Now showing items 2881-2900 of 5084

    • The Inverse Ocean Modeling System. Part II: Applications 

      Muccino, J. C.; Luo, H.; Arango, H. G.; Haidvogel, D.; Levin, J. C.; Bennett, A. F.; Chua, B. S.; Egbert, G. D.; Cornuelle, B. D.; Miller, A. J.; Di Lorenzo, E.; Moore, A. M.; Zaron, E. D. (American Meteorological Society, 2008)
      The Inverse Ocean Modeling (IOM) System is a modular system for constructing and running weak-constraint four-dimensional variational data assimilation (W4DVAR) for any linear or nonlinear functionally smooth dynamical ...
    • The Inverse Ocean Modeling System. Part I: Implementation 

      Bennett, A. F.; Chua, B. S.; Pflaum, B. L.; Erwig, M.; Fu, Z.; Loft, R. D.; Muccino, J. C. (American Meteorological Society, 2008)
      The Inverse Ocean Modeling (IOM) system constructs and runs weak-constraint, four-dimensional variational data assimilation (W4DVAR) for any dynamical model and any observing array. The dynamics and the observing algorithms ...
    • CORRIGENDUM 

      Cantrell, Will; Ochshorn, Eli; Kostinski, Alexander; Bozin, Keith (American Meteorological Society, 2009)
    • Horizontal-Velocity and Variance Measurements in the Stable Boundary Layer Using Doppler Lidar: Sensitivity to Averaging Procedures 

      Pichugina, Yelena L.; Tucker, Sara C.; Banta, Robert M.; Brewer, W. Alan; Kelley, Neil D.; Jonkman, Bonnie J.; Newsom, Rob K. (American Meteorological Society, 2008)
      Quantitative data on turbulence variables aloft?above the region of the atmosphere conveniently measured from towers?have been an important but difficult measurement need for advancing understanding and modeling of the ...
    • CORRIGENDUM 

      Unknown author (American Meteorological Society, 2009)
    • The Retrieval of Profiles of Particulate Extinction from Cloud-Aerosol Lidar Infrared Pathfinder Satellite Observations (CALIPSO) Data: Algorithm Description 

      Young, Stuart A.; Vaughan, Mark A. (American Meteorological Society, 2009)
      This work describes the algorithms used for the fully automated retrieval of profiles of particulate extinction coefficients from the attenuated backscatter data acquired by the lidar on board the Cloud-Aerosol Lidar ...
    • Classification of Convective Areas Using Decision Trees 

      Gagne, David John; McGovern, Amy; Brotzge, Jerry (American Meteorological Society, 2009)
      This paper presents an automated approach for classifying storm type from weather radar reflectivity using decision trees. Recent research indicates a strong relationship between storm type (morphology) and severe weather, ...
    • Notes on Temperature-Dependent Lidar Equations 

      Adam, Mariana (American Meteorological Society, 2009)
      The temperature dependence of molecular backscatter coefficients must be taken into account when narrowband interference filters are used in lidar measurements. Thus, the spectral backscatter differential cross section of ...
    • A Microdrop Generator for the Calibration of a Water Vapor Isotope Ratio Spectrometer 

      Iannone, Rosario Q.; Romanini, Daniele; Kassi, Samir; Meijer, Harro A. J.; Kerstel, Erik R. Th (American Meteorological Society, 2009)
      A microdrop generator is described that produces water vapor with a known isotopic composition and volume mixing ratio for the calibration of a near-infrared diode laser water isotope ratio spectrometer. The spectrometer ...
    • Validation of Two-Dimensional Variational Ambiguity Removal on SeaWinds Scatterometer Data 

      Vogelzang, Jur; Stoffelen, Ad; Verhoef, Anton; de Vries, John; Bonekamp, Hans (American Meteorological Society, 2009)
      A two-dimensional variational ambiguity removal technique (2DVAR) is presented. It first makes an analysis based on the ambiguous scatterometer wind vector solutions and a model forecast, and next selects the ambiguity ...
    • A Variational Method for Computation of Sensible Heat Flux over the Arctic Sea Ice 

