During upending, the birds may grasp mouthfuls of sediment from the substrate surface and, again, sieve the sediment for food particles. "Traces emplaced during this feeding would look like ...

Equipment includes sieves, binocular microscopes ... Anne Jennings and her colleagues spent two months on a ship off the coast of Greenland drilling sediment cores deep below the ocean floor. They ...

A Bartington MS2 magnetic susceptibility meter is available for sediment core analysis, and a 24” Travel Velmex Measurement System with 0.001 mm Accu-Rite readout for tree-ring work. A variety of ...

3) A Gust Chamber for assessment of cohesive sediment erosion thresholds. 4) A digital microscope for examination of grain shape and lithology. 5) Various analytical balances, ovens and sieves for ...

Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year.