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\newcommand{\degW}{\degree$\!$W~}
\newcommand{\degS}{\degree$\!$S~}
\newcommand{\degN}{\degree$\!$N~}
\newcommand{\degC}{\degree$\!$C~}
\newcommand{\CHLunits}{~[mg~m$^{-3}$]}
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\begin{document}
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\begin{center}
\huge {PREBIOSWOT cruise}
\\ \vspace{0.3cm} \Huge {\bf SPASSO Images Analysis}
\\ \vspace{0.3cm} \Large \ddmmyyyydate\today ~ \currenttime {\large~UTC}
\\ \vspace{0.3cm} Author(s): A. Petrenko,  S. Barrillon, L. Rousselet, A.Doglioli (on board) \\% and F. d'Ovidio
\vspace{0.5cm}
\noindent\makebox[\linewidth]{\rule{\textwidth}{2pt}}
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{\bf Executive Summary}\\%.\\
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\noindent The BB has sampled the distorted anticyclonic mesoscale structure, present southeast of Ibiza since April, 27, following the CDE path. The DE transect has probably encountered rather large eastward currents, when crossing the northern front of the structure.\\

\noindent The intercalibration GdC - BB is planned for today.\\

\noindent The Chl figures are cloudy.\\

\noindent Enjoy the end of the cruise. And see you soon on land !

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\noindent\makebox[\linewidth]{\rule{\textwidth}{2pt}}
%\vspace{1cm}
\begin{center}
%\includegraphics[scale=0.25]{figures/map_OW_20180513_z.png}\\
\includegraphics[scale=0.3]{figures/map_FSLE_20180514_z.png}\\
%\includegraphics[scale=0.75]{figures/d-OC_CNR-L3-CHL-MedOC4AD4_MULTI_1KM-MED-NRT-v02.png}\\
%\includegraphics[scale=0.75]{figures/nrt_med_allsat_phy_l4.png}\\
%\includegraphics[scale=0.75]{figures/AVISO_vel.png}\\
%\includegraphics[scale=0.8]{figures/FSLE.png}\\
%\includegraphics[scale=0.75]{figures/OW_param.png}\\
%\includegraphics[scale=0.65]{figures/Lat_adv.png}\\
%\includegraphics[scale=0.65]{figures/Lon_adv.png}\\
%\includegraphics[scale=0.75]{figures/nrt_temperature_swmed.png}\\
%\includegraphics[scale=0.75]{figures/nrt_color_swmed.png}\\
%\includegraphics[scale=0.75] {figures/d-OC_CNR-L3-CHL-MedOC4AD4_MULTI_1KM-MED-NRT-v02.png}\\
%\includegraphics[scale=0.35]{figures/map_CHL_nrt_color_swmed_20180507_20180509_z.png}
\includegraphics[scale=0.3]{figures/map_AVISO_20180514_z.png}\\
%\vspace{0.5cm}
\end{center}

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\section{Ongoing operations and upcoming stations}

The intercalibration GdC - BB is planned for today.

%Yesterday some problems with the seasor have been observed, the seasor has been successfully replaced by the rapid cast and then by the other seasor. The buoys have been launched (numbers 53553 53567, 53605, and 53565) and are moving coherently with the ADCP and altimetry measurements. 
%The BB is moving around on a 8h hippodrome. 
%The cytometer results show some contrasts in the species distributions for the A-C hippodrome, although less important than the A-B contrasts. As there no buoys to drive the hippodrome trajectory, the same trajectory is repeated between A and C.\\


\section{Daily figures analysis}

\subsection{Altimetry, derived currents and Lagrangian analysis}

\begin{center}
\includegraphics[scale=0.55]{figures/nrt_med_allsat_phy_l4.png}\\
\includegraphics[scale=0.35]{figures/map_AVISO_20180514_z.png}\\
\end{center}

Around E, there are northeast currents.


\begin{center}
\includegraphics[scale=0.65]{figures/AVISO_vel.png}\\
\vspace{0.5cm}
\end{center}

The area has low energy. Around E, the energy is slightly higher.

\newpage
\begin{center}
\includegraphics[scale=0.65]{figures/FSLE.png}\\
\includegraphics[scale=0.35]{figures/map_FSLE_20180514_z.png}\\
\vspace{0.5cm}
\end{center}

There should not be any FSLE structure in the area of E. Nonetheless, there is uncertainty on the extent of the coast shadows.


\begin{center}
\includegraphics[scale=0.65]{figures/OW_param.png}\\
\includegraphics[scale=0.35]{figures/map_OW_20180514_z.png}\\

\vspace{0.5cm}
\end{center}

In this OW plot, E is on the eastern side of a distorted structure, which is not visible in the AVISO and FSLE plots.\\ %From Franck's information, according to the blue box, it is not possible to cross this structure entirely. Indeed, it is important to cross it at least until its center, which seems to be the case. \\


\newpage
\begin{center}
\includegraphics[scale=0.65]{figures/Lat_adv.png}\\
\vspace{0.5cm}
\end{center}

\begin{center}
\includegraphics[scale=0.65]{figures/Lon_adv.png}\\
\vspace{0.5cm}
\end{center}

\noindent The Lat\_adv and Lon\_adv images agree with the FSLE structures. \\
Note: the distorted mesoscale structure southeast of Ibiza is anticyclonic (and not cyclonic as  mentioned in yesterday's bulletin).

