Respuesta :
Final answer:
The largest grains of sediment would be located at the location with the lowest energy, typically in an area with calm water or a low-energy environment. The smallest grains of sediment would be found in high-energy environments, such as fast-flowing rivers or areas with strong waves and currents.
Explanation:
Sediment size is influenced by the energy level of the environment. In low-energy environments, where there is minimal water movement, larger and heavier grains can settle and accumulate because there is not enough energy to keep them suspended. On the other hand, high-energy environments experience more turbulent conditions, causing finer particles to be transported and deposited since the energy is sufficient to keep them in suspension.
This relationship between sediment size and energy levels is described by the Hjulström curve, which shows that sediment transport and deposition are related to the velocity of the water. The curve indicates that for a given sediment size, there is a threshold velocity below which sediment will settle, and above which sediment will be transported. Therefore, in locations with lower energy, large sediment grains can settle, while in high-energy locations, only smaller grains can remain in suspension.
In summary, the largest sediment grains are found in low-energy environments where the water movement is minimal, allowing heavier particles to settle. Conversely, the smallest grains are located in high-energy environments where strong water movement prevents larger particles from settling, leading to the predominance of finer sediment.
