HOT Sampling Procedures

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WOCE Hydrographic Sampling Procedure

A Primer for Shipboard Operations at the Hawaii Ocean Time-Series Station

Ilse Hamann, Jefrey Snyder, Marc Rosen, Sheryl McCarthy
August 1996 revision: Craig Nosse, Fernando S-Mandujano
December 2002 revision: Fernando S-Mandujano, Noel Larson, Daniel Fitzgerald

1.0 Introduction

2.0 WOCE/HOT cruise organization

3.0 WOCE/HOT data collection

3.1 Hydrographic data acquisition

3.1.1 System description

3.1.2 CTD cast preparation

3.1.3 CTD data collection

3.1.4 Water sample collection (up-cast)

3.1.5a Termination of cast. Laboratory procedures

3.1.5b Termination of cast. Deck procedures

3.1.6 Summary of Console Operations Procedures

3.1.7 Water sampling from Niskin bottles

3.1.8 Data management and documentation

3.1.9 On-board Processing

3.1.10 Plotting data

3.1.11 Sea surface (bucket) temperature

3.2 Advanced procedures. Use and modifications of CTD acquisition and plotting routines

3.2.1 SEASAVE acquisition system

3.2.2 Creating and modifying the configuration files (SEACON)

3.2.3 Updating the sensor configuration files for SEASAVE (UPDCON)

3.2.4 Updating the configuration files for SEAPLOT

4.0 Additional oceanographic measurements

4.1 Meteorological observations

4.1.1 Data measurements

4.1.2 Data entry and plotting

4.2 XBT sampling

4.3 ADCP operation

4.4 Thermosalinograph operation

4.5 Thermosalinograph Bottle Samples

4.6 Supplements

4.6.1 Regular check of continuous sampling instruments

4.6.2 HOT Cruise Checklist

4.6.3 HOT CTD Deployment / Recovery Procedures aboard R/V Ka'Imikai O Kanaloa

Purpose

Tools and Supplies

Pre-Launch Procedure

Launch Procedure

Pre-Recovery Procedure

Recovery Procedure

5. References

6. Appendices

6.1 APPENDIX A Sample log sheets and plots

6.2 APPENDIX B CTD front panel

6.3 APPENDIX C Configuration files used during HOT cruises

6.4 APPENDIX D Duplicate salinity measurements