These maps show the topography of southern Asia and the depth of sediment that has eroded from the continents and accumulated on the ocean floor. Note that the deepest sediments are in the Bay of Bengal (the red area east of the Indian peninsula), fed by the Ganges and Bramaputra Rivers, and in the Arabian Sea (orange, west of India), fed by discharge from the Indus River. The Ganges and Bramaputra basins are located in humid subtropical and tropical wet monsoon climate regions. The Indus basin drains a desert region.
The Himalaya Mountains are the primary source of the sediment transported by the rivers. Imagine yourself as a piece of rock at the very top of Mount Everest. Describe a scenario by which you become a collection of sediments in the Bay of Bengal. Discuss the changes in weathering processes acting upon you between the high, cold reaches of the Himalayas and the hot, humid mud flats of the Ganges Delta. It's an epic drama, so feel free to be as theatrical as you like.
How does the region's low-latitude location affect inputs of heat and kinetic energy? How might the system be different if it were located in the middle of the Sahara Desert?
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