AUTHOR=Aydogdu Ali , Escudier Romain , Hernandez-Lasheras Jaime , Amadio Carolina , Pistoia Jenny , Zarokanellos Nikolaos D. , Cossarini Gianpiero , Remy Elisabeth , Mourre Baptiste TITLE=Glider observations in the Western Mediterranean Sea: their assimilation and impact assessment using four analysis and forecasting systems JOURNAL=Frontiers in Marine Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1456463 DOI=10.3389/fmars.2025.1456463 ISSN=2296-7745