Monthly air temperature trends in Switzerland 1901–2000 and 1975–2004

Rebetez, Martine; Reinhard, Michael

doi:10.1007/s00704-007-0296-2

Cited by 226 publications

(192 citation statements)

References 30 publications

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“…It is of around 0.1°C per decade and is similar to that for Europe as a whole (Rebetez and Reinhard 2007;Dobrovolný et al 2009;Leijonhufvud et al 2010;Mikkonen et al 2015;Niedźwiedź et al 2015). In terms of seasons, the greatest increases in temperature were in spring and winter, being 0.12 and 0.11°C/10 years, respectively (Table 6 and Fig.…”

Section: Long-term Coursesupporting

confidence: 76%

Air temperature changes in Toruń (central Poland) from 1871 to 2010

Pospieszyńska

Przybylak

2018

Theor Appl Climatol

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The article presents a detailed analysis of changes in air temperature in Toruń in the period 1871-2010 on the basis of homogenised monthly, seasonal and annual air temperature series which have been newly constructed (i.e. extended by the 50 years of . Over the 140-year study period, a sizeable and statistically significant increase of 0.1°C per decade was found in the air temperature in Toruń. The greatest increases occurred for spring and winter, at 0.12 and 0.11°C, respectively. A lesser warming, meanwhile, was recorded for autumn (0.10°C/10 years), and particularly for summer (0.07°C/10 years). The air temperature trends are statistically significant for all seasons. Air temperature differences between the monthly averages of three analysed subperiods (1871-1900, 1901-1950 and 1951-2010) and averages for the entire period under review rarely exceeded ± 0.5°C. In all of these periods, the highest average air temperatures occurred in July and the lowest in January. The period of 1981-2010 had the highest frequency of occurrence of very and extremely warm seasons and years. Meanwhile, the highest frequency of very and extremely cool seasons and years was recorded in the 1940s and in the nineteenth century. In the period of 1871-2010, winters shortened markedly (by 7%) and summers lengthened by 3.8%. All of the presented aspects of air temperature in Toruń, which is representative of the climate of central Poland, are in close agreement with the findings of analogous studies of the same for other areas of Poland and Central Europe.

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Section: Long-term Coursesupporting

confidence: 76%

Air temperature changes in Toruń (central Poland) from 1871 to 2010

Pospieszyńska

Przybylak

2018

Theor Appl Climatol

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“…This topic is particularly salient, because the increase in mean annual air temperatures is most affected by the temperature of winter months (Hess 1974;Trepińska 1976;Wibig and Głowicki 2002;Piotrowicz 2006;Rebetez and Reinhard 2008;Kliegrová et al 2009). The progressive warming results in shorter winters and earlier spring thaws (Bednorz 2004;Migała et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Winter severity and snowiness and their multiannual variability in the Karkonosze Mountains and Jizera Mountains

Urban

Richterová

Kliegrová

et al. 2017

Theor Appl Climatol

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This paper analyses winter severity and snow conditions in the Karkonosze Mountains and Jizera Mountains and examines their long-term trends. The analysis used modified comprehensive winter snowiness (WSW) and winter severity (WOW) indices as defined by Paczos (1982). An attempt was also made to determine the relationship between the WSW and WOW indices. Measurement data were obtained from eight stations operated by the Institute of Meteorology and Water Management -National Research Institute (IMGW-PIB), from eight stations operated by the Czech Hydrological and Meteorological Institute (CHMI) and also from the Meteorological Observatory of the University of Wrocław (UWr) on Mount Szrenica. Essentially, the study covered the period from 1961 to 2015. In some cases, however, the period analysed was shorter due to the limited availability of data, which was conditioned, inter alia, by the period of operation of the station in question, and its type.Viewed on a macroscale, snow conditions in the Karkonosze Mountains and Jizera Mountains (in similar altitude zones) are clearly more favourable on southern slopes than on northern ones. In the study area, negative trends have been observed with respect to both the WSW and WOW indices-winters have become less snowy and warmer. The correlation between the WOW and WSW indices is positive. At stations with northern macroexposure, WOW and WSW show greater correlation than at ones with southern macroexposure. This relationship is the weakest for stations that are situated in the upper ranges (Mount Śnieżka and Mount Szrenica).

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“…Hansen et al 2006). In particular, a strong increase in the mean temperature of about ?1.7°C was recorded in Switzerland for the 30-year period 1975(Rebetez and Reinhard 2008, potentially inducing strong impacts on high-altitude ecosystems. Glacier retreat and disintegration (Paul et al 2004), permafrost degradation and correlated rockfalls (Haeberli and Gruber 2009) and changes in snow-cover duration (Hantel and Hirtl-Wielke 2007) are only a few examples of the marked effects of temperature changes on glacial and periglacial environments.…”

Section: Introductionmentioning

confidence: 99%

Climate Warming and the Recent Treeline Shift in the European Alps: The Role of Geomorphological Factors in High-Altitude Sites

Leonelli

Pelfini

Cella

et al. 2010

AMBIO

115

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Global warming and the stronger regional temperature trends recently recorded over the European Alps have triggered several biological and physical dynamics in high-altitude environments. We defined the present treeline altitude in three valleys of a region in the western Italian Alps and reconstructed the past treeline position for the last three centuries in a nearly undisturbed site by means of a dendrochronological approach. We found that the treeline altitude in this region is mainly controlled by human impacts and geomorphological factors. The reconstruction of the altitudinal dynamics at the study site reveals that the treeline shifted upwards of 115 m over the period 1901-2000, reaching the altitude of 2505 m in 2000 and 2515 m in 2008. The recent treeline shift and the acceleration of tree colonization rates in the alpine belt can be mainly ascribed to the climatic input. However, we point out the increasing role of geomorphological factors in controlling the future treeline position and colonization patterns in high mountains.

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Monthly air temperature trends in Switzerland 1901–2000 and 1975–2004

Cited by 226 publications

References 30 publications

Air temperature changes in Toruń (central Poland) from 1871 to 2010

Air temperature changes in Toruń (central Poland) from 1871 to 2010

Winter severity and snowiness and their multiannual variability in the Karkonosze Mountains and Jizera Mountains

Climate Warming and the Recent Treeline Shift in the European Alps: The Role of Geomorphological Factors in High-Altitude Sites

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