Each year the KBS LTER program awards two graduate students with summer research fellowships. Here Dustin Kincaid describes the research his summer fellowship supported. Dustin is a Ph.D. student in Steve Hamilton's lab. ~~~ “ . . . the world is mud-luscious and puddle-wonderful” -ee cummings Mud matters. Especially in shallow water bodies. Or at least I’m convinced it matters—enough to spend most of my 2014 field season hip and often eyeball deep in mud anyways. As water flows across the landscape, interactions with mud, or more appropriately, sediments, influence the fluxes of