{"id":"5a1b346b-f3fe-4a75-837f-e67e34c6b393","title":"1980年以来青藏高原草地生产力数据","title_en":"Grassland productivity on the Qinghai-Tibetan Plateau since 1980","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":"文件命名：产草量数据以ASCII码文件存储，文件的名称为“agb_yyyy.asc\", 其中yyyy代表年。比如agb_2000就代表这个ASCII文件描述2000年青藏高原的产草量状况。\n数据读取方式：该数据集中的所有ASCII码文件可以直接用文本程序（如记事本）打开，除了头文件，主体内容为数值表征产草量，如果要用图示来显示的话，可用Arcgis打开，在读取过程中会生成grid格式的文件，所显示的grid文件就是该ASCII码文件的图形表达。","description":"数据集包含1980，1990，2000，2010，2017年青藏高原草地产草量空间分布。基于中国科学院地理科学与资源研究所具有自主知识产权的生态水文动力模型VIP（Vegetation Interface Process) 模拟了青藏高原草地总初级生产力（GPP），利用经验系数估算了净初级生产力（NPP），将NPP换算为干物质，再根据根冠比估算了干草产量。空间分辨率1公里。该数据集将为草地资源管理、开发、利用以及“以草定畜”策略的制定提供依据。","doi":"10.11888/Ecolo.tpdc.270430","projection":"","language":"zh","share_type":"online","east":104.78,"west":73.32,"south":26.0,"north":39.78,"scale":null,"crs":null,"filesize":269.0,"share_policy":"a","ts_created":"2020-02-06T09:46:24.742831+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T17:16:34.856281+08:00","time_description":"40年来","datas_group":3,"time_description_en":"for 40 years","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"陈彬","username":"chenb","email":"chenb@bnu.edu.cn","is_cancel_expert":false}],"review_editor":{"id":42023,"last_login":"2022-03-24T09:37:33.507049+08:00","username":"yanmh","email":"yanmh@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"闫梦还"},"data_sources":null,"temporal_resolution":"1 year < x < 10 year","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"5a1b346b-f3fe-4a75-837f-e67e34c6b393","three_pole":null,"third_pole":"XDA20040301"},"username":"XDA20040301","review_time":"2020-02-07T03:08:12.082051+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":3694}