马尔代夫群岛–世界地理数据大百科辞条

马尔代夫群岛（Maldives Islands）位于南纬0度42分17秒-北纬7度6分23秒，东经72度38分19秒-东经73度45分35秒之间。它包括20个行政环礁、30个自然环礁、1359个岛屿。20个行政环礁分别为：哈阿利富环礁、哈达卢环礁、沙维亚尼环礁、努努环礁、拉环礁、拉维亚尼环礁、巴环礁、卡富环礁、阿利富环礁、阿利夫达卢环礁、瓦武环礁、米穆环礁、法富环礁、达卢环礁、塔环礁、拉穆环礁、加富阿里夫环礁、加富达卢环礁、格纳维亚尼环礁和锡努环礁。30个自然环礁分别为：伊哈万迪富卢环礁、北蒂拉杜马蒂环礁、南蒂拉杜环礁、马马库努杜环礁、北米拉杜马杜卢环礁、南米拉杜马杜卢环礁、阿利富希环礁、北马洛斯马杜卢环礁、法迪富卢环礁、南马洛斯马杜卢环礁、戈伊杜环礁、南马累环礁、北马累环礁、加法鲁环礁、卡西杜环礁、拉斯杜环礁、托杜环礁、北阿里环礁、南阿里环礁、费利杜环礁、瓦塔鲁环礁、穆拉库环礁、北尼兰杜环礁、南尼兰杜环礁、科卢马杜卢环礁、哈杜马蒂环礁、北胡瓦杜环礁、南胡瓦杜环礁、富瓦穆拉环礁和阿杜环礁。马尔代夫群岛总面积：236.82km2，海岸线长2204.53km。岛屿中，面积超过900m2的岛屿有1285个；面积超过1600m2的岛屿有1238个；面积超过2500m2的岛屿有1196个；面积超过1km2的岛屿有41个；面积超过4km2的岛屿有3个。其中面积最大的岛屿是位于拉穆行政环礁、哈杜马蒂自然环礁的甘岛，面积为6.99km2。该数据是在综合Google Earth遥感影像与相关的地理信息数据基础上研发完成。数据存储格式为.kmz和.shp格式，压缩后数据量为5.18MB。

The Maldives Islands are situated between 0°42'17"S and 7°6'23"N latitude, and 72°38'19"E and 73°45'35"E longitude. The archipelago comprises 20 administrative atolls, 30 natural atolls, and 1359 individual islands.
The 20 administrative atolls are listed as follows: Haa Alif Atoll, Haa Dhaalu Atoll, Shaviyani Atoll, Noonu Atoll, Raa Atoll, Lhaviyani Atoll, Baa Atoll, Kaafu Atoll, Alif Alif Atoll, Alif Dhaalu Atoll, Vaavu Atoll, Meemu Atoll, Faafu Atoll, Dhaalu Atoll, Thaa Atoll, Laamu Atoll, Gaafu Alif Atoll, Gaafu Dhaalu Atoll, Gnaviyani Atoll, and Seenu Atoll.
The 30 natural atolls are: Ihavandhippolhu Atoll, North Thiladhunmathi Atoll, South Thiladhunmathi Atoll, Maamakunudhoo Atoll, North Miladhunmadulu Atoll, South Miladhunmadulu Atoll, Alifushi Atoll, North Maalhosmadulu Atoll, Fadhippolhu Atoll, South Maalhosmadulu Atoll, Goidhoo Atoll, South Male Atoll, North Male Atoll, Kaashidhoo Atoll, Kasidhoo Atoll, Rasdhoo Atoll, Thoddoo Atoll, North Ari Atoll, South Ari Atoll, Felidhoo Atoll, Vattaru Atoll, Mulaku Atoll, North Nilandu Atoll, South Nilandu Atoll, Kolhumadulu Atoll, Huvadhoo Atoll, North Huvadhoo Atoll, South Huvadhoo Atoll, Fuvahmulah Atoll, and Addu Atoll.
The total land area of the Maldives Islands is 236.82 km², with a total coastline length of 2204.53 km. Among all the islands, 1285 have an area exceeding 900 m², 1238 exceed 1600 m², 1196 exceed 2500 m², 41 exceed 1 km², and 3 exceed 4 km². The largest island is Gan Island, located in Laamu Administrative Atoll and Huvadhoo Natural Atoll, covering an area of 6.99 km².
This dataset was developed based on integrated Google Earth remote sensing imagery and relevant geographic information data. It is stored in .kmz and .shp formats, with a compressed file size of 5.18 MB.

搜集汇总

背景与挑战

背景概述

该数据集是马尔代夫群岛的地理矢量数据，覆盖2015年，基于Google Earth卫星图像和相关地图合成，提供了马尔代夫的详细空间信息，包括30个自然环礁和20个行政环礁的划分、总面积236.82平方公里（由1359个岛屿组成），以及最大岛屿Gan Island（面积6.99平方公里）。数据集以.kmz和.shp格式存储，采用WGS 1984地理坐标系，适用于地理研究和应用分析。