SDSU OCEANS 100 EXAM 3 Questions And Answers (Updated And Verified)

SDSU OCEANS 100 EXAM 3 Questions And Answers (Updated And Verified) The coastal region (6 parts) - answer1) coast 2) offshore 3) beach 4) berm 5) notch 6) wave coast - answerland extending inland as far as marine is seen; land adjacent to the beach affected by the ocean offshore - answerextends from breakers to edge of continental shelf beach - answershore and nearshore; very active berm - answerdry area at foot of coastal cliff; sand notch - answercave cut into sea cliff by waves wave-cut platform - answerflat eroded bedrock at beach created by wave erosion effects of WAVE ENERGY - answerexcavates notches into rocks ---> unstable cliff---> rivers and cliff erosion ---> source of sand to the beach wintertime beach - answershort, high waves; high energy; rocky beach and narrow berm; algae growth due to pollution summertime beach - answerlong, low waves; low energy; sandy beach and wide berm longshore current - answerwaves move at an angle and flow parallel coast; currents come from N to S; currents move left to right and wrap around coastline depositional coast - answerflat coast b/c of passive margin; sediment comes from rivers; SUBMERGENT COAST; ex- deltas, barrier islands erosional coast - answertectonic uplift b/c active margin; marine terraces made from earthquakes; EMERGENT COAST; ex- cliffs, headlands, sea caves, arches, stacks Atlantic Coast - answerdepositional; passive margin; no plate boundary; shoreline rises and ocean migrates inland Pacific Coast - answererosional; active margin; plate boundary; shoreline rises and ocean does not migrate inland Gulf Coast - answerbelow sea level, ocean migrates farthest inland