EXAM 3 Questions and Answers for SDSU Oceanography 100 Latest Updated

EXAM 3 Questions and Answers for SDSU Oceanography 100 Latest Updated the coastal region (6 parts) - CORRECT ANSWER-1) coast 2) offshore 3) beach 4) berm 5) notch 6) wave coast - CORRECT ANSWER-land extending inland as far as marine is seen; land adjacent to the beach affected by the ocean offshore - CORRECT ANSWER-extends from breakers to edge of continental shelf beach - CORRECT ANSWER-shore and nearshore; very active berm - CORRECT ANSWER-dry area at foot of coastal cliff; sand notch - CORRECT ANSWER-cave cut into sea cliff by waves wave-cut platform - CORRECT ANSWER-flat eroded bedrock at beach created by wave erosion effects of WAVE ENERGY - CORRECT ANSWER-excavates notches into rocks --- unstable cliff--- rivers and cliff erosion --- source of sand to the beach wintertime beach - CORRECT ANSWER-short, high waves; high energy; rocky beach and narrow berm; algae growth due to pollution summertime beach - CORRECT ANSWER-long, low waves; low energy; sandy beach and wide berm longshore current - CORRECT ANSWER-waves 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 - CORRECT ANSWER-flat coast b/c of passive margin; sediment comes from rivers; SUBMERGENT COAST; ex- deltas, barrier islands erosional coast - CORRECT ANSWER-tectonic uplift b/c active margin; marine terraces made from earthquakes; EMERGENT COAST; ex- cliffs, headlands, sea caves, arches, stacks Atlantic Coast - CORRECT ANSWER-depositional; passive margin; no plate boundary; shoreline rises and ocean migrates inlan