{"id":"b6afaa95-51f4-4906-ab74-4e5a18145a08","title":"巴基斯坦瓜达尔港高分辨率土地覆被数据集（V2010）","title_en":"High resolution land cover dataset of Gwadar Port, Pakistan (v2010)","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":"数据格式：tiff；\n空间分辨率：30米；\n备注：Cultivated Land/耕地：10；Forest/林地：20；Grass Land/草地：30；Shrubland/灌木地：40；Wetland/湿地：50；Water Body/水体：60；Tundra/苔原：70；Artificial Surfaces/人造地表：80；Bareland/裸地：90；Permanent Snow and Ice/冰川和永久积雪：100 。","description":"瓜达尔深水港位于巴基斯坦俾路支省西南部瓜德尔城南部，在巴基斯坦靠近伊朗一侧，东距卡拉奇约460km，西距巴基斯坦伊朗边境约120km，南临印度洋的阿拉伯海，向西则是霍尔木兹海峡和红海，与阿曼首都马斯喀特(Muscat)遥遥相对，是一个极具战略地位的海港。\n本数据为瓜达尔及其周边土地覆盖数据，数据源于GlobeLand30 (Chen, 2014)，数据空间分辨率为30米，数据格式为tiff。\nGlobeLand30数据集研制所使用的分类影像主要包括美国陆地资源卫星(Landsat)的TM5、ETM+、OLI多光谱影像和中国环境减灾卫星(HJ-1)多光谱影像，采用基于像元对象知识(POK-based)的分类方法 (Chen, 2015)，总体精度为83.50%，Kappa系数0.78 (Xie, 2015)。","doi":"","projection":"WGS84","language":"zh","share_type":"online","east":65.32,"west":61.57,"south":25.01,"north":25.84,"scale":null,"crs":null,"filesize":2.0,"share_policy":"a","ts_created":"2020-12-28T12:57:15.361814+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T09:39:38.376975+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":[{"user_name":"冯敏","username":"mfeng","email":"mfeng@itpcas.ac.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":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"b6afaa95-51f4-4906-ab74-4e5a18145a08","three_pole":null,"third_pole":"XDA20030302"},"username":"XDA20030302","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1466}