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Global distribution of heat
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Spectra of incoming vs. outgoing radiation
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Heat loss and gain from the oceans
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The Modern Ocean Conveyor Belt
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North Atlantic circulation
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Atlantic deep-water circulation
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Global deep-ocean circulation
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Phanerozoic glaciation
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Gondwana moves over the South Pole
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Vail – 1st & 2nd order SL cycles
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Sea level & spreading rates
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-4000 -3000 -2000 -1000 0 1000 2000 3000 4000
Distance from ridge crest (kilometers)
6000
5000
4000
3000
2000
1000
0
Dep
th (
met
ers)
0
510
2030
4050 60
10
2030
4050
60
Relation of Sea-Floor Age to Depth and Spreading Rate
Pacific
AtlanticSW
Indian
MOR
Age of crust (My)
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Cretaceous – fast spreading 6-8 cm/yr
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Modern spreading – 3-4 cm/yr
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Ocean basins and continental collision
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Fragmented continents – high SL
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Assembled continents riding high
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Global ice volume
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Vail – 1st & 2nd order SL cyclesCretaceous high
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Cretaceous 100 Ma Land & ocean
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Latitudinal heat distribution – Cretaceous
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Modern deep-water circulation
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Cretaceous deep-water circulation
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Cretaceous sources of dense water
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Mid-Cretaceous Europe
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Cretaceous warm deep water circulation
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Cretaceous warm deep water circulation
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Breaking up Pangaea
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Opening the Atlantic – Pangaea / Permian
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Opening the Atlantic – Permian
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Opening the Atlantic – Triassic
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Opening the Atlantic – Early Jurassic
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Opening the Atlantic Middle Jurassic
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Opening the Atlantic – Middle Jurassic
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Opening the Atlantic – Late Jurassic
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Opening the Atlantic – Early Cretaceous
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Opening the Atlantic Middle Cretaceous
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Opening the Atlantic – Middle Cretaceous
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Opening the Atlantic – Late Cretaceous
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Isotope record since the Late Cretaceous
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Ice volume and isotopes
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d18O of ice at poles
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Isotope record since the Late Cretaceous
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Ocean gateways – submarine plateaus
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Isolating Antarctica
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North Atlantic Iceland-FaeroeRidge
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North Atlantic features
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Caribbean Sea
Gulf of Mexico
Panama
Antilles Islands (volcanic)
Puerto Rican Trench
Amazon Cone
Caribbean Sea
Cayman Trough
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South Atlantic
SouthAmerica
Africa
Antarctica
Walvis Ridge
Rio Grande Rise & Vema Channel
Drake Passage
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Patagonia & Drake Passage
Antarctic Peninsula
(1) Falkland Plateau & Islands
(2) South Sandwich Trench & Islands
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Southern Ocean
Australia
South America
South Africa
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Southern Indian Ocean
Australia
Africa
Kerguelen Plateau
Antarctica
Tasman Plateau
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Northern Indian Ocean
90 East Ridge
Chagos- Laccadive Plateau
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Australia & New Zealand
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Cenozoic – Paleocene
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Cenozoic – Eocene
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Late Cenozoic Sea level
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Cenozoic – Oligocene
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Cenozoic – Miocene
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Modern continental ice
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High topography Western North America
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Orographic effect
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Looking into the Himalayas
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Himalayas and monsoons
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Sediment flux to ocean basins – 40 Ma
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Strontium isotopes 400 Ma
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Closure of Panama – Pliocene
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Table SL fall 80 Ma