Geology Saw Kill (Hudson River)

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shale bedrock in saw kill @ rock city


a 1998 study 2 foresters compared soil erosion in saw kill watershed of stony creek, hudson subwatershed directly north, since both streams empty similar tivoli bays, sediment streams can distinguished, , 2 streams watersheds same size. 2 bays differ in terrain, north bay stony creek empties having become on years since european settlement raised marsh overgrown cattails, while south bay, fed saw kill, has remained open water. researchers asked factors might have caused unplanned natural experiment in wetland creation.


they chose focus on historical patterns of settlement , development, comparing 2 watersheds on time late 17th century present. in particular focused on agricultural use, since involves clearing of land, increasing potential erosion. however, found saw kill, despite heavier development, , greater present use, farming, had twice soil erosion annually stony creek watershed. posited clearing took place within watershed might have more bearing on how soil erodes, , sediment once deposited in river; more research, said, necessary.








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