果洲群岛-全球变化数据大百科辞条

果洲群岛（Guozhou Islands），也称九针群岛（Ninepin Islands），位于中国香港特别行政区东南部，是南海中的一个岛屿群。果洲群岛隶属于香港特别行政区的西贡区。其地理位置为22&deg15′11″N - 22&deg16′34″N，114&deg20′41″E - 114&deg22′14″E。果洲群岛主要由北果洲（North Ninepin Island Group）、南果洲（Nam Kwo Chau Group）和东果洲（Tung Kwo Chau Group）等共计27个岛屿组成（最小岛屿21 m&sup2）。其中，北果洲由北果洲主岛（North Ninepin Island）、壳仔排（Hok Tsai Pai）和细洲尾（Sai Chau Mei）等组成，南果洲由大洲（Tai Chau）、大洲尾（Tai Chau Mei）、山岭角（Shan Leng Kok）、打浪排（Tar Long Pai）和螺石（Lo Shek）等组成，东果洲则由短洲仔（Tuen Chau Tsai）、薯莨洲（Shue Long Chau）和龙船排（Lung Shuen Pai）等组成。果洲群岛中，面积最大的岛屿是北果洲主岛，其面积为0.26 km&sup2，海岸线长3.43 km；其次为南果洲的大洲，面积为0.23 km&sup2，海岸线长3.60 km。果洲群岛总面积为0.58 km&sup2，海岸线长11.51 km。果洲群岛数据集是在Google Earth卫星影像和中国出版的地图信息基础上完成。数据集由17个数据文件组成，以.kmz 和.shp 数据格式存储，数据量为133 KB（压缩为2个数据文件，压缩后数据量为56.8 KB）。

The Guozhou Islands, also known as the Ninepin Islands, are an archipelago located in the South China Sea, southeast of the Hong Kong Special Administrative Region of the People's Republic of China, and under the jurisdiction of Sai Kung District. Its geographic coordinates range from 22°15′11″N to 22°16′34″N and 114°20′41″E to 114°22′14″E. The Guozhou Islands consist of a total of 27 islands, including the North Ninepin Island Group, Nam Kwo Chau Group, and Tung Kwo Chau Group, with the smallest island covering an area of 21 m². Specifically, the North Ninepin Island Group comprises the North Ninepin Island, Hok Tsai Pai, Sai Chau Mei, and other islets; the Nam Kwo Chau Group includes Tai Chau, Tai Chau Mei, Shan Leng Kok, Tar Long Pai, Lo Shek, and other islets; while the Tung Kwo Chau Group consists of Tuen Chau Tsai, Shue Long Chau, Lung Shuen Pai, and other islets. The largest island in the Guozhou Islands is the North Ninepin Island, with an area of 0.26 km² and a coastline length of 3.43 km. The second-largest is Tai Chau of the Nam Kwo Chau Group, covering an area of 0.23 km² with a coastline length of 3.60 km. The total area of the Guozhou Islands is 0.58 km², with a total coastline length of 11.51 km. The Guozhou Islands dataset was compiled based on Google Earth satellite imagery and map materials published in China. The dataset consists of 17 data files stored in .kmz and .shp formats, with an uncompressed size of 133 KB. It is compressed into 2 data files, with a compressed size of 56.8 KB.

搜集汇总

背景与挑战

背景概述

该数据集是果洲群岛（又称九针群岛）的全球变化数据大百科辞条，基于2015年的Google Earth影像和已发布地图开发，提供了群岛的地理位置、岛屿组成、面积和海岸线等矢量数据。数据集包含17个文件，以.kmz和.shap格式存储，总大小133 KB，适用于测绘科学技术领域的基础地理数据研究。