GEOL 1 Lecture Notes - Lecture 20: Distributary, Silt, Subsidence
21 Sep 2020
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Document Summary
The area that contains all waters flowing down into river channel. Small streams that eventually flow into larger ones. Streams meet each other at right angles. Often indicate there are joint sets in the area. Area of slightly raised elevation next to the channel. Relatively flat plain next to channel that gets flooded if water comes over the banks and levees. In areas of lower gradient, channels start meandering. Areas of lower gradient has slower water flow. The area of active erosion on the outside of a meander. Deposit of sediment build up by a river on the inside bend of a meander. If discharge increases until channel cannot contain all the water, flooding. Don"t want mud, silt all over the place to businesses. Probability in a given yr = 1/interval. The arc where the river empties into a body of water. Near the mouth, erosion ends and deposition commences.
