{"id":"5511314d-54c2-4b18-8eab-baf3b61d5775","title":"基于多源数据产品集成分类制作的青藏高原现状植被图（2020）","title_en":"A new vegetation map for Qinghai-Tibet Plateau by integrated classification from multi-source data products（2020）","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：文件命名为“TP_Classification_250m_2020.tif”。其中，250m 代表数据分辨率，2020代表数据能反映2020年的植被现状。\n数据读取方式：数据以GeoTiff格式存储，存储方式为BSQ，可用ENVI、ArcGIS、Erdas等软件打开。","description":"充分利用多源植被分类/土地覆盖分类产品各自的优势，通过专门设计与青藏高原植被类型相适应的植被分类体系，选用集成分类方法，在数据可靠性的基础上遵循一致性的原则，制作了青藏高原现状植被图，其在现势性、分类体系的针对性和分类精度上均表现更优。从分类结果的现势性来看，青藏高原现状植被图较早期中国植被图能更好地反映青藏高原植被覆盖现状；从分类体系的针对性来看，青藏高原现状植被图采用了针对青藏高原植被专门设计的分类体系，有利于从多源数据产品中充分提取出具备高可靠性和一致性的植被覆盖信息；从分类精度来看，青藏高原现状植被图的总体精度（78.09%，Kappa系数0.75）较已有相关数据产品提高了18.84% ~ 37.17%，特别是对草地、灌丛等植被类型的分类精度有明显提升。","doi":"10.11888/Terre.tpdc.271997","projection":"Beijing1954","language":"zh","share_type":"online","east":104.65,"west":73.16,"south":23.05,"north":43.36,"scale":null,"crs":null,"filesize":155.0,"share_policy":"a","ts_created":"2021-12-11T21:41:52.937988+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-01-06T20:11:07.926475+08:00","time_description":"2020年","datas_group":3,"time_description_en":"2020","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"冯敏","username":"mfeng","email":"mfeng@itpcas.ac.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":"Yearly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[738],"subtopics":{"metadata":"5511314d-54c2-4b18-8eab-baf3b61d5775","three_pole":null,"third_pole":null},"username":"张慧","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":294}