{"id":"0648c1db-ea04-4cc5-8a31-2ca4a017a258","title":"改进频率分布和风速纠正的青藏高原格点降水数据集（1980-2009）","title_en":"Frequency distribution improved and wind-induced undercatch corrected gridded precipitation in Tibetan Plateau(1980-2009)","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":"文件命名：数据以netcdf格式存储，全部时间序列的降水存放在一个文件之中，文件名为TPS3D_OK_TP_DAILY_PRECP_10KM.nc\n数据使用方法：显示查看可使用Panoply, 处理可使用Linux CDO命令行工具，或Python的xarray库","description":"改进频率分布和风速纠正的青藏高原格点降水数据集是一套适合青藏高原，经过风引起的降水观测损失订正和降水频率分布优化后的数据集。数据为NETCDF格式，时间分辨率为1天，水平空间分辨率10km。该数据可作为数值模式降水频率纠正的参考数据源。\n该数据集使用了164个来自中国气象局和GSOD的日观测数据作为数据源。数据的生成分为4步：（1）首先对观测数据进行了质量控制，包括异常值和坏值去除等。（2）进行主要由风引起的观测损失补偿。（3）分别采用考虑海拔的样条函数插值月降水总量，普通克里金法插值日降水与月降水的比值，将两部分相乘得得到1km空间分辨率的数据。（4）将1km空间分辨率数据均值聚合到10km空间分辨率，得到最终数据。\n相比国际同类格点降水数据，该数据进行了风引起的降水观测损失订正，同时通过插值方法的优化使其在降水量频率分布上更佳准确。该数据适合用于数值模式输出降水的统计偏差纠正或分析格点上的降水频率特征。","doi":"10.11888/Meteoro.tpdc.270993","projection":"Lambert_Conformal_Conic","language":"zh","share_type":"online","east":99.0,"west":70.0,"south":25.0,"north":41.0,"scale":null,"crs":null,"filesize":1892.0,"share_policy":"a","ts_created":"2020-10-25T00:00:00+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T16:18:57.085628+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"陈莹莹","username":"陈莹莹","email":"chenyy@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[385,387,388],"subtopics":{"metadata":"0648c1db-ea04-4cc5-8a31-2ca4a017a258","three_pole":null,"third_pole":null},"username":"马佳培","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1865}