Scatterometer and ECMWF‐derived wind vorticity over the Mediterranean Basin

This article investigates the spatial and temporal structures of the monthly mean vorticity fields \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm sc}}$ \end{document} and \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm e}}$ \end{document} over the Mediterranean Basin, derived respectively from satellite scatterometers and ECMWF global atmospheric model (T799) wind fields from February 2006 to January 2010. Statistics show a mean difference between \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm sc}}$ \end{document} and \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm e}}$ \end{document} over the whole Mediterranean Sea (relative bias \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\Delta \overline{\omega}}$ \end{document}) of 0.108×10−5 s−1. Furthermore, both the cyclonic and the anticyclonic components of \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm sc}}$ \end{document} are stronger than those of \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm e}}$ \end{document}. The analysis of the spatial features of \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm sc}}$ \end{document} and \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\boldsymbol{\overline{\omega}^{\rm e}}$ \end{document} shows that the greatest discrepancies occur along coasts and in the Adriatic Sea, due to the ability of \documentclass{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{amsfonts}\pagestyle{empty}\begin{document}$\b