The Next 'ACT - Agulhas Current Time-series'

Ship

R/V Knorr

Vehicles

Cruise Party

Lisa Beal: Chief Scientist, Principal Investigator
Rosenstiel School of Marine and Atmospheric Science, University of Miami 4600 Rickenbacker Causeway Miami, FL USA 33149
+1 305 421 4093
lbeal@rsmas.miami.edu

Departure: Cape Town on Feb 13, 2013

Arrival: Cape Town on Mar 3, 2013

Mobilization Date: Feb 11, 2013

Demobilization Date: Mar 5, 2013

Supporting documentation:

»ACTchart_far.pdf
»m413_G.doc
»m412_F.doc
»m411.pdf
»m410_D.doc
»m409_C.doc
»m408.pdf
»m407_A.doc

Operations Area: Southwest Indian Ocean, off the southeast coast of South Africa, near East London.

Lat/Lon: 34° 0.0′ S / 28° 0.0′ E

Depth Range: 50 / 5000

Will the vessel be operating within 200 NM of a foreign country? South Africa
Are visas or special travel documents required? no

Science objectives

ACT: To monitor the volume transport of the Agulhas Current for three years off East London, South Africa. Cruise in February 2013 is the final of three ACT cruises.

Science Activities

Recover twelve moorings across the Agulhas Current: Seven full-depth current meter moorings over the continental slope, four C-PIES moorings at >4000 m depth, and one tide gauge in shallow water on the shelf.

Pre-cruise planning meeting: Teleconference

5 Nov, 2pm EST
Media personnel on board: Video, Writer
Dallas Murphy is the author of narrative non-fiction books about the ocean and has participated in over ten research cruises as outreach coordinator. Valery Lyman is a videographer and photographer.

Stations:

Funding Agency: NSF #0850891

- added NSF #0850891 on Nov 5, 2012 10:37 AM by
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R/V Knorr

Shipboard Equipment

Bathymetry System 12 kHz
ADCP 300 kHz
Bathymetry System 3.5 kHz
ADCP 75 kHz

Shipboard Communication

Is there a need to receive data from shore on a regular basis?
Basic Internet access via HiSeasNet

CTD/Water Sampling

SBE43 oxygen sensor
911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors

Critical CTD Sensors: CTD operations by Scripps ODF

CTD-Related Equipment

Lowered Acoustic Doppler Current Profiler (LADCP)

Hydrographic Analysis Equipment

Salinometer

MET Sensors

Barometric Pressure
Air temperature
Relative Humidity
Wind speed and direction


Storage Notes:

Navigation

Will you be using Long Base Line (LBL) navigation? no

Will you be using Doppler/GPS navigation? yes

Navigation Notes:

Winches

Mooring / TSE winch
CTD Winch with .322" Electro-mechanical wire

Winch Notes:



Wire Notes:

Slip ring required? no	Number of conductors:
Non-standard wire required? no	Type:
Traction winch required? no	Describe:

Other Science Vans:

Specialized Deck Equipment

Mooring Deployment/Recovery Equipment Required: no	Type:
Cruise Specific Science Winch Required: no	Type:
Nets Required: no	Type:

Over the Side Equipment

Will you be bringing any equipment (winches, blocks, etc.) that lowers instruments over the side? no

Special Requirements

Elecrical Power: no	Identify:
Equipment Handling: no	Identify:
Inter/intraship Communications: no	Identify:
Science Stowage: no	Identify:
Water: no	Identify:

Additional Cruise Items/Activities

Explosive Devices: no Portable Air Compressors: no Flammable Gases: no

Small Boat Operations: no SCUBA Diving Operations: no

Hazardous Material

Will hazardous material be utilized? no

Radioactive Material

Radioiosotopes: no

Additional Information

Is night time work anticipated on this cruise? yes

Specialized tech support (Seabeam, coring, other): 

Other required equipment and special needs: 
Date Submitted: Nov 5, 2012 10:43 AM