Delayed Mode Data collected by SO-SSS before 2002-2003
The Tropical Oceans. Domain : 30°N-30°S, 1950-2003. Details about the data origin and validation procedures can be found in Delcroix et al. (Deep Sea. Res., 52/5, 787-813, 2005). Download the validated SSS data.
Figure 1. (left) Number of SSS observations per 5° longitude and 1° latitude, expressed in decimal logarithm scale, as obtained from surface samples, thermosalinographs on vessels and cruise-derived measurements during 1950-2003. (middle and right) Number of SSS observations per month. Note the different horizontal (1950-1990 and 1990-2003) and vertical (1.5 E4 and 1.5 E5) scales.