SelectedWorks - Titus Yuan

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Selected Works of Titus Yuan

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About Titus Yuan

Present	Assistant Professor, Utah State University ‐ Physics
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Physics

Articles (27)

Evidence for Horizontal Blocking and Reflection of a Small‐Scale ...

Journal of Geophysical Research: Atmospheres (2020)

Neal R. Criddle, Pierre-Dominique Pautet, Tao Yuan, C. Heale, et al.

The variations of the horizontal phase velocity of an internal gravity wave, generated by wave “blocking” or “reflection” due to ...

Solar Response and Long‐Term Trend of Midlatitude Mesopause Region ...

Journal of Geophysical Research: Space Physics (2019)

Chiao-Yao She, Uwe Berger, Zhao-Ai Yan, Tao Yuan, et al.

We present midlatitude solar response and linear trend from Colorado State University/Utah State University Na lidar nocturnal temperature observations between ...

The Long‐Term Trends of Nocturnal Mesopause Temperature and Altitude ...

Journal of Geophysical Research: Atmospheres (2019)

Tao Yuan, Stanley C. Solomon, Chiao -Y. She, D. A. Krueger, et al.

The mesopause, a boundary between mesosphere and thermosphere with the coldest atmospheric temperature, is formed mainly by the combining effects ...

A Modeling Study of the Responses of Mesosphere and Lower ...

Journal of Geophysical Research: Space Physics (2019)

Jingyuan Li, Wenbin Wang, Jianyong Lu, Jia Yue, et al.

Thermosphere Ionosphere Mesosphere Electrodynamics General Circulation Model (TIMEGCM) simulations are diagnostically analyzed to investigate the causes of mesosphere and lower ...

On the Long Lasting “C‐Type” Structures in the Sodium ...

Journal of Geophysical Research: Space Physics (2019)

S. Mondal, S. Sarkhel, Jay Agarwal, D. Chakrabarty, et al.

In order to understand the characteristics of long‐lasting “C‐type” structure in the Sodium (Na) lidargram, six cases from different observational ...

Photochemistry on the Bottom Side of the Mesospheric Na Layer

Atmospheric Chemistry and Physics (2019)

Tao Yuan, Wuhu Feng, John M. C. Plane and Daniel R. Marsh

Lidar observations of the mesospheric Na layer have revealed considerable diurnal variations, particularly on the bottom side of the layer, ...

Simultaneous Rayleigh-Scatter and Sodium Resonance Lidar Temperature Comparisons in the ...

Journal of Geophysical Research: Atmospheres (2018)

Leda Sox, Vincent B. Wickwar, Tao Yuan and Neal R. Criddle

The Utah State University (USU) campus (41.7°N, 111.8°W) hosts a unique upper atmospheric observatory that houses both a high-power, large-aperture ...

Wind and temperature response of midlatitude mesopause region to the ...

Journal of Geophysical Research (2012)

Tao Yuan, B. Thurairajah, C. Y. She, A. Chandran, et al.

In this paper we report winds and temperature in the mesopause region (80–102 km) over full diurnal cycles during the ...

Seasonal variations of midlatitude mesospheric Na layer and their tidal ...

Journal of Geophysical Research (2012)

Tao Yuan, C. Y. She, T. D. Kawahara and D. A. Krueger

The Na lidar facility at Colorado State University (41°N, 105°W) started the full diurnal cycle observations of mesopause region temperature ...

Comparison of diurnal tide in models and ground-based observations during ...

Journal of Atmospheric and Solar-Terrestrial Physics (2012)

L. C. Chang, W. E. Ward, S. E. Palo, J. Du, et al.

In this study, ground-based observations of equinox diurnal tide wind fields from the first CAWSES Global Tidal Campaign are compared ...

Observed nocturnal gravitywave variances and zonal momentum flux in midlatitude ...

Journal of Atmospheric and Solar-Terrestrial Physics (2011)

P. E. Acott, C. Y. She, D. A. Krueger, Z. Yan, et al.

Twenty-nine nights including 275 h measurements of temperature, zonal and meridional winds, and zonal momentum flux in the mesopause region ...

The Faraday filterbasedspectrometer for observing sodium nightglow and studying atomic ...

Journal of Atmospheric and Solar-Terrestrial Physics (2010)

S. D. Harrell, C. Y. She, Tao Yuan, D. A. Krueger, et al.

This paper describes the operational principles, design and field testing of a new, compact, Faraday filter-based spectrometer to measure the ...

