{"id":"bf35055b-7411-46c8-a3ea-f421e1edca8c","title":"南北极海冰数据集（1979-2019）","title_en":"Antarctic and Actic sea ice data set (1979-2019)","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：海冰数据以netcdf格式存储，文件的名称为“N_yyyymmdd.nc”，其中N代表北极，S代表南极，yyyy代表年，mm代表月，dd代表日，比如N_19790102.nc就代表这个netcdf文件描述1979年1月2日北极海冰范围与浓度。\n数据读取方式：该数据可以用能够读取netcdf文件的程序或软件打开，如MATLAB，C语言等。","description":"南北极海冰数据集原始数据由美国国家冰雪数据中心(The National Snow and Ice Data Center：NSIDC)通过遥感数据生成，数据格式为geotiff格式与image格式，数据空间分辨率为25km，时间分辨率为日。数据内容是南北极的海冰范围及海冰密集度。本研究工作通过对南北极海冰的范围与海冰密集度后处理后生成netcdf格式产品。产品数据包含1979-2019年南北极海冰范围与海冰密集度数据，其时间分辨率为逐日，覆盖范围为南极与北极，水平空间分辨率为12.5km，海冰范围矩阵中数据值为1表示该网格为海冰，海冰密集度用0-1000表示，该网格值除以10即为该网格海冰密集度值。","doi":"10.11888/Glacio.tpdc.270294","projection":"WGS84","language":"zh","share_type":"online","east":180.0,"west":-180.0,"south":-90.0,"north":90.0,"scale":10000,"crs":null,"filesize":94000.0,"share_policy":null,"ts_created":"2019-11-20T09:49:57.755618+08:00","doi_type":null,"ts_updated":"2021-04-19T21:05:07.551256+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":null,"project":[10,11],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd","5f218875-5eed-4939-8208-7bf54c573e42"],"cite":null,"review_status":5,"review_invite":[{"user_name":"叶庆华","username":"叶庆华","email":"yeqh@itpcas.ac.cn","is_cancel_expert":true}],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"10km - 100km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"bf35055b-7411-46c8-a3ea-f421e1edca8c","three_pole":"XDA19070104","third_pole":null},"username":"叶爱中","review_time":"2019-11-21T09:45:57.090378+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":6221}