{"id":"c0041472-7b13-4dbe-9a90-95dd845cf84a","title":"中国长江上游25米ALOS PALSAR-2年拼接数据（2016-2021）","title_en":"ALOS PALSAR-2 spliced data of 25 meters in the upper reaches of the Yangtze River in China (2016-2021)","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":"ALOS_POLSAR_pp_yyyy_CJZSY.tif\n其中”pp“表示极化方式，”yyyy”表示年份，CJZSY表示中国长江中上游地区。","description":"PALSAR拼接数据产品是通过JAXA对PALSAR和PALSAR-2的全球基本观测方案观察到的SAR反向散射图像的长路径组合而成的。以Gamma-0背向散射的形式提供的，其地理坐标为0.8秒（在赤道约为25米）的像素间距。时间间隔为年度，PALSAR-2的拼接数据可用于2015-2021年的时间段，PALSAR的拼接数据可用于2007-2010年。本数据经过数据筛选，数据裁剪等操作，获取了长江中上游地区HH和HV极化的ALOS PALSAR-2的数据。可用于P波段微波应用的研究。","doi":"","projection":"WGS84","language":"zh","share_type":"online","east":112.5,"west":89.0,"south":20.5,"north":36.5,"scale":null,"crs":null,"filesize":372736.0,"share_policy":"a","ts_created":"2022-09-29T08:49:43.809782+08:00","doi_type":"国际公开共享数据","ts_updated":"2022-10-17T19:31:10.695954+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"c0041472-7b13-4dbe-9a90-95dd845cf84a","three_pole":null,"third_pole":null},"username":"顾松巍","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":275}