{"id":"6b802190-e6ea-44db-b058-47873c4e4072","title":"南极Amery冰架流速场数据集V1.0（2003-2013）","title_en":"Ice velocity of the Amery ice shelf in the Antarctic (Version 1.0) (2003-2013)","serial":"地球大数据科学工程专项时空三极环境项目","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":"","description":"利用2003-2013年11景的Modis1B数据(NSIDC网站发布的冰架Modis1B数据)，采用亚像元互相关方法提取南极Amery冰架表面流速，应用COSI-Corr软件提取冰架流速，获取近十年的年均流速时间序列，由于研究区域内缺乏实地观测，因此利用稳定区域的偏移量值评估冰流结果的精度，冰流误差约为±50m/year。冰流场数据覆盖时间从2003年到2013年，时间分辨率为逐年，覆盖范围为Amery区域，空间分辨率为500m。每年的冰流场数据存放一个Geotiff文件。\n数据的详细情况见Amery冰流场-数据说明。","doi":"10.11888/GlaciolGeocryol.tpe.00000038.file","projection":"","language":"zh","share_type":"online","east":76.0,"west":74.0,"south":-72.0,"north":-70.5,"scale":250000,"crs":"","filesize":30.0,"share_policy":"a","ts_created":"2018-02-15T07:09:26+08:00","doi_type":"","ts_updated":"2021-04-19T16:43:12.120417+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"tif","project":[10,11],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd"],"cite":"江利明. 南极Amery冰架流速场（V1.0）. 时空三极环境大数据平台. 2018","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"Yearly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[3,5],"subtopics":{"metadata":"6b802190-e6ea-44db-b058-47873c4e4072","three_pole":"XDA19070104","third_pole":null},"username":"潘小多","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2520}