Research confirms increase in river flooding and droughts in U.S., Canada – Phys.org

The number of “extreme streamflow” events observed in river systems have increased significantly across the United States and Canada over the last century, according to a study from Dartmouth College.
In regions where water runoff from snowmelt is a main contributor to river streamflow, the study found a rise in extreme events, such as flooding.
In drought-prone regions in the western and southeastern U.S., the study found that the frequency of extreme low-flow events has also become more common,…

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