater.284.2016.db","projection":"UTM  Zone47N  WSG-84","language":"zh","share_type":"online","east":101.8,"west":97.8,"south":37.3,"north":42.1,"scale":30,"crs":null,"filesize":68.7,"share_policy":"a","ts_created":"2016-03-26T00:38:25+08:00","doi_type":"","ts_updated":"2021-04-19T22:11:53.237362+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"ENVI标准格式","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","4dfa7dff-b3de-461e-b66f-809e673a2ccc","45a2b294-7cd9-4dc6-bc41-6435a6a717da","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":null,"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":[47,48,49],"subtopics":{"metadata":"f162c28f-7c30-40c9-9bf5-338a4d53dfea","three_pole":null,"third_pole":null},"username":"胡晓利","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":6159}