1. Comparing i-Tree modeled ozone deposition with field measurements in a periurban Mediterranean forest.
- Author
-
Morani, A., Nowak, D., Hirabayashi, S., Guidolotti, G., Medori, M., Muzzini, V., Fares, S., Mugnozza, G. Scarascia, and Calfapietra, C.
- Subjects
ENVIRONMENTAL research ,ATMOSPHERIC ozone analysis ,ATMOSPHERIC deposition ,FORESTS & forestry ,MATHEMATICAL models - Abstract
Ozone flux estimates from the i-Tree model were compared with ozone flux measurements using the Eddy Covariance technique in a periurban Mediterranean forest near Rome (Castelporziano). For the first time i-Tree model outputs were compared with field measurements in relation to dry deposition estimates. Results showed generally a good agreement between predicted and measured ozone fluxes (least sum square = 5.6 e
-4 ) especially when cumulative values over the whole measurement campaign are considered. However at daily and hourly time-step some overestimations were observed in estimated values especially in hot dry periods. The use of different m values in the Ball–Berry formula in the different periods, produced the best fit between predicted and measured ozone fluxes. This suggests that a variable value for the coefficient m accounting for water availability may be appropriate to improve model estimates for Mediterranean and drought prone regions. [ABSTRACT FROM AUTHOR]- Published
- 2014
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