AUTHOR=Lo Bue Nadia , Artale Vincenzo , Schroeder Katrin TITLE=Editorial: Impact of Deep Oceanic Processes on Circulation and Climate Variability: Examples From the Mediterranean Sea and the Global Ocean JOURNAL=Frontiers in Marine Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2021.801479 DOI=10.3389/fmars.2021.801479 ISSN=2296-7745