South Pass jetties
E752975
The South Pass jetties are a historic system of engineered stone and timber structures at the mouth of the Mississippi River that dramatically improved navigation by stabilizing and deepening the channel to the Gulf of Mexico.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Pass jetties canonical | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineering structure
ⓘ
jetty system ⓘ navigation improvement project ⓘ |
| associatedWith |
channel dredging
ⓘ
commercial shipping ⓘ harbor improvements ⓘ river engineering ⓘ |
| builtFor | ocean‑going vessels access to Mississippi River ⓘ |
| constructedFrom |
stone
ⓘ
timber ⓘ |
| designedTo |
concentrate river discharge through South Pass
ⓘ
maintain a deeper draft for ships ⓘ protect the navigation channel from lateral migration ⓘ stabilize the South Pass channel alignment ⓘ |
| environmentType | coastal ⓘ |
| hasFunction |
confining river flow
ⓘ
deepening navigation channel ⓘ improving maritime navigation ⓘ increasing current velocity in channel ⓘ reducing sediment deposition in channel ⓘ stabilizing navigation channel ⓘ |
| hasHistoricalSignificance | dramatically improved navigation at the mouth of the Mississippi River ⓘ |
| heritageStatus | historic engineering work ⓘ |
| hydraulicEffect |
reduction of channel shoaling
ⓘ
scouring of river bed in channel ⓘ |
| impact |
altered local sediment transport patterns
ⓘ
increased reliability of navigation route to Gulf of Mexico ⓘ influenced development of regional maritime trade ⓘ reduced need for constant dredging compared to natural channel ⓘ |
| locatedAtMouthOf | Mississippi River NERFINISHED ⓘ |
| locatedIn |
Plaquemines Parish, Louisiana
NERFINISHED
ⓘ
South Pass, Mississippi River NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| materialType |
rubble stone
ⓘ
timber piling ⓘ |
| near |
Gulf of Mexico coastline of Louisiana
NERFINISHED
ⓘ
Mississippi River Delta NERFINISHED ⓘ |
| opensTo | Gulf of Mexico NERFINISHED ⓘ |
| orientation | extending seaward from river mouth ⓘ |
| partOf |
Mississippi River delta engineering works
ⓘ
Mississippi River navigation system NERFINISHED ⓘ |
| structureType | parallel jetties ⓘ |
| usedFor |
access to Mississippi River ports
ⓘ
navigation of deep‑draft vessels ⓘ |
| waterwayType | tidal inlet ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.