Atmospheric input of lead into the German Bight - a high resolution measurement and model case study

Schlünzen, K. Heinke; Stahlschmidt, T.; Rebers, A.; Niemeier, Ulrike; Kriews, Michael; Dannecker, W.

doi:10.3354/meps156299

Cited by 12 publications

(10 citation statements)

References 11 publications

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“…Lenz et al, 2000;Müller et al, 2001;Schlünzen and Meyer, 2007;Meyer and Schlünzen, 2011). Applications of the online integrated system concern atmospheric inputs into the marginal seas and mud-flat areas (Schlünzen and Pahl, 1992;Schlünzen et al, 1997;von Salzen and Schlünzen, 1999c), aerosol load and concentrations within street canyons or biogenic emissions and gene flow on a landscape level (Renner and Münzen-berg, 2003;Schueler and Schlünzen, 2006;Buschboom et al, 2012).…”

Section: A11 M-sys (Online Version) Germanymentioning

confidence: 99%

Online coupled regional meteorology chemistry models in Europe: current status and prospects

et al. 2014

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Published by Copernicus Publications on behalf of the European Geosciences Union. A. Baklanov et al.: Online coupled regional meteorology chemistry models in EuropeAbstract. Online coupled mesoscale meteorology atmospheric chemistry models have undergone a rapid evolution in recent years. Although mainly developed by the air quality modelling community, these models are also of interest for numerical weather prediction and regional climate modelling as they can consider not only the effects of meteorology on air quality, but also the potentially important effects of atmospheric composition on weather. Two ways of online coupling can be distinguished: online integrated and online access coupling. Online integrated models simulate meteorology and chemistry over the same grid in one model using one main time step for integration. Online access models use independent meteorology and chemistry modules that might even have different grids, but exchange meteorology and chemistry data on a regular and frequent basis. This article offers a comprehensive review of the current research status of online coupled meteorology and atmospheric chemistry modelling within Europe. Eighteen regional online coupled models developed or being used in Europe are described and compared. Topics discussed include a survey of processes relevant to the interactions between atmospheric physics, dynamics and composition; a brief overview of existing online mesoscale models and European model developments; an analysis on how feedback processes are treated in these models; numerical issues associated with coupled models; and several case studies and model performance evaluation methods. Finally, this article highlights selected scientific issues and emerging challenges that require proper consideration to improve the reliability and usability of these models for the three scientific communities: air quality, numerical meteorology modelling (including weather prediction) and climate modelling. This review will be of particular interest to model developers and users in all three fields as it presents a synthesis of scientific progress and provides recommendations for future research directions and priorities in the development, application and evaluation of online coupled models.

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Section: A11 M-sys (Online Version) Germanymentioning

confidence: 99%

Online coupled regional meteorology chemistry models in Europe: current status and prospects

et al. 2014

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“…Within METRAS the gas‐phase and aerosol chemistry is simultaneously solved with the wind, temperature and humidity fields. Studies performed with METRAS focused on mesoscale phenomena, on pollution transport and the processes influencing deposition (Schlünzen, 1990; Wu and Schlünzen, 1992; Niemeier and Schlünzen, 1993; Schlünzen et al, 1997; von Salzen and Schlünzen, 1999; Sheng et al, 2000). The influence of various parameterisations on model results has been studied (Schlünzen and Pahl, 1992; Lüpkes and Schlünzen, 1996; von Salzen et al, 1996), and the dependence of model results on boundary values has been investigated (Lenz et al, 2000).…”

Section: Model Descriptionmentioning

confidence: 99%

Relevance of sub-grid-scale land-use effects for mesoscale models

Schlünzen¹,

Katzfey²

2003

Tellus A

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The dependence of the performance of mesoscale‐α and mesoscale‐β models on model resolution and parameterisation of sub‐grid‐scale land‐use effects is investigated for a meteorological situation that is strongly influenced by local effects. Two mesoscale models of different horizontal resolution and model physics are applied to the same meteorological situation, and the results are compared with observations. Sensitivity studies are performed to estimate the effect of resolution (4 km or 5 km versus 18 km), parameterisation of sub‐grid‐scale land‐use effects and initial state on the results of both models. Results show that the accuracy improves with resolution when simple parameterisations of sub‐grid‐scale land‐use effects are applied. The inclusion of sub‐grid‐scale land‐use effects with application of a flux aggregation method provides the best solution, which is nearly independent of the resolutions used. The use of parameter averaging to account for sub‐grid‐scale land‐use effects was worse than just using one (main) land‐use per grid cell. Initial conditions were also found to have a significant impact on the results.

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“…METRAS has been successfully applied to study atmospheric phenomena in different regions [8,29,30,42,52] and with consideration of pollution transport [43,44,49,58,60].…”

Section: Model Descriptionmentioning

confidence: 99%

Modeling of oak pollen dispersal on the landscape level with a mesoscale atmospheric model

Schueler

Schlünzen²

2006

Environ Model Assess

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We present the extension and application of the mesoscale atmospheric meteorology model METRAS for dispersion of oak pollen. We incorporated functions for pollen emission, pollen viability and pollen deposition into METRAS and simulated pollen dispersal on a scale of up to 200 km. The basis of the simulations is a real landscape structure that includes topography, land use, and the location and size of oak stands. We simulated the oak pollen dispersion of one single oak stand with an estimated annual pollen production of 1 billion pollen grains/m 2 forest surface on two exemplary days of the flowering season in 2000. Depending on the meteorological situation of the simulated days, a pollen cloud with about 10 pollen/m 3 may extend up to 30 km from the source. Downstream of the oak stand, approximately 1,000 pollen/m 2 deposited up to a distance of 25 km, and lower amounts of pollen deposited up to 100 km away. These values of pollen concentration and deposition lay within the range of published field studies. Overall, it is shown that mesoscale atmospheric models are applicable to simulate pollen dispersal on the landscape level.

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Atmospheric input of lead into the German Bight - a high resolution measurement and model case study

Cited by 12 publications

References 11 publications

Online coupled regional meteorology chemistry models in Europe: current status and prospects

Online coupled regional meteorology chemistry models in Europe: current status and prospects

Relevance of sub-grid-scale land-use effects for mesoscale models

Modeling of oak pollen dispersal on the landscape level with a mesoscale atmospheric model

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