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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
281

Some computations of surface air trajectories over the oceanic tropics and accompanying weather

Taylor, Ronald Charles January 1968 (has links)
Typescript. / Bibliographical references included in "Notes and references" (leaves [147]-162) / xiv, 162 l illus., tables
282

Improving hydrometeorologic numerical weather prediction forecast value via bias correction and ensemble analysis

McCollor, Douglas 11 1900 (has links)
This dissertation describes research designed to enhance hydrometeorological forecasts. The objective of the research is to deliver an optimal methodology to produce reliable, skillful and economically valuable probabilistic temperature and precipitation forecasts. Weather plays a dominant role for energy companies relying on forecasts of watershed precipitation and temperature to drive reservoir models, and forecasts of temperatures to meet energy demand requirements. Extraordinary precipitation events and temperature extremes involve consequential water- and power-management decisions. This research compared weighted-average, recursive, and model output statistics bias-correction methods and determined optimal window-length to calibrate temperature and precipitation forecasts. The research evaluated seven different methods for daily maximum and minimum temperature forecasts, and three different methods for daily quantitative precipitation forecasts, within a region of complex terrain in southwestern British Columbia, Canada. This research then examined ensemble prediction system design by assessing a three-model suite of multi-resolution limited area mesoscale models. The research employed two different economic models to investigate the ensemble design that produced the highest-quality, most valuable forecasts. The best post-processing methods for temperature forecasts included moving-weighted average methods and a Kalman filter method. The optimal window-length proved to be 14 days. The best post-processing methods for achieving mass balance in quantitative precipitation forecasts were a moving-average method and the best easy systematic estimator method. The optimal window-length for moving-average quantitative precipitation forecasts was 40 days. The best ensemble configuration incorporated all resolution members from all three models. A cost/loss model adapted specifically for the hydro-electric energy sector indicated that operators managing rainfall-dominated, high-head reservoirs should lower their reservoir with relatively low probabilities of forecast precipitation. A reservoir-operation model based on decision theory and variable energy pricing showed that applying an ensemble-average or full-ensemble precipitation forecast provided a much greater profit than using only a single deterministic high-resolution forecast. Finally, a bias-corrected super-ensemble prediction system was designed to produce probabilistic temperature forecasts for ten cities in western North America. The system exhibited skill and value nine days into the future when using the ensemble average, and 12 days into the future when employing the full ensemble forecast.
283

Using ensemble data assimilation for predictability and dynamics /

Torn, Ryan. January 2007 (has links)
Thesis (Ph. D.)--University of Washington, 2007. / Vita. Includes bibliographical references (p. 173-185).
284

Volkskundliches in den romanischen Wetterregeln

Knapp, Elisabeth, January 1939 (has links)
Thesis (Ph. D.)--Eberhard-Karls-Universität zu Tübingen, 1939. / Vita. Includes bibliographical references (p. xii-xviii).
285

Evaluation of COAMPS Forecasting performance of along coast wind events during frontal passages /

James, Carl Sim. January 2005 (has links) (PDF)
Thesis (M.S. in Meteorology and Physical Oceanography)--Naval Postgraduate School, March 2005. / Thesis Advisor(s): Wendell A Nuss. Includes bibliographical references (p. 61-62). Also available online.
286

Warm season mesoscale superensemble precipitation forecasts

Cartwright, Tina Johnson. Krishnamurti, T. N. January 2004 (has links)
Thesis (Ph. D.)--Florida State University, 2004. / Advisor: Dr. T.N. Krishnamurti, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page (viewed Jan. 14, 2005). Includes bibliographical references.
287

Establishment of the South African baseline surface radiation network station at De Aar

Esterhuyse, Daniel Johannes. January 2004 (has links)
Thesis (M.Sc.)(Meteorology)--University of Pretoria, 2004. / Title from opening screen (viewed March 11th, 2005). Summaries in Afrikaans and English. Includes bibliographical references.
288

Hurricane surface wind model for risk management

Axe, Lizabeth Marie. Krishnamurti, T. N. January 2004 (has links)
Thesis (M.S.)--Florida State University, 2004. / Advisor: Dr. T.N. Krishnamurti, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page (viewed Aug. 26, 2004). Includes bibliographical references.
289

An investigation of polynomial filtering of vertical wind profiles and the objective computation of kinematic divergence and vertical motion

Schmidt, Phillip James, January 1965 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1965. / eContent provider-neutral record in process. Description based on print version record. Bibliography: l. 80.
290

The link between daily rainfall and satellite radar backscatter data from the ERS-2 scatterometer in the Free State Province, South Africa

Boon, Dirk Francois. January 2007 (has links)
Geography, Geo-Informatics and Meteorology))--Universiteit of Pretoria, 2007. / Abstract in English. Includes bibliographical references.

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