Dataset List


Data Details

Rakahanga Atoll

LIU Chuang1SHI Ruixiang1CHEN Lijun2
1 Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China2 National Geomatics Center of China,Beijing 100830,China


Published:Jan. 2019

Visitors:8494       Data Files Downloaded:24      
Data Downloaded:2.16 MB      Citations:

Key Words:

Rakahanga Islands,Northern Cook Islands,data encyclopedia


The Rakahanga Atoll is part of Cook Islands in Pacific Ocean. Its geolocation is between 161°04′36″W and 161°06′16″W,9°59′43″S and 10°02′15″S. The Rakahanga Atoll is located at the top of a submarine volcano over 4,000 meters below sea level on the Pacific Ridge. The area of the Rakahanga Atoll is 3.92 km², the coastline is 28.46 km. There is a lagoon 3.8 km long from north to south and 1.8 km wide from west to east, surrounding by 4 islands and 7 islets or motus. The atoll include Tetukono Island in north and northeast, Tetaha Kiraro Island in west, Paerangi Island in southwest and Rakahanga Island in south. The motus includes Umurua, Akaro, Ngangie, Huananui, Mahuta, Okakara and Te Kainga. In the atoll, Rakahanga Island is the biggest one with an area of 1.54 km² and coastline of 7.33 km long. The dataset was developed based on the Google Earth and related maps and references. The dataset is consisted of 15 data files and archived in the .kmz and shp data format with the data size of 442 KB (Compressed to 179 KB in two files).

Foundation Item:

Chinese Academy of Sciences (2018)

Data Citation:

LIU Chuang, SHI Ruixiang, CHEN Lijun. Rakahanga Atoll[J/DB/OL]. Digital Journal of Global Change Data Repository, 2019.

Data Product:

ID Data Name Data Size Operation
1 RakahangaAtoll.kmz 63.48KB
2 RakahangaAtollshp.rar 116.67KB