Position SD2

file dps9697.a4d:

Pressure data from digiquartz sensors has been de-meaned and detrended.

(a)       Temperature from DQ44935
          Pressure    from DQ44935
(b)       Temperature from DQ46267
          Pressure    from DQ46267
(c)       Temperature from DQ52026
          Pressure    from DQ52026

Deployed November 1996 Recovered December 1997
Depth = 1170m Position 60 50.96S 54 43.36W
First sea bed scan is original record 69 =1
Last sea bed scan is original record 38928 = 38860
Time base 63 secs late  delt= 15.00002695
Drift and mean removed from pressure channels using a linear drift
using filter_drift.m

Stations in the Scotia Sea and Drake Passage

POL deployments in this area were first made in a section between the
Falkland Islands and Signy in the South Orkney islands. These stations
have names like 'FS1'. Recording then moved west to two deeper (4000 m)
stations on the western side of the Drake Passage ('ND1' and 'SD1'), and,
most recently, have been on a section between the Falklands and Elephant
Island along the official 'Drake Passage' hydrographic section for the
World Ocean Circulation Experiment ('ND2' and 'SD2' with the stations
including MYRTLE in between).

The nomenclature 'ND1' etc. follows that of

M.Meredith, 1995. On the temporal variability of the transport through
the Drake Passage. University of East Anglia Ph.D thesis. In other
publications, for example:

Woodworth, P.L., Vassie, J.M., Hughes, C.W. and Meredith, M.P. 1996.
A test of the ability of TOPEX/POSEIDON to monitor flows through
the Drake Passage. Journal of Geophysical Research, 101(C5), 11935-11947.

ND1 is referred to as DN92, SD1 as DS92, ND2 as DN93 and SD2 as DS93.

Most instruments were Paroscientific Digiquartz (DQ) pressure transducers
with temperature also recorded. BPR's had typically 3 sensors. Instrumental
drift has attempted to be removed from all records.