The Seafloor. The oceans are classified into four major basins The oceans are classified into four...
-
Upload
nicholas-rollins -
Category
Documents
-
view
222 -
download
0
Transcript of The Seafloor. The oceans are classified into four major basins The oceans are classified into four...
![Page 1: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/1.jpg)
The SeafloorThe Seafloor
![Page 2: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/2.jpg)
The oceans are The oceans are classified into four classified into four major basinsmajor basins
PacificPacific AtlanticAtlantic IndianIndian ArcticArctic
![Page 3: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/3.jpg)
Oceans of the WorldOceans of the World
![Page 4: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/4.jpg)
![Page 5: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/5.jpg)
The Origin and The Origin and Structure of the Structure of the Ocean BasinsOcean Basins
![Page 6: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/6.jpg)
Structure of EarthStructure of Earth CoreCore-innermost layer, iron-rich, high pressure, -innermost layer, iron-rich, high pressure,
4000 degrees Celsius4000 degrees Celsius MantleMantle-outside core, very hot, semi-plastic, -outside core, very hot, semi-plastic,
flows and swirls around slowly like thick liquidflows and swirls around slowly like thick liquid CrustCrust-outermost layer, very thin, like rigid skin -outermost layer, very thin, like rigid skin
atop mantleatop mantle--OceanicOceanic-sea floor, composed of -sea floor, composed of basalt basalt
mineral mineral (darker color and denser)(darker color and denser)
--ContinentalContinental-composed of -composed of granitegranite (light color), (light color),
thick blocks of crust floating on mantlethick blocks of crust floating on mantle
![Page 7: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/7.jpg)
![Page 8: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/8.jpg)
Continental DriftContinental Drift
![Page 9: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/9.jpg)
Alfred WegenerAlfred Wegener
19121912 Suggested Suggested
“supercontinent”“supercontinent” PangaeaPangaea By 1960s Scientists By 1960s Scientists
concluded the concluded the continents did drift continents did drift
Plate TectonicsPlate Tectonics
![Page 10: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/10.jpg)
![Page 11: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/11.jpg)
![Page 12: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/12.jpg)
![Page 13: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/13.jpg)
![Page 14: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/14.jpg)
![Page 15: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/15.jpg)
Mid–Ocean RidgeMid–Ocean Ridge
SoNAR allowed the formation of SoNAR allowed the formation of detailed surveys of the ocean floordetailed surveys of the ocean floor
The mid ocean ridge system was The mid ocean ridge system was discovereddiscovered
Sound travels through air at about Sound travels through air at about 337 meters pr second.337 meters pr second.
Through water at 1460 meters per Through water at 1460 meters per second! Explain……second! Explain……
![Page 16: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/16.jpg)
![Page 17: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/17.jpg)
Cross Section of Mid Cross Section of Mid Ocean-ridge Ocean-ridge
![Page 18: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/18.jpg)
![Page 19: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/19.jpg)
![Page 20: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/20.jpg)
![Page 21: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/21.jpg)
Sea-Floor SpreadingSea-Floor Spreading
Subduction-The Subduction-The downward downward movement of a movement of a plateplate
![Page 22: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/22.jpg)
![Page 23: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/23.jpg)
![Page 24: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/24.jpg)
GEOLOGICAL GEOLOGICAL STRUCTURE OF STRUCTURE OF THE OCEANTHE OCEAN
![Page 25: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/25.jpg)
Continental shelfContinental shelf
Gently sloping, Gently sloping, shallow shallow
![Page 26: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/26.jpg)
Continental slopeContinental slope
Steeper, extends Steeper, extends seaward from seaward from shelfshelf
![Page 27: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/27.jpg)
Abyssal plainAbyssal plain
Relatively flat, Relatively flat, contains contains seamounts and seamounts and trenchestrenches
![Page 28: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/28.jpg)
Mid-Ocean Ridge and Mid-Ocean Ridge and Hydrothermal VentsHydrothermal Vents
Up to 660 F Up to 660 F Releases sulfidesReleases sulfides
![Page 29: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/29.jpg)
![Page 30: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/30.jpg)
![Page 31: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/31.jpg)
![Page 32: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/32.jpg)
HISTORY OF HISTORY OF L.I.S.L.I.S.
![Page 33: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/33.jpg)
![Page 34: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/34.jpg)
DimensionsDimensions
110 miles long110 miles long 21 miles at the widest pt.21 miles at the widest pt. 248 miles of beach (only 95 public)248 miles of beach (only 95 public) Avr. Depth 65 feetAvr. Depth 65 feet 44 sewer treatment plants!!!!44 sewer treatment plants!!!! 32-75 F temp.32-75 F temp.
