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OCR for page 11
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
Permanent Stations, Regular Observations, and Long-Term Monitoring
Mcmurdo (Elevation: 24 m Coordinates: 77°55'S, 166°39'E)
AURORA AND AIRGLOW
Photometer observations of aurora
S.B. Mende
COSMIC RADIATION
Super multisection neutron monitor
M.A. Pomerantz
SYNOPTIC OBSERVATIONS
U.S. Naval Support Force, Meteorological Officer
Surface observations
Temperature
Three-hourly;** thermograph, thermometer
Atmospheric pressure
Six-hourly;** Hg barometer, microbarograph
Wind direction and speed
Three-hourly;** aerovane system
Precipitation
Six-hourly; eight-inch rain gauge
Visibility, clouds, ceiling
Three-hourly; visual
Upper-air observations
Pilot balloons
As needed; nonscheduled
Radiosondes and rawinsondes
At 0000 GMT February-October; at 0000 and 1200 GMT October-February; AN/AMT-4A 1680-MHz flight equipment and GMD-1A tracking equipment
**
Continuous recording
OCR for page 12
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
ATMOSPHERIC CONSTITUENTS
Atmospheric water vapor and trace gas concentrations Occasional; atmospheric emission spectrometer
D.G. Murcray
ASSOCIATED RESEARCH PROGRAMS
Blowing snow Three-hourly; visual
U.S. Naval Support Force, Meteorological Officer
Surface weather observations Continuous; automatic weather stations
C.R. Stearns
Atmospheric aerosols Intermittent; impaction filters, CN counter
W.D. Komhyr; G.G. Lala
Ozone profiles 15 balloons/month
D.J. Hofmann
SPRINGTIME OZONE STUDIES
Balloon-borne measurements of aerosols and ozone
D.J. Hofmann
Palmer (Elevation: 7.5 m Coordinates: 64°46'S, 64°05'W)
SYNOPTIC OBSERVATIONS
Climatological surface observations: temperature, atmospheric pressure, wind direction and speed, precipitation, visibility
U.S. Naval Support Force, Meteorological Officer
Six-hourly synoptic: thermometer, barometer, wind gauge, rain gauge
South Pole (Elevation: 2800 m Coordinate: 90°S)
AURORA AND AIRGLOW
All-sky camera for photography of aurora
F.T. Berkey; S.B. Mende
Photometer observations of aurora
T.J. Rosenberg
ASTRONOMY
Solar seismology
M.A. Pomerantz
Ultra high energy gamma ray astronomy
M.A. Pomerantz
OCR for page 13
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
COSMIC RADIATION
Super multisection neutron monitor
M.A. Pomerantz
SYNOPTIC OBSERVATIONS
Contract Meteorological Observation Team
Surface observations
Temperature
Hourly;** thermograph, thermometers
Atmospheric pressure
Hourly;** Hg barometer; microbarograph
Wind speed and direction
Hourly;** aerovane system
Precipitation
Six-hourly;* visual
Visibility, clouds, ceiling
Six-hourly;* visual
Hydrometers and other obstructions to visibility
Six-hourly;* visual
Upper-air observations
Radiosondes and rawinsondes
At 0000 GMT February-October; at 0000 and 1200 GMT October-February; WB 1680-MHz flight equipment and GMD-1A tracking equipment
ENERGY-BALANCE MEASUREMENTS
J.T. Peterson
Direct solar-radiation on a surface
Continuous (summer); Eppley normal-incidence pyrheliometer on equatorial mount
Total solar and sky radiation on a horizontal surface
Continuous (summer); Eppley hemispherical pyranometer
Reflected solar radiation
Continuous (summer); Inverted Eppley hemispherical pyranometer
Diffuse solar radiation
Continuous (summer); Eppley hemispherical pyranometer shielded from direct solar radiation by an adjustable shade ring
Net radiation
Continuous; Wisconsin NET radiometer
*
Observations taken at three-hour intervals from October to February
**
Continuous recording
OCR for page 14
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
