Conference Proceedings

Conference Proceedings:

C77. Cherukuru, N. W., R. Calhoun, M. Lehner, S. W. Hoch, C. D. Whiteman, and W. O. J. Brown, 2014: Instrument configuration for dual-Doppler LiDAR co-planar scans: METCRAX II. 16th Conf. Mountain Meteor., San Diego, CA, 18-22 August 2014.

C76. Hoch, S. W., N. W. Cherukuru, R. Calhoun, C. D. Whiteman, M. Lehner, and W. O. J. Brown, 2014: LiDAR observations during METCRAX-II. 16th Amer. Meteor. Soc. Conf. on Mtn Meteor., San Diego, CA, 18-22 August 2014.

C75. Whiteman, C. D. M. Lehner, S. W. Hoch, E. Crosman, M. Jeglum, N. W. Cherukuru, R. Calhoun, T. W. Horst, W. O. J. Brown, S. Semmer, R. Rotunno, N. Kalthoff, B. Adler, R. Vogt, and M. Grudzielanek, 2014: The second Meteor Crater Experiment (METCRAX II) – An overview of the October 2013 field study. 16th Amer. Meteor. Soc. Conf. on Mtn Meteor., San Diego, CA, 18-22 August 2014.

C74. Lehner, M., C. D. Whiteman, S. W. Hoch, N. W. Cherukuru, R. Calhoun, B. Adler, and N. Kalthoff, 2014: Downslope-windstorm-type flows in Arizona’s Meteor Crater – Initial findings from METCRAX II. EGU General Assembly 2014, Vienna, Austria, 27 April – 2 May 2014.

C73. K Barr, D McReavy, J Sharp, D Wolfe, R Krishnamurthy, R Calhoun, 2013: Comparing WindTracer Long Range Scanning Lidar data to In-situ Anemometry and Vertical Lidars “, AWEA WindPower, Chicago, USA.

C72.  Christina Stawiarski, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany; and C. Knigge, R. Calhoun, A. Wieser, C. Kottmeier, and K. Träumner, 2013: “Scopes and Challenges of Dual-Doppler Lidar Wind Measurements – An Error Analysis”.  AMS annual conference, Austin, Texas.

C71. R Barthelmie, S Pryor, C Smith, P Crippa, , H Wang, R. Krishnamurthy, R Calhoun, Valyou, Marzocca, Matthiesen & N Capaldo, 2012: “An integrated approach to offshore wind energy assessment: Great Lakes 3D Wind Experiment. Part I. Calibration and testing”. AWEA Offshore Windpower Conf., Virginia beach, VA, USA.

C70. R Krishnamurthy, A Choukulkar, R Calhoun, G Poulos, J Doyle, and K Barr, 2012: “Multiple three-dimensional scanning Doppler lidars and wind resource assessment“, AWEA Wind resource assessment and project energy seminar, September 2012, Pittsburgh, PA.

C69. R Calhoun, , R Krishnamurthy, A Choukulkar and K Barr, 2012, ” Coherent Doppler lidar for Wind farm assessment”, ISARS Conference, Boulder, CO.

C68. A Choukulkar and R Calhoun, 2012: “Three-dimensional Doppler lidar measurements of wind speed and directional variations”, Texas Tech Symposium, March 2012, Texas, USA.

C67. R Krishnamurthy, R Calhoun and J Doyle 2012: ” Mesoscale model evaluation with coherent Doppler lidar for wind farm assessment”, Texas Tech Symposium, March 2012, Texas, USA.

C66.  J. Sutton, F. Yu, F. Jeanneret, and R. Calhoun, 2011:  “Scanning Doppler Lidar for Wind Field Assessment”, European Wind Energy Association, 14-17 March, 2011, Brussels, Belgium.

C65. A. Choukulkar, R. Calhoun, B. Billings, J. Doyle (2010): “Winds on horizontal scans from Doppler lidar during T-REX”, 14th Conference on Mountain Meteorology, Lake Tahoe, CA.

C64.  Christman A., H. Fernando,  R. Calhoun, 2009:   Atmospheric Morning Transition Flows In Valley Terrain, International Conference on Fluxes and Structures in Fluids: Physics of Geospheres, Moscow, June 24 ‐ 27, 2009.

C63.  R. Calhoun, A. Christman, C. Retallack, and H. Fernando, 2009:   Alpine Valley Flows and Cold Pools during T-REX, EGU General Assembly 2009, Geophysical Research Abstracts,Vol. 11, -9812.