![Page 35: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/35.jpg)
![Page 36: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/36.jpg)
200 MYA.-North America and Africa 200 MYA.-North America and Africa drift away from each other.drift away from each other.
![Page 37: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/37.jpg)
3 Mya. Glaciers covered the land 3 Mya. Glaciers covered the land from Canada to Connecticut.from Canada to Connecticut.
Sea level dropped. Why?Sea level dropped. Why?
![Page 38: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/38.jpg)
22,000 years ago The glaciers 22,000 years ago The glaciers reached the southernmost point reached the southernmost point (the middle of Long Island)(the middle of Long Island)
The ocean was 350 feet lower than The ocean was 350 feet lower than it is today.it is today.
The coastline was 150 miles south The coastline was 150 miles south of Long Island.of Long Island.
![Page 39: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/39.jpg)
Glacier pluckingGlacier plucking
![Page 40: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/40.jpg)
Glacier pluckingGlacier plucking
![Page 41: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/41.jpg)
![Page 42: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/42.jpg)
The ice began to melt leaving The ice began to melt leaving deposits of sand and rocks in deposits of sand and rocks in moraines.moraines.
This formed a freshwater lake from This formed a freshwater lake from the melting ice.the melting ice.
The lake accumulated to a depth The lake accumulated to a depth of 500 feet (350 feet current max. of 500 feet (350 feet current max. depth :the race)depth :the race)
![Page 43: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/43.jpg)
The freshwater broke through The freshwater broke through forming the raceforming the race
8,000 years ago seawater began to 8,000 years ago seawater began to flow back into the lake.flow back into the lake.
As the water level went up a As the water level went up a second opening occurred near second opening occurred near NYC. called Hells Gate NYC. called Hells Gate
Now known as an estuary Now known as an estuary
![Page 44: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/44.jpg)
EstuaryEstuary
A partly enclosed coastal body of A partly enclosed coastal body of water where seawater and water where seawater and freshwater meet and mix.freshwater meet and mix.
![Page 45: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/45.jpg)
Soon after the glaciers began to Soon after the glaciers began to melt the first humans reached the melt the first humans reached the coast. WHY?coast. WHY?
In the 1600’s Ct. had one of the In the 1600’s Ct. had one of the densest pop. of Native Americans densest pop. of Native Americans in the U.S.in the U.S.
![Page 46: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/46.jpg)
1614- Adriaen Block- Dutch 1614- Adriaen Block- Dutch explorer sailed through Hells Gate, explorer sailed through Hells Gate, out at the Race and on to Block out at the Race and on to Block Island.Island.
He then went up the Connecticut He then went up the Connecticut river to what is now Hartford.river to what is now Hartford.
![Page 47: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/47.jpg)
SettlersSettlers
1630’s- English and Dutch settlers 1630’s- English and Dutch settlers “purchased” land from Native “purchased” land from Native Americans.Americans.
![Page 48: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/48.jpg)
Maritime developmentMaritime development
1700’s- Trade routes between Ct. 1700’s- Trade routes between Ct. and West Indies.and West Indies.
Sugar, Molasses for cattle, pig.Sugar, Molasses for cattle, pig.
![Page 49: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/49.jpg)
WARWAR
The British occupied Long Island The British occupied Long Island but not CT.but not CT.
CT…Home of the Privateers.CT…Home of the Privateers.
![Page 50: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/50.jpg)
Ship buildingShip building WhalingWhaling OysteringOystering Fishing……What happen to the Fishing……What happen to the
Samon etc.?Samon etc.?
![Page 51: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/51.jpg)
TransportationTransportation
The New Haven RRThe New Haven RR I95I95 Rec. BoatsRec. Boats
![Page 52: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/52.jpg)
IndustryIndustry
Once farming, now cities….Once farming, now cities…. Factories for guns, clothes, clocks Factories for guns, clothes, clocks
and locks…and locks…
![Page 53: The Seafloor. The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514f56855034693478b6065/html5/thumbnails/53.jpg)
ESSAYESSAY
Explain how Long Island Sound Explain how Long Island Sound was created.was created.
Include : effects of Glaciers, Plate Include : effects of Glaciers, Plate tectonics ,salt vs freshwater, tectonics ,salt vs freshwater, human impact and time. human impact and time.