{"id":"086197b0-70e7-44ac-b3dd-b992fb9911b2","title":"青藏高原西部夏达错晚全新世GDGTs数据和叶腊脂肪酸数据","title_en":"Late Holocene GDGTs and leaf wax fatty acid data from Xiada Co, western Qinghai Xizang 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":"该数据以Excel格式存储，表格中包含过去两千年以来夏达错湖芯的支链GDGTs化合物数据和叶腊脂肪酸化合物数据。","description":"本数据是研究团队应用有机地球化学方法获得的青藏高原西部夏达错过去2000年的GDGTs数据和脂肪酸数据记录。夏达错湖芯采于2014年夏季，采样点（33.392°N、79.363°E，4373m）水深约19米。湖泊沉积物中叶腊脂肪酸和GDGTs的提取采用超声波萃取法，化合物的提取和测试在中国科学院青藏高原研究所环境变化与地表过程实验室进行。沉积物中叶腊脂肪酸化合物的检测仪器为气相色谱-火焰离子检器（GC-FID，型号: Agilent 7890A)。GDGTs化合物的测试仪器为HPLC-APCI-MS (Agilent 1200 HPLC+6100 MS)，采用3根色谱柱串联的方法进行测试，色谱柱型号为（Hypersil GOLD Silica, 100 mm× 2.1 mm, 1.9 μm），硅胶柱串联有效的分离了5-甲基bGDGTs异构体和6-甲基bGDGTs异构体。本数据可以提供晚全新世高原西部人类活动的气候环境背景，为理解过去2000年青藏高原西部气候变化过程和机制提供依据，为气候模拟提供边界条件。","doi":"10.11888/Paleoenv.tpdc.272105","projection":"","language":"zh","share_type":"offline","east":79.42,"west":79.33,"south":33.38,"north":33.42,"scale":null,"crs":null,"filesize":0.15,"share_policy":"b","ts_created":"2022-03-02T13:40:42.178784+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-03-02T20:23:10.799472+08:00","time_description":"过去2000年","datas_group":0,"time_description_en":"the past 2000 years","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":"10 year < x < 100 year","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6,807],"subtopics":{"metadata":"086197b0-70e7-44ac-b3dd-b992fb9911b2","three_pole":null,"third_pole":"XDA20090000"},"username":"李秀美","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":50}