Search Results - "Ao, Chi"

Estimating climatological planetary boundary layer heights from radiosonde observations: Comparison of methods and uncertainty analysis by Seidel, Dian J., Ao, Chi O., Li, Kun

“…Planetary boundary layer (PBL) processes control energy, water, and pollutant exchanges between the surface and free atmosphere. However, there is no…”
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Valsalva maneuvers with or without adenosine for supraventricular tachycardiac by Ao, Chi-Va, Ho, Min-Po

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Double sequential defibrillation for refractory ventricular fibrillation by Ao, Chi-Va, Ho, Min-Po

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A high-resolution planetary boundary layer height seasonal climatology from GNSS radio occultations by Kalmus, Peter, Ao, Chi O., Wang, Kuo-Nung, Manzi, Maria Paola, Teixeira, João

“…We present a new seasonal planetary boundary layer height (PBLH) climatology product derived from 14 years of Global Navigation Satellite System radio…”
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The COSMIC/FORMOSAT-3 Radio Occultation Mission after 12 Years: Accomplishments, Remaining Challenges, and Potential Impacts of COSMIC-2 by Ho, Shu-peng, Anthes, Richard A., Ao, Chi O., Healy, Sean, Horanyi, Andras, Hunt, Douglas, Mannucci, Anthony J., Pedatella, Nicholas, Randel, William J., Simmons, Adrian, Steiner, Andrea, Xie, Feiqin, Yue, Xinan, Zeng, Zhen

“…Launched in 2006, the Formosa Satellite Mission 3–Constellation Observing System for Meteorology, Ionosphere and Climate (FORMOSAT-3/COSMIC) was the first…”
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An Assessment of PBL Heights and Low Cloud Profiles in CAM5 and CAM5‐CLUBB Over the Southeast Pacific Using Satellite Observations by Kubar, Terence L., Xie, Feiqin, Ao, Chi O., Adhikari, Loknath

“…Instantaneous satellite cloud top height (CTH) data from Moderate Resolution Imaging Spectroradiometer and Cloud‐Aerosol Lidar and Infrared Pathfinder…”
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Vehicle Localization and Velocity Estimation Based on Mobile Phone Sensing by Chen, Chi-Hua, Lee, Chi-Ao, Lo, Chi-Chun

“…In recent years, smart devices have become ubiquitous. Many of these devices are equipped with global positioning system (GPS), Wi-Fi, and other sensors. With…”
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GNSS-RO Refractivity Bias Correction Under Ducting Layer Using Surface-Reflection Signal by Wang, Kuo-Nung, Ao, Chi, de la Torre Juárez, Manuel

“…Due to its high vertical resolution and cloud-penetrating capability, GNSS-Radio Occultation (RO) remote sensing technique has been utilized to observe the…”
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Tomographic Radio Occultation Methods Applied to a Dense Cubesat Formation in Low Mars Orbit by Moeller, Gregor, Ao, Chi O., Mannucci, Anthony J.

“…The atmospheric measurements made by the eight Mars orbiters in operation (as of April 2021) significantly improved our understanding of the Martian weather…”
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Seasonal and Annual Changes of the Regional Tropical Belt in GPS-RO Measurements and Reanalysis Datasets by Luan, Lan, Staten, Paul W., Ao, Chi O., Fu, Qiang

“…The width of the tropical belt has been analyzed with a variety of metrics, often based on zonal-mean data from reanalyses. However, constraining the global…”
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Sensing Horizontally Oriented Frozen Particles With Polarimetric Radio Occultations Aboard PAZ: Validation Using GMI Coincident Observations and Cloudsat a Priori Information by Padulles, Ramon, Cardellach, Estel, Turk, F. Joseph, Ao, Chi O., de la Torre Juarez, Manuel, Gong, Jie, Wu, Dong L.

“…The sensitivity of PAZ's Polarimetric Radio Occultation (PRO) observations to horizontally oriented frozen particles is assessed using coincident measurements…”
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Global climatology of planetary boundary layer top obtained from multi-satellite GPS RO observations by Basha, Ghouse, Kishore, P., Ratnam, M. Venkat, Ravindra Babu, S., Velicogna, Isabella, Jiang, Jonathan H., Ao, Chi O.

