Marine Gazetteer Placedetails

Status Proposed standard Proposed standard
Language Name Name source
EnglishAçu CanyonIHO-IOC GEBCO Gazetteer of Undersea Feature Names   
PlaceType Canyon(s) 
Latitude 4° 38' 52" S (-4.64779°)  
Longitude 36° 34' 35.8" W (-36.5766°)  
Min. Lat 4° 41' 52.1" S (-4.6978°)  
Min. Long 36° 36' 3.3" W (-36.6009°)  
Max. Lat 4° 36' 23.3" S (-4.6065°)  
Max. Long 36° 32' 17.8" W (-36.5383°)  
Source IHO-IOC GEBCO Gazetteer of Undersea Feature Names, available online at
Notes GEBCO: discoverer and year of discovery (en): Discoverer: Brazilian survey vessel "Sirius". Year of discovery: 2011. History: Açu is the name of a coastal city in the Brazilian State of Rio Grande do Norte. It is also the name of the most important river in this area. The term "Açu" is a Tupi indigenous word that means big, bigger or huge.    
GEBCO: associated meeting, proposer and year of proposal (en): Associated meeting: SCUFN-30. Proposer: Helenice Vital, Geology and Geophysics Laboratory of Rio Grande do Norte Federal University, Brazil. History: 2017.    
Additional information (en): This feature has a steepness of 25 to 50°. The name first appeared in 2015 in a scientific paper from Almeida, N., Vital, H., and Gomes, M.: "Morphology of submarine canyons along the continental margin of the Potiguar Basin, NE Brazil". Minimum depth (m): 108. Maximum depth (m): 1205. Total relief (m): 1097. Dimension: 1.0 km to 6.2 km width x 14.5 km long.    
ACUF unique id (UFI) (en): 15175458    
Coordinates in ACUF (en): Latitude: -4.65122; Longitude: -36.57884    
Part of  South Atlantic Ocean (IHO Sea Area)  [view hierarchy]   
Edit history Last edited on 2018-09-13 16:53:11 by Lonneville Britt
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