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Dissertations / Theses on the topic 'Weather Research and Forecasting WRF Model'

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1

Lou, Mei Meng. "Weather simulation in Macao using the Weather Research and Forecasting (WRF) Model." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b1943035.

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2

Shepherd, Tristan James. "A Numerical Modelling Study of Tropical Cyclone Sidr (2007): Sensitivity Experiments Using the Weather Research and Forecasting (WRF) Model." Thesis, University of Canterbury. Geography, 2008. http://hdl.handle.net/10092/2611.

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The tropical cyclone is a majestic, yet violent atmospheric weather system occurring over tropical waters. Their majesty evolves from the significant range of spatial scales they operate over: from the mesoscale, to the larger synoptic-scale. Their associated violent winds and seas, however, are often the cause of damage and destruction for settlements in their path. Between 10/11/07 and 16/11/07, tropical cyclone Sidr formed and intensified into a category 5 hurricane over the southeast tropical waters of the northern Indian Ocean. Sidr tracked west, then north, during the course of its life,
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3

Haines, Wesley Adam. "Acceleration of the Weather Research & Forecasting (WRF) Model using OpenACC and Case Study of the August 2012 Great Arctic Cyclone." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1373472482.

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4

Gaines, Mitchell. "Application of the Weather Research and Forecasting (WRF) Model to Simulate a Squall Line: Implications of Choosing Parameterization Scheme Combinations and Model Initialization Data Sets." TopSCHOLAR®, 2012. http://digitalcommons.wku.edu/theses/1181.

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On January 29-30, 2008 a squall line of thunderstorms moved through the Ohio Valley resulting in four deaths and one injury. Such events highlight the importance of accurate forecasting for public safety. Mesoscale Modeling plays an important role in any forecast of a potential squall line. The focus of this study was to examine the performance of several parameterization scheme combinations in the Weather Research and Forecasting Model version three (WRF) as they related to this event. These examinations included cloud microphysics (WRF Single-Moment 3-class, 6-class, and Goddard), cumulus pa
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5

Johansson, Sara. "Coupling of the Weather Research and Forecasting model (WRF) with the Community Multiscale Air Qualitymodel (CMAQ), and analysing the forecasted ozone and nitrogendioxide concentrations." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-303924.

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Air quality forecasts are of great value since several pollutants in our environment effect both human health, global climate, vegetation, crop yields, animals, materials and acidification of forests and lakes. Air-quality forecasts help to make people aware of the presence and the quantity of pollutants, and give them a chance to protect themselves, their business and the Earth. Many different air-quality models are in daily use all over the world, providing citizens with forecasts of air quality and warnings of unhealthy air quality if recommended highest concentrations are exceeded. This st
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6

Schmid, Christina [Verfasser], Thomas [Akademischer Betreuer] Mölg, and Thomas [Gutachter] Mölg. "Implementierung eines Schneedriftmoduls in das Weather Research and Forecasting (WRF) Modell und eine erste Evaluation / Christina Schmid ; Gutachter: Thomas Mölg ; Betreuer: Thomas Mölg." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://nbn-resolving.de/urn:nbn:de:bvb:29-opus4-172361.

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7

García, León Manuel. "Coastal risk forecast system : fostering proactive management at the Catalan coast." Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/669662.

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The action of sea storms is one of the most complex littoral processes with deep management implications. Along the Catalan shoreline which is about 700 km long, 190 km are subject to erosion and/or flooding. Around one million people live in areas potentially affected. Sea Level Rise could exacerbate this problem in the near future. Reactive interventions have been the norm in coastal engineering and management. This dissertation proposes a pre-storm strategy that foster cost-effective eco-compatible measures, termed Quick Defence Measures (QDM). Pre-storm intervention requires to forecast th
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8

Ryerson, William R. "Evaluation of the AFWA WRF 4-km moving nest model predictions for Western North Pacific tropical cyclones." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Mar%5FRyerson.pdf.

