3/26/15 1 COASTAL LANDFORMS (32) I Main topics A Why study coastal landforms? B Sediment budget and system response C Coastal landforms 3/26/15 GG454 1 II Why study coastal landforms? A Dynamic systems B Reflect geologic history and human influence 1 Tectonics 2 Sea level change 3 Sediment budget C Provide a basis for predicQng “longterm” future behavior of a coastal system D Dense populaQons 3/26/15 GG454 2
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3/26/15
1
COASTAL LANDFORMS (32)
I Main topics A Why study coastal landforms?
B Sediment budget and system response
C Coastal landforms
3/26/15 GG454 1
II Why study coastal landforms?
A Dynamic systems B Reflect geologic history and human influence 1 Tectonics 2 Sea level change 3 Sediment budget
C Provide a basis for predicQng “long-‐term” future behavior of a coastal system
D Dense populaQons
3/26/15 GG454 2
3/26/15
2
III Sediment budget and system response
A Where sediment input > sediment loss: accreQon
B Where sediment loss > sediment input: erosion
C Where subsidence rate > sedimentaQon rate: submergence