Jucundus Jacobeit’s research while affiliated with University of Augsburg and other places

... An alternative to traditional baseline selection techniques that is gaining acceptance is the use of the terrestrial tracer species Radon-222 (radon); either alone Chambers et al., 2016;Giemsa et al., 2017), or in conjunction with back trajectory analysis (e.g. Zahorowski et al., 2013;Chambers et al., 2014;Molloy and Galbally, 2014). ...

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Baseline characterisation of source contributions to daily-integrated PM2.5 observations at Cape Grim using Radon-222

... PDO consists of multidecadal fluctuations (Newman et al. 2016;Wang et al. 2017), with relatively cold conditions of PDO (PDO-) observed in 1910-1925and 1947-1976periods, and relatively warm conditions (PDO+) in 1926-1945and 1977-1998. There exists evidence that PDO modulates teleconnection patterns of ENSO and SAM altering their patterns of rainfall anomalies (Kayano et al. 2019;Wachter et al. 2020). Therefore, the relationship between Rx1 and ENSO or SAM can be non-stationary as a consequence of changes in PDO. ...

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Changes on the summer Rx1-ENSO and Rx1-SAM relations over Northern Argentina driven by PDO phases

... In the Antarctic, Wachter et al. (2021) described the spatio-temporal sea-ice variability and documented significant spatial shifts during 1979-1998 and 1999-2018 by means of 10 clusters based on the seasonal cycle of sea-ice. In the Arctic, Valko (2014) proposed a regionalization based on geographic and geopolitical indicators, ending up with respectively two and three clusters, and Johannessen et al. ...

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Arctic regional changes revealed by clustering of sea-ice observations

... In recent years, several studies have analysed the CO 2 and CH 4 measurements performed at Zugspitze (e.g. Yuan et al., 2018Yuan et al., , 2019Giemsa et al., 2019), also in combination with δ 13 C-CO 2 ratios (e.g. Ghasemifard et al., 2019a, b). ...

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Comparison of atmospheric CO, CO2 and CH4 measurements at the Schneefernerhaus and the mountain ridge at Zugspitze

... Second, potential misclassification is inevitable in our study. Nevertheless, the stroke data used in our study comes from the University Hospital Augsburg, one of Germany's largest stroke centers serving approximately 750,000 residents in the region (Ertl et al., 2019). Consequently, non-differential misclassification could only cause Berkson bias, which may not have much effect on the associations (Zeger et al., 2000;Armstrong, 1998). ...

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Air pollution and stroke: Short-term exposure's varying effects on stroke subtypes

... Early research by Myrup (1969) introduced a numerical model using an energy budget approach to predict UHI intensity, though it required extensive data on physical characteristics of cities. Recent studies by Li et al., 2021, Straub et al., 2019, and Wicki et al., 2018 have conducted detailed analyses of UHI patterns in individual cities, providing valuable insights into local-scale dynamics and mitigation strategies. While these city-specific studies offer detailed understanding of local contects, broader analyses like Peng et al. (2012), which investigated UHI intensity across over 400 global cities, have identified significant associations between UHI intensity and factors such as vegetation cover and nighttime lights. ...

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Modelling urban heat island effects: a global analysis of 216 cities using machine learning techniques

... Similar overestimation tendencies of CMIP6 models were observed in East Africa and contiguous regions of the United States (Srivastava et al. 2020;Akinsanola et al. 2021). Higher resolution models show advantages in simulating extreme precipitation, especially in regions with complex topography (Luo and Guo 2022), where extreme precipitation is closely linked to convection and cloud microphysics (Keupp et al. 2019), complicating attribution of simulation differences among models across different global regions. The CA displayed an increase in ANP amounts across the time periods (near, mid, and far-future) under different SSP scenarios. ...

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Assessing high-resolution precipitation extremes in Central Asia: evaluation and future projections

... Finally, the WRF model simulations were executed for three distinct time periods: the reference period of 2006-2010, representing the present climate conditions, and the periods 2046-2050 and 2096-2100, providing insights into the climate projections for the mid-and late-21st century. For these periods, boundary conditions were obtained from the National Centre for Atmospheric Research (NCAR) and the Community Earth System Model (CESM), as part of the Coupled Model Intercomparison Experiment phase 5 (CMIP5), which has demonstrated robust performance both at the global level [67,68] and specifically in the Mediterranean region [69,70]. The data used have a spatial resolution of 1°and a time step of 6 h. ...

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Future Projections of Heat Waves and Associated Mortality Risk in a Coastal Mediterranean City

... Jones et al., 1993;Buishand and Brandsma, 1997;Stehlík and Bárdossy, 2003;Anagnostopoulou et al., 2004). Laux et al. (2008a) compared the performance of two objective and one semi-objective weather pattern classifications for precipitation simulation in the ME region dependent on the season. They concluded that the applied semi-objective classification, partly based on expert knowledge performs slightly better than the objective ones with no a priori knowledge required. ...

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Comparison and evaluation of statistical downscaling techniques for station‐based precipitation in the Middle East

... However, this time of the day corresponds approximately with the mean daily air temperature, thus increasing the representativeness of the LST values for the analyzed region. As well, the analyzed days with less or no cloud cover, are specific mostly to stable atmospheric conditions that are prone to maximize the thermal differences between LCZs (Beck et al. 2018), which underlines that our results fully capture this maximum possible difference between LCZs. In this way, 2273 Landsat satellite LST images have been used in the current study. ...

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Warm season land surface temperature and its relationship with local climate zones in post-socialist cities