Simultaneous observations with rawin and ozone soundings
Intermittent
ATMOSPHERIC CONSTITUENTS
Total ozone
W.D. Komhyr; J.T. Peterson
Daily at 0900, 1200, and 1500 GMT as sky conditions permit; Dobson spectrophotometer
Twice per month (more frequently during spring); ozonesondes
Surface ozone
W.D. Komhyr; J.T. Peterson
Continuous; electrochemical concentration cell
Carbon dioxide sampling
W.D. Komhyr; C.D. Keeling; J.T. Peterson
Bimonthly, continuous; evacuated flasks, infrared gas analyzer
Trace metals and halogens samplings
J.T. Peterson
Sufficient samples for analysis; evacuated flasks, filters
Atmospheric turbidity*
J.T. Peterson
0900, 1200, 1500 GMT; Linke extinction turbidity meter
Atmospheric trace gases
J.T. Peterson
Spot measurements; gas chromatograph and evacuated flasks
Atmospheric water vapor and trace gas concentrations
D.G. Murcray
Occasional; atmospheric emission spectrometer
Radiation and snow albedo
S.G. Warren
Occasional; solarimeter, spectrophotometer
Ice crystals
W. Tape
Occasional; photography, camera, crystal replication
ASSOCIATED RESEARCH PROGRAMS
Snow accumulation
Contract Meteorological Observation Team
Monthly
Radioactivity monitoring
H.L. Volchok; J.T. Peterson
Continuous collections
Carbon-14 analysis
J.T. Peterson
Semi-weekly samples
Atmospheric aerosols*
W.D. Komhyr; G.G. Lala
* Observations taken at three-hour intervals from October to February
OCR for page 15
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
Atmospheric constituents
D.G. Murcray
GEOPHYSICAL MONITORING FOR CLIMATIC CHANGE (GMCC) COOPERATIVE PROJECTS
Carbon dioxide
C.D. Keeling
Nitrous oxide
R.A. Weiss
Radionuclides
R.J. Larsen
Aerosols
A. Hogan, G.G. Lala
Trace gases
R.A. Rasmussen; L. Heidt; R.J. Cicerone
14C
M. Poindexter
Multi-Station Programs
GROUND-BASED ELECTROMAGNETIC OBSERVATIONS
South Pole; McMurdo
R.A. Helliwell; A.C. Fraser-Smith; U.S. Inan
Passive ELF/VLF observations
CONJUGATE PROGRAMS
South Pole; McMurdo; Lake Mistissini (Quebec, Canada)
T.J. Rosenberg
Riometer studies of the ionosphere
South Pole; Lake Mistissini
F.T. Berkey
Ionosonde studies of the ionosphere
South Pole and five stations in the north [Girardville (L = 4.4) and lac Rebours (L = 4.0), Quebec, Canada; Pittsburgh (L = 3.5), New Hampshire; Durham (L = 3.2), New Hampshire; and Frobisher Bay, NWT]
Three-axis fluxgate magnetometer measurements of micropulsations to investigate the magnetosphere, ionosphere-magnetosphere coupling, and latitudinal conjugacy shifts
L.J. Lanzerotti; A. Wolfe
South Pole; McMurdo; Sonde Stromfjord (Greenland)
Three-axis u-metal-core magnetometer measurements of PC-1 micropulsations
R. Arnoldy; L.J. Cahill, Jr.; M.J. Engebretson
ULTRAVIOLET RADIATION MONITORING PROGRAM
Palmer; McMurdo; South Pole; Ushuaia (Argentina)
Scanning spectroradiometer measurements of UV radiation
C.R. Booth
OCR for page 16
United States Antarctic Research: Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990
AUTOMATIC WEATHER STATIONS
Climatological surface observations
C.R. Stearns
one unit at Byrd Station, Dome C, Rothera Station, Siple Station, Byrd Glacier, Franklin Island and Inexpressible Island; five units in the McMurdo area; four units near Dumont d'Urville; and six units on Ross Ice Shelf
REMOTE SITES
Katabatic winds
T. Parish; D.H. Bromwich; C.R. Stearns
Continuous readout by Tiros N satellite; automatic weather stations at Dome C and upslope from Dumont d'Urville
Surface weather observations
C.R. Stearns
Continuous readout by Tiros N satellite; automatic weather stations at Byrd Station, Ross Ice Shelf, Byrd Glacier, Franklin Island and Inexpressible Island
Representative terms from entire chapter:
weather stations