<p><strong>Fig. 3.24.</strong> (<strong>A</strong>) A sea surface temperature map of the ocean showing upwelling off the coast of California. Red indicates areas of warmer surface water. Blue indicates areas of cooler surface water.</p>

Fig. 3.24. (A) A sea surface temperature map of the ocean showing upwelling off the coast of California. Red indicates areas of warmer surface water. Blue indicates areas of cooler surface water.

Image courtesy of National Oceanic and Atmospheric Administration (NOAA)