search DOI 10.17882/72546

ELISA (1997-1998) mesoscale survey in the Algerian sub-basin (Western Mediterranean): hydrological data set of the cruise ELISA-4 (summer 1998)

The Eddies and Leddies Interdisciplinary Study in the Algerian sub-basin (ELISA) experiment (1997–1998) was a multidisciplinary and multiplatform experiment designed to study the anticyclonic Algerian Eddies (AEs) generated by the instability of the Algerian Current, and their influence on the general circulation and biological phenomena. The data collected confirmed for instance the eastward path of LIW along the Algerian slope, and showed that these anticyclones correspond to the richer areas in spring.

Following the daily analysis of satellite thermal images to track the AEs, the sampling scheme was adapted in real time, using transects with CTD casts every ~10km. So that the data are strongly "biased" toward describing (moving) eddies at high resolution: they are likely to be unadequate for a few purposes.

The ELISA hydrological data sets have been obtained during the four cruises ELISA-1 to 4, from summer 1997 to summer 1998.

This data set includes the ELISA-4 cruise (summer 1998) with 90 CTD profiles plus associated water bottles samples. Data sets are delivered in both netcdf and ODV formats.

Keywords

Algerian Current, CTD profile, water masses, Western Mediterranean, Water bottle sample, Atlantic Water (AW), Mesoscale, Chlorophyll, Levantine Intermediate Water (LIW), Eddies, Nutrients, Western Mediterranean Deep Water (WMDW), Hydrology, general circulation

Location

40N, 36S, 3E, 9.5W

Devices

CTD SBE 911+ , water sampler

Fluorometer, transmissometer

Data

FileSizeFormatProcessingAccess
CTD profiles and bottle samples from ELISA-4
28 KoNetCDFQuality controlled data
Download
CTD profiles and bottle samples from ELISA-4
19 KoODVQuality controlled data
Download
How to cite
Taupier-Letage Isabelle (2020). ELISA (1997-1998) mesoscale survey in the Algerian sub-basin (Western Mediterranean): hydrological data set of the cruise ELISA-4 (summer 1998). SEANOE. https://doi.org/10.17882/72546

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Oceanographic cruises
MTPII-MATER/ELISA4 JUN98
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Millot C., Taupier-Letage I. (2005). Additional evidence of LIW entrainment across the Algerian subbasin by mesoscale eddies and not by a permanent westward flow. Progress in Oceanography, 66 (2-4), 231-250. https://doi.org/10.1016/j.pocean.2004.03.002
Millot C., Taupier-Letage I. (2005). Circulation in the Mediterranean Sea. In: Saliot A. (eds) The Mediterranean Sea. Handbook of Environmental Chemistry, vol 5K. Springer, Berlin, Heidelberg. https://doi.org/10.1007/b107143
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Related datasets
Taupier-Letage Isabelle (2020). ELISA (1997-1998) mesoscale survey in the Algerian sub-basin (Western Mediterranean): hydrological data set of the cruises ELISA-1 (summer 1997) and ELISA-2 (fall 1997). SEANOE. https://doi.org/10.17882/72475
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