Decadal trends (2009–2018) in Saharan dust transport at Mt. Martano EMEP station, Italy

Petroselli, Chiara; Crocchianti, Stefano; Vecchiocattivi, Marco; Moroni, Beatrice; Selvaggi, Roberta; Castellini, Silvia; Corbucci, Ilaria; Bruschi, Federica; Marchetti, Eleonora; Galletti, Mara; Angelucci, Monica; Cappelletti, David

doi:10.1016/j.atmosres.2024.107364

Atmospheric Research

2024

DOI: 10.1016/j.atmosres.2024.107364

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Decadal trends (2009–2018) in Saharan dust transport at Mt. Martano EMEP station, Italy

Chiara Petroselli,

Stefano Crocchianti,

Marco Vecchiocattivi

et al.

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The correlation of long‐range Saharan dust advections with the precipitation and radiative budget in the Central Mediterranean

Silvestri,

Petroselli,

Saraceni

et al. 2024

Intl Journal of Climatology

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This work analyses 10 years (from 2009 to 2018) of long‐range Saharan dust advections (SDAs) and their correlation with the precipitation and radiative budget over the Central Mediterranean region. The identification of the SDAs is based on back‐trajectories (BTs) of air mass and complementary measurements of the dust deposited at the site of Monte Martano in Central Italy. The associated synoptic circulation weather types (CWT), precipitation and radiation variables have been estimated by using ERA5 and CAMS reanalysis, satellite data and raingauge observations. It is found that the 50% of all SDAs occur under a CWT characterized by an upper level trough over the Western Mediterranean and a high‐pressure system over the Eastern Mediterranean. Strong southerly winds, large vertical integral of water vapour transport and a positive anomaly of 2 m temperature are associated with dust uplift and transport. The effect of dust on rainfall intensity puts forward the important modulation of the aerosol effects on the radiative budget with a latitudinal dependence. On dusty days, intense rainfall increases over the northern Central Mediterranean and light rainfall is suppressed in the southern Central Mediterranean, pointing out a relevant correlation between dust and the intensification of extreme events. Other than affecting rainfall intensity, the stronger surface heating over the southern Central Mediterranean, which is correlated to a higher dust optical depth, causes a local maximum of sea surface temperature (SST) and near‐surface temperature anomaly.

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The correlation of long‐range Saharan dust advections with the precipitation and radiative budget in the Central Mediterranean

Silvestri,

Petroselli,

Saraceni

et al. 2024

Intl Journal of Climatology

Self Cite

View full text Add to dashboard Cite

show abstract

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Decadal trends (2009–2018) in Saharan dust transport at Mt. Martano EMEP station, Italy

Cited by 1 publication

References 39 publications

The correlation of long‐range Saharan dust advections with the precipitation and radiative budget in the Central Mediterranean

The correlation of long‐range Saharan dust advections with the precipitation and radiative budget in the Central Mediterranean

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