不列颠群岛-全球变化数据大百科辞条

不列颠群岛（British Isles）位于欧洲西北部，东南隔英吉利海峡、多佛尔海峡与欧洲大陆相望，地理位置为49°51′48″N - 60°50′46″N，10°40′53″W - 1°45′46″E。不列颠群岛包括大不列颠岛（Great Britain）和爱尔兰岛（Ireland）两个大岛，以及西南的锡利群岛、南面的怀特岛、北面的奥克尼群岛和设得兰群岛、西北的赫布里底群岛和西面的安格尔西群岛等。不列颠群岛的岛屿总面积为315,813.97 km²，海岸线总长度为35,152.00 km。在不列颠群岛中，面积大于10 m²的岛屿共计11,918个。其中，大不列颠岛面积为219,126.00 km²，海岸线长13,197.60 km。爱尔兰岛面积为83,473.40 km²，海岸线长7,261.43 km。该数据集是在Google Earth卫星影像和有关不列颠群岛地图综合基础上完成，数据集以.kmz和.shp数据格式存储，由15个数据文件组成，数据量244 MB（压缩成2个数据文件，数据量101 MB）。

The British Isles are located in the northwest of Europe, facing the European mainland across the English Channel and the Strait of Dover in the southeast, with geographical coordinates ranging from 49°51′48″N to 60°50′46″N and 10°40′53″W to 1°45′46″E. The British Isles consist of two major islands, Great Britain and Ireland, as well as smaller archipelagos and islands including the Isles of Scilly in the southwest, the Isle of Wight in the south, the Orkney Islands and Shetland Islands in the north, the Hebrides in the northwest, and Anglesey in the west. The total area of all islands in the British Isles is 315,813.97 km², with a total coastline length of 35,152.00 km. There are 11,918 islands in the British Isles with an area greater than 10 m². Among them, Great Britain covers an area of 219,126.00 km² and has a coastline of 13,197.60 km, while Ireland has an area of 83,473.40 km² and a coastline of 7,261.43 km. This dataset was compiled based on Google Earth satellite imagery and relevant maps of the British Isles. It is stored in .kmz and .shp data formats, consists of 15 individual data files with an uncompressed size of 244 MB, and is compressed into 2 data files with a total size of 101 MB.

搜集汇总

背景与挑战

背景概述

该数据集是关于不列颠群岛的全球变化数据大百科辞条，提供2015年的矢量地理数据，包括岛屿边界、面积和海岸线等信息。数据集基于Google Earth和相关地图开发，覆盖11,918个岛屿，总面积约315,814平方公里，总海岸线约35,152公里，以.kmz和.shp格式存储，压缩后大小为101 MB。