AUTHOR=Machín Francisco , Gomez-Valdes José TITLE=Editorial: Physical oceanography processes at eastern boundary upwelling systems JOURNAL=Frontiers in Marine Science VOLUME=10 YEAR=2023 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2023.1337334 DOI=10.3389/fmars.2023.1337334 ISSN=2296-7745