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Millstone Hill ISR, June 14-18, 2004. Ti, June 14-18, 2004.

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Presentation on theme: "Millstone Hill ISR, June 14-18, 2004. Ti, June 14-18, 2004."— Presentation transcript:

1 Millstone Hill ISR, June 14-18, 2004

2 Ti, June 14-18, 2004

3 Ti and wind pattern, March 29 - April 3, 2004 Zonal wind, m/s Meridional wind, m/s Ti, K

4 Ti on March 30, 2004 Variations in Ti on March 30, 2004 reach ~100-200 K Millstone Hill Ti empirical model does not reveal large variations for this level of solar activity and season

5 LTCS 2005 suggestions Two 4-5 day campaigns close to the periods of LTCS 2004 campaigns (June, November) Two 4-5 day campaigns close to the periods of LTCS 2004 campaigns (June, November) Objectives: Objectives: To establish state of the lower thermospheric parameters under conditions of minimal disturbances (low solar flux, low geomagnetic activity)To establish state of the lower thermospheric parameters under conditions of minimal disturbances (low solar flux, low geomagnetic activity) To study day-to-day variability in winds and temperature at MLT altitudesTo study day-to-day variability in winds and temperature at MLT altitudes To examine possible dependence of tidal signatures on solar fluxTo examine possible dependence of tidal signatures on solar flux When possible, include E-region coverage in other World Day campaigns When possible, include E-region coverage in other World Day campaigns

6 Long-duration MLT observation campaign Objective 1: to study atmospheric waves and variability in the MLT from small scale to global scale Objective 1: to study atmospheric waves and variability in the MLT from small scale to global scale Objective 2: to study day-to-day variability at F- region altitudes Objective 2: to study day-to-day variability at F- region altitudes Data: Data: E-region: Vn, Un, Ti, NeE-region: Vn, Un, Ti, Ne F-region: Ne, Te, Ti, electric field, merid. windF-region: Ne, Te, Ti, electric field, merid. wind Suggested campaign period: August 1-30, 2005 Suggested campaign period: August 1-30, 2005 Cooperation with satellites (TIMED) and world- wide ground-based observations is expected for global coverage of data. Cooperation with satellites (TIMED) and world- wide ground-based observations is expected for global coverage of data.

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