Spring testing showed improving results, but the low water flow in the autumn led to lower scores, says the association.

COLLEGE STATION - Turns out that picturesque mountain stream you've always admired doesn't just burble randomly down the hillside: It marches to the measured cadence of its own drummer. Geographer ...

Mountains cover 25% of the Earth's surface, and the streams draining these mountains account for more than a third of the global runoff. But the role that mountain streams play in global carbon fluxes ...