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RV Endeavor EN663

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Endeavor (32EV)
Cruise identifierEN663
Cruise period2021-02-27 — 2021-03-16
StatusCompleted
Port of departurePort Everglades, United States
Port of returnPort Everglades, United States
PurposeResearch
ObjectivesThe RAPID/MOCHA/WBTS program is a joint research effort between the University of Miami's Rosenstiel School of Marine and Atmospheric Science (RSMAS), NOAA's Atlantic Oceanographic and Meteorological Laboratory (AOML), and the UK's National Oceanography Centre (Southampton, UK). The objective of this program is to continuously observe the strength and structure of the Atlantic meridional overturning circulation at 26.5º N using a trans-basin observing system. The UK program is part of the UK Rapid Climate Change Program (RAPID) funded by the National Environmental Research Council (NERC). The US program is referred to as MOCHA (Meridional Overturning Circulation and Heat-flux Array) and is funded by the National Science Foundation (NSF). NOAA contributes significantly to the effort through its Western Boundary Time Series (WBTS) Program.

Objectives
1. Service (recover and redeploy) 4 deep-sea moorings located off the eastern Bahamas along latitude 26.5°N.
2. Retrieve data from 6 pressure-equipped inverted echo sounders (PIES) by underwater acoustic telemetry, and recover and redeploy two PIES.
3. Conduct CTD (Conductivity-Temperature-Depth) and Lowered ADCP (Acoustic Doppler Current Profiler) sections across the Florida Current at 26ºN and 27ºN, the Northwest Providence Channel, and along the 26.5ºN RAPID-MOCHA western boundary line east of Abaco, Bahamas.
4. Perform additional deep water CTD casts to calibrate moored instrumentation.

Narrative in attached cruise report.
Chief scientistWilliam E Johns (Rosenstiel School of Marine and Atmospheric Science)
Cruise reportRV Endeavor EN663 cruise report endeavor_en663.pdf (2.43 MB) 
Ocean/sea areas 
GeneralNorth West Atlantic Ocean (limit 40W)
SpecificEastern Bahamas, Florida Current, Northwest Providence Channel
Data held at BODC Get data
Series/Profiles 
19  Acoustic current meter
Moored instrument depth
Reference numbers
Date and time
Temperature of the water column
Horizontal velocity of the water column (currents)
Moored instrument depth
Reference numbers
Date and time
Temperature of the water column
Horizontal velocity of the water column (currents)

BODC idDate/TimeLocationDoc.
22030192021-03-10 23:00  — 2023-02-17 12:30 26° 30' 33" N  76° 50' 30" W  View metadata report for BODC series reference number 2203019
22030442021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203044
22030932021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203093
22031002021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203100
22031122021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203112
22031242021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203124
22031732021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203173
22030562021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203056
22032042021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203204
22030322021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203032
22031972021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203197
22031482021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203148
22030812021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203081
22031612021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203161
22030202021-03-10 23:00  — 2023-02-17 12:30 26° 30' 33" N  76° 50' 30" W  View metadata report for BODC series reference number 2203020
22030682021-03-13 22:00  — 2023-02-14 16:30 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203068
22031362021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203136
22031852021-03-09 20:00  — 2023-02-19 12:30 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203185
22030072021-03-10 23:00  — 2023-02-17 12:30 26° 30' 33" N  76° 50' 30" W  View metadata report for BODC series reference number 2203007
3  Acoustic doppler current profiler
Reference numbers
Date and time
Vertical spatial coordinates
Horizontal velocity of the water column (currents)
Reference numbers
Date and time
Vertical spatial coordinates
Horizontal velocity of the water column (currents)

BODC idDate/TimeLocationDoc.
22032162021-03-10 23:00  — 2023-02-17 12:00 26° 30' 33" N  76° 50' 30" W  View metadata report for BODC series reference number 2203216
22032282021-03-13 22:00  — 2023-02-14 16:00 26° 29' 58" N  76° 30' 4" W  View metadata report for BODC series reference number 2203228
22032412021-03-09 20:00  — 2023-02-19 12:00 26° 30' 53" N  76° 6' 35" W  View metadata report for BODC series reference number 2203241
Discrete samples 
49  CTD frame plus rosette sampler
9  Instrument mooring