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Addition of a Screen-Based Human-Like Avatar to Traditional Mannequin-Based Simulation for Emergency Medicine Resident Training Open

SV Phadnis, Lisa M. Clayton, Patrick G. Hughes, Scott M. Alter, Christopher R. Williams · 2025

Wet-radome attenuation in ARM cloud radars and its utilization in radar calibration using disdrometer measurements Open

Min Deng, Scott Giangrande, Michael Jensen, Karen Johnson, Christopher R. Williams , et al. · 2025

A relative calibration technique has been developed for the US Department of Energy's (DOE's) Atmospheric Radiation Measurement (ARM) user facility Ka-band ARM Zenith Radars (KAZRs). This method uses the signal attenuation caused by water …

Advanced Precipitation and Boundary Layer Data Products Derived from ARM Radar Wind Profilers Open

Christopher R. Williams · 2024

This research project was successful in delivering on four main objectives. First, software was developed to accurately calculate 915-MHz radar wind profiler (RWP) spectrum moments from the recorded Doppler velocity power spectra. Second, …

Wet-Radome Attenuation in ARM Cloud Radars and Its Utilization in Radar Calibration Using Disdrometer Measurements Open

Min Deng, Scott Giangrande, Michael Jensen, Karen Johnson, Christopher R. Williams , et al. · 2024

A relative calibration technique is developed for the U.S. Department of Energy's (DOE) Atmospheric Radiation Measurement (ARM) user facility Ka-Band ARM Zenith Radars (KAZRs). The technique utilizes the signal attenuation due to water col…

A framework for estimating the anthropogenic part of Antarctica’s sea level contribution in a synthetic setting Open

Alexander T. Bradley, David T. Bett, Paul W. Holland, Christopher R. Williams, Robert J. Arthern , et al. · 2023

The relative contributions of anthropogenic climate change and internal variability in sea level rise from the West Antarctic Ice Sheet are yet to be determined. Even the way to address this question is not yet clear, since these two are l…

Calibrating radar wind profiler reflectivity factor using surface disdrometer observations Open

Christopher R. Williams, Joshua Barrio, Paul E. Johnston, Paytsar Muradyan, Scott Giangrande · 2023

This study uses surface disdrometer reflectivity factor estimates to calibrate the vertical and off-vertical pointing radar beams produced by an ultra high frequency (UHF) band radar wind profiler (RWP) deployed at the US Department of Ene…

Comment on egusphere-2022-1405 Open

Christopher R. Williams, Joshua Barrio, Paul E. Johnston, Paytsar Muradyan, Scott Giangrande · 2023

Abstract. This study uses surface disdrometer reflectivity factor estimates to calibrate the vertical and off-vertical pointing radar beams produced by an Ultra High Frequency (UHF) band radar wind profiler (RWP) deployed …

(How) can we attribute West Antarctic ice mass loss to climate change? Open

Alexander T. Bradley, David T. Bett, Christopher R. Williams, Robert J. Arthern, Paul W. Holland , et al. · 2023

The West Antarctic Ice Sheet is thinning and losing mass at an accelerating rate. However these changes have yet to be formally attributed to anthropogenic climate change, primarily because of the potential for positive feedbacks on ice sh…

Comment on egusphere-2022-1405 Open

Christopher R. Williams, Joshua Barrio, Paul E. Johnston, Paytsar Muradyan, Scott Giangrande · 2023

Variability of Atmospheric CO2 Over the Arctic Ocean: Insights From the O-Buoy Chemical Observing Network Open

Kelly A. Graham, Christopher D. Holmes, G. Friedrich, C. Rauschenberg, Christopher R. Williams , et al. · 2023

This dataset contains relevant files for the GEOS-Chem chemical transport model simulations used in the following manuscript: Graham, K. A., Friedrich, G., Rauschenberg, C. D., Williams, C. R., Bottenheim, J. W., Chavez, F. P., Halfacre, J…

Variability of Atmospheric CO2 Over the Arctic Ocean: Insights From the O-Buoy Chemical Observing Network Open

Kelly A. Graham, Christopher D. Holmes, G. Friedrich, C. Rauschenberg, Christopher R. Williams , et al. · 2023

Calibrating Radar Wind Profiler Reflectivity Factor using Surface Disdrometer Observations Open

Christopher R. Williams, Joshua Barrio, Paul E. Johnston, Paytsar Muradyan, Scott Giangrande · 2023

This study uses surface disdrometer reflectivity factor estimates to calibrate the vertical and off-vertical pointing radar beams produced by an Ultra High Frequency (UHF) band radar wind profiler (RWP) deployed at the US Department of Ene…

Vertical Air Motion Retrievals From Airborne $W$-Band Cloud Radar Open

Haonan Chen, C. W. Fairall, Christopher R. Williams, Elizabeth Thompson · 2023

In-cloud vertical air motion is a key parameter to describe cloud dynamics and lifecycles. Short-wavelength ( Ka - and

IEEE Photonics Technology Letters publication information Open