A comparison of two different approaches for mapping potential ozone damage to vegetation. A model study

Simpson, David; Ashmore, Mike; Emberson, Lisa; Tuovinen, J.-P.

doi:10.1016/j.envpol.2006.04.013

Cited by 123 publications

(108 citation statements)

References 32 publications

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“…4e, ozone uptakes are lower in the centre of the IP. These results are consistent with those obtained at European scale by Simpson et al (2007) and the assessment of Mills et al (2011 b) for generic crops. The POD6 spatial distribution fits quite well with visible injury data attributed to ozone on crops, shrubs and semi-natural vegetation species according to ICP Vegetation (2007).…”

Section: Wheatsupporting

confidence: 93%

“…The concept of relative exceedance (J?eXC) introduced by Simpson et al (2007) was used to evaluate the exceedance of CL throughout the domain (Eq. (6)).…”

Section: Exceedance Of Critical Level (Cl)mentioning

confidence: 99%

“…Over the last two decades, the effects of ground-level ozone on plants have led to a request from policy makers to scientists for methods to quantify the risk of damage to vegetation (Fuhrer and Booker, 2003;Simpson et al, 2007). As a result, intensive work is being carried out to develop quantitative methods for this purpose (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Implementation of a module for risk of ozone impacts assessment to vegetation in the Integrated Assessment Modelling system for the Iberian Peninsula. Evaluation for wheat and Holm oak

Andrés

Borge

Paz

et al. 2012

Environmental Pollution

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A module to estimate risks of ozone damage to vegetation has been implemented in the Integrated Assessment Modelling system for the Iberian Peninsula. It was applied to compute three different indexes for wheat and Holm oak; daylight AOT40 (cumulative ozone concentration over 40 ppb), cumulative ozone exposure index according to the Directive 2008/50/EC (AOT40-D) and PODy (Phytotoxic Ozone Dose over a given threshold of Y nmol m~2 s _1 ). The use of these indexes led to remarkable differences in spatial patterns of relative ozone risks on vegetation. Ozone critical levels were exceeded in most of the modelling domain and soil moisture content was found to have a significant impact on the results. According to the outputs of the model, daylight AOT40 constitutes a more conservative index than the AOT40-D. Additionally, flux-based estimations indicate high risk areas in Portugal for both wheat and Holm oak that are not identified by AOT-based methods.

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Section: Wheatsupporting

confidence: 93%

“…The concept of relative exceedance (J?eXC) introduced by Simpson et al (2007) was used to evaluate the exceedance of CL throughout the domain (Eq. (6)).…”

Section: Exceedance Of Critical Level (Cl)mentioning

confidence: 99%

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Implementation of a module for risk of ozone impacts assessment to vegetation in the Integrated Assessment Modelling system for the Iberian Peninsula. Evaluation for wheat and Holm oak

Andrés

Borge

Paz

et al. 2012

Environmental Pollution

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“…The idea rests upon the observation that vapour pressure values are often very stable over the day, and that if we assume RH levels are close to 100% during nighttime, then temperature alone is sufficient to predict humidity parameters. We are particularly interested in the performance of such a methodology for predicting noontime values of D, because of its strong link to stomatal uptake and hence pollutant uptake (Emberson et al, 2000;Simpson et al, 2007). This methodology has been tested using meteorological data from 32 sites covering a range of locations in Europe, with a focus on predicting day to day changes in noontime values.…”

Section: Discussionmentioning

confidence: 99%

“…Campbell and Norman, 1998;Jarvis and McNaughton, 1986;Jones, 1992;Kimball et al, 1997, and references therein) and for the uptake of harmful pollutants such as ozone through the stomata (Emberson et al, 2000;Simpson et al, 2001Simpson et al, 2007.…”

Section: Rh = E E S (T ) = E S (T D ) E S (T ) (1)mentioning

confidence: 99%

Humidity parameters from temperature: test of a simple methodology for European conditions

Andersson-Sköld

Simpson

Ødegaard

2007

Intl Journal of Climatology

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Atmospheric water content is important for local and regional climate, and for chemical processes of soluble and solute species in the atmosphere. Further, vapour pressure deficit (D) is one of the key controls on the opening of stomata in plants and is thus an important force for evapotransporation, plant respiration and biomass production and for the uptake of harmful pollutants such as ozone through the stomata.Most meteorological stations typically measure both temperature and relative humidity (RH). However, even if recorded at finer time resolution, it is usually the daily or often monthly means of RH which are published in climate reports. Unfortunately, such data cannot be used to obtain the changes in RH or vapour pressure deficit over the day, as this depends strongly on the diurnal temperature variation during the day and not upon the mean temperature.Although RH typically changes significantly over the day, the ambient vapour pressure is often remarkably constant. Here a simple method to estimate diurnal vapour pressure is evaluated, based upon an assumed constant vapour pressure, and that recorded minimum temperatures approximate dew-point temperatures. With a knowledge of only temperature, we will show that day to day estimates of vapour pressure, humidity and especially D, can be made with reasonable accuracy. This methodology is tested using meteorological data from 32 sites covering a range of locations in Europe. Such a simple methodology may be used to extract approximate diurnal curves of vapour pressures from published meteorological data which contains only minimum temperatures for each day, or where humidity data are not available.

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Molecular Breeding for Improving Ozone Tolerance in Rice: Recent Progress and Future Perspectives

Ashrafuzzaman

Henry

Frei

2021

Molecular Breeding for Rice Abiotic Stress Tolerance and Nutritional Quality

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A comparison of two different approaches for mapping potential ozone damage to vegetation. A model study

Cited by 123 publications

References 32 publications

Implementation of a module for risk of ozone impacts assessment to vegetation in the Integrated Assessment Modelling system for the Iberian Peninsula. Evaluation for wheat and Holm oak

Implementation of a module for risk of ozone impacts assessment to vegetation in the Integrated Assessment Modelling system for the Iberian Peninsula. Evaluation for wheat and Holm oak

Humidity parameters from temperature: test of a simple methodology for European conditions

Molecular Breeding for Improving Ozone Tolerance in Rice: Recent Progress and Future Perspectives

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