{"id":"4f226afa-261f-4663-88ba-6a01f01c0f4c","title":"青藏高原湖泊表层沉积物、达则错湖泊悬浮物brGDGTs数据集","title_en":"BrGDGT data sets of  lake surface sediments and  settling particles from Dagze Co in Qinghai Tibet 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":"数据以表格xls格式储存，命名为“brGDGTs of surface sediment at Tibetan lakes, Dagze Co lake trap, and Xiada Co fossil.xlsx”其中包含3个sheets，分别为Chinese surface sediments, lake trap和Xiada Co fossil。Chinese surface sediments包含23个字段，分别为No. （序号）, Location（位置）, Longtitude (°) （经度）, Latitude (°)（纬度）, Ia, Ib, Ic, IIa, IIa', IIb, IIb', IIc, IIc', IIIa, IIIa', IIIb, IIIb', IIIc, IIIc', MBT'6me, MAT6me（重建的温度）, MAT (°C)（观测温度）, Ref data（参考文献）；lake trap包含24个字段，分别为分别为No. （序号）, Location（位置）, sample types（样品类型）， Longtitude (°) （经度）, Latitude (°)（纬度）, Ia, Ib, Ic, IIa, IIa', IIb, IIb', IIc, IIc', IIIa, IIIa', IIIb, IIIb', IIIc, IIIc', MBT'6me, MAT6me（重建的温度）, MAT (°C)（观测温度）, Ref data（参考文献）；Xiada Co fossil包含20个字段，分别为分别为Sample Name（样品名称），Age（CE）（样品年代），Ia, Ib, Ic, IIa, IIa', IIb, IIb', IIc, IIc', IIIa, IIIa', IIIb, IIIb', IIIc, IIIc', MBT'6me, MAT6me（重建的温度）。","description":"近年来，来源于微生物细胞膜脂的支链甘油二烷基甘油四醚（brGDGTs）对环境参数（温度和pH等）敏感，被广泛用于古环境的定量重建当中。作者利用青藏高原湖泊表层沉积物，结合国内已发表的其他湖泊表层沉积物中的brGDGTs重新建立brGDGT与大气温度的转换方程。通过收集达则错湖泊全年的悬浮物并进行brGDGTs分析，重建湖水中brGDGTs在不同层位的含量变化。结合现代观测结果以及新的校正方程，利用夏达错湖泊沉积物中brGDGT的结果，重建青藏高原西部过去2000年的大气温度变化，这一结果为高原未来利用brGDGTs重建温度提供重要的理论参考。","doi":"10.11888/Paleoenv.tpdc.271728","projection":"","language":"zh","share_type":"online","east":99.0,"west":79.0,"south":29.0,"north":39.0,"scale":null,"crs":null,"filesize":0.041,"share_policy":"a","ts_created":"2021-09-30T10:56:32.698963+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-04T15:26:37.900235+08:00","time_description":"现代","datas_group":2,"time_description_en":"modern","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21054,"last_login":"2022-04-10T10:49:12.540341+08:00","username":"tingting","email":"panxd@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"潘小多"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[645],"subtopics":{"metadata":"4f226afa-261f-4663-88ba-6a01f01c0f4c","three_pole":null,"third_pole":null},"username":"梁洁","review_time":null,"protected_duration":0,"protected_describe":"准备投稿","is_important":false,"hit_count":68}