{"id":"5d35be8d-c927-4dc9-ba38-6c2fa4fa1330","title":"柴达木盆地大红沟DHG孢粉数据（20201208）","title_en":"Pollen data of DHG Section in Qaidam Basin (20201208)","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":"表格形式，可以采用EXCEL打开查看和分析.","description":"按照计划，对柴达木盆地新生代大红沟剖面的252个地层沉积样品在实验室进行孢粉和碳屑的提取工作，实验采用HF提取方法，然后通过镜下鉴定种类并计算含量，进而开展孢粉-炭屑研究。前期通过现代观测和表土样品分析初步建立了孢粉（碳屑）-植被-气候之间的关系，在此基础上拟通过结合过去已开展的剖面和钻孔孢粉和微体炭屑数据，建立柴达木盆地过去近30 Ma以来的炭屑序列，进而探讨过去植被-古火的变化历史及其与重大生态气候环境事件之间的关系，为理解该地区古地理格局、古气候和古环境的演化及其驱动机制提供重要证据。本次提交的大红沟孢粉数据是严格按照申请书计划开展的孢粉样品分析结果，通过常规分析并对其中20%的样品进行复检，个别样品进行了多次鉴定统计。在大量时间、实验室条件得以保证的基础上，最终获得有效孢粉数量非常有限，基本能够满足上述科学问题研究需要，但未来需要进一步加强分析。","doi":"10.11888/Paleoenv.tpdc.271009","projection":"","language":"zh","share_type":"offline","east":95.21,"west":95.21,"south":37.5,"north":37.5,"scale":null,"crs":null,"filesize":0.03,"share_policy":"c","ts_created":"2020-10-25T00:00:00+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T17:17:12.161172+08:00","time_description":"3000万年来","datas_group":0,"time_description_en":"since 30 Ma","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"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":"1000 year < x","spatial_resolution":"1º-10º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"5d35be8d-c927-4dc9-ba38-6c2fa4fa1330","three_pole":null,"third_pole":"XDA20070202"},"username":"XDA20070202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1168}