Alan Liu
- Title
- Professor
- Alan.Liu@erau.edu Email
- Department
- Physical Sciences Department
- College
- College of Arts & Sciences
Office Hours
<br>Areas of Expertise
Optical Remote Sensing of the Middle and Upper Atmosphere
Lidar technology
Atmospheric Dynamics
Middle and Upper Atmosphere Physics and Chemistry
External Links
The views expressed on faculty and external web pages are those of the author and do not necessarily represent those of Embry-Riddle Aeronautical University.
Education
- Ph.D. - Doctor of Philosophy in Atmospheric Sciences, University of Illinois at Urbana-Champaign
Ratings and Certificates
Currently Teaching
- EP 800: Dissertation
- EP 600: Experimental Methods Space Sci
- EP 501: Nmrcl Mthds Engrs & Scientists
- EP 430: Spacecraft Instrumentation
Courses Taught
PS150 Physics IPS250 Physics III
EP501 Numerical Methods for Scientists and Engineers
EP712 Geophysical Fluid Dynamics
Research Projects
- Dynamics in the Mesosphere and Lower Thermosphere over the Andes Lidar Observatory
- MRI: Acquisition of a High Power, Tunable Diode Laser to Upgrade the Na Lidar System at the Andes Lidar Observatory
- Observations and Analysis of Wave-Induced Constituent Transport in the Mesopause Region
- Collaborative Research: Instabilities and Turbulence in Gravity Wave Dissipation and Formation of Thermospheric Sodium Layers above the Andes
- MRI: Acquisition of A Meteor Radar for the Andes Lidar Observatory
Publications
- First Na Lidar Measurements of Turbulence Heat Flux, Thermal Diffusivity, and Energy Dissipation Rate in the Mesopause Region Publications (2017)
- Southern Hemisphere Summer Mesopause Responses to El Ni\u00f1o\u2013Southern Oscillation Publications (2016)
- Intermittency of Gravity Wave Momentum Flux in the Mesopause Region Observed with an All-Sky Airglow Imager Publications (2016)
- Chemical Transport of Neutral Atmospheric Constituents by Waves and Turbulence: Theory and Observations Publications (2016)
- First Measurement of Horizontal Wind and Temperature in the Lower Thermosphere (105\u2013140 km) with a Na Lidar at Andes Lidar Observatory Publications (2016)
- Evidence of the Excitation of a Ring-Like Gravity Wave in the Mesosphere over the Andes Lidar Observatory Publications (2016)
- The Life Cycle of Instability Features Measured from the Andes Lidar Observatory Over Cerro Pachon on 24 March 2012 Publications (2015)
- Observational Evidence of Quasi-27-Day Oscillation Propagating from the Lower Atmosphere to the Mesosphere over 20\u00b0 N Publications (2015)
- Observations of Overturning in the Upper Mesosphere and Lower Thermosphere Physical Sciences - Daytona Beach (2004)
- Observations of persistent Leonid meteor trails 3. The \u2018\u2018Glowworm\u2019\u2019 Physical Sciences - Daytona Beach (2002)
- Observations of Persistent Leonid Meteor Trails 2. Photometry and Numerical Modeling Physical Sciences - Daytona Beach (2001)
- Meteor Trail Advection Observed During the 1998 Leonid Shower Physical Sciences - Daytona Beach (2000)
- O(1S), OH, and O2(b) Airglow Layer Perturbations due to AGWs and their Implied Effects on the Atmosphere Physical Sciences - Daytona Beach
- Seasonal Variations of the Vertical Fluxes of Heat and Horizontal Momentum in the Mesopause Region at Starfire Optical Range, New Mexico Physical Sciences - Daytona Beach
- Vertical Heat and Constituent Transport in the Mesopause Region by Dissipating Gravity Waves at Maui, Hawaii (20.7\u00baN), and Starfire Optical Range, New Mexico (35\u00baN) Physical Sciences - Daytona Beach
- Characteristics of Quasi-Monochromatic Gravity Waves Observed with Na Lidar in the Mesopause Region at Starfire Optical Range, NM Physical Sciences - Daytona Beach
- High Frequency Gravity Waves Observed in OH airglow at Starfire Optical Range, NM: Seasonal Variations in Momentum Flux Physical Sciences - Daytona Beach
- Lidar Observations of Elevated Temperatures in Bright Chemiluminescent Meteor Trails During the 1998 Leonid Shower Physical Sciences - Daytona Beach
- Gravity Wave Characteristics in the Lower Atmosphere at South Pole Physical Sciences - Daytona Beach
- Maintenance of Circulation Anomalies during the 1988 Drought and 1993 Floods over the United States Physical Sciences - Daytona Beach
- Tomographic Imaging of Airglow from Airborne Spectroscopic Measurements Physical Sciences - Daytona Beach
- Observations of Persistent Leonid Meteor Trails. 1. Advection of the \"Diamond Ring\" Physical Sciences - Daytona Beach
- Characteristics of Instabilities in the Mesopause Region over Maui, Hawaii Physical Sciences - Daytona Beach
- TOMEX: Mesospheric and Lower Thermospheric Diffusivities and Instability Layers Physical Sciences - Daytona Beach
- TOMEX: A Comparison of Lidar and Sounding Rocket Chemical Tracer Physical Sciences - Daytona Beach
- High Frequency Atmospheric Gravity Wave Damping in the Mesosphere Physical Sciences - Daytona Beach
- Comparison of Meteor Radar and Na Doppler Lidar Measurements of Winds in the Mesopause Region above Maui, Hawaii Physical Sciences - Daytona Beach
- Measurements of Atmospheric Stability in the Mesopause Region at Starfire Optical Range, NM Physical Sciences - Daytona Beach
- Atmospheric Stability and Gravity Wave Dissipation in the Mesopause Region Physical Sciences - Daytona Beach
- Observational Investigations of Gravity Wave Momentum Flux with Spectroscopic Imaging Physical Sciences - Daytona Beach
- On the Variability of Mesospheric OH Emission Profiles Physical Sciences - Daytona Beach
- Measurements of Mesospheric Sodium Abundance above the Hawaiian Islands Physical Sciences - Daytona Beach
- A Modeling Study of O2 and OH Airglow Perturbations Induced by Atmospheric Gravity Waves Physical Sciences - Daytona Beach
- Observations of Gravity Wave Breakdown into Ripples Associated with Dynamical Instabilities Physical Sciences - Daytona Beach
- Unstable Layers in the Mesopause Region Observed with Na Lidar During the Turbulent Oxygen Mixing Experiment (TOMEX) Campaign Physical Sciences - Daytona Beach
- Comparison of Na Lidar and Meteor Radar Wind Measurements at Starfire Optical Range, NM, USA Physical Sciences - Daytona Beach
- Vertical Dynamical Transport of Mesospheric Constituents by Dissipating Gravity Waves Physical Sciences - Daytona Beach
- Seasonal and Nocturnal Variations of the Mesospheric Sodium Layer at Starfire Optical Range, New Mexico Physical Sciences - Daytona Beach
- Estimation of Gravity Wave Momentum Flux with Spectroscopic Imaging Physical Sciences - Daytona Beach
- A Model for Calculating Acoustic Gravity Wave Energy and Momentum Flux in the Mesosphere from OH Airglow Physical Sciences - Daytona Beach
Publications
Dr. Liu's research projects and publications are listed on Selected Works.Memberships and Credentials
IEEE, Senior member
American Geophysical Union, member
American Meteorological Society, member