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Proposal Identication No.: T1485 Date Received: 2000-Sep-29 18:37:30
Technical Page
Proposal Type: Regular
General Category: Terrestrial Aeronomy
Sub-Category: Radar
Observation Category: Exosphere
Total Time Requested: 264 Hours
Proposal Title: Coupling of the Neutral Thermosphere, Exosphere, and Topside-Ionosphere
ABSTRACT:
The general object is to quantify the abundance and dynamics of light neutral and light ion species in the upper
atmosphere at solar maximum, and to understand their chemical interactions relative to solar minimum.
Specically, we propose to: 1) Quantify the population of H atoms on escaping trajectories within the H velocity
distribution. 2) Correlate H velocity distribution distortions from Maxwellian as a function of H+ composition. 3)
Evaluate He+ recombination as a source of metastable helium, relative to photoelectron (PE) production. 4)
Determine exobase winds using measurements of the Doppler shifted, infrared, He emission. 5) Determine vertical
winds above the F2 peak using the Doppler shift of the OI 844.6 nm emission. 6) Characterize the interhemispheric
ow of PE by simultaneous OI measurements in Chile. An over-arching objective is expansion of an H abundance
data-base to evaluate predictions of secular H enhancement expected as a consequence of global change in
atmospheric hydrogenous composition - primarily due to methane deposition at the earth surface.
Name Institution E-mail Phone Student
Robert B Kerr Scientic Solutions
Inc.
kerr@sci-sol.com 978-251-4554 no
I do NOT want to do remote observing.
Instrument Setup
430 CH receiver 430 CH radar
Atmospheric Optical Instruments:
Tilt-Photometer Fabry-Perot Ionosonde
Description of Observer Equipment: Infrared Fabry-Perot interferometer
Special Equipment or setup: Experiment requires two Observatory Fabry-Perot
interferometers, and two photometers.
RFI Considerations
Frequency Ranges Planned
425 - 435 NHz
This proposal requires coordination with AFTWF within the band 425-435 MHz.
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