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Author: United States. Hydrographic Office Publisher: ISBN: Category : Ocean temperature Languages : en Pages : 116
Book Description
An investigation was made of the meteorological factors which a ffect the thermal structure of the ocean, and an attempt was made to develop techniques for predicting this structure. A prediction technique is proposed which is based on relationships giving the magnitude of the effects of radiation, evaporation and molecular conduction, convection, and turbulent mixing on the thermal structure. A sample prediction showed promise, but the data indicated that an accurate and operationally useful prediction method required a consideration of the internal waves which produce vertical motion. This factor was investigated for a 2-layer system and for a model in which the density was a continuous function of depth. The main considerations in the first model were seasonal and monthly variations, semidiurnal and diurnal tidal variations, short period variations, and random variations, Study of semidiurnal and diurnal tidal variations led to an empirical formula giving the amplitudes of oscillation in one area as a function of the thickness and density discontinuity of the 2-layer system. Where the data were adequate for a forecast, the formula predicted amplitudes with a fair degree of accuracy. Methods were also developed for predicting the internal oscillations of the continuous density model. A sample prediction showed good agreement at the greater depths; however, discrepancies occurred near the surface.
Author: United States. Hydrographic Office Publisher: ISBN: Category : Ocean temperature Languages : en Pages : 116
Book Description
An investigation was made of the meteorological factors which a ffect the thermal structure of the ocean, and an attempt was made to develop techniques for predicting this structure. A prediction technique is proposed which is based on relationships giving the magnitude of the effects of radiation, evaporation and molecular conduction, convection, and turbulent mixing on the thermal structure. A sample prediction showed promise, but the data indicated that an accurate and operationally useful prediction method required a consideration of the internal waves which produce vertical motion. This factor was investigated for a 2-layer system and for a model in which the density was a continuous function of depth. The main considerations in the first model were seasonal and monthly variations, semidiurnal and diurnal tidal variations, short period variations, and random variations, Study of semidiurnal and diurnal tidal variations led to an empirical formula giving the amplitudes of oscillation in one area as a function of the thickness and density discontinuity of the 2-layer system. Where the data were adequate for a forecast, the formula predicted amplitudes with a fair degree of accuracy. Methods were also developed for predicting the internal oscillations of the continuous density model. A sample prediction showed good agreement at the greater depths; however, discrepancies occurred near the surface.
Author: Intergovernmental Panel on Climate Change (IPCC) Publisher: Cambridge University Press ISBN: 9781009157971 Category : Science Languages : en Pages : 755
Book Description
The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on the Ocean and Cryosphere in a Changing Climate is the most comprehensive and up-to-date assessment of the observed and projected changes to the ocean and cryosphere and their associated impacts and risks, with a focus on resilience, risk management response options, and adaptation measures, considering both their potential and limitations. It brings together knowledge on physical and biogeochemical changes, the interplay with ecosystem changes, and the implications for human communities. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Author: National Academies of Sciences, Engineering, and Medicine Publisher: National Academies Press ISBN: 0309471699 Category : Science Languages : en Pages : 207
Book Description
Climate change poses many challenges that affect society and the natural world. With these challenges, however, come opportunities to respond. By taking steps to adapt to and mitigate climate change, the risks to society and the impacts of continued climate change can be lessened. The National Climate Assessment, coordinated by the U.S. Global Change Research Program, is a mandated report intended to inform response decisions. Required to be developed every four years, these reports provide the most comprehensive and up-to-date evaluation of climate change impacts available for the United States, making them a unique and important climate change document. The draft Fourth National Climate Assessment (NCA4) report reviewed here addresses a wide range of topics of high importance to the United States and society more broadly, extending from human health and community well-being, to the built environment, to businesses and economies, to ecosystems and natural resources. This report evaluates the draft NCA4 to determine if it meets the requirements of the federal mandate, whether it provides accurate information grounded in the scientific literature, and whether it effectively communicates climate science, impacts, and responses for general audiences including the public, decision makers, and other stakeholders.
Author: United States. Environmental Science Services Administration. Scientific Information and Documentation Division Publisher: ISBN: Category : Marine meteorology Languages : en Pages : 304
Author: Owen S. Lee Publisher: ISBN: Category : Internal waves Languages : en Pages : 64
Book Description
Internal waves exist in the ocean as a rule rather than an exception. Energy is transported by them in channels that are similar to sound channels. Their effect on naval exercises and equipment, particularly functions involving the use of underwater sound, can be expected to be more pronounced in these channels. Although theory and observation are still not adequate for a full understanding of the phenomenon, western literature prior to June 1963 contains more than 300 publications dealing with internal waves in the atmosphere, lakes, and seas. These publications are listed in the comprehensive bibliography which is part of this report. (Author).
Author: Alexander Polonsky Publisher: Cambridge Scholars Publishing ISBN: 1527534871 Category : Science Languages : en Pages : 294
Book Description
The principal focus of this book is the physical processes in the World Ocean which regulate the interannual-to-multidecadal natural variability of the climate system, and some key atmospheric and marine manifestations of this variability. It analyses a number of Atlantic and Indo-Pacific signals, and describes their regional atmospheric and marine manifestations. The role of the Ocean in the recent hiatus of global warming and the probability of abrupt climate change due to thermohaline catastrophe are also assessed. The book pays special attention to the change of parameters of synoptic atmospheric disturbances over the Northern Hemisphere and its sub-regions in different phases of the natural quasi-periodical climatic signals. It will appeal to oceanographers, climatologists, meteorologists, hydrologist, geographers and the general reader interested in the problem of climate change all over the globe, especially with regards to Eastern Europe and the Black Sea region.
Author: United States. Environmental Science Services Administration. Scientific Information and Documentation Division Publisher: ISBN: Category : Marine meteorology Languages : en Pages : 222
Author: United States. Hydrographic Office
Author: United States. Hydrographic Office
Author: Richard W. James (Ph. D.)
Author: Intergovernmental Panel on Climate Change (IPCC)
Author: National Academies of Sciences, Engineering, and Medicine
Author: 
Author: United States. Environmental Science Services Administration. Scientific Information and Documentation Division
Author: Richard W. James
Author: Owen S. Lee
Author: Alexander Polonsky
Author: United States. Environmental Science Services Administration. Scientific Information and Documentation Division