{"id":"b1084d51-b687-44a0-8eee-cdbf1662a745","title":"甘南玛曲风成沉积剖面的年代数据和环境指标数据集","title_en":"Chronological data and environmental index data set of Gannan Maqu aeolian sedimentary profile","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":"玛曲桥（MQQ）风成剖面的的年代数据、磁学数据、粒度数据以csv格式存储，文件的名称为“Grain size and magnetic suscepitbility data of the MQQ sectionl”和“Chronology data of MQQ section”。 该数据表可以用Microsoft Office中的Excel软件进行查看和编辑","description":"本数据为青藏高原东部玛曲桥（MQQ）风成沉积序列的年代数据、磁学数据、粒度数据。我们按照2.5 cm间隔测量该剖面的磁化率数据和粒度数据。AMS14C定年样品在北京大学和美国Beta实验室完成测试。其余实验分析在兰州大学西部环境教育部重点实验室完成。光释光年代测试使用Risø TL/OSL DA-20型释光分析仪；磁化率使用Bartington MS 2型磁化率仪测定；粒度数据使用Malvern Mastersizer 2000激光粒度仪测定；该数据展示了青藏高原东部地区全新世以来的风成沉积序列的磁化率和粒度变化特征，对研究青藏高原东部与沙漠化和土地严重退化相关联的风沙活动具有重要的参考意义。","doi":"10.11888/Paleoenv.tpdc.271808","projection":"","language":"zh","share_type":"protected","east":102.078,"west":102.078,"south":33.961,"north":33.961,"scale":null,"crs":null,"filesize":1.0,"share_policy":"a","ts_created":"2021-11-11T22:53:52.836774+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-13T08:50:14.262845+08:00","time_description":"~10ka","datas_group":0,"time_description_en":"~10ka","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"李育","username":"李育","email":"liyu@lzu.edu.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":"100 year < x < 1000 year","spatial_resolution":"<= 0.01º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"b1084d51-b687-44a0-8eee-cdbf1662a745","three_pole":null,"third_pole":"XDA20000000"},"username":"张镭","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":467}