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Summary
A Delta is a D shaped area of sediment built up into water thats open that flows into a river or ocean. And this sediment is muddy or sandy. A source is a start of the river and a mouth of a river is a point in which a river reaches a sea or lake. A loop or bend in a river is called a Meander. The San Joaquin River has a Delta, in fact its a Bay Delta. The San Joaquin river is the main source of water for about 25 million people from far away for example from Los Angeles and San Diego.
SP2: Developing and using models
I annotated picture of lakes with all the river features I could find. In one I found 1 V-shaped valley , 2 meanders, 1 mouth and 1 source. And another one had a 1 Alluvial Fan, 1 Ox bow lake, 1 source, and 1 mouth. I found out that a source is a start of a river and that a mouth is the point in which the river flows out into a sea or lake. And I also figured out that a Meander is a curve or loop in a river. A tributary is a small river that joins a main river next to it.
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