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Validation Of A Surface Layer Windflow Model Using Climatology And Meteorological Tower Data From Vandenberg Afb California
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Book Synopsis Validation of a Surface-layer Windflow Model Using Climatology and Meteorological Tower Data from Vandenberg AFB, California by : John M. Lanicci
Download or read book Validation of a Surface-layer Windflow Model Using Climatology and Meteorological Tower Data from Vandenberg AFB, California written by John M. Lanicci and published by . This book was released on 1986 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the 2nd phase of a study involving a surface-layer windflow model. The model produces a two-dimensional (x-y plane) variational analysis of windflow by employing Gauss' principle of least constraints to adjust an initial windfield to effects of topography, stability, momentum advection, and mass conservation. It used detailed terrain data (100 to 200 m horizontal resolution) to compensate for sparse meteorological data available over the small areas for which the model is run (25 to 250 sq km). The first phase involved testing of the model to effects of stability and vegetation using terrain, vegetation, and climate for Ft. Polk, LA. The 2nd phase involves further model development, including changes in meteorological data input as well as changes in wind and stability initializations. Model experiments using artificially-produced terrain were conducted to test these changes. A two-part model validation was then performed using climate data and archived meteorological tower data from Vandenberg AFB, California. The area of interest is 11 x 12 km, and covers the South Vandenberg Launch Complex.
Book Synopsis A Prototype Windflow Modeling System for Tactical Weather Support Operations by : John M. Lanicci
Download or read book A Prototype Windflow Modeling System for Tactical Weather Support Operations written by John M. Lanicci and published by . This book was released on 1987 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the culmination of a three-year development and testing effort on a two-dimensional (x-y plane) surface-layer windflow model for complex terrain. The model was acquired from the U.S. Army Atmospheric Sciences Laboratory (ASL) at White Sands, New Mexico in 1984. The version of the model described in this report has been adapted to run using real time data on both the Zenith-100 and IBM-compatible Zenith-248 computers. The model accepts input of a single surface observation (or forecast) of wind, temperature, and cloud cover, and uses this information along with terrain information and the date/time to diagnose the surface-layer stability. The model then performs a variational analysis of the windfield, adjusting the winds through a relaxation technique until the windfield conforms to effects of topography, stability, ambient flow conditions, and mass continuity. The model is designed to produce high-resolution wind analyses, typically running on domains on the order of 10 X 10 km, with horizontal grid spacing of 100 to 200 m. We present an overview of potential military and nonmilitary uses for the model, and describe the relevant physics and computer architecture of the model and its two utility plotting routines. A user's guide, included here as Section 4, is primarily aimed at providing operational users such as forecasters some guidelines for using the model and interpreting the output. Finally, we present the results of an operational test of the model in support of Army Special Forces operations at Ft. Devens, Massachusetts. The test results illustrate the model's potential as a tactical weather support tool for low-level aviation and paradrop activities.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1987 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis WADOCT--an Atmospheric Dispersion Model for Complex Terrain by : Bruce A. Kunkel
Download or read book WADOCT--an Atmospheric Dispersion Model for Complex Terrain written by Bruce A. Kunkel and published by . This book was released on 1990 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Air Pollution Modeling and Its Application VII by : Han Van Dop
Download or read book Air Pollution Modeling and Its Application VII written by Han Van Dop and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air pollution remains a major environmental issue despite many years of study and much legislative control. In rec~nt times, pollution on a global scale has become of particular concern. The gradually changing con centration of trace gases in the global troposphere due to man's activity is becomming a matter of serious concern. No scientist would dare to pre dict in detail the consequences of this gradual change due to its immense complexity involving social and economic factors and near countless chemical and phjsical cycles in our biosphere. In this chain of processes, the transport of pollution is an important factor, but only a factor. Therefore, I would like to emphasize that the mOdelling of atmospheric transport is becoming more and more an activity which fits into larger frameworks and can no longer be exercised as a single step, which bridges the gap between emissions and policy measures. This is also reflected in the topics and papers which were presented at this conference. The topics were: - emission invetories for and source treatment in air pollution dispersion models; - modelling of accidental releases; - regional and global scale dispersion mOdelling; including boundary layer-free troposphere exchange processes and subgrid scale parameter isations; - model verification and policy implications; - new developments in dispersion modelling and theory. 56 papers were presented in these sections. While many posters were dis cussed in a special session.
