Vertical Profiles Of Acidic Aerosols In Les Landes
Forest
Author(s)
M.L. Sanchez, R. Rodriguez, J. Dominguez, I. Perez, M.A. Garcia,
M.J. Fernandez & J. Sanz
Abstract
Sulphates and nitrates vertical profiles were measured in Les Landes forest
using filter packs. From these data dry deposition fluxes and velocities were
calculated by means of the gradient method. Micrometeorological parameters
were evaluated using both the gradient method and the eddy correlation
technique. The average values of the deposition velocities were 0.53 and 0.17
cm s~* for nitrates and sulphates respectively. The influence of (-1/L) ^ on the
standardized deposition velocity (V^/u*) is examined and compared for both
aerosols.
1 Introduction
Acidic aerosols are formed and deposited over surfaces during long transport.
Due to the well known adverse effects of aerosols on forests and natural
ecosystems, the quantification of deposition fluxes i
Keywords
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