São Gonçalo Channel

The São Gonçalo Channel (Portuguese pronunciation: [sɐ̃w ɡõˈsalu]) is a navigable channel connecting two large coastal lagoons, Lagoa Mirim and Lagoa dos Patos, in the state of Rio Grande do Sul in southern Brazil. At its eastern end, it separates the municipalities of Rio Grande to the south from Pelotas to the north.

32°08′48″S 52°37′31″W / 32.14667°S 52.62528°W / -32.14667; -52.62528

São Gonçalo Channel
On the banks of the São Gonçalo Channel
Location
CountryUruguay, Brazil
Physical characteristics
Source 
  locationLagoa Mirim
  coordinates32°8′44.1348″S 52°37′22.3356″W / 32.145593000°S 52.622871000°W / -32.145593000; -52.622871000
  elevation1 m (3 ft 3 in)
Mouth 
  location
Lagoa dos Patos
  coordinates
31°47′22.344″S 52°13′17.4684″W / 31.78954000°S 52.221519000°W / -31.78954000; -52.221519000
  elevation
0 m (0 ft)
Length76.6 km (47.6 mi)
Basin size56,212.2 km2 (21,703.7 sq mi) to 62,250 km2 (24,030 sq mi)
Width 
  average200 m (660 ft) to 300 m (980 ft)
Depth 
  average10 m (33 ft)
Discharge 
  locationLagoa dos Patos (near mouth)
  average(Period: 1970-2000)1,186.5 m3/s (41,900 cu ft/s)
  minimum300 m3/s (11,000 cu ft/s)
  maximum2,250 m3/s (79,000 cu ft/s) to 3,000 m3/s (110,000 cu ft/s)
Discharge 
  locationPelotas (15 km upstream of mouth; Basin size: 55,296.3 km2 (21,350.0 sq mi)
  average(Period: 1970-2000)1,154.2 m3/s (40,760 cu ft/s)
Discharge 
  locationLagoa Mirim (76.6 km upstream of mouth; Basin size: 47,854.5 km2 (18,476.7 sq mi)
  average(Period: 1970-2000)936.7 m3/s (33,080 cu ft/s)
Basin features
Tributaries 
  leftArroio Pelotas, Canal Santa Barbara, Arroio Fragata, Arroio Teodósia, Arroio do Pavão, Piratini