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1993-12 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1993-10 with total page 1146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Meteorological and Geoastrophysical Abstracts by :
Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1987 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1987-07 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1987 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mesoscale Modeling of the Atmosphere by : Roger Pielke
Download or read book Mesoscale Modeling of the Atmosphere written by Roger Pielke and published by Springer. This book was released on 2015-03-30 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of several components of mesoscale modeling: boundary conditions, subgrid-scale parameterization, moisture processes, and radiation. Also included are mesoscale model comparisons using data from the U.S. Army's Project WIND (Winds in Non-uniform Domains).
Book Synopsis Climatology and Analysis of the Monterey Bay Sea Breeze by : Robert D. Round
Download or read book Climatology and Analysis of the Monterey Bay Sea Breeze written by Robert D. Round and published by . This book was released on 1993 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sea breeze events on the Monterey Bay are examined from a single station at the mouth of the Salinas Valley. Data analyzed are continuous, two- minute meteorological samples of windspeed, wind direction, temperature, dew point, incoming shortwave irradiance, and incoming longwave irradiance. A speed index is defined using the average hourly maximum and minimum windspeeds oriented in the cross-shore direction thereby reflecting the thermally induced diurnal windspeed enhancement. Large-scale effects on this mesoscale circulation are presented through evaluation of changes in boundary layer depth with changes in speed index. Changes in boundary layer depth as reflected in trends of inland stratus penetration and offshore flow provide insight for anticipating sea breeze intensity.
Book Synopsis The U.S. Weather Bureau-Sandia Corporation Co-operative Project in Climatology by : B. N. Charles
Download or read book The U.S. Weather Bureau-Sandia Corporation Co-operative Project in Climatology written by B. N. Charles and published by . This book was released on 1957 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a final report on computations of upper-wind statistics conducted as a co-operative effort of the U.S. Weather Bureau Office of Climatology and Sandia Corporation Department 5120. It describes the statistical parameters computed from the basic data, which consisted of each daily 1500Z wind during a 5-year period at 13 pressure levels (from 950 to 30 mb) at 51 (mostly North American) stations.
Book Synopsis Additional Note, Strong Vertical Wind Profiles and Upper Level Maximum Wind Speeds Over Vandenberg Air Force Base by : H. A. Salmela
Download or read book Additional Note, Strong Vertical Wind Profiles and Upper Level Maximum Wind Speeds Over Vandenberg Air Force Base written by H. A. Salmela and published by . This book was released on 1960 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 91-0434 - 91-0470 written by and published by . This book was released on 1991 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Studies of Wind and Thermohaline Forcing on the California Current System by : Philip W. Vance
Download or read book Modeling Studies of Wind and Thermohaline Forcing on the California Current System written by Philip W. Vance and published by . This book was released on 1997-06-01 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high-resolution, multi-level, primitive equation model is initialized with climatological data to study the combined effects of wind and thermohaline forcing on the ocean circulation of the California Current System (CCS). The ocean circulation is generated by the model using a combination of climatological wind stress and thermohaline forcing. In the first experiment, the effects of thermohaline forcing alone are evaluated, in the second experiment, previously conducted, the effects of wind forcing are isolated, while in the third experiment, the combined effects of wind and thermohaline forcing are looked at. The results from the combined experiment show that even though the effects of wind forcing dominate the CCS, the additional effects of the thermohaline forcing results in the following: the seasonal development of a poleward surface current and an equatorward undercurrent in the poleward end of the model region; an onshore geostrophic component, which results in a temperature front and stronger surface and subsurface currents between Cape Mendocino and Point Arena; and a region of maximum eddy kinetic energy inshore of tilde 125 deg W between Cape Mendocino and Point Arena, associated with the temperature front. These model simulations are qualitatively similar to recent hydrographic, altimetric, drifter, and moored observations of the CCS.
