Surface and Tower Meteorological Instrumentation at NSA Handbook - January 2006 Page: 4 of 4
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January 2006, M. T. Ritsche
1. Surface and Tower Meteorological Instrumentation at Atqasuk (METTWR2H)
1.1 General Overview
The Surface and Tower Meteorological Instrumentation at Atqasuk (METTWR2H) uses mainly
conventional in situ sensors to measure wind speed, wind direction, air temperature, dew point and
humidity mounted on a 10-m tower. It also obtains barometric pressure, visibility, and precipitation data
from sensors at or near the base of the tower. In addition, a Chilled Mirror Hygrometer is located at 1 m
for comparison purposes. Temperature and relative humidity probes are mounted at 2 m and 5 m on the
tower. For more information, see the Surface and Tower Meteorological Instrumentation at Atqasuk
Handbook.
The original configuration and collection system for the METTWR2H was installed in July 2000. In
October 2003, the configuration and collection system was changed considerably. Information on the
data, sensors, and measurement methods prior to October 2003 can be found in the Atqasuk Meteorology
Station (AMET) Handbook.
2. Surface and Tower Meteorological Instrumentation at Barrow (METTWR4H)
2.1 General Overview
The Surface and Tower Meteorological Instrumentation at Barrow (METTWR4H) uses mainly
conventional in situ sensors mounted at four different heights (2 m, 10 m, 20 m and 40 m) on a 40-m
tower to obtain profiles of wind speed, wind direction, air temperature, dew point and humidity. It also
obtains barometric pressure, visibility, and precipitation data from sensors at the base of the tower. In
addition, a Chilled Mirror Hygrometer and an ultrasonic wind speed sensor are located near the 2 m level
for comparison purposes. For more information, see the Surface and Tower Meteorological
Instrumentation at Barrow Handbook.
The original configuration and collection system for the METTWR4H was installed in March 1998. In
October 2003, the configuration and collection system was changed considerably. Information on the
data, sensors, and measurement methods prior to October 2003 can be found in the Barrow Meteorology
Station (BMET) Handbook.
3. Contacts
3.1 Mentor
Michael Ritsche, Scientific Associate
Argonne National Laboratory
9700 South Cass Avenue, Bldg. 203
Argonne, IL 60439
Phone: 630-252-1554
Fax: 630-252-5498
Email: mtritsche@anl.gov1
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Ritsche, M. T. Surface and Tower Meteorological Instrumentation at NSA Handbook - January 2006, report, January 30, 2006; (https://digital.library.unt.edu/ark:/67531/metadc898389/m1/4/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.