{"id":"6000626c-8633-4a1d-8db1-50c200f8b0b3","title":"赤道北部非洲与萨赫勒地区NPP-VIIRS年际夜光遥感数据集（2013-2020）","title_en":"NPP-VIIRS interannual night time light remote sensing dataset for northern equatorial Africa and the Sahel Region (2013-2020)","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Geotiff格式储存，文件名称为“VIIRS_annual_yyyy.tif”，其中yyyy代表年。\n数据读取方式：可读取geotiff的软件或计算机语言均可读取该数据，如ArcGIS、ENVI、IDL、Python、Matlab等。","description":"该数据集包含2013年至2020年间逐年赤道北部非洲与萨赫勒地区NPP-VIIRS夜光数据影像。基于国家极地轨道(National Polar-orbiting Partnership, NPP) 卫星可见光近红外成像辐射计 (Visible Infrared Imaging Radiometer Suite, VIIRS)月平均夜光影像数据，将生物量燃烧引起的不稳定夜间灯光从人类活动引起的稳定夜光信息中分离后，合成得到逐年赤道北部非洲与萨赫勒地区NPP-VIIRS夜光遥感数据。数据空间分辨率为500 m，栅格数据类型为Geotiff。栅格像元值为辐亮度，单位为10−9 W∙cm−2∙sr−1。该数据集在一定程度上提高了夜光影像在赤道北部非洲与萨赫勒地区对小规模的、零散分布的、电力供应不稳定的城镇信息识别能力，可进一步应用于赤道北部非洲与萨赫勒地区的人类活动相关研究。","doi":"10.11888/HumanNat.tpdc.272020","projection":"WGS84","language":"zh","share_type":"online","east":50.0,"west":-20.0,"south":0.0,"north":20.0,"scale":null,"crs":null,"filesize":134.0,"share_policy":"a","ts_created":"2022-02-18T14:39:08.977949+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-02-19T13:15:52.784446+08:00","time_description":"2003-2020","datas_group":3,"time_description_en":"2003-2020","data_format":null,"project":[11],"specials":["826da9bc-541f-469f-ade3-a16e04d375ca"],"cite":null,"review_status":5,"review_invite":[],"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":"Yearly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[797],"subtopics":{"metadata":"6000626c-8633-4a1d-8db1-50c200f8b0b3","three_pole":null,"third_pole":null},"username":"蒋敏","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1850}