{"id":"1992699f-84c7-4552-853b-84c374b5ac6c","title":"中国重庆市2022年Sentinel提取山火面积数据集","title_en":"The Sentinel Extraction of Wildfire Area Dataset in 2022 in Chongqing, China","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":"dnbrfire.tif","description":"该数据集包括北碚、南川、涪陵、璧山、江津、开州、长寿、奉节、酉阳、大足等十多个区县在2022年夏遭遇山火的面积，使用2022年9月初和2022年8月初火灾前后的Sentinel-2卫星数据，通过燃烧指数归一化差值方法计算出整个重庆区域的dnbr变化，设置阈值为0.01提取出火灾燃烧的面积，将栅格结果转换为矢量，得到此次2022年重庆山火16m空间分辨率的山火面积数据集，可以为重庆市森林资源管理和防灾救灾应用提供支撑。","doi":"","projection":null,"language":"zh","share_type":"online","east":111.0,"west":105.0,"south":28.0,"north":33.0,"scale":null,"crs":null,"filesize":0.2,"share_policy":"a","ts_created":"2022-10-13T16:43:38.106668+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-10-17T19:31:10.683220+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10],"specials":["bd590042-7763-495e-b782-524cf78748f7"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Monthly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"1992699f-84c7-4552-853b-84c374b5ac6c","three_pole":null,"third_pole":null},"username":"赵怡鑫","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":348}