goletabeach_davidrevell

goletabeach_davidrevell - Long Term and Storm Event Changes...

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Long Term and Storm Event Changes to the Beaches of Isla Vista, California David L. Revell & Dr. Gary Griggs University of California, Santa Cruz Based on the Final Report to the Shoreline Preservation Fund - UCSB
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Review Sediment Budget Research Questions Results Conclusions Outline Outline
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Sand Inputs to the Santa Barbara Littoral Cell Santa Barbara Littoral Cell Inputs Natural (cy/yr) Actual (cy/yr) Reduction (cy/yr) Rivers 3,642,773 99.6% 2,167,000 99.5% 1,475,773 40.5% Bluff Erosion 14,028 0.4% 11,312 0.5% 2,716 19.3% Total Littoral Input 3,656,801 100.0% 2,178,312 100.0% 1,478,489 40.4% Willis et al, 2003; Runyan and Griggs, 2002
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Is there a long term narrowing of the beach making up for the 40 % reduction in sediment supply? How do the beaches respond to a large El Nino along the coast of Santa Barbara? Given the variety of processes at work to create beaches, can human impacts be separated from climate variability and can the timing of impacts be forecast? 1975 1983 Research Questions with Management Implications Management Implications Photos: Professor Art Sylvester - UCSB
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Isla Vista UCSB Goleta Beach Ellwood Coal Oil Point Campus Point Wave Cut Platform Pilot Area Setting Methods – Air Photo and remote sensing based analyses
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0.00 20.00 40.00 60.00 80.00 100.00 120.00 140.00 160.00 1 11 21 31 41 60 70 80 90 100 110 119 129 139 148 158 168 178
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This note was uploaded on 04/02/2009 for the course ENV S 2 taught by Professor Keller during the Winter '09 term at UCSB.

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goletabeach_davidrevell - Long Term and Storm Event Changes...

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