R/V Nathanial B. Palmer: Ross Sea, Antarctica Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: December 1994 4 weeks Littleton Harbor, New Zealand McMurdo Station, Antarctica Dr. Walker Smith ( U. of Tennessee) Dr. Walker Smith ( U. of Tennessee) Primary production rates (14C), P/I curves, chlorophyll biomass.

USCGC Polar Sea: Expedition to the North Pole Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: July-September 1994 8 weeks Nome, Alaska Rekjavik, Iceland Dr. Knut Aagaard (U. of Washington) Drs. Evelyn and Barry Sherr ( Oregon State Univ.) Bacterial production rates (14C-leu/3H-TdR), amino acid concentrations and turnover rates, monosaccharide concentrations and turnover rates.

R/V Johan Hjort: Greenland Sea Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: May 1994 3 weeks Bergen, Norway Hammerfest, Norway Dr. Franciso Rey (Inst. of Marine Research, Bergen) Dr. Franciso Rey (Inst. of Marine Research, Bergen) Sample collection for (15N) "new" and "regenerated" production measurements.

USCGC Polar Sea: Ross Sea, Antarctica Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: January 1994 4 weeks Littleton, New Zealand McMurdo Station, Antarctica Dr. Walker Smith ( U. of Tennessee) Dr. Walker Smith ( U. of Tennessee) Primary production rates (14C), P/I curves, chlorophyll biomass.

R/V Thomas G. Thompson: Equatorial Pacific (JGOFS) Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: August-September 1992 7 weeks Honolulu, Hawaii Tahiti Dr. Richard Barber (Duke University) Dr. David Kirchman (U. of Delaware) Bacterial production rates (14C-leu/3H-TdR), amino acid concentrations and turnover rates, monosaccharide concentrations and turnover rates.

R/V Thomas G. Thompson: Equatorial Pacific (JGOFS) Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: February-March 1992 7 weeks Honolulu, Hawaii Tahiti Dr. Jim Murray (U. of Washington) Dr. David Kirchman (U. of Delaware) Bacterial production rates (14C-leu/3H-TdR), amino acid concentrations and turnover rates, monosaccharide concentrations and turnover rates.

R/V Columbus Iselin: Amazon River Plume Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: May 1990 2 weeks Belem, Brazil Belem, Brazil Dr. David DeMaster ( N.C. State Univ.) Dr. Walker Smith ( U. of Tennessee) Primary production rates (14C), P/I curves, chlorophyll biomass.

R/V Polar Duke: Ross Sea, Antarctica Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: January-February 1990 4 weeks McMurdo Station, Antarctica McMurdo Station, Antarctica Dr. David Nelson ( Oregon State Univ.) Dr. Walker Smith ( U. of Tennessee) Primary production rates (14C), P/I curves, chlorophyll biomass, assisting with "new" and "regenerated" production measurements (15N).

R/V Endeavor: East Greenland Sea Dates: Duration: Departed: Arrived: Chief Scientist: P.I.: .Responsibility: July-August 1989 4 weeks Rekjavik, Iceland Tromsø, Norway Dr. Jody Deming (U. of Washington) Dr. Walker Smith ( U. of Tennessee) Primary production rates (14C), chlorophyll biomass, assisting with "new" and "regenerated" production measurements (15N).