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Transcription
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APPENDIX A.
Scientists: For SCRIPPS Cruise No. 9.
Dr. A. Longhurst (cruise leader).
R. Owen (assistant cruise leader).
APPENDIX B.
Station Types - Extracted from manual observations.
Primary - A - full hydrographic and biological (noon and midnight).
Secondary - B - limited hydrographic and biological
Limited - C - limited hydrographic.
Station A.(Twice daily at approximately noon and midnight)
Secchi disc...................................................................5 min.
TDS to 1000 m.....................................................30 min.
Hydrocast to 1000 m............................................60 min.
Oblique and surface net tow....................................30 min.
Plankton recorder...............................................30 min.
Micronekton net.................................................60' min. (underway, night)
Lexan bottles included in hydrocast for chlorophyll, noon
and midnight, and for productivity, noon only. Phytonet noon and
midnight, no station time required.
Dipnetting at midnight station only.
Station B. (Twice daily at approximately 0600 and 1800 local time)
TDS to 500 m.....................................................15 min.
Secchi disc..........................................................5 min.
Hydrocast to 500 m..............................................25 min.
Oblique and surface net tows...................................30 min.
Station C. (Three hourly intervals daily)
XBT or BT....................................................................0 or 2 min.