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Class Notes for Geosciences at Pennsylvania State University

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GEOSC 040 Lecture Notes - Lecture 25: Paleomagnetism, Oahu, Pacific Plate
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GEOSCI 40 Chris Marone Lecture 25 Origins of Ocean Basin, Plate Tectonics, and Sea Floor Spreading Plate Tectonics  Earth’s surface is in motion o Evidence = continental drift  12 ...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 24: Coastal Engineering, Beach Nourishment, Longshore Drift
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GEOSCI 40 Chris Marone Lecture 24 A Day at The Beach Changing Sea Level and Coastal Evolution  Jetties and Groins an produce big changes Longshore Drift  Caused by obliq...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 23: Amphidromic Point, Surf Zone, Oceanic Basin
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GEOSCI 40 Chris Marone Lecture 23 Coasts, Sea Level Change and The Beach Dynamic theory of tides- complexities of coastlines, bays, ocean basin geometry, Earth deformation Tides are shallow wate...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 22: Continental Margin, Wind Wave, Tide
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GEOSCI 40 Chris Marone Lecture 22 Tides Catadromous Fish migrate from freshwater to saltwater to spawn Waves and Wind  Using satellite data to track swells and their rel...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 21: Waterfall, Tide, Oceanic Basin
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GEOSC 40 Chris Marone Lecture 21 Tides: Sun, Moon, Rise and Fall Shallow Water Waves o Speed is related to water depth o S(gd)^1/2 o Waves are slower in shallower water ...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 20: Wind Wave, Orbit
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GEOSCI 40 Chris Marone Lecture 20 Waves, Tsunami & Tides Speed of shallow water waves depends on water depths Wind waves break when “over steepened”  “White caps” observed in stron...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 19: T Wave, Wind Wave, Eutrophication
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Geosci 40 Chris Marone Lecture 19 Waves Key Definitions:  Eutrophication- an environmental nutrient excess that leads to severe reduction of dissolved oxygen ...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 18: Seagrass, Zooplankton, Eutrophication
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GEOSCI 40 Chris Marone Lecture 18 Coastal Ecosystems Oxygen concentrations in Chesapeake Bay  Hypoxia  Oxygen concentrations drop  Connected to the Energy Cycle Energ...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 17: Susquehanna River, Eutrophication, Photosynthesis
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GEOSC 40 Chris Marone Lecture 17 The world’s coral reef  Confined to narrow climatic zone Coral  Does not require upwelling of water Hypoxia- low concentration of dissolved oxygen in seawater  Bottom...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 16: Coral Reef, Zooxanthellae, Phytoplankton
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GEOSC 040 Chris Marone Lecture 16 Coral Reefs and Atolls Beauty and Diversity Coral reefs are confined to a narrow climatic zone where mean annual temperatures are greater than 20 degrees C Reef S...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 15: Agnatha, Osteichthyes, Chondrichthyes
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GEOSCI 40 Chris Marone Lecture 15 The Secret Lives of Fishes Classification Phylum: Chordata Subphylum: Vertebrata Class: Agnatha (hagfishes, lampreys, jawless) Chondrichthyes (sha...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 14: Photic Zone, Coccolithophore, Overfishing
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GEOSC 040 Chris Marone Lecture 14 Life in the Ocean and Sustainable Fisheries Photic zone- where light penetrates, where photosynthesis happens Phytoplankton: 3 groups • Diatoms ...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 11: Photic Zone, Pelagic Zone, Ecoregion
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GEOSC 040 Chris Marone Lecture 11 Life in the Ocean Use satellite imaging to see where things live in the ocean and why • Orange and red=life • Center of all ocean basins...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 10: Ocean Heat Content, Photic Zone, Ekman Spiral
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GEOSCI 40 Chris Marone Lecture 10 Climate- Ocean- Atmosphere Connections Subtropical gyre- approximately in the tropics  Close to equator Zone of Light penetration  Euphotic zone- p...

Geosciences
GEOSC 040
Chris Marone
GEOSC 040 Lecture Notes - Lecture 9: Boundary Current, High-Pressure Area, Wind Direction
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GEOSC 040 Chris Marone Lecture 9 The Ocean-Atmosphere Connection, Stirring up the deep Garbage patch is huge, bigger than the size of Texas  Currents push garbage into the same spot Gulf Stream is ...

Geosciences
GEOSC 040
Chris Marone

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