{"id":"011ac821-ae1c-4061-a296-791695931ba2","title":"黑河中游日蒸散发遥感反演产品（2012）","title_en":"Remote sensing inversion product of diurnal evapotranspiration in the middle reaches of Heihe River (2012)","serial":"黑河计划","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":"","description":"蒸散发监测对农业水资源管理、区域水资源利用规划和社会经济可持续发展至关重要。传统监测ET 方法的局限性主要在于无法做到大面积同时观测，只能局限于观测点上，因此人员设备成本相对较高，既不能提供面上的ET 数据，也不能提供不同土地利用类型和作物类型的ET 数据。利用遥感可以做到ET的定量监测，遥感信息的特点是既能反映地球表面的宏观结构特性，又能反映微观局部的差异。\n本数据使用2012年6-9月份MODIS数据和M-SEBAL 模型以及基于参考蒸发比的时间尺度扩展方案估算了黑河中游整个生长季的蒸散发的时空分布，并使用地面观测数据对M-SEBAL 模型和时间尺度扩展方案进行了详细的评估。\n其时间分辨率为逐日尺度，空间分辨率为250米，数据覆盖范围为黑河中游，单位为毫米。\n数据的投影信息如下：UTM投影，47N","doi":"10.3972/heihe.10004.2014.db","projection":"4326","language":"zh","share_type":"offline","east":102.0,"west":98.5,"south":38.5,"north":40.5,"scale":250000,"crs":null,"filesize":170.0,"share_policy":"c","ts_created":"2015-02-24T23:12:54+08:00","doi_type":"","ts_updated":"2021-04-20T00:53:26.130373+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"栅格","project":[10,11,15],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"周彦昭,周剑,李妍等.对比SEBAL和改进的SEBAL模型估算黑河中游绿洲戈壁蒸散发[J].冰川冻土, 2014, 36(6):1526-1537.","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":[],"subtopics":{"metadata":"011ac821-ae1c-4061-a296-791695931ba2","three_pole":null,"third_pole":null},"username":"周彦昭","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":10424}