{"id":"441cd1b5-d31e-4559-aaad-331c9db4a4d7","title":"青藏高原地区10米分辨率卫星遥感影像季度产品（2016-2020）","title_en":"Seasonal satellite remote sensing images (10m) of the Qinghai-Tibet Plateau (2016-2020)","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":"影像文件以GeoTIFF格式存放，并按40000*40000像素大小分块，文件名称为“yyyySn_l_s.TIF”，其中yyyy表示年，n表示季度，l表示分块的行编号，s表示分块的列编号。 数据读取方式：该数据集采用标准GeoTIFF格式存放，可通过常用遥感软件（如ArcGIS、QGIS、ENVI等）查看，也可通过GDAL等软件包进行读取。","description":"本数据为青藏高原地区季度合成卫星遥感影像集，通过对Sentinel-2表观反射率时间序列产品进行去云合成处理得到，含可见光和近红外共4波段，空间分辨率约为10米。每年按1月-3月、4月-6月、7月-9月、10月-12月分为4个季度，综合利用Sentinel-2数据的可见光波段、卷云波段、气溶胶波段及近红外波段信息得到各时相影像的云掩膜，并按中位数原则对一个季度内所有掩膜后的影像进行合成，得到青藏高原地区的无云卫星遥感影像。","doi":"10.11888/Ecolo.tpdc.271733","projection":"WGS84","language":"zh","share_type":"online","east":105.63,"west":73.49,"south":24.66,"north":40.66,"scale":null,"crs":null,"filesize":7308574.72,"share_policy":"a","ts_created":"2021-04-26T16:36:36.681310+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-12T16:49:34.949164+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":"冯敏","username":"mfeng","email":"mfeng@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":"Yearly","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"441cd1b5-d31e-4559-aaad-331c9db4a4d7","three_pole":null,"third_pole":"2019QZKK0300"},"username":"孔令桥","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":576}