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Estimation Of Total Precipitable Water Vapour An Empirical Model Approach
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Book Synopsis Estimation of Total Precipitable Water Vapour: An Empirical Model Approach by : Makama Ezekiel Kaura & Lim Hwee San
Download or read book Estimation of Total Precipitable Water Vapour: An Empirical Model Approach written by Makama Ezekiel Kaura & Lim Hwee San and published by Penerbit USM. This book was released on 2021-12-08 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book essentially covers: Temporal and spatial distribution of total precipitable water (TPW), derived from ATOVS measurements and radiosonde profiling across different geographical regions and climatic seasons in Peninsular Malaysia. Distribution of TPW at different altitudes (atmospheric layers) namely upper, lower and middle layers. Computation of empirical models correlating TPW at middle and higher atmospheric layers with that of the lower layer in order to establish possible interlayer correlation. Development of models to estimate/predict layered (lower, middle and upper) and TPW using precipitable water obtained from ATOVS satellite data and surface meteorological data (temperature, pressure and relative humidity). Development and comparison of artificial neural networks (ANN) models with the multiple linear regression (MLR) models. Contrasting precipitable water data from ATOVS with radiosonde observations, portrays the former as suitable for studies on TPW. The two sources of water vapour profiles agreed reasonably well, both seasonally and spatially across the different geographical regions and climatic seasons in Peninsular Malaysia. The developed MLR based models provide excellent predictive capabilities with seasonal and spatial dependency, especially during the northeast monsoon and northwards across Peninsular Malaysia.
Book Synopsis Estimation of Water Vapor Profiles from Total Precipitable Water by : Alan E. Lipton
Download or read book Estimation of Water Vapor Profiles from Total Precipitable Water written by Alan E. Lipton and published by . This book was released on 1983 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method is described for converting a value of total precipitable water into an approximate mixing ratio profile. Mixing ratios are provided at the six radiosonde mandatory reporting levels. The method uses an approximation based on the empirical orthogonal functions (EOF's) of mixing ratio profiles. The approximate profile depends on the precipitable water, latitude, and time of year at the site of interest.
Book Synopsis The Estimation of Precipitable Water Vapour from GPS Measurements in South Africa by : R. T. Wonnacott
Download or read book The Estimation of Precipitable Water Vapour from GPS Measurements in South Africa written by R. T. Wonnacott and published by . This book was released on 2005 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction To Solar Radiation by : Muhammad Iqbal
Download or read book An Introduction To Solar Radiation written by Muhammad Iqbal and published by Elsevier. This book was released on 2012-12-02 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Introduction to Solar Radiation is an introductory text on solar radiation, with emphasis on the methods of calculation for determining the amount of solar radiation incident on a surface on the earth. Topics covered include the astronomical relationship between the sun and the earth; thermal radiation; the solar constant and its spectral distribution; and extraterrestrial solar irradiation. This book is comprised of 12 chapters and begins with an overview of the trigonometric relationships between the sun-earth line and the position of an inclined surface, followed by a discussion on the characteristics of blackbody radiation. The next chapter focuses on the solar constant and its spectral distribution, paying particular attention to extraterrestrial solar spectral irradiance and the sun's blackbody temperature. Subsequent chapters explore extraterrestrial and radiation incident on inclined planes; the optics of a cloudless-sky atmosphere; solar spectral radiation and total (broadband) radiation under cloudless skies; and solar radiation arriving at horizontal surfaces on the earth through cloudy skies. The ground albedo and its spectral and angular variation are also described, along with insolation on inclined surfaces. The last chapter is devoted to instruments for measuring solar radiation, including pyrheliometers and pyranometers. This monograph will serve as a useful guide for energy analysts, designers of thermal devices, architects and engineers, agronomists, and hydrologists as well as senior graduate students.
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 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781794171237 Total Pages :52 pages Book Rating :4.1/5 (712 download)
Book Synopsis Assessment of a Technique for Estimating Total Column Water Vapor Using Measurements of the Infrared Sky Temperature by : National Aeronautics and Space Adm Nasa
Download or read book Assessment of a Technique for Estimating Total Column Water Vapor Using Measurements of the Infrared Sky Temperature written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-16 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method for estimating the integrated precipitable water (IPW) content of the atmosphere using measurements of indicated infrared zenith sky temperature was validated over east-central Florida. The method uses inexpensive, commercial off the shelf, hand-held infrared thermometers (IRT). Two such IRTs were obtained from a commercial vendor, calibrated against several laboratory reference sources at KSC, and used to make IR zenith sky temperature measurements in the vicinity of KSC and Cape Canaveral Air Force Station (CCAFS). The calibration and comparison data showed that these inexpensive IRTs provided reliable, stable IR temperature measurements that were well correlated with the NOAA IPW observations. Merceret, Francis J. and Huddleston, Lisa L. Kennedy Space Center WBS 583749.42.07.04.01.11.01
Book Synopsis EOS Data Products Handbook by : Michael D. King
Download or read book EOS Data Products Handbook written by Michael D. King and published by . This book was released on 2003 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Description of the data products that will be produced from the named scientific missions.
