Temperature trends in Malta (central Mediterranean) from 1951 to 2010

Galdies, Charles

doi:10.1007/s00703-012-0187-7

Cited by 24 publications

(21 citation statements)

References 8 publications

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“…Warming in T min during winter and spring was slightly higher than in autumn. For instance, our findings indicate that the annual mean temperature has increased at a rate of 1.3 • C over the whole period, which is comparable to the 1.1 • C trend observed for Mediterranean countries, Galdies, [14]; Del Rio et al [11]; El Kenawy et al [17]. Similarly, the study domain experienced an uptrend of 1.6 • C in T max between 1950 and 2011, which is also analogous to the finding by Galdies, [14] in Malta.…”

Section: Temperature Long-term Trends (1950-2011)supporting

confidence: 83%

“…In order to deseasonalize the temporal temperature series and to obtain averaged series, monthly anomalies were evaluated. Anomalies provide an accurate description of climate variability and allow for data comparisons from different climatological areas, as suggested by Galdies [14]. Anomalies of various meteorological variables are known to be more representative than absolute values, which is why temperature anomaly evolution was plotted as a function of time.…”

Section: Method: Temperature Anomalies and Data Homogeneity Testingmentioning

confidence: 99%

“…He also observed that the rate of change in the T mean was 0.019 • C decade −1 between 1951 and 2010. Galdies [14] recently reported a warming trend of 0.22 and 0.18 • C decade −1 in the T max and T min , respectively for the Maltese Islands.…”

Section: Introductionmentioning

confidence: 99%

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Temporal and Spatial Variability in Surface Air Temperature and Diurnal Temperature Range in Spain over the Period 1950–2011

Bilbao

Román

Miguel

2019

Climate

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Maximum (Tmax), minimum (Tmin), mean (Tmean) air temperature and diurnal temperature range (DTR) trends on a seasonal and annual time scale are evaluated from data recorded at nine Spanish weather stations during the period 1950–2011. Temporal and spatial variability in temperatures and in the diurnal temperature range (DTR) are presented. The non-parametric Theil-Sen approach and the Mann-Kendall test are used to evaluate anomaly temperature trends and their statistical significance, respectively. An air temperature reduction in Spain between 1950 and 1980 emerges and significant warming is observed between 1980 and 2011. On a seasonal scale, the weakest trends (mostly insignificant at the 5% confidence level) are noted during autumn, while the strongest warming rates were found during summer and spring. The rate of change between 1950 and 2011 in Tmax, Tmin and Tmean was 1.6 °C, 1.1 °C and 1.3 °C, respectively. DTR trends showed a decrease on the Mediterranean coast and a small change in northern, Atlantic and rural areas. The spatial distribution of annual and seasonal trends was plotted as isoline maps and strong trend gradients from the south to the north of the country are observed. DTR values were negatively correlated with relative humidity and precipitation and positively correlated with sunshine hours.

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Section: Temperature Long-term Trends (1950-2011)supporting

confidence: 83%

Section: Method: Temperature Anomalies and Data Homogeneity Testingmentioning

confidence: 99%

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Temporal and Spatial Variability in Surface Air Temperature and Diurnal Temperature Range in Spain over the Period 1950–2011

Bilbao

Román

Miguel

2019

Climate

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“…Using Mann-Kendall (MK), Sen's slope, and sequential MK methods to detect trends in air temperature in Romania, Croitoru et al (2012) showed most of the country to have experienced a positive increase in temperature. Monthly mean temperature in Malta rose by an average of 1.1°C between 1951 and 2010, with the largest changes occurring during the months of June, August, and October (Galdies 2012). While mean temperatures across India rose by 0.24°C per decade between 1971 and 2009 (Bapuji Rao et al 2014), in contrast, at certain locations in the country (e.g., Pune), mean temperature declined significantly between 1901 and 2000 (Gadgil and Dhorde 2005).…”

Section: Introductionmentioning

confidence: 92%

Detection of trends in days with extreme temperatures in Iran from 1961 to 2010

Araghi

Baygi

Adamowski

2015

Theor Appl Climatol

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Human health and comfort, crop productivity, water resource availability, as well as other critical hydrological, climatological, and ecological parameters are heavily influenced by trends in daily temperature maxima and minima (T dmax , T dmin , respectively). Using Mann-Kendall and sequential Mann-Kendall tests, trends in the number of days when T dmax ≥30°C or T dmin ≤0°C, over the period of 1961 to 2010, were examined for 30 synoptic meteorological stations in Iran. For 67 % of stations, days when T dmin ≤0°C showed a significant negative trend, while only 40 % of stations showed a significant positive trend in days when T dmax ≥ 30°C. The upward trend in T dmax became significant between 1967 and 1975, according to the station, while the downward trend in T dmin became significant between 1962 and 1974 for the same stations. Changes in precipitation type across most parts of the country show a high correlation with these temperature trends, especially with the negative trend in T dmin . This suggests that future climatological and hydrological alterations within the country, along with ensuing climatic issues (e.g., change in precipitation, drought, etc.) will require a great deal more attention.

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“…Heat wave historical records for Pakistan presented by Zahid and Rasul [21] reported previous events and expected higher intensity heat waves for Sindh and Balochistan. Heat waves have been reported for being responsible for alteration in temperature trends in the Mediterranean region, according to Galdies [41]. Another logical reason for increasing temperature was highlighted by Ambreen et al [42] as annual Extraterrestrial Solar Radiation (ESR) reduced from south to north in Pakistan; the coastal areas received the maximum amount of ESR that ranged from 11,865-12,326 Mega joule (MJ/m 2 ) while Balochistan Plateau and northern parts of the lower Indus plain received the second highest ERS that ranged from 11,505 to 11,864 (MJ/m 2 ).…”

Section: Resultsmentioning

confidence: 99%

Contemporary Temperature Fluctuation in Urban Areas of Pakistan

Anjum

Tanoli

et al. 2017

Atmosphere

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Annual temperature data from thirty meteorological stations in Pakistan's major urban areas were selected to investigate trends in annual average and maximum temperature during . A combination of parametric and non-parametric tests including linear regression, the Mann-Kendall trend test and Sen's slope estimator was used for the analysis. Annual average and maximum temperature series showed an overall increasing trend for 90% of the stations and a decreasing trend for 10% of the stations in the study area. The highest significant increment of annual average temperature was observed at Gilgit, Hyderabad, Quetta and Lasbela stations at the rate of 0.49 • C per decade. The highest increment of annual maximum temperature was obtained at Chitral, Gilgit, Nawabshah and Quetta at the rate of 0.31 • C per decade. According to simple linear regression and the Mann-Kendall test, the annual average temperature showed a significant increasing trend for 43% of the stations (at a 0.001 level of significance) and 23% of the stations (at the 0.05 level). Annual maximum temperature showed a significant increasing trend for 26% of the stations (at the 0.001 level of significance) and 23% of the stations (at the 0.05 level). In general, the results showed increasing trends for the considered parameters, although annual average temperature showed a higher increasing rate than annual maximum temperature during the study period.

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Temperature trends in Malta (central Mediterranean) from 1951 to 2010

Cited by 24 publications

References 8 publications

Temporal and Spatial Variability in Surface Air Temperature and Diurnal Temperature Range in Spain over the Period 1950–2011

Temporal and Spatial Variability in Surface Air Temperature and Diurnal Temperature Range in Spain over the Period 1950–2011

Detection of trends in days with extreme temperatures in Iran from 1961 to 2010

Contemporary Temperature Fluctuation in Urban Areas of Pakistan

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