Modeling Optical Turbulence with COAMPS During Two Observation Periods at Vandenberg AFB


Book Description

The objective of this thesis is to investigate the forecastability of optical turbulence using the U.S. Navy's Coupled Ocean Atmosphere Mesoscale Prediction System (COAMPS). First, a detailed synoptic study was performed over the Eastern Pacific region for observation periods in October 2001 and March 2002 to focus on mesoscale features affecting Vandenberg AFB. Second, a modified version of COAMPS version 2.0.16 model output was evaluated to ensure reasonable modeling of the mesoscale. Next, temperature and dewpoint temperature vertical profiles of COAMPS, modified with the Turbulent Kinetic Energy (TKE) Method, were compared with balloon-launched rawinsondes, initially, then with higher resolution thermosondes. Optical turbulence parameters were then calculated from the data and a comparison between synthetic profiles and thermosonde-derived profiles were qualitatively and quantitatively studied. Then the vertical resolution of the model was increased for selected forecasts to determine the potential for forecast improvement.




Air Weather Service


Book Description







General Jacob Devers


Book Description

A “solid and informative” biography of one of the overlooked heroes of the Second World War (Wall Street Journal). Of the leaders of the American Army in World War II, Jacob Devers is undoubtedly the “forgotten four-star.” Plucked from relative obscurity in the Canal Zone, Devers was one of four generals selected by General of the Army George Marshall in 1941 to assist him in preparing the Army for war. He quickly became known in Army circles for his “can do” attitude and remarkable ability to cut through red tape. Among other duties, he was instrumental in transforming Ft. Bragg, then a small Army post, into a major training facility. As head of the armored force, Devers contributed to the development of a faster, more heavily armored tank, equipped with a higher velocity gun that could stand up to the more powerful German tanks, and helped to turn American armor into an effective fighting force. In spring 1943, Devers replaced Dwight Eisenhower as commander of the European Theater of Operations, then was given command of the 6th Army Group that invaded the south of France and fought its way through France and Germany to the Austrian border. In the European campaign to defeat Hitler, Eisenhower had three subordinate army group commanders: British Field Marshall Bernard Montgomery, Omar S. Bradley, and Jacob Devers. The first two are well-known; here the third receives the attention he properly deserves.







Chemical Oceanography and the Marine Carbon Cycle


Book Description

The principles of chemical oceanography provide insight into the processes regulating the marine carbon cycle. The text offers a background in chemical oceanography and a description of how chemical elements in seawater and ocean sediments are used as tracers of physical, biological, chemical and geological processes in the ocean. The first seven chapters present basic topics of thermodynamics, isotope systematics and carbonate chemistry, and explain the influence of life on ocean chemistry and how it has evolved in the recent (glacial-interglacial) past. This is followed by topics essential to understanding the carbon cycle, including organic geochemistry, air-sea gas exchange, diffusion and reaction kinetics, the marine and atmosphere carbon cycle and diagenesis in marine sediments. Figures are available to download from www.cambridge.org/9780521833134. Ideal as a textbook for upper-level undergraduates and graduates in oceanography, environmental chemistry, geochemistry and earth science and a valuable reference for researchers in oceanography.







Southern Ocean Dynamics


Book Description




Wound Management and Healing


Book Description




The El Niño-Southern Oscillation Phenomenon


Book Description

Many climatic extremes around the globe, such as severe droughts and floods, can be attributed to the periodic warming of the equatorial Pacific sea surface, termed the El Niño or Southern Oscillation (ENSO). Advances in our understanding of ENSO, in which Edward S. Sarachik and Mark A. Cane have been key participants, have led to marked improvements in our ability to predict its development months or seasons, allowing adaptation to global impacts. This book introduces basic concepts and builds to more detailed theoretical treatments. Chapters on the structure and dynamics of the tropical ocean and atmosphere place ENSO in a broader observational and theoretical context. Chapters on ENSO prediction, past and future, and impacts, introduce broader implications of the phenomenon. This book provides an introduction to all aspects of this most important mode of global climate variability, for research workers and students of all levels in climate science, oceanography and related fields.