During each tracking period, the bathymetry was measured with a GPSMAP431s sounder Garmin International, Olathe, KS, and hourly CTD casts YSI CastAway 11B111032, YSI, Yellow Springs, OH were conducted to collect water samples and construct vertical temperature profiles.
También, se realizaron lances de un perfilador o CTD YSI CastAway 11B111032, YSI, Yellow Springs, OH en la columna de agua cada hora a lo largo de todo el seguimiento para hacer perfiles verticales de temperatura.