{"id":"e21907ba-a301-4ea3-9a9d-652095e52028","title":"三江源条带主要生态系统持久性有机污染物空间分布数据集（2018）","title_en":"Spatial distribution data set of persistent organic pollutants in main ecosystems of three river source regions","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":"数据文件包括两个子表，分别为土壤和植被。文件为Excel格式存储。","description":"本数据集包括三江源地区环境介质中主要持久性有机污染物的浓度和分布数据。样品采集于2018年5月，采样范围包括三江源自然保护区及其周边地区。样品经索氏提取-净化-浓缩等前处理步骤制备后，由气相色谱-离子阱质谱进行测定。目标化合物包括有机氯农药、多氯联苯、多环芳烃等。样品前处理过程中，添加Mirex和PCB-30作为回收率标志物。样品测试时的内标为PCNB和PCB-209。经计算样品回收率普遍在60%-101%之间。","doi":"10.11888/Geocry.tpdc.270441","projection":null,"language":"zh","share_type":"offline","east":99.1,"west":92.3,"south":31.0,"north":35.5,"scale":null,"crs":null,"filesize":0.01,"share_policy":"c","ts_created":"2020-01-18T06:26:19.188613+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T07:42:42.951178+08:00","time_description":"2018年","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":{"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":"Yearly","spatial_resolution":"0.5º - 1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"e21907ba-a301-4ea3-9a9d-652095e52028","three_pole":null,"third_pole":"XDA20040502"},"username":"XDA20040502","review_time":"2020-01-18T07:42:51.306982+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1804}