Download or read book Geomorphometry written by Tomislav Hengl and published by Newnes. This book was released on 2008-09-25 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geomorphometry is the science of quantitative land-surface analysis. It draws upon mathematical, statistical, and image-processing techniques to quantify the shape of earth's topography at various spatial scales. The focus of geomorphometry is the calculation of surface-form measures (land-surface parameters) and features (objects), which may be used to improve the mapping and modelling of landforms to assist in the evaluation of soils, vegetation, land use, natural hazards, and other information. This book provides a practical guide to preparing Digital Elevation Models (DEM) for analysis and extracting land-surface parameters and objects from DEMs through a variety of software. It further offers detailed instructions on applying parameters and objects in soil, agricultural, environmental and earth sciences. This is a manual of state-of-the-art methods to serve the various researchers who use geomorphometry. Soil scientists will use this book to further learn the methods for classifying and measuring the chemical, biological, and fertility properties of soils and gain a further understaing of the role of soil as a natural resource. Geologists will find value in the instruction this book provides for measuring the physical features of the soil such as elevation, porosity, and structure which geologists use to predict natural disasters such as earthquakes, volcanoes, and flooding. * Technical details on a variety of software packages allow researchers to solve real-life mapping issues * Provides soil and agronomy researchers best practice techniques for soil data analysis to assist in enhanced land-use and planning * Offers geologists essential tactics for better environmental management by providing a comprehensive analysis of the physical features of soil * Companion website includes access to the latest technological advancements previously unpublished in any other comprehensive source: geomorphometry software, DEM data sources, and applications
Book Synopsis Estimation of Atmospheric Precipitable Water Using the Global Positioning System by : David A. Garay
Download or read book Estimation of Atmospheric Precipitable Water Using the Global Positioning System written by David A. Garay and published by . This book was released on 2002-03-01 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research focuses on using the Global Positioning System (GPS) for atmospheric precipitable water (PW) estimation. Water vapor, measured in terms of PW, plays a crucial role in atmospheric processes and short-term weather forecasting. Traditional methodologies for measuring atmospheric water vapor distributions have known inadequacies, resulting in the motivation to gain good water vapor characterization via GPS. The ability to accurately forecast cloud formation and other weather phenomenon is critical, especially in the case of military operations. Using a network of GPS receivers, it is possible to estimate precipitable water throughout the network region with better accuracy than traditional methods and on a more consistent near real-time basis. First, an investigation into the effects of introducing less accurate, near real-time GPS ephemerides was accomplished. Secondly, the network geometry and data availability were degraded to simulate potential military operational constraints. Finally, several interpolation methods were applied to quantify the ability to estimate the water vapor distribution over the entire network region with limited data availability and network geometry constraints. Results showed that International GPS Service (IGS) ultra-rapid orbits introduced minimal PW estimation error (Æ1-2mm) while maintaining near real-time capability. The degraded perimeter network also introduced minimal PW estimation error (Æ1-2 mm) at the included stations, indicating potential application in constrained data environments. However, the interpolation investigation showed an overall inability to determine PW distribution over the entire network region.
Book Synopsis Manual on Estimation of Probable Maximum Precipitation (PMP) by : World Meteorological Organization
Download or read book Manual on Estimation of Probable Maximum Precipitation (PMP) written by World Meteorological Organization and published by . This book was released on 2009 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: The manual describes procedure for estimating the maximum probable precipitation and the maximum probable flood. This is the third revised version. The first and second editions of this manual were published in 1973 and 1986, respectively. The current edition keeps a majority of the content from the second edition. Newly added content in this third edition primarily results from experiences, since 1986, in directly estimating PMP for the requirements of a given project in a design watershed on probable maximum flood (PMF) in China, the United States of America, Australia and India.--Publisher's description.
