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Global Change Master Directory (GCMD)
Hourly Mesosphere Wind Estimates (Meteor Winds) for Stations in Antarctica, Arctic Ocean, and Europe
Entry ID: STP-MW017


Summary
Abstract: This data set consists of meridional and zonal hourly winds accompanied with
hourly meteor rates, as measured by ground-based meteor radar. The hourly winds
were obtained at the height interval of 92-95 km using meteor radars with no
angle gauges. The data were recorded at Molodezhnaya (Antarctica), Heiss Island
(Arctic Ocean), Obninsk, USSR, and Khulungsborn, Germany. Radar characteristics
include wave length = 9m, peak power = 50-70 kw, pulse length = 20-30 mks,
pulse repetition = 500 pps, sensitivity = 2-3 mkv, 5-elements yagi antennae,
and beam width = 35 degrees. The data coverage for the 4 stations spans 5
years.

The term 'meteor wind' is used for the mesosphere wind estimates derived from
meteor trail drifts measurements. Ionized meteor trails are produced by
meteoroids (meteor particles) which enter the Earth's atmosphere. A meteor
trail moves in the atmosphere due to the neutral wind and magnetic field.
The radial component of this movement is measured using meteor radar. Estimates
of 'meteor wind' are derived from the set of measurements of radial components
using statistical characteristics of meteor parameter distributions and
parameters of antenna pattern. The 'hourly meteor rate' which is the number
of registered meteors for which reliable estimates of radial components can be
obtained can also be determined. Meteoroids occur in the height interval 80-100
km and are centered at 92-95 km (maximum for the apex time, near 6 a.m. LT, and
minimum for anti-apex time, near 6 p.m. LT ).

Geographic Coverage
 N: 81.0 S: -67.0  E: 58.0  W: 12.0

Data Set Citation
Version: Not provided


Temporal Coverage
Start Date: 1970-01-29
Stop Date: 1974-12-25


Location Keywords
OCEAN > ARCTIC OCEAN
CONTINENT > ANTARCTICA
CONTINENT > EUROPE
GEOGRAPHIC REGION > MID-LATITUDE
GEOGRAPHIC REGION > POLAR
VERTICAL LOCATION > IONOSPHERE
VERTICAL LOCATION > MESOSPHERE


Science Keywords
ATMOSPHERE >ATMOSPHERIC WINDS >UPPER LEVEL WINDS    [Definition]


Platform
GROUND STATIONS    [Information]


Instrument
RADAR >Radio Detection and Ranging    [Information]


Keywords
CLIMATOLOGY
HOURLY DATA
IDN_NODE GSFC/WDCB
MESOSPHERE WINDS
UPPER AIR


Data Center
World Data Center for Solar-Terrestrial Physics, Moscow    [Information]
Data Center URL: http://www.wdcb.ru/stp/index.en.html

Data Center Personnel
Name: VITALY A. NECHITAILENKO
Phone: (095) 255-21-94
Fax: (095) 255-22-25
Email: wdcb at meteo.ru
Contact Address:
RIHMI-WDC
6, Korolev St.
City: Obninsk
Province or State: Kaluga Reg
Country: RUSSIA


Personnel
SCOTT A. RITZ
Role: METADATA AUTHOR
Phone: 301-602-3890
Fax: 301-614-5268
Email: Scott.A.Ritz at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: Maryland
Postal Code: 20771
Country: USA


Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 1970-01-01
Last DIF Revision Date: 2018-11-08



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