{"id":"5fa6dd3c-69b4-4d99-beed-a14d6702794c","title":"川西高原汶川黄土剖面的年代和环境指标数据集","title_en":"Chronological and environmental index data set of Wenchuan  loess profile in Western Sichuan Plateau","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":"汶川（WCH）剖面的年代数据、粒度数据和容重数据以CSV格式存储，文件的名称为“Chronology data of WCH Section”和“Grain size and bulk density data of WCH section”。该数据表可以可用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汶川（WCH）黄土-古土壤序列的年代数据、粒度数据和容重数据。我们分别按照2.5-5 cm间隔测量该剖面（10 m）的粒度和容重数据。所有光释光年代、粒度、容重测定都在兰州大学西部环境重点实验室完成。所有AMS14C定年样品都在北京大学完成测试。光释光年代测试使用Risø TL/OSL DA-20型释光分析仪；粒度数据使用Malvern Mastersizer 2000激光粒度仪测定；容重数据使用油浸法测定；该数据提供了青藏高原东部地区末次冰期以来的黄土-古土壤序列的详细年代学数据以及粒度和容重变化特征，为认识青藏高原东部地区青藏高原东部黄土古环境、古气候研究、粉尘积累历史提供了重要数据参考。","doi":"10.11888/Paleoenv.tpdc.271807","projection":"","language":"zh","share_type":"protected","east":103.57,"west":103.57,"south":31.45,"north":31.45,"scale":null,"crs":null,"filesize":1.0,"share_policy":"a","ts_created":"2021-11-10T19:35:31.670842+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-13T09:01:12.204735+08:00","time_description":"~57.7ka","datas_group":0,"time_description_en":"~57.7ka","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":[6,21],"subtopics":{"metadata":"5fa6dd3c-69b4-4d99-beed-a14d6702794c","three_pole":null,"third_pole":"XDA20000000"},"username":"张镭","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":449}