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Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 CALENTAMIENTO Y AUMENTO DE SALINIDAD EN EL MEDITERRÁNEO OCCIDENTAL DURANTE LA SEGUNDA.

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Presentation on theme: "Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 CALENTAMIENTO Y AUMENTO DE SALINIDAD EN EL MEDITERRÁNEO OCCIDENTAL DURANTE LA SEGUNDA."— Presentation transcript:

1 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 CALENTAMIENTO Y AUMENTO DE SALINIDAD EN EL MEDITERRÁNEO OCCIDENTAL DURANTE LA SEGUNDA MITAD DEL SIGLO XX Manuel Vargas-Yáñez, P. Zunino, F. Moya, M.C. García-Martínez y E. Tel

2 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 LIW WMDW AW

3 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 January/1950February/1950

4 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009  Not sampled or interpolated areas are considered as a “zero anomaly”  The mean anomaly for sampled areas is associated to non sampled areas

5 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009

6 TT

7  Interpolation techniques, radius of influence  Spatial gaps  The methods for data averaging  Instrumental biases

8 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009

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14  Upper layer: 0 – 200 dbar

15 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009  Upper layer: 0 – 200 dbar  Intermediate layer: dbar

16 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009  Upper layer: 0 – 200 dbar  Intermediate layer: dbar  Deep layer: 600 dbar – bottom

17 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009  Upper layer: 0 – 200 dbar  Intermediate layer: dbar  Deep layer: 600 dbar – bottom  WMED 0.29  0.19 W/m 2

18 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009  Long term trends in the WMED are not substantially altered by XBT biases  Averaging methods seem to influence the significance of the results  The most robust results concerning isobaric layers are: Deep waters warming and salinification, and salinity increase of intermediate waters.  The main problem for detecting in a robust way long term changes is the scarcity of data

19 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 RADMED project. IEO

20 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 THANKS FOR YOUR ATTENTION ! VISIT OUR WEB:

21 Warming and salting in the WMED CLIVAR-ES, Madrid, February  0.14 W/m 2 Algerian basin (1)

22 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 Algerian basin (2)

23 Warming and salting in the WMED CLIVAR-ES, Madrid, February 2009 Gulf of Lions 0.15  0.14 W/m 2


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