Pursuant to sections 25 and 21(2) of the New Zealand Geographic Board (Nga Pou Taunaha o Aotearoa) Act 2008, the
New Zealand Geographic Board Nga Pou Taunaha o Aotearoa ("Board") hereby gives notice of altered undersea feature names beyond New Zealand's 12 Nautical Mile Territorial Sea.
The details of the altered undersea feature names, their undersea generic feature types, and their descriptions are specified in the three columns of the Schedule below.
The Board's final determinations on these undersea features names took effect on 5 June 2014.
Altered Undersea Feature Names Beyond New Zealand's 12 Nautical Mile Territorial Sea
First Column Second Column Third Column
Altered Undersea Feature Name Undersea Generic Feature Type Description
Araara Seamount Seamount 34ø09.59'S Latitude, 173ø58.00'E Longitude. An isolated seamount 75km east-northeast from North Cape (Otou) and approximately 11km west of Cavalli Seamount. Alteration from West Cavalli Seamount. Depicted on North Cape Chart¸, Mitchell & Eade, 1990.
Campbell Island / Motu Ihupuku Shelf Shelf 52ø30.00'S Latitude, 169ø30.00'E Longitude. The shelf surrounding Campbell Island / Motu Ihupuku. Generally 130-200m deep. Depicted on Campbell Chart¸, Summerhayes, 1967. Alteration from Campbell Island Shelf.
Explora Mounds Mounds 75ø46.00'S Latitude, 165ø13.00'E Longitude and 76ø02.30'S Latitude, 166ø42.30'E Longitude. Mounds at depths 418m and 860m covering an area of 30x40km located approximately 40km southeast of Drygalski Ice Tongue and 90km northwest of Franklin Island, in the West Ross Sea, Antarctica. Alteration from OGS Explora Mounds. Depicted on Chart NZ 14900.
Mokohinau Canyon Canyon 35ø45.00'S Latitude, 176ø15.00'E Longitude. A northeast trending canyon-like feature with an upper slope depth of 1250m in the northern Bay of Plenty area. Depicted
on Cuvier Chart¸, Wright, 1989. Alteration from Mokohinau Canyon.
Ohena Knoll Knoll 36ø25.58'S Latitude, 176ø56.81'E Longitude. A knoll in a group of knolls at the northern end of Alderman Trough in the outer Bay of Plenty region. It is an isolated conical seamount that rises to 858m from a depth of 1700m and has an area of 3km2. Depicted on Cuvier Chart¸, Wright, 1989; Cook Chart¸, Baldwin & Lewis, 1991. Alteration from Ohena Knoll.
Paritu Trough Trough 39ø00.00'S Latitude, 178ø37.00'E Longitude. A northeast-southwest trending trough on the middle part of the continental slope approximately 60km from the coast of Gisborne. Separates North Paritu Ridge and South Paritu Ridge. Floor at a depth of approximately 1500m. Depicted on Mahia Chart¸, Arron & Lewis, 1991. Alteration from Paritu Trough.
Pukaki Canyon Canyon 43ø38.00'S Latitude, 173ø56.00'E Longitude. A canyon trending generally northwards from Mernoo Gap off the coast of Banks Peninsula towards the southern end of Hikurangi Trough. Extends from a depth of 130m at a point where it joins Pegasus Canyon. Depicted on Pegasus Chart¸, Cullen & Brodie, 1966; Pegasus Chart¸, Carter & Herzer, 1983. Alteration from Pukaki Canyon.
Pukaki Saddle Saddle 47ø54.46'S Latitude, 175ø53.77'E Longitude. On the north-eastern part of Campbell Plateau between Bounty Plateau and Pukaki Rise, west of Antipodes Islands. The centre of the saddle is at a depth of 1370m separating
the 100-200m deep platform. Depicted on Campbell Chart¸, Summerhayes, 1967 and 1969a. Alteration from Pukaki Saddle.
Pukekura Canyon Canyon 45ø45.00'S Latitude. 171ø08.00'E Longitude. An east-west aligned canyon incised into the outer continental shelf off Otago Peninsula. A 1300m deep tributary of Bounty Channel. Depicted on Oamaru Chart¸, Carter & Carter, 1981; Otago Chart¸, Carter, 1986. Alteration from Taiaroa Canyon.
Puketuroto / Hoopers Canyon Canyon 46ø06.12'S Latitude, 171ø00.00'E Longitude. A short canyon that leads from the Otago shelf into the centre channel of Bounty Trough, southeast of Otago Peninsula. Ranges in depth from 200m to 1300m. Depicted on Otago Chart¸, Brodie, 1970; Otago Chart¸, Carter, 1986. Alteration from Hoopers Canyon.
Puketuroto / Hoopers Channel Seachannel 46ø20.00'S Latitude, 171ø35.00'E Longitude. A seachannel that forms at the confluence of several canyons at the foot of the steep upper continental slope, 70km southeast of Otago Peninsula. Extends eastward for 150km. Depicted on Otago Chart¸, Carter, 1986. Alteration from Hoopers Channel.
Taitimu / Caswell Ridge Ridge 44ø48.20'S Latitude, 166ø21.15'E Longitude. A large north-south trending ridge that is the westward border of Fiordland Basin. Consists of a flat-topped, oblong ridge 150km long and 25km wide, sub-parallel to the continental margin of Fiordland. The depth of the terrace and crest of the ridge is approximately 3500m. Depicted on Resolution Chart¸, van der Linden & Hayes, 1972; Dusky Chart¸, Mitchell & Garlick, 2001. Alteration from Caswell High.
Waiatoto Channel Seachannel 43ø46.59'S Latitude, 166ø29.19'E Longitude. A seachannel on the outer reaches of the complex beyond Milford Basin, west of Milford Sound, which continues north-westward after merging with Moeraki Channel complex at approximately 43ø30'S, 166ø30'E in 4100m of water. Depicted on West Coast Canyons¸, Mackay et al., 2009. Alteration from Haast Channel.
Dated at Wellington this 5th day of June 2014.
W. K. SHAW, Secretary, New Zealand Geographic Board Nga Pou Taunaha o Aotearoa.