Analysis of regional climate model simulations for Central Europe as a potential tool to assess weather-related air quality conditions

IF 0.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES International Journal of Environment and Pollution Pub Date : 2019-01-01 DOI:10.1504/ijep.2019.10026239
I. Pieczka, R. Pongrácz, C. Németh, Tímea Kalmár
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引用次数: 1

Abstract

Potentially adverse air quality is discussed via its relation to wind conditions and boundary layer thickness. The main goal of the study is to evaluate different RegCM simulations for 1981–1990, driven by either reanalysis data or global climate model output. Wind speed, temperature, planetary boundary layer (PBL) height and the Holst stagnation index are analysed and compared to the reference data. Wind is overestimated throughout the year. Temperature is overestimated in the plain areas, whereas underestimated in the mountains. The PBL height is generally overestimated and substantial differences are identified between the RegCM4.5 and RegCM4.3 simulations. Consequently, these result in substantial underestimations of the Holst stagnation index and of the frequency of potentially adverse air quality, although the annual cycles are reproduced well. In order to prepare reliable projections, the testing of different model setups must be continued, especially changing the Holtslag scheme to a different PBL parameterisation scheme.
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分析中欧区域气候模式模拟,作为评估与天气有关的空气质量状况的潜在工具
通过与风况和边界层厚度的关系讨论了潜在的不利空气质量。本研究的主要目标是评估1981-1990年不同的RegCM模拟,这些模拟是由再分析数据或全球气候模式输出驱动的。分析了风速、温度、行星边界层高度和霍尔斯特滞止指数,并与参考资料进行了比较。全年的风力都被高估了。平原地区的温度被高估了,而山区的温度被低估了。PBL高度通常被高估,RegCM4.5和RegCM4.3模拟之间存在实质性差异。因此,这些结果大大低估了霍尔斯特停滞指数和潜在不利空气质量的频率,尽管年周期可以很好地再现。为了准备可靠的预测,必须继续测试不同的模型设置,特别是将Holtslag方案更改为不同的PBL参数化方案。
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来源期刊
CiteScore
1.10
自引率
0.00%
发文量
3
审稿时长
4.5 months
期刊介绍: IJEP provides an international forum in the field of environment and pollution and addresses early and medium-term challenges involving scientific prediction, modelling and assessment. It focuses on ground-breaking research in the science of environmental pollution, at the early scientific stage. It is one of three key journals which together offer complete coverage of environmental issues: IJETM focuses on technical/engineering, policy and management solutions for environmental problems, and IJGEnvI focuses on future, longer-term environmental scenarios, ecological economics, climate change and biodiversity.
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