D. Leclerc results 17
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Seven years of carbon dioxide flux measurements indicate that a ∼90‐year‐old spruce dominated forest in Maine, USA, has been sequestering 174±46 g C m −2 yr −1 (mean±1 standard deviation, nocturnal friction velocity ( u * ) threshold >0.25 m s −1 ). An analysis of monthly flux anomalies showed that above‐average spring and fall temperatures were significantly correlated with greater monthly C uptake while above‐average summer...
Groundwater flow in an idealized atoll platform is simulated with CASTEM 2000, a computer code developed at the CEA (Commissariat À lÂEnergie Atomique). Darcy's law and a coupled solute transport equation (diffusion‐dispersion‐convection) is solved by the mixed‐hybrid finite element method. Inward and upward circulations of oceanic water are shown to occur. These steady state circulations result from temperature and, to a less...
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