Now showing items 4321-4340 of 5116

    • An Interdisciplinary Field Study of the Energy and Water Fluxes in the Atmospheric-Biosphere System over Semiarid Rangelands: Description and Some Preliminary Results 

      Kustas, W. P.; Jackson, T. J.; Schmugge, T. J.; Parry, R.; Goodrich, D. C.; Amer, S. A.; Bach, L. B.; Keefer, T. O.; Weltz, M. A.; Moran, M. S.; Clarke, T. R.; Pinter, P. J.; Claassen, H.; Riggs, A. C.; Stannard, D. I.; Hipps, L. E.; Swiatek, E.; Blanford, J. H.; Shutko, A. M.; Doraiswamy, P. C.; Daughtry, C. S. T.; Perry, E. M.; Nichols, W. D.; Pinker, R. T.; Huete, A. R.; Qi, J.; van Leeuwen, J. D.; Humes, K. S.; Washburne, J.; Chehbouni, A.; Vidal, A.; Gellman, D. I.; Clements, W. E.; Grant, T. A.; Dubois, P.; van Zyl, J. (American Meteorological Society, 1991)
      Arid and semiarid rangelands comprise a significant portion of the earth's land surface. Yet little is known about the effects of temporal and spatial changes in surface soil moisture on the hydrologic cycle, energy balance, ...
    • Twenty Years of Airborne Research at the University of Washington 

      Hobbs, Peter V. (American Meteorological Society, 1991)
      Wherein is revealed the trials, tribulations, and triumphs of operating an aircraft for atmospheric research at a university over the past 20 years.
    • Drought Planning and State Government: Current Status 

      Wilhite, Donald A. (American Meteorological Society, 1991)
      Recent droughts, calls for action by regional, national, and international organizations, and the availability of model plans have stimulated considerable activity in the development of drought contingency plans by state ...
    • Multisensor Observation of an Atmospheric Undular Bore 

      Mahapatra, Pravas R.; Doviak, Richard J.; Zrnić, Dusan S. (American Meteorological Society, 1991)
      A detailed and unique multisensor observation of an undular bore is presented. The data include those from rawinsonde, satellite, two Doppler radars, and a tall instrumented tower. Noteworthy are Doppler radar images that ...
    • The Monsoon Year—A New Concept of the Climatic Year in the Tropics 

      Yasunari, Tetsuzo (American Meteorological Society, 1991)
      The concept of ?monsoon year? is proposed as a unit year of climatic anomalies (i.e., the climatic year) in the tropics. This monsoon year is defined as one year starting just before the northern summer monsoon season. It ...
    • On the Utility of Radiosonde Humidity Archives for Climate Studies 

      Elliott, William P.; Gaffen, Dian J. (American Meteorological Society, 1991)
      This paper considers the use of upper-air data from radiosondes in long-term climate studies. The accuracy and precision of radiosonde humidity measurements, including temperature and pressure measurements used in calculating ...
    • Shootout-89, A Comparative Evaluation of Knowledge-based Systems That Forecast Severe Weather 

      Moninger, W. R.; Lusk, C.; Roberts, W. F.; Bullas, J.; Lorenzis, Bde; McLeod, J. C.; Ellison, E.; Flueck, J.; Lampru, P. D.; Young, K. C.; Weaver, J.; Philips, R. S.; Shaw, R.; Stewart, T. R.; Zubrick, S. M. (American Meteorological Society, 1991)
      During the summer of 1989, the Forecast Systems Laboratory of the National Oceanic and Atmospheric Administration sponsored an evaluation of artificial-intelligence-based systems that forecast severe convective storms. The ...
    • Static Stability—An Update 

      Stull, Roland B. (American Meteorological Society, 1991)
      Static stability should not be evaluated from the local lapse rate. There is a growing body of observations, such as within portions of mixed layers and forest canopies, showing that the whole sounding should be considered ...
    • On the Potential of VHF Wind Profilers for Studying Convective Processes in the Tropics 

