Water samples for pigment analysis were collected almost uniformly within a 3^o x 2^o region of the Southern Ocean (Fig. 1).

Figure 1: Cruise track during the AESOPS Survey II cruise in January 1998 (blue curve).  Water samples for pigment analysis were taken at the sea surface throughout the cruise (blue dots) at the decimal days indicated (local time).

Webpage by Jasmine S. Bartlett, Oregon State University.