Scottish rocks have provided evidence of a previously unknown ice age that has shed new light on the evolution of the planet. Scientists from the University of Aberdeen have analyzed rocks in the Torridon area of the Northwest Highlands and uncovered evidence of debris dropped from melting icebergs...
Rivers in humid zones are delicately adjusted, within narrow limits, to evacuate the water and sediment supplied from upstream without significant changes in channel type and the morphology of the valley floor. Prevailing climate and land use are the major controls determining the nature of that ...