OSNAP Leg2

Ship

R/V Knorr

Vehicles

Cruise Party

William JOhns: Chief Scientist, Principal Investigator
RSMAS, University of MIami 4600 Rickenbacker Causeway Miami, FL USA 33149
+1 305 421 4054
bjohns@rsmas.miami.edu

Departure: Reykjavik on Jul 4, 2014

Arrival: Reykjavik on Jul 30, 2014

Mobilization Date: Jul 2, 2014

Demobilization Date: Jul 31, 2014

Supporting documentation:

»Cruise_Prospectus_Knorr_July2014.pdf

Operations Area: North Atlantic range: 58-60deg N and 9-34deg W.

Lat/Lon: 58° 0.0′ N / 33° 0.0′ W

Depth Range: 1200 / 3500

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

Science objectives

This research is part of the U.S. led "Overturning in the Subpolar North Atlantic Program (OSNAP), an effort to determine the strength of the meridional overturning circulation and associated heat and freshwater fluxes in the subpolar North Atlantic.  It is a collaborative program with scientists from several nations, including the U.K., the Netherlands, Germany, France, and Canada.  Scientists from the U.S., the U.K., and the Netherlands will participate in this cruise.

The specific objectives of this cruise are as follows:

1. To deploy 20 current meter and sound source moorings along a line from west of the Reykjanes Ridge to the coast of Scotland. 
2. To conduct standard CTD (Conductivity-Temperature-Depth) and Lowered ADCP (Acoustic Doppler Current Profiler) stations at selected sites along the same mooring line.
3. To launch an array of acoustically tracked RAFOS floats at a number of sites near the mooring line.

Science Activities

In addition to the above, limited Seabeam surveying will be done to help site moorings along the eastern flank of the Reykjanes Ridge, between 58-59degN and 28-31degW.

Pre-cruise planning meeting: Teleconference

Stations:

Funding Agency: NSF #1259398

- added NSF #1259398 on Apr 2, 2014 4:33 PM by Dr. William JOhns

R/V Knorr

Shipboard Equipment

Bathymetry System 12 kHz
ADCP 300 kHz
Bathymetry System 3.5 kHz
ADCP 75 kHz
Deionized Water System
Science Underway Seawater System
Multibeam

Shipboard Communication

Basic Internet access via HiSeasNet

CTD/Water Sampling

SBE43 oxygen sensor
911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors
Wet Labs FLNTURTD Combination Flourometer and Turbidity Sensor

Critical CTD Sensors: 

CTD-Related Equipment

Lowered Acoustic Doppler Current Profiler (LADCP)

Hydrographic Analysis Equipment

Salinometer
Salt Bottles (2 cases of 125 ml provided)

MET Sensors

Barometric Pressure
Air temperature
Precipitation
Relative Humidity
Wind speed and direction
Short Wave Solar Radiation


Storage Notes:

Navigation

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

Will you be using Doppler/GPS navigation? no

Navigation

GPS

Navigation Notes:

Winches

CTD Winch with .322" Electro-mechanical wire

Winch Notes: Science party will be supplying LEBUS mooring winch system



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: yes	Type: LEBUS double capstan traction
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): Seabeam (light support)

Other required equipment and special needs: 
Date Submitted: Apr 2, 2014 4:44 PM by Dr. William JOhns