**6. Acknowledgments**

We gratefully acknowledge financial support from the Office of Naval Research, Code 322BC, Arlington, VA and the Naval Space and Warfare Systems Center, San Diego, CA for conducting these studies. Special thanks are due to Dr. Jim Case (University of California, Santa Barbara) for his continuing guidance in this study and Ms. Connie H. Liu (Naval Space and Warfare Systems Center, San Diego, CA) for providing mean Chl *a* and nitrate values for this study.
