Beavers and the dams they build promote sediment deposition and modify channel and floodplain morphology and physical complexity. Beaver activities may result in increased watershed-scale water and ...

Though billions of people are without adequate fresh-water resources, even more people lack effective sanitation services. This latter concern is the focus of an appropriate technology initiative ...

Phase transition: Aerial photograph of Arctic melt ponds (Courtesy: Healy–Oden Trans-Arctic Expedition (2005)) A new computer model can simulate how ponds of meltwater form and evolve on the surface ...

This is a preview. Log in through your library . Abstract Most literature on facultative ponds cover only suspended biomass, considering them as the major group of biomass responsible for substrate ...

The dynamics of turbulent fluid flow coupled to the precipitation-driven growth of the travertine substrate was modelled on a discrete lattice of cells. Our cell dynamical system (CDS) is a set of ...