{"id":"bda5d504-a9bf-4b9f-a6bd-26ee3eef3589","title":"青藏高原南部羊卓雍错湖芯TOC、CaCO₃、粒度、环境磁学参数序列数据库（600-1998）","title_en":"Sequence database of the lake core TOC, CaCO₃, particle size and environmental magnetism parameters of Yamzhog Yumco, Southern Tibetan Plateau (600-1998)","serial":"泛第三极环境大数据平台","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。资助项目：国家重点基础研究发展计划-青藏高原环境变化及其对全球变化的响应与适应对策。联系人：朱立平，电子邮件：lpzhu@itpcas.ac.cn。","instructions":"","description":"本数据集包含青藏高原南部羊卓雍错自600年至1998年的湖芯TOC、CaCO₃、粒度、环境磁学参数序列，用于研究羊卓雍错地区1400a来环境变化。\n本数据集由实验室测量获取，由仪器或者实验完成后直接得到数据，在各个环节严格按照相关操作规程进行样品和数据采集，符合各实验室操作标准规范。\nTOC分析利用CS-344型分析仪测定，CaCO₃含量用普通化学分析法测定，粒度用Malvern Mastersizer2000型激光粒度仪测量，环境磁学参数利用卡帕桥和DIGICO磁力仪和超导磁力仪测定。\n岩芯采自青藏高原南部羊卓雍错流域沉错湖内，大致采样位置为：90.49E，28.93N，湖面海拔：4420m。\n数据集包含3个数据表：\n数据表1：TOC，有4个字段，分别为样品号、深度、年龄、TOC；\n数据表2：碳酸钙和粒度，有4个字段，分别为深度、年龄、CaCO₃、平均粒径；\n数据表3：磁学参数，有4个字段，字段1为深度、字段2为年龄、字段3不同的环境磁学指标参数名称、字段4是该指标参数的值；   \n各表中字段量纲：样品号无量纲，深度为cm，年龄为aBP，TOC和CaCO₃为百分含量，粒度为μm，各磁学参数皆为国际单位制的量纲。","doi":"10.11888/AtmosphericEnvironment.tpe.31.db","projection":"","language":"zh","share_type":"online","east":91.0,"west":90.0,"south":28.0,"north":29.0,"scale":null,"crs":"","filesize":0.36,"share_policy":"a","ts_created":"2018-07-18T09:20:45+08:00","doi_type":null,"ts_updated":"2021-04-18T21:28:37.969198+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":"EXCEL","project":[11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"青藏高原南部羊卓雍错湖芯TOC、CaCO、粒度、环境磁学参数序列数据库.泛第三极环境大数据平台.1998","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":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[34],"subtopics":{"metadata":"bda5d504-a9bf-4b9f-a6bd-26ee3eef3589","three_pole":null,"third_pole":null},"username":"SDB","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2056}