      Cao, Zuohao; Ma, Jianmin (American Meteorological Society, 2009)
      In this study, a variational approach was employed to compute surface sensible heat flux over the Arctic sea ice. Because the variational approach is able to take into account information from the Monin?Obukhov similarity ...
    • Vertical Air Motion from T-REX Radiosonde and Dropsonde Data 

      Wang, Junhong; Bian, Jianchun; Brown, William O.; Cole, Harold; Grubišić, Vanda; Young, Kate (American Meteorological Society, 2009)
      The primary goal of this study is to explore the potential for estimating the vertical velocity (VV) of air from the surface to the stratosphere, using widely available radiosonde and dropsonde data. The rise and fall rates ...
    • Temperature Sounding with Wind Profiler Radars 

      Moran, K. P.; Wuertz, D. B.; Strauch, R. G.; Abshire, N. L.; Law, D. C. (American Meteorological Society, 1991)
      A network of 31 radar wind profilers is being installed in the central United States by the National Oceanic and Atmospheric Administration (NOAA). The radars are expected to measure the vertical profile of horizontal and ...
    • Impact of Transport Schemes on Modeled Dust Concentrations 

      Vuolo, Maria Raffaella; Menut, Laurent; Chepfer, Hélène (American Meteorological Society, 2009)
      A sensitivity study is performed with the CHIMERE-DUST chemistry transport model in order to evaluate the modeled mineral dust spread due to the horizontal transport scheme accuracy. Three different schemes are implemented ...
    • Water Vapor Profiling Using a Widely Tunable, Amplified Diode-Laser-Based Differential Absorption Lidar (DIAL) 

      Nehrir, Amin R.; Repasky, Kevin S.; Carlsten, John L.; Obland, Michael D.; Shaw, Joseph A. (American Meteorological Society, 2009)
      A differential absorption lidar (DIAL) instrument for automated profiling of water vapor in the lower troposphere has been designed, tested, and is in routine operation at Montana State University. The laser transmitter ...
    • Computationally Efficient Methods of Collocating Satellite, Aircraft, and Ground Observations 

      Nagle, Frederick W.; Holz, Robert E. (American Meteorological Society, 2009)
      The usefulness of measurements from satellite-borne instruments is enhanced if these measurements can be compared to measurements from other instruments mounted aboard the same or different satellite, with measurements ...
    • Performance Characteristics of Integrating Nephelometers in the Australian Outback 

      Mitchell, R. M.; Campbell, S. K.; Qin, Y.; Gras, J. L. (American Meteorological Society, 2009)
      Radiance Research M903 nephelometers have been operated at remote Australian Outback sites since April 1998. This paper describes the calibration procedures applied to these instruments and reports on the noise performance ...
    • A Method to Merge WSR-88D Data with ARM SGP Millimeter Cloud Radar Data by Studying Deep Convective Systems 

      Feng, Zhe; Dong, Xiquan; Xi, Baike (American Meteorological Society, 2009)
      A decade of collocated Atmospheric Radiation Measurement Program (ARM) 35-GHz Millimeter Cloud Radar (MMCR) and Weather Surveillance Radar-1988 Doppler (WSR-88D) data over the ARM Southern Great Plains (SGP) site have been ...
    • Availability of High-Quality TRMM Ground Validation Data from Kwajalein, RMI: A Practical Application of the Relative Calibration Adjustment Technique 

      Marks, David A.; Wolff, David B.; Silberstein, David S.; Tokay, Ali; Pippitt, Jason L.; Wang, Jianxin (American Meteorological Society, 2009)
      Since the Tropical Rainfall Measuring Mission (TRMM) satellite launch in November 1997, the TRMM Satellite Validation Office (TSVO) at NASA Goddard Space Flight Center (GSFC) has been performing quality control and estimating ...
    • Multifrequency Decoding of a Phased Array Doppler Sodar 

      Rao, I. Srinivasa; Anandan, V. K.; Kumar, M. Shravan (American Meteorological Society, 2009)
      Doppler sodar is being used for studying the lower part of atmospheric boundary layer (ABL) and wind profiling. To obtain maximum altitude coverage multifrequency transmission has been used along with more transmitted ...