Project Title

Local-scale drivers and responses of thermospheric weather above Antarctica

Summary

Event Number:
A-343-M/S
NSF / OPP Award 2029459

Program Director:
Dr. Vladimir Papitashvili

ASC POC/Implementer:
John Rand / Randolph Jones / Paul Sullivan / Sheryl Seagraves

Principal Investigator(s)

Dr. Mark Gerard Conde
mgconde@alaska.edu
University of Alaska Fairbanks
Physics Department

Project Web Site:
http://sdi_server.gi.alaska.edu/sdiweb/index.asp

Location

Supporting Stations: McMurdo Station, South Pole Station
Research Locations: Arrival Heights; South Pole Station ARO

Description

This project operates and maintains ground-based Fabry-Perot spectrometers at McMurdo and South Pole Stations. The instruments measure mesospheric and thermospheric neutral winds and temperatures at heights of around 87 km, 120 km, and 240 km. Data collected informs both large-scale changes in mean flow and small-scale local perturbations, independently resolves impacts due to forcing from above and from below and contributes to studies utilizing data from other types of observing systems located in Antarctica.

Field Season Overview

This project continues operations of the Fabry-Perot spectrometers installed at McMurdo and South Pole Stations. Minor upgrades and replacements of worn components are scheduled (i.e., service mechanical parts, align and calibrate the optics, replace short-lifetime components, install new OH filters), otherwise no changes to existing conditions or support requirements are anticipated. The instruments operate autonomously with remote intervention by the PI. Some interactions with contractor technicians at the sites are required to coordinate onsite interventions as needed. The U.S. Antarctic Program will provide up to two hours/week of support by a Research Associate year-round.

Two science team members will deploy to service the instruments. They will provide their own supplies and tools. The trips require several days at each site, for a total of about two weeks in December. Typical maintenance consists of instrument maintenance and the installation of new or upgraded components.

Deploying Team Members