{"id":"bd472036-b36e-42b8-ac28-c1c13d39ed8a","title":"中蒙俄经济走廊区1km分辨率植被盖度数据（V1.0）（2000-2020）","title_en":"Vegetation Coverage Data of the China-Mongolia-Russia Economic Corridor with a Resolution of 1km from 2000 to 2020 (Version 1.0)","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":"栅格形式（TIFF），可用ARCGIS打开查看","description":"基于MODIS卫星遥感数据，计算中蒙俄经济走廊区整体的植被盖度（VC）。传统的VC计算公式选取归一化植被指数（NDVI）做为变量。为订正土壤背景以及大气作用带来的偏差，本数据集在VC计算过程中，用增强型植被指数（EVI）代替NDVI。其原始数据为1千米分辨率Terra MODIS植被指数第6版数据（MOD13A3）中的增强型植被指数数据。数据集过滤了MODIS卫星数据中原本存在的异常值或缺测值，相比源数据质量更高。中蒙俄经济走廊是沙漠化高风险区，目前，走廊区沙漠化发展大致沿中蒙交通干道延展，且在城市人口密集区沙漠化程度最为严重。植被盖度数据中可以有效提取区域沙漠化信息，这将为交通管线灾害风险防治与安全运营提供生态环境方面的数据支撑。","doi":"10.11888/Ecolo.tpdc.271111","projection":"","language":"zh","share_type":"online","east":138.577611923,"west":94.9832729231,"south":34.9504879378,"north":58.9561812195,"scale":10000,"crs":null,"filesize":1146.88,"share_policy":"a","ts_created":"2020-12-14T00:27:39.939551+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T12:24:27.512815+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"bd472036-b36e-42b8-ac28-c1c13d39ed8a","three_pole":null,"third_pole":"XDA20030203"},"username":"XDA20030203","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":842}