{"id":"18450c93-4e76-45b9-be26-66bb8fe8c623","title":"中蒙俄经济走廊植被覆盖度（1990、2000、2005）V1.0","title_en":"Vegetation coverage of China Mongolia Russia economic corridor (1990, 2000, 2005) V1.0","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":"数据以年份命名(fvc+年.tif)","description":"中蒙俄经济走廊植被覆盖度数据基于美国陆地资源卫星(Landsat)TM影响提取得到。数据集包括1990、2000和2005共三年植被覆盖度数据。先提取归一化植被指数NDVI，后转换成植被覆盖度。由于影像受云影响较大，本数据对有云数据利用附近年的同月份影像做替换。走廊土地覆被主要为草原（干草原），季节性和一次性降水对草地生长影响较大，故该数据仍存在不同时相拼接问题。此后我们将针对该问题提出适应的解决方法，并共享新版数据。如基于大量遥感数据（多时相），采用最大合成法提取植被覆盖度。","doi":"10.11888/Ecolo.tpdc.270244","projection":"","language":"zh","share_type":"offline","east":112.0,"west":105.0,"south":43.0,"north":52.0,"scale":null,"crs":null,"filesize":81.0,"share_policy":"c","ts_created":"2019-03-09T07:25:52.936827+08:00","doi_type":null,"ts_updated":"2021-04-19T06:02:00.999766+08:00","time_description":"","datas_group":0,"time_description_en":null,"data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"张扬建","username":"naqu3228","email":"zhangyj@igsnrr.ac.cn","is_cancel_expert":true}],"review_editor":{"id":21054,"last_login":"2022-04-10T10:49:12.540341+08:00","username":"tingting","email":"panxd@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"潘小多"},"data_sources":"","temporal_resolution":"1 year < x < 10 year","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"18450c93-4e76-45b9-be26-66bb8fe8c623","three_pole":null,"third_pole":"XDA20030202"},"username":"XDA20030202","review_time":"2019-03-09T10:14:12.942375+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2591}