{"id":"47acf141-2c86-4e1f-8f68-036ae57d268e","title":"三江源积雪深度遥感产品（1980-2020年）","title_en":"Remote sensing products of snow depth in Sanjiangyuan (1980-2020)","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":"文件命名方式为：区域缩写_YYYYDDD.txt,YYYY表示年份，DDD表示第DDD天。","description":"本数据集来源于中国长时间序列雪深数据集，利用三江源边界进行提取形成三江源雪深数据集。取值范围：0-100 cm。时间分辨率：逐日。空间分辨率为0.25 度（约25km），时间范围是1980年1月1日至2020年12月31日。雪深数据基于星载被动微波遥感数据生产，使用了三个不同的被动微波传感器数据，它们分别是SMMR,SSM/I和SSMI/S。由于不同的传感器之间存在一定的系统偏差，因此，首先对不同传感器的数据进行了交叉订正，然后再基于被动微波亮度温度梯度法制作中国长时间序列雪深数据集。头文件信息可参考数据集header.txt。","doi":"10.11888/Snow.tpdc.271231","projection":"","language":"zh","share_type":"online","east":102.58,"west":89.15,"south":30.79,"north":37.38,"scale":null,"crs":null,"filesize":111.0,"share_policy":"a","ts_created":"2019-12-03T09:20:39.797509+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-22T07:56:42.220462+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11,12],"specials":["d09c103c-0e37-4b09-a609-6d77c982ae37"],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21056,"last_login":"2022-02-09T12:02:24.544987+08:00","username":"huxiaoli","email":"huxiaoli@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"胡晓利"},"data_sources":"","temporal_resolution":"Daily","spatial_resolution":"km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[241,242],"subtopics":{"metadata":"47acf141-2c86-4e1f-8f68-036ae57d268e","three_pole":null,"third_pole":null},"username":"胡晓利","review_time":"2020-01-07T09:34:08.206390+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":6584}