{"id":"d401e231-17ef-4621-b1f0-d5e840859508","title":"青藏高原农业土地敏感性分级图（2015）","title_en":"Agricultural land sensitivity classification map of Qinghai Tibet Plateau (2015)","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：该数据以tif文件格式存储，文件的名称为：\ncultivated land sensitivity.tif\nforest land sensitivity.tif\ngrassland sensitivity.tif。\n数据读取方式：可用Arcgis打开，数据包括2015年青藏高原耕地、草地和林地的敏感性评价等级，1代表不敏感，2代表低敏感，3代表中敏感，4代表高敏感。坐标系投影：Albers_Conic_Equal_Area","description":"本研究以2015年青藏高原耕地、林地及草地为评价对象，分析对土地敏感性影响显著的地形、气候、土壤和植被因子（地形：海拔、坡度；气候：日照时数、≥0℃积温、年平均降水量；土壤：土壤质地、土壤侵蚀强度、土层厚度；植被：植被类型、NDVI），建立农业土地敏感性评价指标体系。使用AHP法确定评价因子权重，依据ArcGis自然间断点分级法得到耕地、林地以及草地的敏感性等级，输出250m分辨率的青藏高原农业土地敏感性图纸，并对结果校验分析。","doi":"","projection":"Albers","language":"zh","share_type":"online","east":104.0,"west":73.0,"south":39.0,"north":26.0,"scale":null,"crs":null,"filesize":13.2,"share_policy":"a","ts_created":"2020-01-10T01:14:54.600812+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T00:38:42.856806+08:00","time_description":"2015","datas_group":3,"time_description_en":"2015","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"张扬建","username":"naqu3228","email":"zhangyj@igsnrr.ac.cn","is_cancel_expert":true},{"user_name":"马明国","username":"mmgswu","email":"mmg@swu.edu.cn","is_cancel_expert":false}],"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":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"d401e231-17ef-4621-b1f0-d5e840859508","three_pole":null,"third_pole":"XDA20040301"},"username":"XDA20040301","review_time":"2020-05-02T12:20:05.707084+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1703}