11.What happened in the picture above? A) Turbulence where the rivers enter the sea has caused suspended sediment in the seawater to flocculate and settle, forming the deposits seen on the right.B) Rivers have delivered sediment to the sea, forming flat-topped deposits called deltas.C) Rivers have delivered sediment to the sea, forming deltas that built up as they built out so that they still slope slightly downhill toward the sea.D) Divers have built the mud piles to slow down the river water and protect endangered clams that live along the coast.E) A certain financially ailing airline that flies to Cincinnati and then Atlanta built this from thrown-out beverage cups as an advertisement.Feedback: Two deltas have formed where streams carry sediment from the
hillside into the fjord in South Greenland. The main source of sediment is the streams from the land, not suspended sediment already in the sea water. And the deposits cannot be purely flat-topped, or the rivers would not flow across to get tothe sea water in the fjord. Mollusks do live along the coast but are not being protected by intrusive changes to the coastline, nor do enough people visit here to be worth advertising Delta Airlines.Correct Answer(s):C Points Earned: 1.0/1. 0 12.Pictures 1 and 2 show two very different looking rivers. What can you say about them?
Points Earned: 1.0/1. 0 13.In the picture above, Dr. Alley is discussing events that are happening outside of Grand Canyon National Park, which may impact the park. What are the issues he is discussing?
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- Spring '12
- Subduction, Delta Airlines, Appalachians