waves and beaches in patagonia the refugio de los lobos ... · •show challenges of a beach...
TRANSCRIPT
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Waves and beaches in PatagoniaThe Refugio de los Lobos ProjectIng. Jorge E. Abramian, Civiltec Consultores SRL
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• SHOW CHALLENGES OF A BEACH NOURISHMENT AND DUNE RECONSTRUCTION PROJECT IN PATAGONIA
• PROMPT DISCUSSIONS ABOUT INVOLVED ENVIRONMENTAL CRITERIA
PRESENTATION CONTENTS
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• URBAN DEVELOPMENT NEXT TO A POCKET BEACH SOUTH OF PUNTA MÁRQUES
• PUNTA MÁRQUES HOSTS A SEA LION COLONY
• TIDAL RANGE IS 6.0 M
• HISTORICALLY, THE SITE WAS USED FOR SAND MINING
• CURRENTLY IS USED FOR QUAD RIDES
• NO RAMPS OR ADEQUATE FACILITIES TO LAUNCH SAILBOATS IN THE AREA
PROJECT CONTEXT
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• BUILD AN URBAN DEVELOPMENT 15 KM SOUTH OF THE CITY OF COMODORO RIVADAVIA (240.000 PEOPLE)
• POSSIBILITY FOR MARINAS TAKING ADVANTAGE OF THE TIDAL RANGE• BUILD AN INLAND LAGOON
• AND A LOW PROFILE CHANNEL (+4)
• WHEN THE TIDE RISES, CHANNEL COULD BE SAILED. THE LOCK IS CLOSED BEFORE SEA GOES BACK
• WATER IS HOLD IN THE LAKE UNTIL NEXT CYCLE
DEVELOPERS’ IDEA
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• ASSESS CHANGES THE PROJEC MAY IMPOSE TO THE BEACH
• HYDROGRAPHIC SURVEY
• SEDIMENT SAMPLING
• WAVE TRANSFORMATION
• CROSS SHORE SBEACH MODELING
• LONGSHORE GENESIS MODELING
• STABILITY OF THE WATER TABLE
BEACH PROJECT
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BEACH PROFILES
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• ERA-40, “European Centre for Medium Range Weather Forecasts”
WAVES AND WINDS
• OFFSHORE • NEARSHORE
WINDS
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• 2003 - 2017
SHORELINE CHANGES - IMAGES GENESIS
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SBEACH
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PROPOSED PROJECT
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• BUILDING A FIRST REACH OF THE BEACH ENHANCEMENT
• PUBLIC STILL DOESN’T UNDERSTAND THE BENEFITS OF DUNE RESTORATION AND BEACH WIDENING
• THE DUNE AND BERM ARE HOLDING
PROJECT TODAY
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• THE LAND WAS HEAVILY DETERIORATED DUE TO MINING AND QUAD RIDING
• BASED ON HISTORIC DATA AND ANALYSIS BEACH NOURISHMENT AND BERM RECONSTRUCTION WAS RECOMMENDED AS A MITIGATION AND PREVENTIVE MEASURE
• PART OF THE PROJECT WAS BUILT AND IT IS HOLDING
• PUBLIC DOES NOT VALUE THE BEACH RESTORATION
• THE MARINA PART OF THE PROJECT IS YET TO BE DESIGNED
CONCLUSIONS
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• THANK YOU!
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