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9

Bruno, Jack H. "Evaluating the Weather Research and Forecasting Model Fidelity for Forecasting Lake Breezes." Ohio University Honors Tutorial College / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1556189524538244.

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10

Nissan, Hannah. "Modelling rainfall erosivity using the Weather Research and Forecasting model." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24681.

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Soil erosion is a serious threat to agricultural productivity and the sustainable provision of food to a growing world population. Current erosion models employ simplistic treatments of rainfall. This thesis presents a new approach to erosion modelling, using the Weather Research and Forecasting model to simulate rainfall erosivity, an indicator of the erosive capacity of rain. Rainfall erosivity is modelled in the Caucasus region, an area vulnerable to erosion and climate change pressures. Low intensity rainfall (below 2 mmhr^{-1}) is found to contribute significantly to erosivity (23%), cont
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11

Montornès, Torrecillas Alex. "A study of the shortwave schemes in the Weather Research and Forecasting model." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/401501.

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The radiative transfer cannot be explicitly resolved in the atmospheric models for two reasons: i) a full treatment of the radiative transfer equation (RTE) requires a high amount of computational resources and ii) the radiative transfer fields such as the optical thickness are not a direct solution of the Euler equations and hence, they must be parameterized as a function of the meteorological fields. Consequently, the physical processes related with radiation are simplified and approximated in physical schemes. In the particular case of the solar radiation, the use of these parameterizati
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12

Bender, Fabiani Denise. "Verificação da previsão do tempo em São Paulo com o modelo operacional WRF." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/14/14133/tde-19122012-120128/.

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Este estudo tem como objetivo a verificação das previsões diárias, das temperaturas máxima e mínima e precipitação acumulada, realizadas pelo modelo operacional de previsão numérica do tempo WRF (Weather Research Forecasting) para o estado de São Paulo. As condições iniciais e de fronteira fornecidas pela análise e previsão das 00UTC do modelo Global Forecast System (GFS), são usados no processamento do WRF, para previsões de 72 horas, em duas grades aninhadas (espaçamentos horizontais de grade de 50 km, D1, e 16,6 km, D2). O período avaliado foi de abril de 2010 a março de 2011. As comparaçõe
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13

Smallman, Thomas Luke. "Atmospheric profiles of CO₂ as integrators of regional scale exchange." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/8886.

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The global climate is changing due to the accumulation of greenhouse gases (GHGs) in the atmosphere, primarily due to anthropogenic activity. The dominant GHG is CO₂ which originates from combustion of fossil fuels, land use change and management. The terrestrial biosphere is a key driver of climate and biogeochemical cycles at regional and global scales. Furthermore, the response of the Earth system to future drivers of climate change will depend on feedbacks between biogeochemistry and climate. Therefore, understanding these processes requires a mechanistic approach in any model simulation f
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14

Sjöberg, Ludvig. "Wind Forecasts Using Large Eddy Simulations for Stratospheric Balloon Applications." Thesis, Luleå tekniska universitet, Rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-74457.

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The launch of large stratospheric balloons is highly dependant on the meteorological conditions at ground level, including wind speed. The balloon launch base Esrange Space Center in northern Sweden currently uses forecasts delivered through the Swedish Meteorological and Hydrological Institute to predict opportunities for balloon launches. However the staff at Esrange Space Center experience that the current forecasts are not accurate enough. For that reason the Weather Research and Forecasting model is used to improve the forecast. The model performs a Large Eddy Simulation over the area clo
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15

Rodgers, William N. "Land Cover Change and its Impacts on a Flash Flood-Producing Rain Event in Eastern Kentucky." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1363.

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Eastern Kentucky is a 35-county region that is a part of the Cumberland Plateau of the Appalachian Mountains. With mountaintop removal and associated land cover change (LCC) (primarily deforestation), it is hypothesized that there would be changes in various atmospheric boundary layer parameters and precipitation. In this research, we have conducted sensitivity experiments of atmospheric response of a significant flash flood-producing rainfall event by modifying land cover and topography. These reflect recent LCC, including mountaintop removal (MTR). We have used the Weather Research and Forec
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16

"Weather Research and Forecasting (WRF) Model Simulations of the Impacts of Large Wind Farms on Regional Climate." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.38664.

