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Abstract:
Under the Developing Arctic Modeling and Observing Capabilities for Long-term
Environmental Studies (DAMOCLES) project, an acoustic Doppler current profiler
(ADCP) and a Microcat were deployed at the sill separating the Storfjorden in
Svalbard Archipelago and Storfjordrenna north of Storfjordbanken on the Barents
Sea shelf. Storfjorden, through its polynya activity, produces highly saline
water near the freezing temperature which fills the fjord to the sill level (115
m) and initiates a gravity driven overflow. A self-contained 307.2 KHz broadband
Workhorse, Sentinel, RD Instruments ADCP and a Sea-Bird SBE37SM Microcat (S/N
4011), temperature-conductivity-pressure recording unit was deployed at 76deg
58.08min N, 19deg 14.95min E at the 111 m isobath on 12 december 2005. The
instruments were recovered on 9 August 2006. The instruments are installed in an
aluminum trawl-proof frame, attached to a concrete block of 2.5x2.5x0.37 m
dimensions. The ADCP sampled at 4-m depth cell size, averaging data (33 pings
per ensemble) at 10 min intervals. The first cell was centered at about 6 meter
above seafloor. The Microcat sampled at 10min intervals. This dataset consists
of hourly averaged vertical profiles of current velocities as well as
ADCP-temperature and Microcat-temperature/salinity/pressure at the instrument
depth.