A new study has mapped 35 years of river changes on a global scale. The work has revealed significant effects on both downstream (44% decrease in water flow) and upstream (17% flow increase) rivers, ...

Variable-geometry combined-cycle inlets must accommodate the variations in upstream flow conditions across wide speed and altitude envelopes, while also meeting the complex demands of downstream multi ...

(CN) — Rivers are undergoing a dramatic transformation worldwide, with headwater streams swelling and downstream basins shrinking. A comprehensive study published Thursday in Science has mapped 2.9 ...

This map illustrates significant changes in 6,167 reaches of the largest rivers on earth—44.2% saw decreases in streamflow and 11.9% saw increases over 35 years. AMHERST, Mass. — A new study in ...