GLY 4734 Why is the coast important to study? Societal Reasons Hazard/Event-based Reasons Geologic Reasons Societal Reasons - Coastal Population
30 coastal states contain 62% of US population and 12/13 largest cities 53% of US pop. lives w/in 50 miles of the shore (83% in Australia) in 1973: 440,000 km of global coastline / 3.3 billion humans = 13 cm each today: 440,000 km of global coastline / 6.7 billion humans = 6.5 cm each Societal Reasons Coastal Development Development along our coastlines continues to expand
Alsea Bay, Waldport, OR - Photo credit: Paul Kom Societal Reasons - Agricultural Example: Nile Delta Concept of dynamic equilibrium Construction of Aswan Dam has shut off sediment supply Result: rapid coastal recession
rates = 50-100 m/yr Coastal Hazards - Hurricanes Hazards/Climate Reasons Example: Hurricanes Ivan and Katrina LIDAR data - newish technology Dauphine Island, Alabama
Hazards/Climate Reasons Landform changes caused by the storm events LIDAR surveys - Dauphine Island, Gulf Coast of Alabama Hazards/Climate Reasons - Sea Level Rise Gainesville
Hazards/Climate Reasons - Sea Cliff Retreat Examples Biota, Habitat, Ecological Reasons Lithologic Response Wave Energy Imparted to Coast
Geologic Reasons Generation of Stratigraphy Lithologic Response Wave Energy Imparted to Coast Uplift
Sea Level Change Beaches Wave Transformation Offshore Wave Climate History of Science of Coastal Geomorphology
Greeks (Herodotus) and the Nile 'delta' da Vinci and the Pontine Marshes in Italy - 15th century Lithologic Response Captain Cook's voyages shed light on many coastal reaches worldwide Uplift
Early geologists (Hutton, Lyell) recognized the coast as a modern depositional environment responsible for sedimentary rock generation. Wave Energy Imparted to Coast Sea Level Change
Early geomorphologists (de Beaumont, Huxley) identified the link between process and form along the coast. Darwin theorized on the origins and evolution of reefs and atolls. Beaches Even Grove Karl Gilbert interpreted abandoned terraces in Utah to testify to the presence of Pleistocene lakes in the western U.S. Early 20th century: Douglas Johnson's application of William Morris Davis's "geographical cycle" -New England coast
World War II andWave in theTransformation Cold War era which followed - scientists at Scripps Institution of Oceanography (Sverdrup, Munk, Shepard, and Inman) Offshore Wave Climate In-Class Exercise
Name and where are you from? What coast are you most familiar with or are you currently interested in? What are some issues there that grab your attention? During the semester, consider how each topic we cover affects your coast (i.e. tectonics, wave climate, sediment supply/local rivers, population/human infrastructure, hazard vulnerability). I'll start with an example...
DOMESTICATION, GENERATION AND DEVELOPMENT OF GIANT BARB (Catlocarpio siamensis BOULENLER 1898) INTRODUCTION - Belonged to common carp family of Cyprinidae, distributed in the Mekong river. The fish is of big size, with flesh of good taste preferred by many people.
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Export directly to third party software from one DB. Formatted tables & graphs, ProUCL, Piper/Schoellerdiags. gINT/Winlog ArcGIS/Mapinfo/Google Earth/Surfer/CAD. e.g. Coordinates + Water levels Surfer for contours
Communicating Information Through Visuals ... Show numbers or percentages Charting Business Entities and Variables Scatter diagrams Several entities Two variables Bubble diagrams Several entities Three Information, Concepts, and Ideas Organization charts Positions Units Functions Flow charts ...
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His community are subsistence farmers - maize, peanuts, root crops, vegetables up to 2 thirds of the crops go to the landowners to pay rent for the land, the remaining crop is their main source of food. They earn some...
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