Search results for "Hot days"

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Trends of mean temperatures and warm extremes in northern tropical Africa (1961-2014) from observed and PPCA-reconstructed time series

2016

Trends in daily maximum (TX) and minimum (TN) temperatures and indices of warm extremes are studied in tropical North Africa, west of the eastern African highlands, from 1961 to 2014. The analysis is based on the concatenation and cross-checking of two observed databases. Due to the large number of missing entries (~25%), a statistical infilling using probabilistic principal component analysis was applied. Averaged over 90 stations, the linear trends of annual mean TX and TN equal respectively +0.021 °C/yr and +0.028 °C/yr. The frequency of very hot days (TX > 35°C) and tropical nights (TN > 20°C), as well as the frequency of daily TX and TN above the 90th percentile (p90) (“warm days” and …

Atmospheric ScienceSeries (stratigraphy)Percentile010504 meteorology & atmospheric sciencesProbabilistic principal component analysisGlobal warmingNorth africaTropical AtlanticHot days010502 geochemistry & geophysics01 natural sciencesGeophysicsEl Niño Southern Oscillation13. Climate actionSpace and Planetary ScienceClimatologyEarth and Planetary Sciences (miscellaneous)Environmental science0105 earth and related environmental sciencesJournal of Geophysical Research: Atmospheres

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