{"id":"b7e36d4d-202b-4237-84e4-9e968e68a310","title":"北碚区槽上撂荒地观测场土壤理化指标数据集","title_en":"Soil Physical and Chemical Index Dataset of Caoshang Abandoned Land Observation Site in Beibei District","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严格遵循土壤检测规范，由金佛山国家野外站工作人员全程操作，核心围绕重庆市南川区北碚区槽上撂荒地观测场展开，聚焦土壤样品的采集与多指标检测。生产前期，工作人员在撂荒地观测场内科学布设采样点位，兼顾区域代表性，采用标准化方法采集土壤样品，采集后及时封装、标记，严格避免样品污染、失水，确保样品理化性质稳定。后续将采集的土壤样品送至专业实验室，按照规范检测流程，系统测定多项核心指标，包括碱解氮、速效钾、有效磷、全磷、全钾的含量，同时精准检测土壤粒度、碳氮硫元素含量，全面捕捉撂荒地土壤理化特征。检测过程中严格把控操作标准，对每一组数据进行多次校验，剔除异常值，确保数据精准可靠。整个生产流程规范有序，最终形成完整数据集，为撂荒地土壤肥力评估、养分循环及生态修复研究提供坚实的数据支撑。","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":3.95,"share_policy":"c","ts_created":"2026-04-16T12:45:28.542216+08:00","doi_type":"拥有自主知识产权","ts_updated":"2026-04-16T15:06:20.660625+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":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"b7e36d4d-202b-4237-84e4-9e968e68a310","three_pole":null,"third_pole":null},"username":"weber","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":17}