WIT Press


Vertical Profiles Of Acidic Aerosols In Les Landes Forest

Price

Free (open access)

Paper DOI

10.2495/AIR960371

Volume

14

Pages

8

Published

1996

Size

592 kb

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