{"id":"a2894849-1166-479d-8726-60edf727cd46","title":"柴达木盆地花土沟剖面孢粉数据集","title_en":"Sporopollen Dataset of the Outcrops Retrived from Qaidam Basin","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xlsx格式存储，命名：柴达木盆地花土沟剖面孢粉数据集.xlsx,可用Office等办公软件打开读取","description":"数据包含柴达木盆地花土沟剖面~4000米新生代沉积物的孢粉和微体炭屑数据。沉积物中的孢粉和炭屑记录了地质历史时期植被组合变化和野火演化等信息，是目前古环境研究的重要气候代用指标。花土沟沉积物样品经破碎和孢粉提取处理后在显微镜下按照孢粉统计标准和炭屑的粒径形态进行统计分析。通过孢粉分析，发现早期为相对湿润的环境，到了中后期随着全球变冷，该地区气候变得相对干冷，植被中耐旱类型增多，植被类型变得简单。通过对花土沟剖面的高分辨率微体炭屑的数据，可以重建柴达木盆地早渐新世以来的古火演化及其干旱环境的演化历史。","doi":"","projection":"","language":"zh","share_type":"online","east":93.0,"west":88.0,"south":37.0,"north":39.0,"scale":null,"crs":null,"filesize":0.163,"share_policy":"a","ts_created":"2019-12-06T03:50:28.293996+08:00","doi_type":"","ts_updated":"2021-04-19T15:45:34.476609+08:00","time_description":"","datas_group":3,"time_description_en":"","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":"Hourly","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"a2894849-1166-479d-8726-60edf727cd46","three_pole":null,"third_pole":"XDA20070202"},"username":"XDA20070202","review_time":"2019-12-06T08:06:46.298154+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1686}