{"id":"b57c971a-28c1-436d-a716-e3a9f69a47f9","title":"青藏高原地区土壤有机质数据（1979-1985）","title_en":"Data of soil organic matter in Qinghai-Tibet Plateau (1979-1985)","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":"SOM.nc","description":"数据包含青藏高原地区的土壤有机质数据，空间分辨率为1km*1km，时间覆盖范围为1979-1985年。数据来源是基于第二次土壤普查数据生成的土壤碳含量。土壤有机质主要来源于植物、动物及微生物残体，其中高等植物为主要来源。原始土壤中最早出现在母质中的有机体是微生物。随着生物的进化和成土过程的发展，动物、植物残体及其分泌物就成为土壤有机质的基本来源。数据对于分析青藏高原的生态环境以及衡量区域土壤特征具有重要意义。","doi":"","projection":"","language":"zh","share_type":"online","east":104.38,"west":73.44,"south":25.99,"north":40.02,"scale":null,"crs":null,"filesize":1986.56,"share_policy":"a","ts_created":"2019-01-12T16:43:25.933589+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-11-02T16:10:21.929641+08:00","time_description":"1979-1985","datas_group":3,"time_description_en":"","data_format":null,"project":[11,12],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"秦军","username":"秦军","email":"shuairenqin@itpcas.ac.cn","is_cancel_expert":true}],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"Yearly","spatial_resolution":"km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"b57c971a-28c1-436d-a716-e3a9f69a47f9","three_pole":null,"third_pole":"XDA20020402"},"username":"XDA20020402","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2837}