{"id":"f440a60d-a329-43e7-bfbf-3da69b136847","title":"典型关键节点区域百米级地表温度数据（2000-2016）","title_en":"100-meter land surface temperature dataset of Dhaka typical key node area (2000-2016)","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":".tif，可以采用ARCGIS、ENVI打开查看","description":"地表温度（Land Surface Temporature, LST）是全球变化研究中的关键参数，其对生态系统和生物地球化学等具有重要研究意义。目前，Landsat热红外系列卫星数据（包括Landsat TM，ETM+和OLI热红外波段）是地表温度反演的一项重要数据源。以达卡关键节点为研究区域，基于2000至2016年Landsat TM/ETM+/TIRS系列质量较好（云量低于30%）的数据，采用单通道算法（single channel，SC算法）进行地表温度反演。同时，考虑了基于NDVI来源的反射率校正，以便对不同地区和条件进行更准确的LST估算。最终得到了达卡关键节点区域2000-2016逐年每季度（近似）地表温度数据。注：由于该区域数据受云干扰严重，对数据种进行了云掩膜处理。","doi":"10.11888/Ecolo.tpdc.270515","projection":"","language":"zh","share_type":"online","east":110.9,"west":-3.31,"south":-1.09,"north":58.68,"scale":null,"crs":null,"filesize":5222.4,"share_policy":"a","ts_created":"2018-12-29T23:53:27.637497+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T21:06:46.719773+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"秦军","username":"秦军","email":"shuairenqin@itpcas.ac.cn","is_cancel_expert":true}],"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":"","temporal_resolution":"Monthly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"f440a60d-a329-43e7-bfbf-3da69b136847","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":1243}