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Piscataqua Mouth Estuarine Circulation Study
Daily CTD Operational Results
RV Gulf Surveyor January 2021

John E. Hughes Clarke and Indra Prasetyawan
EM2040 and ADCP ops
Matt Rowell and Dan Tauriello
RVGS Operations
Class of ESCI 896.02 (2021)
Applied Physical Oceanography
for Hydrographic Surveyors



Daily RVGS Operations

The core physical oceanographic observations were acquired with an AML CTD.

January 6th
ctd
em
                tracks
CTD Acquisition:
On the rising tide
Acoustics (MB WCD and ADCP):

Notes:
  • Various tests of ADCP bin size to start with.
  • Alsas settled on 05m for th resot of the day.
  • EM2040P setup only completed half way through so no data for ADCP lines 114-123.
  • Significant swell at harbour mouth - verty apparent the ADCP does no heave scorrection.
  • 2040P orientation only coming in at 1Hz so poor bathy.



January 8th
ctd
em
                tracks
CTD Acquisition:
From late on the ebb, through LW.
Acoustics (MB WCD and ADCP):

Notes:
  • Various tests


January 12th
ctd
em
                tracks

CTD Acquisition:
From just after HW and early to mid ebb.
Acoustics (MB WCD and ADCP):

Notes:
  • Strange speed (?) related nosie through the 2040 wcd.



January 14th
ctd
em
                tracks
CTD Acquisition:
on either side of HW
Acoustics (MB WCD and ADCP):
Notes:
  • Various tests


January 20th
ctd
em
                tracks
CTD Acquisition:
From LW to the early rising tide
Acoustics (MB WCD and ADCP):

Notes:
  • Various tests





page developed by JEHC Jan 2021