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Abstract Application of inferential models is currently the only practical way of quantifying seasonal and annual dry deposition rates of acidifying chemical species. A number of inferential… (More)
Abstract This paper describes the development of a detailed dry deposition model for routine computation of dry deposition velocities of SO 2 , O 3 , HNO 3 and fine particle SO 4 2− across much of… (More)
Abstract The relative merits of applying contemporary atmospheric diffusional models to reconstructing Quaternary vegetational patterns via modern pollen rain studies are being examined in a… (More)
Abstract Atmospheric concentration profiles of pollen from jack pine (Pinus banksiana Lamb.) and black spruce (Picea mariana (Mill.) B.S.P.) were measured up to 300 m above ground level at the edge… (More)
Abstract A common method of predicting pollen concentration in a turbulent atmosphere involves solving a partial differential equation that governs the simultaneous convection and diffusion of… (More)
A practical heat sum method was validated for estimating the date of maximal pollen release of jack pine (Pinus banksiana Lamb.) in northern Ontario. The base temperature and start date that… (More)