C62.  Higgins, C., R. Calhoun, M. Parlange, M. Froidevaux, and V. Simeonov, 2008, “The Impact of Humidity Fluctuations on Sensible Heat Fluxes Measured with Scintillometers”, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract H13H-07.

C61. Retallack, C., R. Calhoun, and H. J. S. Fernando, 2008:  “Internal hydraulic adjustment on a discontinuous escarpment slope”, Proceedings of the AMS 13th Conference on Mountain Meteorology, 8A.5.

C60. Drechsel, S., M. Chong, G. Mayr, M. Weissmann, R. Calhoun, and A. Dörnbrack, 2008:  “Three-dimensional wind retrieval: application of MUSCAT to dual Doppler lidar measurements”, Proceedings of the AMS 13th Conference on Mountain Meteorology, 6B.6.

C59. Christman, A., R. Calhoun, and H. J. S. Fernando, 2008:  “Analysis of cold pool breakup in complex topography and comparison with laboratory model results”, Proceedings of the AMS 13th Conference on Mountain Meteorology, 6B.5.

C58.  E. Patton., T. Horst, D. Lenschow, P. Sullivan, S. Oncley, S. Burns, A. Guenther, A. Held, T. Karl, S. Mayor, L. Rizzo, S. Spuler, J. Sun, A. Turnipseed, E. Allwine, S. Edburg, B. Lamb, R. Avissar, H. Holder, R. Calhoun, J. Kleissl, W. Massman, K. Tha Paw U, and J. Weil, 2008:  The Canopy Horizontal Array Turbulence Study, 18th Symposium on Boundary Layers and Turbulence, June 9-13, Stockholm, Sweden.

C57. A. Choukulkar, and R. Calhoun, 2008:  Analysis of Dispersion of Smoke Puffs in the Atmosphere using Lidar, 12th Annual George Mason University Conference on Transport and Dispersion Modeling, July 8-10, Fairfax, Virginia.

C56. S. Kongara, and R. Calhoun, 2008:  Velocity Field Retrievals using Optimal Interpolation of Lidar Data, 12th Annual George Mason University Conference on Transport and Dispersion Modeling, July 8-10, Fairfax, Virginia.

C55. R. Krishnamurthy, R. Calhoun, H. Fernando, G. Poulos, 2007:  “Measurements of Turbulence Parameters and Dissipation in Complex Terrain”, 12th Conference on Mesoscale processes, 6-9, August, NH.

C54. C. Retallack, R. Calhoun, H. Fernando, 2007:  “Winter Refinery Emission Plume Propagation, Doppler Lidar Observations”,  Fifth International Symposium on Environmental Hydraulics, Tempe, AZ.

C53. A. Christman, H. Fernando, R. Calhoun, 2007:  “Morning-Time Cold Pool and Inversion Evolution in Owens Valley California”, Fifth International Symposium on Environmental Hydraulics, Tempe, AZ.

C52. A. Linganagari, R. Calhoun, H. Fernando, 2007:  “Analysis of the Nocturnal Development and Dispersion of Smoke Puffs in the Atmosphere using Lidar”, Coherent Laser Radar Conference, Snowmass, CO, July 9-13.

C51. R. Newsom, R. Calhoun, D. Ligon, and K. Allwine, 2007:  “Dual-Doppler lidar measurements of flow over a suburban area”, Third Symposium on LIDAR Atmospheric Applications, American Meteorological Society, San Antonio, Jan 7.

C50. Retallack, C., Calhoun, R., H. Fernando, Wieser, A., Weissmann, M., and Dörnbrack, A., 2006:  “Observations of diurnal mountain valley flow utilizing dual Doppler lidar virtual tower technique”, Proceedings of the AMS 12th Conference on Mountain Meteorology, J6.5.

C49. Christman, A., Calhoun, R., Wieser, A, and H. Fernando, 2006:  “Analysis of cold pool formation and erosion in the Owens Valley region of California”, Proceedings of the AMS 12th Conference on Mountain Meteorology, J6.2.

C48. Weissmann, M., Calhoun, R., Dörnbrack, and Wieser, A., 2006:  “Dual Doppler lidar observations during T-REX”, Proceedings of the AMS 12th Conference on Mountain Meteorology, J9.2.

C47. Xia, Q., C. Lin, R. Calhoun, 2006:  “Coherent Structures in a Convective Urban Boundary Layer: An Adjoint Lidar-Data Assimilation Study”, American Physical Society, 59th Annual Meeting of the APS Division of Fluid Dynamics, November 19-21, KG.003.

