NESBA LEGS#4 AR57

Ship

RV Neil Armstrong

Vehicles

Cruise Party

Ying-Tsong Lin: Chief Scientist, Principal Investigator
Woods Hole Oceanographic Institution Bigelow 213, MS#11 Woods Hole, Ma. USA 02543
+1 508 289 2329
ytlin@whoi.edu

Departure: WHOI on Jun 7, 2021

Arrival: WHOI on Jun 14, 2021

Mobilization Date: Jun 6, 2021

Demobilization Date: Jun 15, 2021

Supporting documentation:

Operations Area: New England Shelf Break

Lat/Lon: 39° 57.15′ S / 70° 53.167′ W

Depth Range: 100 / 1000

Will the vessel be operating within 200 NM of a foreign country? no

Science objectives

The primary scientific objectives of the NESBA experiments are to investigate the physics link of environmental variations to sound propagation and scattering, with strongly naval relevant applications on advancing ocean acoustic technology. 

Science Activities

NESBA Legs#4 is to recover mooring from the NESBA network and also conduct a short-term acoustic experiment in the Block Canyon.

Pre-cruise planning meeting: Teleconference

Stations:

Funding Agency: ONR/NAVY ##N00014-19-1-2663

- added ONR/NAVY ##N00014-19-1-2663 on Feb 10, 2021 8:46 AM by Weifeng Gordon Zhang

R/V Armstrong

Shipboard Equipment

Bathymetry System 12 kHz
ADCP 300 kHz
Sippican XBT System (Mark 21)
Bathymetry System 3.5 kHz
ADCP 150 kHz
A-Frame
Science Underway Seawater System
EM122 (12 kHz) Multibeam Echosounder
EK80 Sonar
Dynamic Positioning System
K-Synch System
USBL Nav
ADCP 38 kHz
Crane
EM710 MkII (40 to 100 kHz) Multibeam Echosounder


Shipboard Equipment Notes: We will need to use the shipboard USBL during towed source operations.

Shipboard Communication

Basic Internet access via HiSeasNet
Is there a need to receive data from shore on a regular basis?
Is there a need to transfer data to shore on a regular basis?
Is there an expectation to use Skype or any other real-time video conference program?


Shipboard Communication Notes: The Acoustic Telescope will have a delicated fleet brodaband attena.

CTD/Water Sampling

Wet Labs ECO-AFL fluorometer
Wet Labs C*Star transmissometer (660nm wavelength)
Seapoint STM turbidity sensor
SBE43 oxygen sensor
911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors
Biospherical underwater PAR (1000m depth limit) with reference Surface PAR

Critical CTD Sensors: 

MET Sensors

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


Storage Notes:

Navigation

GPS
USBL

Navigation Notes: We will need GPS PPS, NEMA, 10M Hz reference signal and IRIG-B feeds.

Winches

Other Portable Winch
Trawl Winch with 9/16th trawl wire
UNOLS Winch Pool

Winch Notes: We will bring a small winch for towing a sound source.

Wire use and application

Trawl Winch with 9/16th trawl wire


Wire Notes:

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

Other Science Vans:

Other Science Vans:

Science Van 1
Type/size: WHOI MOE Riggin VAN		Location:
Water:		Power:

Over the Side Equipment

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

Special Requirements

Elecrical Power: yes	Identify: HPC cluster (WHOI CIS Personnel will coordiate with SSSG)
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? yes

Describe deployment method and quantity:
Lithium batteries

Radioactive Material

Radioiosotopes: no

Additional Information

Is night time work anticipated on this cruise? yes

Specialized tech support (Seabeam, coring, other):  We will need to temporally installed a HPC cluster and a GPU workstation on the ship.

Other required equipment and special needs:  Marine mammal watchers on the bridge during sound source operations.
Date Submitted: Feb 21, 2021 9:18 PM by Ying-Tsong Lin