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Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies

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Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies. / Wieser, G ; Emberson, L D .

In: Atmospheric Environment, Vol. 38, No. 15, 05.2004, p. 2339-2348.

Research output: Contribution to journalArticle

Harvard

Wieser, G & Emberson, LD 2004, 'Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies', Atmospheric Environment, vol. 38, no. 15, pp. 2339-2348. https://doi.org/10.1016/j.atmosenv.2003.10.061

APA

Wieser, G., & Emberson, L. D. (2004). Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies. Atmospheric Environment, 38(15), 2339-2348. https://doi.org/10.1016/j.atmosenv.2003.10.061

Vancouver

Wieser G, Emberson LD. Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies. Atmospheric Environment. 2004 May;38(15):2339-2348. https://doi.org/10.1016/j.atmosenv.2003.10.061

Author

Wieser, G ; Emberson, L D . / Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies. In: Atmospheric Environment. 2004 ; Vol. 38, No. 15. pp. 2339-2348.

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@article{1cb0fcde73b64b088a64ebec1c15c13c,
title = "Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies",
abstract = "It is widely acknowledged that the possible impacts of ozone on forest trees are more closely related to ozone flux through the stomata than to external ozone exposure. However, the application of the flux approach on a European scale requires the availability of appropriate models, such as the European Monitoring and Evaluation Programme (EMEP) ozone deposition model, for estimating ozone flux and cumulative ozone uptake. Within this model stomatal conductance is the key variable, since it determines the amount of ozone absorbed by the leaves. This paper describes the suitability of the existing EMEP ozone deposition model parameterisation and formulation to represent stomatal behaviour determined from field measurements on adult Norway spruce (Picea abies (L.) Karst.) trees in the Central European Alps. Parameters affecting maximum stomatal conductance (e.g. seasonal phenology, needle position, needle age, nutrient deficiency and ozone itself) and stomatal response functions to temperature, irradiance, vapour pressure deficit, and soil water content are investigated. Finally, current limitations and possible alterations of the EMEP model will be discussed with respect to spatial scales of available input data for future flux modelling. (C) 2004 Elsevier Ltd. All rights reserved.",
keywords = "ozone uptake, EMEP O-3 deposition model, stomata, season, temperature, irradiance, water vapour pressure deficit, OPEN-TOP CHAMBERS, LONG-TERM EXPOSURE, GAS-EXCHANGE RESPONSE, CURRENT-YEAR NEEDLES, NORWAY SPRUCE, L KARST, NONSTOMATAL LIMITATION, NET PHOTOSYNTHESIS, LEAF CONDUCTANCE, DIFFERENT AGES",
author = "G Wieser and Emberson, {L D}",
year = "2004",
month = "5",
doi = "10.1016/j.atmosenv.2003.10.061",
language = "English",
volume = "38",
pages = "2339--2348",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier Limited",
number = "15",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Evaluation of the stomatal conductance formulation in the EMEP ozone deposition model for Picea Abies

AU - Wieser, G

AU - Emberson, L D

PY - 2004/5

Y1 - 2004/5

N2 - It is widely acknowledged that the possible impacts of ozone on forest trees are more closely related to ozone flux through the stomata than to external ozone exposure. However, the application of the flux approach on a European scale requires the availability of appropriate models, such as the European Monitoring and Evaluation Programme (EMEP) ozone deposition model, for estimating ozone flux and cumulative ozone uptake. Within this model stomatal conductance is the key variable, since it determines the amount of ozone absorbed by the leaves. This paper describes the suitability of the existing EMEP ozone deposition model parameterisation and formulation to represent stomatal behaviour determined from field measurements on adult Norway spruce (Picea abies (L.) Karst.) trees in the Central European Alps. Parameters affecting maximum stomatal conductance (e.g. seasonal phenology, needle position, needle age, nutrient deficiency and ozone itself) and stomatal response functions to temperature, irradiance, vapour pressure deficit, and soil water content are investigated. Finally, current limitations and possible alterations of the EMEP model will be discussed with respect to spatial scales of available input data for future flux modelling. (C) 2004 Elsevier Ltd. All rights reserved.

AB - It is widely acknowledged that the possible impacts of ozone on forest trees are more closely related to ozone flux through the stomata than to external ozone exposure. However, the application of the flux approach on a European scale requires the availability of appropriate models, such as the European Monitoring and Evaluation Programme (EMEP) ozone deposition model, for estimating ozone flux and cumulative ozone uptake. Within this model stomatal conductance is the key variable, since it determines the amount of ozone absorbed by the leaves. This paper describes the suitability of the existing EMEP ozone deposition model parameterisation and formulation to represent stomatal behaviour determined from field measurements on adult Norway spruce (Picea abies (L.) Karst.) trees in the Central European Alps. Parameters affecting maximum stomatal conductance (e.g. seasonal phenology, needle position, needle age, nutrient deficiency and ozone itself) and stomatal response functions to temperature, irradiance, vapour pressure deficit, and soil water content are investigated. Finally, current limitations and possible alterations of the EMEP model will be discussed with respect to spatial scales of available input data for future flux modelling. (C) 2004 Elsevier Ltd. All rights reserved.

KW - ozone uptake

KW - EMEP O-3 deposition model

KW - stomata

KW - season

KW - temperature

KW - irradiance

KW - water vapour pressure deficit

KW - OPEN-TOP CHAMBERS

KW - LONG-TERM EXPOSURE

KW - GAS-EXCHANGE RESPONSE

KW - CURRENT-YEAR NEEDLES

KW - NORWAY SPRUCE

KW - L KARST

KW - NONSTOMATAL LIMITATION

KW - NET PHOTOSYNTHESIS

KW - LEAF CONDUCTANCE

KW - DIFFERENT AGES

U2 - 10.1016/j.atmosenv.2003.10.061

DO - 10.1016/j.atmosenv.2003.10.061

M3 - Article

VL - 38

SP - 2339

EP - 2348

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

IS - 15

ER -