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\subsection{SST analysis}
\begin{center}
\includegraphics[scale=0.48]{figures/nrt_temperature_swmed.png}\\
\includegraphics[scale=0.35]{figures/map_SST_nrt_temperature_swmed_20180511_20180513_z.png}\\
\includegraphics[scale=0.48]{figures/GOS-L4_GHRSST-SSTfnd-OISST_UHR_NRT-MED-v02_0-fv_mat.png}\\

\end{center} 

The SST figure is cloudy in the E area.
\newpage
%The scale has been changed to [14;18]\degree to adjust to the current warming of the area.
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\subsection{Chlorophyll analysis}
\begin{center}
\includegraphics[scale=0.65]{figures/nrt_color_swmed.png}\\
\includegraphics[scale=0.35]{figures/map_CHL_nrt_color_swmed_20180511_20180513_z.png}\\
\vspace{0.5cm}
\end{center}


%\begin{center}
%\includegraphics[scale=0.65]
%{figures/d-OC_CNR-L3-CHL-MedOC4AD4_MULTI_1KM-MED-NRT_mat.png}\\
%\vspace{0.5cm}
%\end{center}

% \begin{center}
% \includegraphics[scale=0.65]
% {figures/d-ACRI-L3-CHL-GSM_MULTI_4KM-GLO-NRT_mat.png}\\
% \vspace{0.5cm}
% \end{center}


\noindent Time to come back: the Chl figures are all cloudy in the area of interest !

%\begin{center}
%\includegraphics[scale=0.65]{figures/nrt_color_swmed_20180502_20180504.png}\\
%\includegraphics[scale=0.35]{figures/map_CHL_nrt_color_swmed_20180502_20180504_z.png}
%\vspace{0.5cm}
%\end{center}


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\subsection{Gliders}

The gliders are coming back. The MIO glider is coming back on the same track and should be retrieved on May 15.\\
%The MIO glider sent positions and website are back.
%have not been updated today, but the glider is sending data, maybe a firewall problem again, impossible to solve today as it is a day off.
%See below some nice plots kindly provided by Nagib.

%  \begin{center}
%  \includegraphics[scale=0.45]{figures/sci_all_CTD_temp_scat_l.jpg}\\
%  \includegraphics[scale=0.45]{figures/sci_all_CTD_dens_scat_l.jpg}\\
%  \includegraphics[scale=0.45]{figures/sci_all_CTD_dox_scat_l.jpg}\\
% % \vspace{0.5cm}
%  \end{center}

\subsection{Online analysis}
No updated plots from Andrea and Gerald today.

%changes of species distributions for the A-C hippodrome, which seem to correspond to the crossing of the Chl front mentioned above. The last plot show the ADCP currents and the salinity. The salinity also seems to follow the Chl front.

% \begin{figure}[h]
% \begin{center}
% \subfigure[]{\includegraphics[scale=0.38]
% {figures/map_CYTO_FSLE_Nano_ABD_intake_SCATTER.png}}
% \subfigure[]{ \includegraphics[scale=0.38]
% {figures/map_CYTO_FSLE_Pico_ABD_intake_SCATTER.png}}\\
% \subfigure[]{ \includegraphics[scale=0.38]{figures/map_CYTO_FSLE_Synecho_ABD_intake_SCATTER.png}}
% \subfigure[]{\includegraphics[scale=0.38]{figures/map_TSG_ADCP_FSLE_SSS_SB21cuve_09-May_11-May_INTERP.png}}\\
% \end{center}
% \end{figure}

%\includegraphics[scale=0.38]{figures/prelresults_120518_1.jpg}\\
%\includegraphics[scale=0.38]{figures/prelresults_120518_2.jpg}\\
%\includegraphics[scale=0.38]{figures/prelresults_120518_3.jpg}


\clearpage
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\begin{center}
.\\
 {\bf Acknowledgements}\\
 \end{center}
The altimetry data are the AVISO Mediterranean regional product:\\ http://www.aviso.altimetry.fr/index.php?id=1275.\\ The derived currents are processed by SPASSO to derive Eulerian and Lagrangian diagnostics of ocean circulation: Okubo$\-$Weiss parameter, particle retention time and advection, Lagrangian Coherent Structures.
CLS provided the SST and surface CHL concentration composite products. 
Sea surface temperature (level 3 and 4, 1 km resolution) and chlorophyll concentration (level 3, 1km resolution, MODIS$\-$Aqua and NPP$\-$VIIRS sensors combined (after May 27, 2017) into a new product called MULTI) have been provided by CMEMS$\-$ Copernicus Marine Environment Monitoring Service (http://marine.copernicus.eu).
Another SST product (level 4, composite, 1 km resolution) is provided by the Jet Propulsion Laboratory (JPL), Pasadena, CA.

% %MyOcean­L3/daily­NRT­1x1km data for the study area from 2013 to 2015 were analyzed.

% % AVISO, CMEMS, JPL (cruise report oscahr)
% %C.Yohia, D.Mallarino and M.Libes (Informatic Service of OSU Pytheas, Marseille, France) for their support in managing the SPASSO software package and the associated web sites; N.Martin (LOCEAN, Paris, France) for his precious help in treatment of the Lagrangian drifters data; C.Maes (LPO, Brest, France) and F.d'Ovidio (LOCEAN, Paris, France) for their useful suggestions.\\

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{\huge 
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PREBIOSWOT project webpages\\
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(\`a d\'efinir)\\
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SPASSO PREBIOSWOT webpages}\\
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http://www.mio.univ-amu.fr/SPASSO/PREBIOSWOT/

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