      Balsley, B. B.; Carter, D. A.; Riddle, A. C.; Ecklund, W. L.; Gage, K. S. (American Meteorological Society, 1991)
      In this paper we provide a set of examples to demonstrate the potential of VHF radar wind profilers for studying tropical convection processes. Our examples were extracted from data obtained from the NOAA/CU Pacific Profiler ...
    • The Equatorial Mesoscale Experiment (EMEX): An Overview 

      Webster, Peter J.; Houze, Robert A. (American Meteorological Society, 1991)
      During the Southern Hemisphere summer, an aircraft research program (EMEX: the Equatorial Monsoon Experiment) was conducted over the tropical ocean north of Australia to investigate the mesoscale convective systems in the ...
    • Legacy of the Seasat Mission for Studies of the Atmosphere and Air-Sea-Ice Interactions 

      Katsaros, Kristina B.; Brown, Robert A. (American Meteorological Society, 1991)
      The polar-orbiting satellite, Seasat, had been designed as an oceanographic satellite with little advance thought being given to atmospheric uses. However, the microwave instruments provided a rich source of data for ...
    • UNIWIPP: A University of Illinois Field Experiment to Investigate the Structure of Mesoscale Precipitation in Winter Storms 

      Ramamurthy, Mohan K.; Rauber, Robert M.; Collins, Brian P.; Shields, Michael T.; Kennedy, Patrick C.; Clark, Wallace L. (American Meteorological Society, 1991)
      To obtain a better understanding of the role of synoptic-scale disturbances in organizing masoscale precipitation in the midwestern United States during the winter season, and to address scientific issues regarding mesoscale ...
    • Weather Factors Affecting Rocket Operations: A Review and Case History 

      Kingwell, Jeff; Shimizu, Junichiro; Narita, Kaneaki; Kawabata, Hirofumi; Shimizu, Itsuro (American Meteorological Society, 1991)
      Many of the techniques employed for rocket meteorology??rocket-casting??have been adapted from aviation. However, the unique characteristics and requirements of rocketry demand special meteorological procedures and ...
    • The Third Phase of TESS 

      Phegley, L.; Crosiar, C. (American Meteorological Society, 1991)
      The U.S. Navy has developed the Tactical Environmental Support System, third generation, TESS(3), a computer workstation to provide environmental information for the Navy's tactical decision makers. With interfaces to ...
    • The Radiative Effects of Clouds and their Impact on Climate 

      Arking, Albert (American Meteorological Society, 1991)
      Our knowledge of the direct role of clouds in long-term climate change is examined in an overview of key results published over the last 15 or 20 years, along with some relevant unpublished model studies. The focus is on ...
    • Sources and Uses of Weather Information for Agricultural Decision Makers 

      McNew, Kevin P.; Mapp, Harry P.; Duchon, Claude E.; Merritt, Earl S. (American Meteorological Society, 1991)
      Numerous studies have examined the importance of weather information to farmers and ranchers across the U.S. This study is focused on the kinds of weather information received by farmers and ranchers, the sources of that ...
    • Illinois Precipitation Research: A Focus on Cloud and Precipitation Modification 

      Changnon, Stanley A.; Czys, Robert R.; Scott, Robert W.; Westcott, Nancy E. (American Meteorological Society, 1991)
      At the heart of the 40-year atmospheric research endeavors of the Illinois State Water Survey have been studies to understand precipitation processes in order to learn how precipitation is modified purposefully and ...
    • The U.S. Global Change Research Program: An Overview and Perspectives on the FY 1992 Program 

      Corell, Robert W. (American Meteorological Society, 1991)
      The U.S. Global Change Research Program (US/GCRP) represents an integrated, government-wide scientific effort designed to document, understand, and predict changes in the global environment as the foundation for national ...
    • Analysis of Global Cloud Imagery from Multiple Satellites 

      Salby, Murry L.; Hendon, Harry H.; Woodberry, Karen; Tanaka, Ken (American Meteorological Society, 1991)
      Synoptic images of the global cloud field have been created from infrared measurements taken aboard tour geostationary and two polar-orbiting platforms simultaneously observing the earth. A series of spatial and temporal ...