Search Results - "Ying-Hwa Kuo"

Occurrence and detection of impact multipath simulations of bending angle by Zou, Xiaolei, Liu, Hui, Kuo, Ying‐Hwa

“…In the moist tropical lower troposphere, atmospheric refractivity fields are strongly affected by water vapour and have complicated, non‐spherically symmetric…”
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Potential Impacts of Radio Occultation Data Assimilation on Forecast Skill of Tropical Cyclone Formation in the Western North Pacific by Teng, Hsu‐Feng, Kuo, Ying‐Hwa, Done, James M.

“…This study assesses the potential influence of global navigation satellite system (GNSS) radio occultation (RO) data assimilation on the forecast skill of…”
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Multi‐resolution incremental 4D‐Var for WRF: Implementation and application at convective scale by Liu, Zhiquan, Ban, Junmei, Hong, Jing‐Shan, Kuo, Ying‐Hwa

“…The current four‐dimensional variational (4D‐Var) data assimilation (DA) algorithm, available in the community Weather Research and Forecasting (WRF) model's…”
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Analysis bias induced in assimilation of the radio occultation bending angle with complex structures in the tropical troposphere by Liu, Hui, Kuo, Ying‐Hwa, Sokolovskiy, Sergey, Zou, Xiaolei, Zeng, Zhen

“…In the tropical lower troposphere, the radio occultation (RO) bending angle can have complex and sharp structures. In current numerical weather prediction data…”
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Landfalling tropical cyclone characteristics and their multi‐timescale variability connected to monsoon and easterly formation environments over the western North Pacific by Teng, Hsu‐Feng, Done, James M., Kuo, Ying‐Hwa

“…This study analyses the impacts of tropical cyclones (TCs) that formed in monsoon and easterly environments on the major coastlines of the western North…”
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Marine Boundary Layer Heights and Their Longitudinal, Diurnal, and Interseasonal Variability in the Southeastern Pacific Using COSMIC, CALIOP, and Radiosonde Data by Ho, Shu-peng, Peng, Liang, Anthes, Richard A., Kuo, Ying-Hwa, Lin, Hsiao-Chun

“…The spatial and temporal variability of the marine boundary layer (MBL) over the southeastern Pacific is studied using high-resolution radiosonde data from the…”
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Comparison of COSMIC ionospheric measurements with ground-based observations and model predictions: Preliminary results by Lei, Jiuhou, Syndergaard, Stig, Burns, Alan G., Solomon, Stanley C., Wang, Wenbin, Zeng, Zhen, Roble, Raymond G., Wu, Qian, Kuo, Ying-Hwa, Holt, John M., Zhang, Shun-Rong, Hysell, David L., Rodrigues, Fabiano S., Lin, Chien H.

“…Electron densities retrieved from the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) radio occultation (RO) measurements are…”
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Global ionospheric response observed by COSMIC satellites during the January 2009 stratospheric sudden warming event by Yue, Xinan, Schreiner, William S., Lei, Jiuhou, Rocken, Christian, Hunt, Douglas C., Kuo, Ying-Hwa, Wan, Weixing

“…This paper investigates the global ionospheric response during the January 2009 stratospheric sudden warming (SSW) event by using electron density profiles…”
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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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Assessment of radiosonde temperature measurements in the upper troposphere and lower stratosphere using COSMIC radio occultation data by He, Wenying, Ho, Shu-peng, Chen, Hongbin, Zhou, Xinjia, Hunt, Doug, Kuo, Ying-Hwa

“…Temperature profiles derived from Global Positioning System (GPS) Radio Occultation (RO) data from the Constellation Observing System for Meteorology,…”
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Large-Scale Environmental Influences on Tropical Cyclone Formation Processes and Development Time by Teng, Hsu-Feng, Done, James M., Lee, Cheng-Shang, Hsu, Huang-Hsiung, Kuo, Ying-Hwa

“…The development of tropical cloud clusters (TCCs) to tropical cyclones (TCs) is the process of TC formation. This study identifies five main environmental…”
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Ionospheric annual asymmetry observed by the COSMIC radio occultation measurements and simulated by the TIEGCM by Zeng, Zhen, Burns, Alan, Wang, Wenbin, Lei, Jiuhou, Solomon, Stan, Syndergaard, Stig, Qian, Liying, Kuo, Ying-Hwa

“…Average F2‐layer electron densities at December solstice are higher than those at June solstice. This phenomenon, which is often called the F2‐layer annual…”
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Constellation Deployment for the FORMOSAT-3/COSMIC Mission by Chen-Joe Fong, Wen-Tzong Shiau, Chen-Tsung Lin, Tien-Chuan Kuo, Chung-Huei Chu, Shan-Kuo Yang, Yen, N.L., Shao-Shing Chen, Ying-Hwa Kuo, Yuei-An Liou, Sien Chi

“…The FORMOSA Satellite Series No. 3/Constellation Observing System for Meteorology, Ionosphere and Climate (FORMOSAT-3/COSMIC) spacecraft constellation…”
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Global 3-D ionospheric electron density reanalysis based on multisource data assimilation by Yue, Xinan, Schreiner, William S., Kuo, Ying-Hwa, Hunt, Douglas C., Wang, Wenbin, Solomon, Stanley C., Burns, Alan G., Bilitza, Dieter, Liu, Jann-Yenq, Wan, Weixing, Wickert, Jens

“…We report preliminary results of a global 3-D ionospheric electron density reanalysis demonstration study during 2002-2011 based on multisource data…”
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The Marine Boundary Layer Height over the Western North Pacific Based on GPS Radio Occultation, Island Soundings, and Numerical Models by Chien, Fang-Ching, Hong, Jing-Shan, Kuo, Ying-Hwa

“…This paper estimates marine boundary layer height (MBLH) over the western North Pacific (WNP) based on Global Positioning System Radio Occultation (GPS-RO)…”
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Atmospheric GNSS RO 1D-Var in Use at UCAR: Description and Validation by Wee, Tae-Kwon, Anthes, Richard A., Hunt, Douglas C., Schreiner, William S., Kuo, Ying-Hwa

“…This paper describes, along with some validation results, the one-dimensional variational method (1D-Var) that is in use at the University Corporation for…”
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Impact of intermittent spectral nudging on regional climate simulation using Weather Research and Forecasting model by Cha, Dong-Hyun, Jin, Chun-Sil, Lee, Dong-Kyou, Kuo, Ying-Hwa

“…This study examines simulated typhoon sensitivities to spectral nudging (SN) to investigate the effects on values added by regional climate models, which are…”
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Data assimilation retrieval of electron density profiles from radio occultation measurements by Yue, Xinan, Schreiner, William S., Lin, Yu-Cheng, Rocken, Christian, Kuo, Ying-Hwa, Zhao, Biqiang

“…In this paper, the Kalman filter is used to retrieve the electron density profile along the tangent points by assimilating the slant total electron content…”
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BRIDGING RESEARCH TO OPERATIONS TRANSITIONS: Status and Plans of Community GSI by Shao, Hui, Derber, John, Huang, Xiang-Yu, Hu, Ming, Newman, Kathryn, Stark, Donald, Lueken, Michael, Zhou, Chunhua, Nance, Louisa, Kuo, Ying-Hwa, Brown, Barbara

“…With a goal of improving operational numerical weather prediction (NWP), the Developmental Testbed Center (DTC) has been working with operational centers,…”
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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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