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Tongatapu Group


SHI Ruixiang1LIU Chuang1
1 Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China

DOI:10.3974/geodb.2022.01.10.V1

Published:Jan. 2022

Visitors:844       Data Files Downloaded:11      
Data Downloaded:2.81 MB      Citations:

Key Words:

Tongatapu Group,Tonga,Oceania,Pacific Ocean,data encyclopedia

Abstract:

Tongatapu Group is the southernmost archipelago of the kingdom of Tonga, in the Oceania and western of South Pacific. The geo-location is between 21°01′14″S and 21°20′56″S, 174°54′02″W and 176°13′06″W. It consists of 39 islands, they are Tongatapu Island, Eua Island, Nukunukumotu Island, Euaiki Island, Atata Island, Kanatea Island, Onevai Island, Ata Island, Fukave Island, Pangaimotu Island, Motutapu Island, Fafa Island, Talakite Island, Nuku Island, Mo'ungatapu Island, Oneata Island, Tufaka Island, Mata'aho Island, Makaha'a Island, Onevao Island, Manima Island, Monuafe Island, Malinoa Island, Polo'a Island, Tau Island, etc. The area of the minimum island is 319 m², and the largest one is the Tongatapu Island with 270.23 km². The total area of the Tongatapu Group is 369.48 km² based on the Albers projection, and the perimeter of the islands is 256.95 km based on the Lambert projection. The dataset was developed based on Google Earth images around 2015. The dataset is archived in .kmz and .shp data formats, and consists of 16 data files with data size of 794 KB (compressed into 2 files with 533 KB).

Foundation Item:

Data Citation:

SHI Ruixiang, LIU Chuang. Tongatapu Group[J/DB/OL]. Digital Journal of Global Change Data Repository, 2022. https://doi.org/10.3974/geodb.2022.01.10.V1.

References:

[1] Britannica, The Editors of Encyclopaedia. Tongatapu Group [M/OL]. // Britannica. Encyclopedia Britannica, https://www.britannica.com/place/Tongatapu-Group. [2022-01-25].
     [2] Editorial Group of the Chinese-foreign Language Handbook of Global Geographical Names. Chinese-foreign Language Handbook of Global Geographical Names [M]. Beijing: SinoMaps Press. 1999.
     [3] Liu, C., Shi, R. X., Zhang, Y. H., et al. Global multiple scale shorelines dataset based on Google Earth images (2015) [J/DB/OL]. Digital Journal of Global Change Data Repository, 2019. DOI: 10.3974/geodb.2019.04.13.V1.
     [4] Liu, C., Shi, R. X., Zhang, Y. H., et al. 2015: How many islands (isles, rocks), how large land areas, and how long of shorelines in the world? —Vector data based on Google Earth images [J]. Journal of Global Change Data & Discovery, 2019, 3(2): 124-148. DOI: 10.3974/geodp.2019.02.03.
     

Data Product:

ID Data Name Data Size Operation
1 TongatapuGroup.kmz 185.90KB
2 TongatapuGroupshp.rar 325.26KB
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