1 / 53

Global Oceans and Seas

Ocean's Physical Structure. Figure 16.3. Coastal System Components

whitney
Download Presentation

Global Oceans and Seas

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. Global Oceans and Seas  Chemical Composition of Seawater   Physical Structure of the Ocean  

    2. Ocean’s Physical Structure

    3. Coastal System Components   Inputs to the Coastal System   The Coastal Environment and Sea Level  

    4. Littoral Zone

    5. Coastal System Actions   Tides   Waves  

    6. Tides

    7. Wave Formation

    8. Coastal Straightening

    9. Longshore Current and Beach Drift

    10. Coastal System Outputs   Erosional Coastal Processes and Landforms   Depositional Coastal Processes and Landforms   Biological Processes: Coral Formations  

    11. Erosional Coastal Features

    12. Depositional Coastal Features

    13. Littoral Drift

    14. Coral Reef Distribution

    15. Coral Reef Formation and Forms

    16. Wetlands, Salt Marshes, and Mangrove Swamps  Wetlands Salt marshes Mangrove swamps

    17. Coastal Salt Marsh

    18. Mangroves

    19. Glacial and Periglacial Processes Repeated periods over time Most evidence wiped out The Ice Age Pleistocene Cryosphere

    20. Pleistocene Glaciation

    21. Glacial and Periglacial Processes Repeated periods over time Most evidence wiped out The Ice Age Pleistocene Cryosphere

    22. Evolution of the Great Lakes

    23. Paleolakes

    24. Rivers of Ice   Alpine Glaciers   Continental Glacier  

    25. Rivers of Ice

    26. Formation of Glaciers Compaction and recrystallization of snow Glacier budget Zone of accumulation Zone of ablation Line of equilibrium Alpine Continental; Ice sheets

    27. Alpine Glacier and Mass Balance

    28. Glacial Movement Weight and gravity Plastic internal flow Basal sliding Advancing and Retreating Alpine Glacier

    29. Glacial Movement

    30. Glacial Polish

    31. Alpine Glaciers High altitude, above snowline U-shaped valleys Cirques, arętes, horns Hanging valleys Fjords California’s glaciers

    32. Erosion and Deposition Plucking (detachment and entrainment) Glacial erratic Abrasion Striations, glacial polish Moraines Lateral, medial, terminal (end)

    33. Alpine Erosional Features

    34. Erosion and Deposition Plucking (detachment and entrainment) Glacial erratic Abrasion Striations, glacial polish Moraines Lateral, medial, terminal (end)

    35. Alpine Glacier Depositional Features

    36. Erosion and Deposition Plucking (detachment and entrainment) Glacial erratic Abrasion Striations, glacial polish Moraines Lateral, medial, terminal (end)

    37. Continental Glacier Depositional Features

    38. Continental Depositional Features

    39. Roche Moutonnée

    40. Continental Glaciers Past Ice Age, Pleistocene Epoch Wisconsin period Canadian Shield Current Antarctica, Greenland Nunataks Landforms: till, moraines, kettles, drumlins

    42. Greenland

    43. Greenland (southern end)

    44. Periglacial Landscapes Geography of Permafrost   Ground Ice and Frozen Ground Phenomena   Humans and Periglacial Landscapes  

    45. Periglacial Processes Permanently or semi-permanently frozen ground Permafrost Beyond extent of ice sheet expansion, and following retreat Glaciofluvial processes

    46. Permafrost Distribution

    47. Periglacial Environments

    48. Ice Wedge and Pingo

    49. Gelifluction Lobes

    50. Permafrost Melting

    51. Patterned Ground

More Related