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abstract: This research work uses the Weather Research and Forecasting Model to study the effect of large wind farms with an area of 900 square kilometers and a high power density of 7.58 W/m2 on regional climate. Simulations were performed with a wind farm parameterization scheme turned on in south Oregon. Control cases were also run with the parameterization scheme turned off. The primary emphasis was on offshore wind farms. Some analysis on onshore wind farms was also performed. The effects of these wind farms were studied on the vertical profiles of temperature, wind speed, and moisture as
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17

Hu, Xiaoming. "Incorporation of the Model of Aerosol Dynamics, Reaction, Ionization, and Dissolution (MADRID) into the Weather Research and Forecasting model with Chemistry (WRF/Chem) model development and retrospective applications /." 2008. http://www.lib.ncsu.edu/theses/available/etd-06102008-130106/unrestricted/etd.pdf.

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18

Shepherd, Tristan J. "A numerical modelling study of tropical cyclone Sidr (2007) : sensitivity experiments using the Weather Research and Forecasting (WRF) model : a thesis submitted in fulfilment of the requirements for the degree of Master of Science in Geography in the University of Canterbury /." 2008. http://hdl.handle.net/10092/2611.

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19

Sahany, Sandeep. "Fine-Scale Structure Of Diurnal Variations Of Indian Monsoon Rainfall : Observational Analysis And Numerical Modeling." Thesis, 2009. https://etd.iisc.ac.in/handle/2005/980.

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In the current study, we have presented a systematic analysis of the diurnal cycle of rainfall over the Indian region using satellite observations, and evaluated the ability of the Weather Research and Forecasting Model (WRF) to simulate some of the salient features of the observed diurnal characteristics of rainfall. Using high resolution simulations, we also investigate the underlying mechanisms of some of the observed diurnal signatures of rainfall. Using the Tropical Rain-fall Measuring Mission (TRMM) 3-hourly, 0.25 ×0.25 degree 3B42 rainfall product for nine years (1999-2007), we extract
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20

Sahany, Sandeep. "Fine-Scale Structure Of Diurnal Variations Of Indian Monsoon Rainfall : Observational Analysis And Numerical Modeling." Thesis, 2009. http://hdl.handle.net/2005/980.

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In the current study, we have presented a systematic analysis of the diurnal cycle of rainfall over the Indian region using satellite observations, and evaluated the ability of the Weather Research and Forecasting Model (WRF) to simulate some of the salient features of the observed diurnal characteristics of rainfall. Using high resolution simulations, we also investigate the underlying mechanisms of some of the observed diurnal signatures of rainfall. Using the Tropical Rain-fall Measuring Mission (TRMM) 3-hourly, 0.25 ×0.25 degree 3B42 rainfall product for nine years (1999-2007), we extract
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21

Werner, David. "Quantifying the Shadow Effect between Offshore Wind Farms with Idealized Mesoscale Models and Observed Wind Data." Thesis, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-304737.

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Two post processing methods for quantifying the shadow effect of the offshore wind farm Princes Amalia (PA) onto Egmond aan Zee (OWEZ) wind farm are analyzed and benchmarked. The first method is the author’s proposed shadow effect determination method (SEDM), which quantifies an offshore wind farm’s shadow effect based on mesoscale WRF (Weather Research Forecast) idealized modeling and the observed frequency of the analyzed site’s wind conditions. The Fitch turbine parametrization scheme and Mellor-Yamada-Nakanishi-Niino (MYNN) surface layer and planetary boundary layer (PBL) schemes were used
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22

Lighezzolo, Rafael Andrés. "Integración de modelos numéricos de predicción meteorológica en sistemas de alerta temprana a emergencias." Master's thesis, 2014. http://hdl.handle.net/11086/11521.

