{"id":"23b54a2c-00ef-4e57-a252-e60bbe638566","title":"藏东南大气持久性有机污染物长期序列浓度数据集（2012-2014）","title_en":"Long-term dataset of concentrations of atmospheric POPs in the southeast Tibet (2012-2014)","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":"本数据集为在藏东南站（鲁朗）实际观测的大气持久性有机污染物（POPs）长时间序列的浓度数据,包括有机氯农药（OCPs）、多氯联苯（PCBs）、多环芳烃（PAHs)。样品采集使用了安装玻璃纤维膜-聚氨酯泡沫串联采样头的大气主动采样器，采集气态污染物和大气总悬浮颗粒物。其中玻璃纤维膜用于采集总悬浮颗粒物、聚氨酯泡沫用于吸附大气中的气态污染物。采样期间，采样器隔天运行，每次运行约24小时，每个样品采集2周。每个样品采集的大气体积为700立方米。气态和颗粒态POPs样品均在青藏高原研究所环境变化与地表过程重点实验室进行样品前处理和仪器分析。样品前处理步骤包括索式提取、硅胶-氧化铝柱净化、过GPC柱去除大分子杂质、浓缩定容等步骤。分析测试仪器为热电公司生产的气相色谱/离子阱质谱（Finnigan-TRACE GC/PolarisQ），分离OCPs和PCBs的色谱柱为CP-Sil 8CB毛细柱（50 m×0.25 mm×0.25 μm），分离PAHs的色谱柱为DB-5MS毛细柱（60 m×0.25 mm×0.25 μm）。野外样品均进行了严格质量控制，设置了实验室空白和野外空白。PAHs实验室样品的回收率在65-92%之间，OCPs的实验室样品的回收率在64-112%之间，样品浓度未使用回收率进行校正。","doi":"10.11888/Geogra.tpdc.270218","projection":null,"language":"zh","share_type":"offline","east":94.73,"west":94.73,"south":29.77,"north":29.77,"scale":null,"crs":null,"filesize":0.04,"share_policy":"c","ts_created":"2019-01-07T23:07:34.073510+08:00","doi_type":"","ts_updated":"2021-04-20T00:33:26.521743+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"丛志远","username":"zhiyuancong","email":"zhiyuancong@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":null,"data_sources":"","temporal_resolution":"Monthly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6,21],"subtopics":{"metadata":"23b54a2c-00ef-4e57-a252-e60bbe638566","three_pole":null,"third_pole":"XDA20040502"},"username":"XDA20040500","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":1900}