{"id":"6caf721a-3110-46aa-8d97-92b69d8ed38e","title":"黑河流域多年月平均蒸发（2000-2009）","title_en":"Monthly mean evaporate of the Heihe River Basin (2000-2009)","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":"数据以栅格img格式存储，可用Arcgis、Qgis等遥感软件打开读取","description":"采用黑河计划数据管理中心提供的每日四次常规气象观测数据集，包括13个站点。对逐日蒸发进行统计整理，计算逐个站点的2000-2009年多年逐月蒸发数据。对其进行空间平稳性分析，计算变异系数，若变异系数大于100%，则采用地理加权回归计算站点与地理地形因素关系，得逐月蒸发分布趋势；若变异系数小于等于100%，则采用普通最小二乘回归计算站点蒸发值与地理地形因素（经纬度、高程、坡度、坡向等）的关系，得逐月蒸发分布趋势；对去掉趋势后的残差采用HASM（High Accuracy Surface Modeling Method）进行拟合修正。最后将趋势面结果与残差修正结果相加即得1961-2010年黑河流域多年月平均蒸发分布。时间分辨率：2000-2009年多年月平均蒸发。空间分辨率：500m。","doi":"10.11888/Meteoro.tpdc.270563","projection":null,"language":"zh","share_type":"offline","east":101.5,"west":98.0,"south":38.0,"north":42.0,"scale":null,"crs":null,"filesize":12.0,"share_policy":"b","ts_created":"2016-12-22T09:13:28+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T10:30:34.712871+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"img","project":[10,11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Monthly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"6caf721a-3110-46aa-8d97-92b69d8ed38e","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2530}