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.

阿尔及利亚次级盆地涡流与层流跨学科研究（ELISA）实验（1997-1998年）是一项多学科、多平台的综合性实验，旨在研究由阿尔及利亚海流的非稳定性所引发的反气旋性阿尔及利亚涡流（AES），及其对总体环流和生物现象的影响。收集的数据证实了例如，沿阿尔及利亚坡度的LIW东向路径，并显示这些反气旋对应于春季的富饶区域。在每日分析卫星热成像以追踪AES之后，采样方案实时调整，采用每隔约10公里进行CTD测量的横切线。因此，数据在描述（移动）涡流方面具有高度分辨率，但可能不适用于某些目的。ELISA水文数据集是在1997年至1998年夏季的ELISA-1至4四次巡航期间获得的。本数据集包括ELISA-4巡航（1998年夏季）的90个CTD剖面和相关的水样瓶样品。数据集以netcdf和odv格式提供。