{"id":"f57e8902-9da0-4571-9c1f-d40af7ba204e","title":"中梁山洼地表土理化指标数据集","title_en":"Dataset of Physical and Chemical Indicators of Surface Soil in Zhongliang Mountain 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泥沙采样与分析测试规范，全程由本项目组成员自主完成，核心围绕岩溶槽谷区洼地开展，旨在为该区域洼地定量泥沙来源计算提供精准、可靠的数据支撑。生产前期，项目组成员结合岩溶槽谷区洼地的地形地貌、水土流失特征，在洼地及周边潜在泥沙来源区域，科学布设采样点位，确保采样覆盖全面、具有代表性。采样过程中，采用标准化采样方法，精准采集不同区域、不同深度的泥沙样品，采集后及时封装、标记，严格避免样品混杂、污染，保障样品原始特性不受破坏。后续，项目组成员对采集的泥沙样品进行系统的分析测试，严格按照规范流程操作，精准测定样品相关核心指标，全面捕捉泥沙的物质组成、粒度等关键特征。","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":0.012,"share_policy":"c","ts_created":"2026-04-16T15:06:37.406100+08:00","doi_type":"拥有自主知识产权","ts_updated":"2026-04-16T15:23:51.470460+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":"Daily","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"f57e8902-9da0-4571-9c1f-d40af7ba204e","three_pole":null,"third_pole":null},"username":"weber","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":18}