C46. Fernando, H.J.S., Princevac, M., Calhoun, R. and Hunt, J.C.R., 2006: “Transport and Small Scale Mixing in Topographically Dominated Stably Stratified Flows, Proceedings, Sixth International Symposium on Stratified Flows, Perth, Australia, December 11-14.

C45. R. Calhoun, G. Poulos, and H. Fernando, 2006:  “Estimations of the dissipation of turbulent kinetic energy using sonics, 3-d hot-films, and Doppler lidar during TREX”, Proceedings of the AMS 12th Conference on Mountain Meteorology, J7.3.

C44. Q. Xia, C. Lin, R. Calhoun, and R. Newsom 2006:  “Retrieval of microscale flow structures from dual-Doppler lidar data measured in the urban boundary layer”, Proceedings of the AMS 17th Symposium on Boundary Layers and Turbulence, J5.3.

C43.  A. Mattegunta, R. Calhoun, H. Fernando, and A. Wieser, 2006:  “An evaluation of estimations of atmospheric turbulence from coherent Doppler lidar data”, Proceedings of the AMS 17th Symposium on Boundary Layers and Turbulence, J5.10.

C42.  S. Krishnamurthy, A. Yadav, P.E. Phelan, R. Calhoun, A.K. Vuppu, A.A. Garcia, & M.A. Hayes,” Comparative Study on the Dynamics of Rotating Paramagnetic Particles Simulated by Particle Dynamics, Stokesian Dynamics and Lattice Boltzmann Methods,” Paper No. IMECE2005-81243, ASME International Mechanical Engineering Congress & Exposition, Orlando, Florida, November (2005).

C41. Y. Wang, D. Garvey, C. Klipp, D. Ligon, C. Williamson, S. Chang, G. Huynh, and R. Calhoun, 2005:  “Low-level Jet Dominated Atmospheric Boundary Layer over Oklahoma City during JU2003”, Conference on Battlefield Atmospherics and Cloud Impacts on Military Operations (BACIMO), Monterey, CA, October 12-14.

C40.  Q. Xia, C. Lin, R. Calhoun, R. Newsom, 2005:  “Retrieval of Micro scale Flow Structures from Dual-Doppler Lidar Data Measured in the Urban Boundary Layer”, Bulletin of the American Physical Society, the 58th Annual Meeting of the Division of Fluid Dynamics, vol. 50, 205.

C39.  Fernando, H.J.S., Zajic, D. and Calhoun, R., 2005:  “Atmospheric Flow through Urban Street Canyons,” Bull. Am. Phys. Soc `50 (9), 231.

C38. A. Wieser, R. Calhoun, C. Kottmeier, , 2005:  “The Karlsruhe Doppler Wind Lidar: Comparison with Tower-, Profiler-, Sodar-, Radiosonde- and Tethersonde-Data”, EGU05-A-07963, European Geosciences Union, General Assembly, Vienna, Austria, April 24 – 29.

C37.  X. Li, M. Princevac, and R. Calhoun, 2005:  Accuracy of coherent Doppler lidar for the urban boundary layer measurements“, Proceedings of IMECE2005, 2005 ASME International Mechanical Engineering Congress and Exposition, Nov. 5-11, Orlando, Florida.

C36.  R. Calhoun, A. Wieser, M.  Princevac, C. Kottmeier, 2005: “Comparison of lidar data with tower, profiler radiosonde and tethersonde data”, 2nd Symposium on Lidar Atmospheric Applications, 85th AMS Annual Meeting, January 9-13, San Diego..

C35.  Zajic, D., Fernando, H.J.S., Princevac, M. and Calhoun, R., “Flow and Turbulence in Urban Canopies,” Paper # 6.2, 5th AMS Symposium on the Urban Environments, 23-28, Vancouver, BC, Canada, 2004.

C34.  Princevac, M., Calhoun, R.J., Zajic, D., Holeman, J., Heap, R., Fernando, H.J.S. and Newsom, R., “Arizona State University Contribution to the Joint-Urban 2003 Experiment: An Overview. Proceedings 10th Congress of Asian Fluid Mechanics (Ed., J.J. Wijethunga), University of Peradeniya, Sri Lanka, 17-21 May (Paper C34, CD), 2004.

