Estimates of Climate Change Effects on Monthly Stream Runoff Applications to Streams in Minnesota and Oklahoma

TL;DRAbstract

This study examines the relationship between runoff and climate in two small
\nwatersheds in the mid~continental U.S. A parametric runoff model is applied to two
\nwatersheds with substantially different climates. One watershed is in the north~central
\nU.S. with cold climate, heavily timbered, with an annual precipitation of 768 nun, an
\nannual runoff of 448 mm and mean annual temperature of 3.5 DC. The other is in the
\nsouth-central U.S. with warm climate, mainly covered with pasture and agricultural crops,
\nwith ,an annual precipitation of 746 nun, an annual runoff of 49 mm and mean annual
\ntemperature of 15°C. The parametric runoff model has a monthly time scale and
\nsimulates the historical monthly runoff of these watersheds with an R2 of 0.95 (Mohseni
\nand Stefan, 1996). In order to investigate the effects of potential climate change on
\nrunoff from the two watersheds the parametric runoff model was applied with past and
\nprojec

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