HOT-23: Chief Scientist Report

Chief Scientist: S. CHISWELL

Personnel List

Steve Chiswell		CS
F. Bahr
Jef Snyder		WOCE
Marc Rosen		GOFS/WOCE
Sean Kennan		WOCE
F. Santiago-Mandujano	WOCE
John Dore		GOFS
Ricardo Letelier	GOFS
Dale Hebel		GOFS
M. Ver
C. Sabine		GOFS
James Christian		GOFS
Ursula Magaard		GOFS



Summary

HOT-23 departed Snug Harbor at 1800 on February 1st, 1991 and returned
at approximately 1800 on 6 February. Kahe Point was visited en route to
Station ALOHA, and XBTs were dropped after leaving the Kahe Point
Station.  Regular sampling work was conducted at Station ALOHA.
Inverted echo sounders (IES) were deployed during this cruise, and 6
extra Stations were completed near the deployment sites.


WOCE and JGOFS Operations 
-------------------------

All WOCE and JGOFS primary sampling was completed on this cruise.


CTD and XBT Operations 
----------------------

There were no CTD problems on this cruise. XBTs were deployed en route
to Station ALOHA.


Primary Production and Sediment Trap Measurements.
--------------------------------------------------

Primary Productivity was measured with an in situ array on 5 February.
Sediment traps were recovered on 5 February.


Optical Measurements.  
---------------------

Two PNF casts were conducted at Kahe point and four at Station ALOHA.
LICOR data were logged on 1 February - 3 February.


Ancillary Projects.  
-------------------

S. Chiswell deployed Inverted echo sounders near the ALOHA Station.
Plankton net tows were done for R. Lettelier and D. Hebel.