Book Synopsis On the Correlation of the Total Precipitable Water in a Vertical Column and Absolute Humidity at the Surface by : Earl E. Reber
Download or read book On the Correlation of the Total Precipitable Water in a Vertical Column and Absolute Humidity at the Surface written by Earl E. Reber and published by . This book was released on 1972 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relationship between the total precipitable water in the atmosphere, and surface absolute humidity has been examined for more than 1500 upper-level soundings. Total precipitable water and surface absolute humidity were computed for all of the upper-level soundings made in 1970 at San Nicolas Island, Point Mugu, and China Lake, California. The stations, separated by less than 200 mi, are representative of a maritime, a coastal, and a desert environment, respectively. The monthly correlation coefficients, ranging from -0.25 to +0.89, indicate that a direct but widely variable relationship exists between the total precipitable water and surface absolute humidity; however, these results also demonstrate that estimates of total precipitable water from surface humidity measurements are not valid. (Author).
Book Synopsis Global Warming by : L. D. Danny Harvey
Download or read book Global Warming written by L. D. Danny Harvey and published by Routledge. This book was released on 2018-10-08 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global Warming: The Hard Science presents a comprehensive, qualitatively rigorous, and critical discussion of the science underlying the global warming issue. The major processes in the climate system needed to understand projected human-induced climatic change are presented in detail. Observational systems used to monitor changes in the climate system and the ways in which the raw data are analyzed in order to produce estimates of current trends are also critically reviewed. The author discusses the hierarchy of computer models used to project changes in the carbon cycle, in climate, and in sea level and examines the physical principles underlying the greenhouse effect and projected warming. The text also presents a detailed discussion of the carbon cycle, of climate sensitivity, and of projected patterns of climatic change through time. Sea level rise and issues of risk and potential surprises are also critically assessed. Emphasis is placed throughout on developing an intuitive understanding of those results that do not depend on the details of any one computer simulation model. A series of boxes illustrate the key points through step-by-step calculations.
Book Synopsis Dynamics in GIscience by : Igor Ivan
Download or read book Dynamics in GIscience written by Igor Ivan and published by Springer. This book was released on 2017-08-23 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for researchers, practitioners and students who are interested in the current trends and want to make their GI applications and research dynamic. Time is the key element of contemporary GIS: mobile and wearable electronics, sensor networks, UAVs and other mobile snoopers, the IoT and many other resources produce a massive amount of data every minute, which is naturally located in space as well as in time. Time series data is transformed into almost (from the human perspective) continuous data streams, which require changes to the concept of spatial data recording, storage and manipulation. This book collects the latest innovative research presented at the GIS Ostrava 2017 conference held in 2017 in Ostrava, Czech Republic, under the auspices of EuroSDR and EuroGEO. The accepted papers cover various aspects of dynamics in GIscience, including spatiotemporal data analysis and modelling; spatial mobility data and trajectories; real-time geodata and real-time applications; dynamics in land use, land cover and urban development; visualisation of dynamics; open spatiotemporal data; crowdsourcing for spatiotemporal data and big spatiotemporal data.
Book Synopsis Practical Meteorology by : Roland Stull
Download or read book Practical Meteorology written by Roland Stull and published by Sundog Publishing, LLC. This book was released on 2018 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantitative introduction to atmospheric science for students and professionals who want to understand and apply basic meteorological concepts but who are not ready for calculus.
Book Synopsis Thermal Remote Sensing in Land Surface Processing by : Dale A. Quattrochi
Download or read book Thermal Remote Sensing in Land Surface Processing written by Dale A. Quattrochi and published by CRC Press. This book was released on 2004-04-14 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although remote sensing is recognized as a powerful tool, less attention has been given in the past to the use of thermal, and especially thermal infrared (TIR) remote sensing. TIR data is useful for understanding the fluxes and redistribution of materials as a key aspect of land surface processes and land-atmosphere inter-relationships. This book
Book Synopsis Astronomy and Astrophysics Abstracts by : S. Böhme
Download or read book Astronomy and Astrophysics Abstracts written by S. Böhme and published by Springer Science & Business Media. This book was released on 2013-12-14 with total page 787 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is devoted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documenta tion of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, compared to which our system of accumu lating abstracts for about six months offers the advantage of greater convenience for the user. Volume 31 contains literature published in 1982 and received before July 15, 1982; some older literature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, Prague, who surveyed journals and publications in Czech and supplied us with abstracts in English .
Download or read book Journal of Meteorology written by and published by . This book was released on 1976 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
