Cross-sectional profiles of sand ripples, megaripples, and sand dunes provide a useful tool for discriminating between formation by ripple and dune processes. Feature width, defined as the basal break in slope along the ...

Maps of net and gross primary production, autotrophic respiration, biomass, and other biophysical variables were generated for 106km2 of boreal forest in central Canada (the Boreal Ecosystem-Atmosphere (BOREAS) region) ...

To commemorate the centennial of the Proceedings of the IEEE, several authors from diverse areas of expertise examine space exploration from its beginnings in the middle of the last century and look onward to half a century ...