On theconsistency of model, ground-based and satellite observations of tidal ...

Journal of Geophysical Research (2010)

W. E. Ward, J. Oberheide, L. P. Goncharenko, T. Nakamura, et al.

Comparisons between tidal wind signatures diagnosed from satellite and ground-based observations and a general circulations model for two (September–October 2005, ...

A collaborative study on temperature diurnal tide in the midlatitude ...

Journal of Atmospheric and Solar-Terrestrial Physics (2010)

Tao Yuan, C. Y. She, J. Forbes, X. Zhang, et al.

The na lidar-observed temperature diurnal tidal perturbations, based on full-diurnal-cycle observations from 2002 to 2008, are compared with tidal wave ...

A global climatology of the mesospheric sodium layerfrom GOMOS data ...

Atmospheric Chemistry and Physics (ACP) (2010)

D. F. Fussen, F. Vanhellemont, C. T'etart, N. Mateshvili, et al.

This paper presents a climatology of the mesospheric sodium layer built from the processing of 7 years of GOMOS data. ...

Wind-bias correction method for narrowband sodium Doppler lidarsusing iodine absorption ...

Applied Optics (2009)

Tao Yuan, J. Yue and C. Y. She

We present a technique to measure the frequency chirp introduced by the laser pulse amplification process in the transmitter of ...

Sodium and potassiumvapor Faraday filters re-visited: Theory and applications

Journal of the Optical Society of America B (2009)

S. D. Harrell, C. Y. She, Tao Yuan, D. A. Krueger, et al.

A complete theory describing the transmission of atomic vapor Faraday filters is developed. The dependence of the filter transmission on ...

Field demonstration of simultaneous wind and temperaturemeasurements from 5to50 km ...

Optics Letters (2009)

W. Huang, X. Chu, Johannes Wiig, Bo Tan, et al.

We report the first (to our knowledge) field demonstration of simultaneous wind and temperature measurements with a Na double-edge magneto-optic ...

Mesospheric bore formation fromlarge-scale gravity wave perturbations observed by collocated ...

Journal of Atmospheric and Solar-Terrestrial Physics (2009)

J Yue, C. Y. She, T Nakamura, S. Harrell, et al.

On 9 October 2007, long-horizontal-wavelength gravity waves were observed for the first time to steepen and form mesospheric bores at ...

Seasonal variations of semidiurnal tidalperturbations in mesopause region temperature and ...

Journal of Geophysical Research (2008)

Tao Yuan, H. Schmidt, C. Y. She, D. A. Krueger, et al.

On the basis of Colorado State University (CSU) Na lidar observations over full diurnal cycles from May 2002 to April ...

Climatology of mesopause region temperature, zonal wind, and meridional wind ...

Journal of Geophysical Research (2008)

Tao Yuan, C. Y. She, D. A. Krueger, F. Sassi, et al.

Between May 2002 and April 2006, many continuous observations of mesopause region temperature and horizontal wind, each lasting longer than ...

Seasonal variation of diurnal perturbations in mesopause regiontemperature, zonal, and ...

Journal of Geophysical Research (2006)

Tao Yuan, C. Y. She, M. E. Hagan, B. P. William, et al.

On the basis of lidar observations from May 2002 through April 2003, covering both day and night, we performed a ...

Concurrent OHimager and sodium temperature/wind lidar observation of localized ...

Journal of Geophysical Research (2005)

L. Tao, C. Y. She, B. P. Williams, Tao Yuan, et al.

On 3 and 5 September 2002 the OH all-sky imager at Platteville, Colorado (40.2°N, 104.7°W), observed small-scale, wavelike patterns (known ...

Tidal perturbations and variability in mesopause region over Fort Collins ...

Geophysical Research Letters (2004)

C. Y. She, T. Li, R. L. Collins, Tao Yuan, et al.

An unusually long data set was acquired at the sodium lidar facility at Colorado State University (41N, 105W), between Sep ...

Concurrent OH imager and sodiumtemperature/wind lidar observation of a ...

Journal of Geophysical Research (2004)

C. Y. She, T. Li, B. P. Williams, Tao Yuan, et al.

We reported the observation of a mesospheric front with the properties of an undular bore by an OH imager, over ...