Level III Measurements

U.S. Repeat Hydrography Level III Measurements

Year

Cruise

Chloro

-phyll

Prim.

Produc.

HPLC pig

-ments

Contin

-uous analy

-zers

Del ¹⁵N of NO₃

³²Si

¹⁸O

NH₄

Low level nuts

TOP

Optical profiling

¹⁷O of O₂

Methyl halides

DMS

Multi

-beam ADCP

2003

A16N

Y-L

2003

A20

S/N/C

2003

A22

S/N/C

2004

2005

A16S

Y-L

2005

P16S

S/N/C

2006

P16N

S/N/C

2008

I8S

2008

I9N

2007

P18

2008

P18

2008

I6S

2008

S4P

2008

S4P

2009

I7N

Chlorophyll: S/N/C = Siegel, Nelson, Carlson

HPLC Pigs: S/N/C = Siegel, Nelson, Carlson

Continuous Analyzers: B = Byrne

Del ¹⁵N of NO₃: A = Altabet

Optical profiling: S/N/C = Siegel, Nelson, Carlson

Methyl halides: Y-L = Yvon-Lewis

U.S. Repeat Hydrography Level III Measurements Continued
Year	Cruise	Th-230**	Pa 231**	Bacterial Biomass*	Bacterial Prod.*	Carbo- hydrates*	Zoo- plank & DIC**	Aero- sols	HCFC	¹⁸O	B_Car
2003	A16N								Y-L
2003	A20			S/N/C	S/N/C	S/N/C
2003	A22			S/N/C	S/N/C	S/N/C
2004	P2	F/B	F/B
2005	A16S							J	Y-L
2005	P16S			S/N/C	S/N/C	S/N/C		L
2006	P16N			S/N/C	S/N/C	S/N/C	F
2007	I8S
2007	I9N
2007	P18
2008	P18
2008	I6S									S	D
2008	S4P
2008	S4P
2009	I7N

* funded

**proposed limited sample collection on past and present cruises

Th 230: F/B= Francois, Bacon

Bacteria Biomass: S/N/C = Siegel, Nelson, Carlson

Bacterial Production: S/N/C = Siegel, Nelson, Carlson

Carbohydrates: S/N/C = Siegel, Nelson, Carlson

Zooplankton and DIC: D/F Dickson and Fabry

Aerosols: L = Landing, J = Johansen

HCFC: Y-L = Yvon-Lewis

¹⁸O: S = Speer

B_Car: D = Dittmar