The image is a photograph of the Yukon River delta in Alaska. Describe how the delta could be changed over time. make it sound like an 8th grader.
The picture shows the Yukon River delta in Alaska, which is super cool! So, deltas can totally change over time because of a bunch of different factors.
First, one way the delta can change is due to erosion, or when rocks, soil, and stuff get carried away by the river water. The river is constantly flowing, and it brings all this loose material with it. As the river slows down when it reaches the delta, it drops off some of that material, creating new land. But at the same time, some parts of the delta erode away because of the strong river currents.
Second, another thing that can impact a delta are changes in sea level. If the sea level rises, it can make the delta flood more often, and the river has a harder time building up new land. On the other hand, if the sea level drops, the delta may be exposed more often, and the river can build up more land.
Third, climate change can also have an effect on deltas. With the changing climate, it can impact the amount of rainfall and snowfall the river receives, which can change its flow and the amount of sediment it carries. This can cause the delta to change shape over time.
Lastly, human activities like building dams, diverting the river, or dredging it can also alter the delta. These activities can change the flow of the river, the amount of sediment it carries, and the natural processes that shape the delta.
So, in summary, the Yukon River delta can change because of erosion, changes in sea level, climate change, and human activities like dam building. These factors can all affect how the delta grows or shrinks over time.