{"id":"0ba260ce-04fa-4a6f-b857-53b6291646ae","title":"青藏高原3m深度土壤碳库格点数据（2019）","title_en":"Tibetan soil carbon pool to 3 m depth (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":"数据文件以表格形式存储，可用Microsoft Office中的Excel软件进行查看和编辑；\nR语言文件可用RStudio等软件打开查看。","description":"本数据集来源于论文：Ding, J., Wang, T., Piao, S., Smith, P., Zhang, G., Yan, Z., Ren, S., Liu, D., Wang, S., Chen, S., Dai, F., He, J., Li, Y., Liu, Y., Mao, J., Arain, A., Tian, H., Shi, X., Yang, Y., Zeng, N., & Zhao, L. (2019). The paleoclimatic footprint in the soil carbon stock of the Tibetan permafrost region. Nature Communications, 10(1), 4195. doi:10.1038/s41467-019-12214-5. \n数据中包含新评估的青藏高原3m深度土壤有机碳库格点数据及相应的R代码，格点数据空间分辨率为0.1°。\n以往对青藏高原土壤碳库的评估多以现代气候、植被等特性为根据，未考虑古气候条件、土层厚度等因素的影响。本研究中，研究人员综合考虑了古气候和现代气候条件、土层厚度和土壤理化属性、植被和地形等因素，通过机器学习算法重新评估了青藏高原3m深度土壤碳库。新评估得到的青藏高原土壤碳储量为36.6 Pg C (38.9-34.2 Pg C)，约为陆地生态系统模型模拟均值的3倍(11.5±4.2 Pg C)。同时，研究指出，模型中缺乏对古气候影响的考虑是导致模拟偏差的重要原因。\n数据中包含以下字段：\nLongitude (°E)\nLatitude (°N)\nSOCD (0-30cm) (kg C m-2)\nSOCD (0-300cm) (kg C m-2)\nGridArea (k㎡)\n3mCstcok (10^6 kg C)","doi":"10.11888/Geocry.tpdc.270912","projection":"","language":"zh","share_type":"online","east":104.3,"west":73.5,"south":26.0,"north":40.0,"scale":null,"crs":null,"filesize":1.27,"share_policy":"a","ts_created":"2020-09-29T19:26:00.192824+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T20:56:33.620157+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11,12],"specials":[],"cite":null,"review_status":5,"review_invite":[],"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":"0.1º - 0.25º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"0ba260ce-04fa-4a6f-b857-53b6291646ae","three_pole":null,"third_pole":"XDA20050101"},"username":"闫梦还","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":true,"hit_count":6174}