A MULTI-LAYER MODEL FOR ESTIMATING SULFUR-DIOXIDE DEPOSITION TO A DECIDUOUS OAK FOREST CANOPY

被引：103

作者：

BALDOCCHI, D

机构：

[1] Atmospheric Turbulence and Diffusion Division, Oak Ridge, TN 37831, United States

来源：

ATMOSPHERIC ENVIRONMENT | 1988年 / 22卷 / 05期

关键词：

AIR POLLUTION - Mathematical Models - FORESTRY - METEOROLOGY;

D O I：

10.1016/0004-6981(88)90264-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A multi-layer 'K-theory' model for gaseous deposition to a deciduous forest is described and discussed. The model incorporates realistic physiological concepts to improve upon earlier multi-layer models found in the literature. Computations of deposition fluxes and velocities are most sensitive to variations in parameters relating to stomatal resistance. The model computations of deposition velocities are less sensitive to aerodynamic parameters since the canopy resistance of a deciduous forest is generally much greater than the aerodynamic resistance. Model computations of SO//2 flux and deposition velocities are tested against deposition measurements made over a deciduous forest; these computations are not significantly different from measured values. Estimates of deposition fluxes, computed with multi-layer model, improve upon those values estimated

引用

页码：869 / 884

页数：16

共 61 条

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