{"id":"427551ae-3bd2-4936-b47e-df04a5f70e22","title":"北极地区高程数据集","title_en":"Arctic elevation data","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":"Arctic_DEM、Arctic_DEM_hillshade\n用arcgis、mapgis、Qgis等遥感软件打开","description":"数字高程模型（Digital Elevation Model)，简称DEM，是通过有限的地形高程数据实现对地面地形的数字化模拟（即地形表面形态的数字化表达），它是用一组有序数值阵列形式表示地面高程的一种实体地面模型。\n北极地区指北极圈66°34′以内的区域和格陵兰岛在北极圈以外的部分。高程数据包括北极数字dem及山影数据(hillshade)，tif格式。范围为66°N~90°N，空间分辨率为0.008°×0.008°。\n数据下载自NASA全球高程数据\nDEM描述的是地面高程信息，它在测绘、水文、气象、地貌、地质、土壤、工程建设、 通讯、军事等国民经济和国防建设以及人文和自然科学领域有着广泛的应用。","doi":"","projection":"","language":"zh","share_type":"offline","east":-180.0,"west":180.0,"south":60.0,"north":90.0,"scale":null,"crs":null,"filesize":116.0,"share_policy":"b","ts_created":"2019-03-14T07:19:36.104118+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-23T21:55:47.128834+08:00","time_description":"2010","datas_group":0,"time_description_en":"","data_format":null,"project":[10,11],"specials":["5f218875-5eed-4939-8208-7bf54c573e42"],"cite":null,"review_status":5,"review_invite":[],"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":[5],"subtopics":{"metadata":"427551ae-3bd2-4936-b47e-df04a5f70e22","three_pole":"XDA19070100","third_pole":null},"username":"盖春梅","review_time":"2019-04-12T14:40:55.522846+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":3686}