“…Accurate estimation of the planetary boundary layer (PBL) top is essential for air quality prediction, weather forecast, and assessment of regional and global…”
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Assessing the performance of GPS radio occultation measurements in retrieving tropospheric humidity in cloudiness: A comparison study with radiosondes, ERA-Interim, and AIRS data sets by Vergados, Panagiotis, Mannucci, Anthony J., Ao, Chi O.

“…We assess the impact that the Global Positioning System radio occultations (GPSRO) measurements have on complementing different data sets in characterizing the…”
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Planetary boundary layer heights from GPS radio occultation refractivity and humidity profiles by Ao, Chi O., Waliser, Duane E., Chan, Steven K., Li, Jui-Lin, Tian, Baijun, Xie, Feiqin, Mannucci, Anthony J.

“…The height of the planetary boundary layer (PBL) is an important parameter that relates to the various processes associated with the PBL. In this paper, we use…”
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Consistency and structural uncertainty of multi-mission GPS radio occultation records by Steiner, Andrea K, Ladstädter, Florian, Ao, Chi O, Gleisner, Hans, Ho, Shu-Peng, Hunt, Doug, Schmidt, Torsten, Foelsche, Ulrich, Kirchengast, Gottfried, Kuo, Ying-Hwa, Lauritsen, Kent B, Mannucci, Anthony J, Nielsen, Johannes K, Schreiner, William, Schwärz, Marc, Sokolovskiy, Sergey, Syndergaard, Stig, Wickert, Jens

“…Atmospheric climate monitoring requires observations of high quality that conform to the criteria of the Global Climate Observing System (GCOS). Radio…”
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Evaluating the lower-tropospheric COSMIC GPS radio occultation sounding quality over the Arctic by Yu, Xiao, Xie, Feiqin, Ao, Chi O

“…Lower-tropospheric moisture and temperature measurements are crucial for understanding weather prediction and climate change. Global Positioning System radio…”
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Using GPS radio occultations to infer the water vapor feedback by Vergados, Panagiotis, Mannucci, Anthony J., Ao, Chi O., Fetzer, Eric J.

“…The air refractive index at L‐band frequencies depends on the air's water vapor content and density. Exploiting this relationship, we derive for the first time…”
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Monitoring the width of the tropical belt with GPS radio occultation measurements by Ao, Chi O., Hajj, Amanda J.

“…GPS radio occultation data collected over the period 2002–2011 were analyzed to examine the possible expansion of the tropical belt due to climate change. By…”
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Joint 1DVar retrievals of tropospheric temperature and water vapor from Global Navigation Satellite System radio occultation (GNSS-RO) and microwave radiometer observations by Wang, Kuo-Nung, Ao, Chi O, Morris, Mary G, Hajj, George A, Kurowski, Marcin J, Turk, Francis J, Moore, Angelyn W

“…Global Navigation Satellite System radio occultation (GNSS-RO) and microwave radiometry (MWR) are two of the most impactful spaceborne remote sensing…”
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Reproducibility of GPS radio occultation data for climate monitoring: Profile-to-profile inter-comparison of CHAMP climate records 2002 to 2008 from six data centers by Ho, Shu-peng, Hunt, Doug, Steiner, Andrea K., Mannucci, Anthony J., Kirchengast, Gottfried, Gleisner, Hans, Heise, Stefan, von Engeln, Axel, Marquardt, Christian, Sokolovskiy, Sergey, Schreiner, William, Scherllin-Pirscher, Barbara, Ao, Chi, Wickert, Jens, Syndergaard, Stig, Lauritsen, Kent B., Leroy, Stephen, Kursinski, Emil R., Kuo, Ying-Hwa, Foelsche, Ulrich, Schmidt, Torsten, Gorbunov, Michael

“…To examine the claim that Global Positioning System (GPS) radio occultation (RO) data are useful as a benchmark data set for climate monitoring, the structural…”
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