{"id":"3256c350-648c-4c04-8c13-3e3b4718075a","title":"2017年5月-2019年6月青木关骝公桥水体采样实测数据","title_en":"Measurement data of water sampling at Liugong Bridge in Qingmuguan from May 2017 to June 2019","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":"数据命名格式：\n命名规则为“YYYY.DDD.csv”，其中YYYY代表年份，DDD代表一年某一天。","description":"本数据集的观测生产过程严格遵循水质采样与检测规范，聚焦青木关骝公桥区域水体，以水样品精准采集、分类检测为核心，全程规范操作，确保数据真实可靠、分类清晰，满足水体环境研究及水质分析需求。生产前期，工作人员在青木关骝公桥水体区域，结合水体分布特点科学布设采样点位，采用标准化方法采集水样，采集后及时封装、标记，严格避免样品污染、变质，保障水样原始理化特性不受破坏。检测阶段，按指标类型采用对应专业仪器分类检测：Cl、NO3-、SO42-通过ICS-90离子色谱仪完成分析检测；K、Na、Ca、Mg等10项阳离子采用ICP-OES仪器进行精准分析。同时，现场采用专用仪器就地实测相关指标，其中PH、T、DO、EC、NO3-使用YSI ProQuatro手持式多参数水质检测仪每日就地实测，Eh使用WTW手持数字多参数计3420就地实测，Ca、HCO3-采用半定量试剂盒检测","doi":"","projection":"WGS84","language":"zh","share_type":"offline","east":110.2,"west":97.3,"south":21.1,"north":34.4,"scale":null,"crs":null,"filesize":1.0,"share_policy":"c","ts_created":"2026-04-16T17:18:23.718846+08:00","doi_type":"拥有自主知识产权","ts_updated":"2026-04-16T18:05:46.060061+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Monthly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"3256c350-648c-4c04-8c13-3e3b4718075a","three_pole":null,"third_pole":null},"username":"weber","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":7}