Changes in minimum and maximum temperatures at the Pic du Midi in relation with humidity and cloudiness, 1882–1984

Dessens, Jean; Bücher, A.

doi:10.1016/0169-8095(94)00075-o

Cited by 70 publications

(46 citation statements)

References 4 publications

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“…Ainsi, pour quatre stations des Alpes françaises, Rolland et al [59] montrent une dérive positive des températures minimales, spécialement en juillet, parallèlement à une diminution des températures maximales d'avril à juin pour la période 1946-1993. À l'observatoire pyrénéen du Pic du Midi (2862 m), les dé-rives de la T min , T max et T moy ont été estimées respectivement à +2,39 o C, -0,5 o C et +0,94 o C pour la période 1882-1984 [23,24].…”

Section: Introductionunclassified

Une analyse des changements climatiques r�gionaux en France entre 1956 et 1997. R�flexions en terme de cons�quences pour les �cosyst�mes forestiers

Lebourgeois¹,

Granier²,

Bréda³

2001

Ann. For. Sci.

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Section: Introductionunclassified

Une analyse des changements climatiques r�gionaux en France entre 1956 et 1997. R�flexions en terme de cons�quences pour les �cosyst�mes forestiers

Lebourgeois¹,

Granier²,

Bréda³

2001

Ann. For. Sci.

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“…Anyway, in some European areas this negative trend is not as evident as on the global scale and some areas actually show an increase in diurnal temperature range (Beniston et al, 1994;Dessens and Bücher, 1995;Brazdil et al, 1996). Also Klein Tank and Können (2003) showed that for the period 1946-1999 there was a decreasing trend in mean diurnal temperature range (−0.04°C/decade), and the last few decades , highlighted a positive trend (+0.03°C) in mean diurnal temperature range.…”

Section: Introductionmentioning

confidence: 99%

Recent trends in Tuscany (Italy) summer temperature and indices of extremes

Bartolini

Morabito

Crisci

et al. 2008

Intl Journal of Climatology

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ABSTRACT:In the past few decades, many studies showed a significant worldwide warming, and consequently, changes in frequency and persistence of extreme high-temperature events were observed. In order to analyse summer Tuscany (Italy) patterns of climate change during the period 1955-2004, indices of temperature and of extreme events were investigated for evidence of trend and change in inter-annual variability by using data of 40 weather stations. Least square regression analysis and Theil-Sen nonparametric regression were applied for evidence of trends. The Mann-Kendall test was applied to each time series to look for statistically significant trends.The results showed a general increase in minimum and maximum temperatures and extreme temperature events. Maximum temperature increase (+0.44°C/decade) was slightly greater than minimum temperature (+0.38°C/decade) and consequently, an increase in summer daily temperature range (DTR) was noted (+0.06°C/decade).Inter-annual summer climate variability showed an increasing trend in the whole region, especially in regard to extreme event occurrences while a small decreasing trend concerning diurnal temperature range was observed.

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“…Cyprus has an intense Mediterranean climate with the typical seasonal rhythm marked by hot dry summers from June to September and rainy changeable winters from November to March, separated by short autumn and spring seasons of rapid change in Ramanathan et al, 1989;Plantico et al, 1990;Dessens and Bucher, 1995;Hansen et al, 1995;Hansen et al, 1997;Rebetez and Beniston, 1998 a Possible slight increase in minimum temperature due to increased water vapor. b Possible infra-red absorption by particles will increase minimum temperature.…”

Section: Introductionmentioning

confidence: 99%

“…the diurnal temperature range would decrease Hansen et al, 1995;Hansen et al, 1997 . Observations show that in regions where long term cloud cover data are available, the Ž decreasing diurnal cycle is positively correlated to increasing cloud cover Plantico et . al., 1990;Dessens and Bucher, 1995;Karl et al, 1995;Rebetez and Beniston, 1998 . Ž There also appears to be a general increase of cloudiness on a global scale Henderson-.…”

Section: Introductionmentioning

confidence: 99%

Long term changes in diurnal temperature range in Cyprus

Price

Michaelides²,

Pashiardis³

et al. 1999

Atmospheric Research

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Long term temperature data from two stations on the island of Cyprus have been analysed. Increasing trends of approximately 18Cr100 years in the annual mean temperatures are found at both stations. However, the minimum daily temperatures have generally increased at a larger rate than the maximum daily temperatures, resulting in a decrease in the long-term diurnal temperature range. This decrease ranges from y0.58Cr100 years to y3.58Cr100 years, depending on the location. The reduction in the diurnal temperature range is consistent with observations from other parts of the globe, and may indicate that the climate in this region of the globe is part of a larger global climate change that has been occurring over the last century. It is possible that long term changes in greenhouse gas concentrations in the atmosphere are responsible for the long-term annual mean temperature increase. Furthermore, the changes in the diurnal temperature range can possibly be explained by increases in cloud cover andror tropospheric aerosols. It is possible that part of these changes is caused by local land-use changes, primarily by the increasing urbanization of Cyprus. q

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Changes in minimum and maximum temperatures at the Pic du Midi in relation with humidity and cloudiness, 1882–1984

Cited by 70 publications

References 4 publications

Une analyse des changements climatiques r�gionaux en France entre 1956 et 1997. R�flexions en terme de cons�quences pour les �cosyst�mes forestiers

Une analyse des changements climatiques r�gionaux en France entre 1956 et 1997. R�flexions en terme de cons�quences pour les �cosyst�mes forestiers

Recent trends in Tuscany (Italy) summer temperature and indices of extremes

Long term changes in diurnal temperature range in Cyprus

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