HOT-41: Chief Scientist Report

Chief Scientist: C. WINN

HOT-41 Cruise Report
R/V Moana Wave
Oct. 17-22, 1992

Personnel list:

Chris Winn-Chief Scientist
Ricardo Letelier
Jim Christian
Chris Carillo
Jinchun Yuan
John Dore
Sean Kennan
Dale Hebel
Paul Troy
Dave Wilbur-UW
Dan Sadler
Chris Measures
Terry Houlihan
Rich Muller


Cruise Brief:

October 17

     Departed Snug at 0900. Arrive at Kahe at 1130 and proceed with
weight cast. CTD cast 1 started at 1300. CTD problems observed on
upcast. No bottles tripped. Reterminated wire and start cast 2. Cast 2
on deck at 1930. Underway to ALOHA at 2030.

October 18

     Deploy traps at 0400, finished at 0600. Steam to center, arrive
0646. CTD cast 1 commenced at 0655, finished at 1030.  Burst sampling
commenced at 1300.

October 19

     Continue CTD casts. Go-Flo cast at 0245. Primary production array
in at 0622. Continued CTD casts. Primary production array recovered at
1828. CTD casts continued.

October 20

     Continue CTD casts. Commence with spatial survey at 1100 23 24 N,
158 W and continue south along 158 W. Heading towards direction of
sediment traps.

October 21

     Continue spatial survey. Sediment traps picked up at 1330.
Spatial survey continues south along 158 W.

October  22

     Spatial survey  finished at 0100. Transit back to Snug.  Arrive at
0900.


Sampling requests:

1) John Dore- nitrgen cycling
2) Dave Wilbur- oxygen experiments
3) Lisa Campbell- picoplankton
4) Cliff Voss (USGS)- Kahe Pt. water samples
5) Paul Troy- carbonate dissolution experiments, extended trap 
   line to accomodate traps at 600 meters.
6) Chris Measures, Jinchun Yuan- trace metal sampling
7) Sean Kennan - CTD spatial survey, mid-water hydrography