C33.  Princevac M., R. Calhoun, and H. Fernando, 2004: Doppler-Lidar deployment during JU2003 experiment, XXI International Congress of Theoretical and Applied Mechanics, August 2004, Warsaw, Poland, EU.

C32.  J.Holeman, M. Princevac, S. Grossman-Clarke, S. Lee, H. Fernando, R. Calhoun, 2004:  “Joint Urban 2003 Surface Energy Budget Measurement and Analysis”, XXI International Congress of Theoretical and Applied Mechanics, August 2004, Warsaw, Poland, EU.

C31. Yadav, A., Calhoun, R., Phelan, P.E., Vuppu, A.K., Garcia, A.A., & Hayes, M. (2004). Simulation of Magneto-Rheological Fluids Using Lattice-Boltzmann Method.  ASME International Mechanical Engineering Congress & Exposition (IMECE), Paper No. IMECE, 2004-60301, Nov. 13 – 19, Anaheim, California.

C30.  R. Calhoun, R. Heap, M. Princevac, J. Sommer, H. Fernando, D. Ligon, 2004, “Measurement of winds flowing toward an urban area using coherent Doppler lidar”, Fifth Conference on the Urban Environment, Vancouver, Canada, August 23-27, paper 3.8.

C29.  R. Calhoun, R. Heap, J. Sommer, M. Princevac, J. Peccia, H. Fernando, 2004, “Tracking aerosol plumes:  lidar, modeling, and in-situ measurement”,  Proceedings of SPIE, Sensors, and command, control, communications, and intelligence (C3I), Technologies for homeland defense III, volume 5403, 683-694.

C28.  R. Heap, R. Calhoun, M. Princevac, J. Sommer, 2004, “Lidar measurements of atmospheric flow through a downtown cluster of high-rise buildings”, Fifth Conference on the Urban Environment, Vancouver, Canada, August 23-27, paper 3.6.

C27.  Y. Wang, Y., D. Ligon, E. Creegan, C. Williamson, C. Klipp, M. Felton, R. Calhoun: 2004, “Turbulence characteristics over an urban domain observed by Doppler lidars”, AMS 16th symposium on boundary layers and turbulence,. Portland, Maine. Amer. Meteor. Soc.

C26.  R. Calhoun, H. Fernando, 2003, “A survey of lidar data for the Joint Urban Dispersion 2003 Experiment”, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract A31C-0053.

C25.  A. Vuppu, A. Garcia, S. Saha, P. Phelan, R. Calhoun, M. Hayes, 2003, “Modeling flow around a microrotor in creeping flow using a quasi-steady-state analysis”, Proceedings of the 2003 conference on Diversity in computing, ACM, Oct. 15-181-8.

C24.  R. Bowen, R. Calhoun, J. Rasanen, “Ceilometer boundary layer measurements during the DOE VTMX/URBAN field experiment in Salt Lake City, Fourth Symposium on the Urban Environment, Norfolk, VA, May 20-24, 2002, 184-185.

C23.  A. Vuppu, S. Saha, A. Garcia, P. Phelan, R. Calhoun, “Paramagnetic particle microsphere chains in fixed and rotating magnetic fields”, smallTalk2002, The MicroFluidics, Microarrays and BioMEMS Conference, July 28-31, San Diego, CA, 2002.

C22.  R. Street, R. Calhoun, R. Cederwall, F. K. Chow, A. Cui, L. Ding, E. Zedler, “Life along the Bardina-Germano trail from smooth- to rough- boundary land”, New Developments in SubFilter-Scale (SFS) Closures, Boulder, Colorado, August, 2002.

C21.  A. Vuppu, S. Saha, A. Garcia, P. Phelan, M. Hayes, R. Calhoun, K. Booksh, “Lock-in-Amplifier Detection Using Dynamically Patterned Microrotors”, Poster presentation in BioDevice Interface Science and Technology Workshop, Scottsdale, AZ, Sept 7-9, 2002.

C20.  R. Lee, R. Calhoun, S. Chan, J. Leone, D. Stevens, “Numerical Models and Evaluation with Field Experiments Data:  Part III:  Comparisons to Tracer Data”, Fourth Symposium on the Urban Environment, Norfolk, VA, May 20-24, 2002.

C19.  G. Sugiyama, R. Calhoun, S. Chan, S. Chin, M. Leach, R. Lee, J. Leone, J. Shinn, “Performance of a Scalable Version of a Nonhydrostatic Atmospheric Model, DOD High Performance Computing Modernization Program Users Group Conference, Biloxi, MI, June 18-21, UCRL JC-142797, 2001.