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En esta tesis se aborda la puesta operativa del modelo numérico acoplado de predicción meteorológica Global Forecast System - Weather Research and Forecasting (GFS-WRF), con el objetivo de satisfacer la necesidad de contar con datos de predicción meteorológica, para ser utilizados en sistemas de alerta temprana a emergencias desarrollados dentro de la CONAE, y para potenciales usuarios externos. La automatización completa de los procesos involucrados culmina en la publicación diaria de los datos generados en un servidor web. Se ofrece la opción de descarga en distintos formatos comúnmente util
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23

Imran, Hosen M. "The Urban Heat Island of Melbourne during Heatwaves: Impacts of Future Urban Expansion and Effectiveness of Green Infrastructure as Mitigation Strategies." Thesis, 2018. https://vuir.vu.edu.au/43345/.

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The city of Melbourne in southeast Australia experiences an Urban Heat Island (UHI) effect, which is exacerbated during heatwaves, and the latter are becoming more frequent, intense and longer in southeast Australia. In addition, Melbourne is the fastest growing city in Australia. Therefore, it is urgent to understand the dynamics of UHI and impacts of future urban expansion on the UHI during heatwaves. Based on these issues, there is a crucial need to investigate the effectiveness of potential mitigation strategies to minimize UHI effects during heatwaves. The overarching aim of the thesis is
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24

Bogenschutz, Peter A. Ruscher Paul. "Skill assessment and benefits on applying the new weather research and forecast model to national weather service forcast operations." 2004. http://etd.lib.fsu.edu/theses/available/etd-11122004-131729.

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Thesis (M.S.)--Florida State University, 2004.<br>Advisor: Dr. Paul Ruscher, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page (viewed Jan. 12, 2005). Includes bibliographical references.
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25

Zhang, Xuejin. "Adapting the weather research and forecasting model for the simulation of regional climate in East Africa." 2007. http://www.lib.ncsu.edu/theses/available/etd-01042007-023704/unrestricted/etd.pdf.

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26

Yeh, Chien-Wei, and 葉建偉. "Combining Weather Research and Forecasting with Advanced Circulation Model for Simulation of Storm Surge Level around Taiwan." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/50386499857469475272.

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碩士<br>國立臺灣大學<br>生物環境系統工程學研究所<br>100<br>Recently flood disasters increase due to the frequent extreme rainfall conditions. The violent typhoon not only bring heavy rainfall but also cause water level rising which result in the risk of flooding. Flood prevention agencies often rely on a flood warning system on storm surge forecasting for decision making in the emergency response. Therefore, it is important to provide accurate weather data, such as air pressures and wind velocities, for the simulation of storm surge modeling. The Weather Research and Forecasting Model (WRF) and Advanced Circulati
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27

Singhai, Priyanshi. "Short to Medium Range Forecasting Skills of the GFS Model." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4486.

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The reliable prediction of the South Asian monsoon rainfall and its variability is crucial for various hydrological applications and early warning systems. This study analyzes Global Fore- cast System (GFS) model generated high-resolution precipitation forecast over the South-Asian region during June-September 2012. This work delineates the error characteristics of the model over land and ocean; how forecast errors vary at different hours of the day; the skill of the model in active and break cycle and clustering of the precipitation events. This study shows that forecast errors are much
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28

(9515447), Anamika Shreevastava. "Spatio-temporal characterization of fractal intra-Urban Heat Islets." Thesis, 2020.

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<div><br></div><div>Extreme heat is one of the deadliest health hazards that is projected to increase in intensity and persistence in the near future. Temperatures are further exacerbated in the urban areas due to the Urban Heat Island (UHI) effect resulting in increased heat-related mortality and morbidity. However, the spatial distribution of urban temperatures is highly heterogeneous. As a result, metrics such as UHI Intensity that quantify the difference between the average urban and non-urban air temperatures, often fail to characterize this spatial and temporal heterogeneity. My objectiv
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