Research Topic

Wet and Dry Periods in Regions Surrounding the Atlantic Ocean Basin

About this Research Topic

The Atlantic Ocean is the second-largest of the world's oceanic divisions. It is bounded by America, Europe and Africa continents, and different climatic characteristics can be observed along its large latitudinal domain, which expands from equatorial towards sub-polar regions. Thus, different tropical and ...

The Atlantic Ocean is the second-largest of the world's oceanic divisions. It is bounded by America, Europe and Africa continents, and different climatic characteristics can be observed along its large latitudinal domain, which expands from equatorial towards sub-polar regions. Thus, different tropical and extra-tropical meteorological systems may have some influence on the characterization of precipitation regimes observed surrounding the basin, such as Inter Tropical Convergence Zone, tropical Monsoon Systems, and atmospheric rivers. Besides of that, it is known that the subtropical domains of the South Atlantic and Azores high pressure centers are large evaporative areas acting as important moisture sources for the adjacent continents. Variations in the oceanic characteristics may influence the moisture transport towards landmasses and alter the distribution of precipitation, generating wet and dry periods with serious socio-economical damages. The influence of climatic variability modes configured not only over the Atlantic Ocean, but in other oceanic regions, such as ENSO or Indian Dipole Mode, may also interact with the regional hydrological budget generating large periods of drought or excessive precipitation over the Atlantic adjacent continents.

We welcome investigators to contribute for a better understanding of the occurrence of wet and dry periods in regions surrounding the Atlantic Basin. Articles that explore not only the precipitation climatic variability in the landmasses surrounding the ocean, but also the physical mechanisms that role the moisture transport from the basin towards the adjacent continents.

Potential topics include, but not limited to:
• Climatology of dry and wet periods in different regions surrounding the Atlantic basin
• Moisture transport from Atlantic Ocean towards adjacent continents
• Variability of precipitation systems, e.g, American and African Monsoon Systems, ITCZ, cyclone development regions
• Role of local atmospheric variability modes, such as NAO, Atlantic Meridional Mode, Atlantic Zonal Mode / Benguela Niño, as well as of remote modes such as ENSO and Indian Ocean Dipole, on the regional precipitation
• Changes in oceanic evaporation and their impact over the continents
• Influence of anomalous SST conditions over the Atlantic on precipitation over surrounding continents
• Atlantic Ocean and Climate Change


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