C18. M. Brown, M. Leach, J. Reisner, R. Calhoun, D. Stevens, S. Smith, S. Chin, R. Lee, “Multiscale modeling of air flow in Salt Lake City and the Surrounding Rregion”, ASCE Structures Congress, Special Session in Fluid Mechanics, 2001.

C17.  R. Calhoun, S. Chan, R. Lee, J. Leone, Jr., J. Shinn, D. Stevens, “Dispersion around a complex building: numerical and experimental comparisons”, Fourth Annual GMU Transport and Dispersion Modeling Workshop, Fairfax, VA, 11-13, July 2000.

C16.  R. Calhoun, S. Chan, R. Lee, J. Leone, Jr., J. Shinn, D. Stevens, “Flow and dispersion around a complex building, a model validation study”, Conference on the Application of Air Pollution Meteorology, 9-14, 2000, Long Beach, CA.

C15. R. Calhoun, R. Cederwall, and R. Street, “Turbulence structure and implications for dispersion:  Insights from large-eddy simulations”, Conference on the Application of Air Pollution Meteorology, 9-14, 2000, Long Beach, CA.

C14.  R. Calhoun, R Cederwall, D. Stevens, R. Street, “Highly-resolved LES of the stable boundary layer over terrain”, 14th Symposium on Boundary Layers and Turbulence, Aspen, CO, August 1, 2000.

C13.  R. Calhoun, S. Chan, R. Lee, J. Leone, J. Shinn, D. Stevens, “LES and RANS model evaluations of flow around a complex building”, 3rd Symposium on the Urban Environment, Davis, CA, August 14-18, 2000.

C12.  R. Lee, R. Calhoun, S. Chan, J. Leone, D. Stevens, “Urban dispersion CFD modeling, fact or fiction?”, 3rd Symposium on the Urban Environment, Davis, CA, August 14-18, 2000.

C11.  D. Stevens, R. Calhoun, S. Chan, R. Lee, J. Leone, J Shinn, “Building scale simulations in support of field experiments around Salt Lake City”, 3rd Symposium on the Urban Environment, Davis, CA, August 1, 2000.

C10.  D. Stevens, R. Calhoun, S. Chan, R. Lee “Evaluation of boundary conditions for modeling urban boundary layers”, 14th Symposium on Boundary Layers and Turbulence, Aspen, CO, August 1, 2000.

C9.  E. Zedler, R. Calhoun, and R. Street, “Large-eddy simulation of sediment transport over a wavy bedform,” Fall Meeting, AGU, San Francisco, December, 1999.

C8.  L. Ding, R. Calhoun, and R. Street, “Numerical simulation of stratified flow over a three-dimensional hill,” Fall Meeting, AGU, San Francisco, December, 1999.

C7.  R. Lee, R. Calhoun, S. Chan, J. Leone, D. Stevens, “Building-scale chem-bio dispersion modeling for single to few building complexes”, Chemical and Biological Nonproliferation Program Annual Meeting, Washington, D.C., July 22, 1999.

C6.  F. Ludwig, R. Calhoun, R. Cederwall, and R. Street, “Evaluation of Vector Interpolation Methods for Use with Atmospheric Boundary Layer Observations and Simulations,” 13th Symposium on Boundary Layer Turbulence, Dallas, Texas, 1999.

C5.  R. Calhoun and R. Street, “Vortical structures in flow over topography: an LES at laboratory-scale”, 13th Symposium on Boundary Layer and Turbulence Conference, Dallas, Texas, Jan. 1999.

C4.  R. Calhoun and R. Street, 1998, “Patterns on a free surface caused by underwater topography:  a laboratory-scale study”, Earth Surface Remote Sensing II, Proc. SPIE Vol. 3496, 228-238.

C3.  L. Yuan, R. Calhoun, and R. Street, “Application of Domain Decomposition: A Tale of Two CFD Codes,” 10th International Conference on Domain Decomposition Methods, Boulder, CO, August 1997.

C2.  R. Calhoun and R. Street, “A Comparison of Turbulent Flow over Two- and Three-Dimensional Sinusoidal Terrain,” 12th Symposium on Boundary Layers and Turbulence, Vancouver, B.C., July, 1997.

C1.  R. Calhoun and R. Street, “Turbulent Flow over Sinusoidal Topography,” Fall Meeting, AGU, San Francisco, December, 1996.

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