{"id":"295a599e-b1ab-4ebd-9ef2-ffb654229fae","title":"川西高原甘孜黄土剖面的环境指标数据集","title_en":"Environmental index data set of Ganzi 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":"甘孜XS黄土剖面的磁学数据、粒度数据、色度数据、漫反射光谱针/赤铁矿峰高数据、有机质稳定碳同位素数据以CSV格式存储，文件的名称分别为“Magnetic susceptibility and Grain size of  XS section”、“Magnetic parameters of XS section”、“Hysteresis loop data of XS section、“Chromaticity , first and second derivative peaks of diffuse reflectance spectradata of XS Section”、 “Organic matter stable carbon isotope data of XS section”，“Total organic carbon and organic matter stable carbon isotope data of XS 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甘孜新市（XS）黄土-古土壤序列的磁学数据、粒度数据、色度数据、漫反射光谱针/赤铁矿峰高数据、有机质稳定碳同位素数据。我们按照2.5 cm间隔测量该剖面（10 m）的磁化率和粒度数据，5cm间隔测量无磁滞剩磁和等温剩磁数据，同时提供5组磁滞回线测量结果。分别按照10 cm 和20 cm间隔测量该剖面总有机碳（TOC）和有机碳同位素。磁化率实验分析在兰州大学西部环境教育部重点实验室完成，剩磁和磁滞回线分析实验在中国科学院青藏高原研究所大陆碰撞和高原隆升重点实验室古地磁实验室完成。色度分析在黄土与第四纪地质国家重点实验室进行。磁化率使用Bartington MS2型磁化率仪测定，无磁滞剩磁使用美国ASCIM-10-30脉冲磁力仪和Molspin Minispin小旋转磁力仪测定，等温剩磁使用ASCIM-10-30型脉冲强磁仪、2G-755超导磁力仪和JR-6A旋转磁力仪测定；粒度数据使用Malvern Mastersizer 2000激光粒度仪测定；色度和漫反射光谱使用CM-700d分光光度计测定。采用MAT-253同位素比值质谱仪对样品的δ13Corg进行测定。该数据提供了青藏高原东部地区末次间冰期以来的黄土序列的磁学性质和色度变化特征的认识，对研究青藏高原东部黄土古环境、古气候研究及其与周边大气环流之间的联系具有重要的作用。","doi":"10.11888/Paleoenv.tpdc.271809","projection":"","language":"zh","share_type":"protected","east":99.98,"west":99.98,"south":31.62,"north":31.62,"scale":null,"crs":null,"filesize":2.0,"share_policy":"a","ts_created":"2021-11-10T21:39:35.398043+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-12-27T14:51:19.478321+08:00","time_description":"`127ka","datas_group":0,"time_description_en":"·127ka","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":[21],"subtopics":{"metadata":"295a599e-b1ab-4ebd-9ef2-ffb654229fae","three_pole":null,"third_pole":null},"username":"张镭","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":578}