Support learners through the challenging transition from Cambridge IGCSE to A Level Geography. Geography for Cambridge International AS & A Level is a stretching, comprehensive resource that helps develop complex critical thinking and analytical skills. This resource supports the redeveloped Cambridge syllabus for first examination in 2018. The advanced skills development will support achievement in the Cambridge AS & A Level exams and smooth the transition to higher education. Written by a team of experienced teachers and examiners, Geography for Cambridge International AS & A Level contains plenty of exam-focused practice and up-to-date case studies that build advanced research and geographical skills. Part of a comprehensive suite of resources, Geography for Cambridge International AS & A Level is supported by Essential Mapwork Skills 3 - a practice-based resource that extends students' mapwork skills. Plus, to deepen students' understanding, Geofile provides up-to-the-minute, downloadable c

Fundamentals of Air Pollution is an important and widely used textbook in the environmental science and engineering community. This thoroughly revised fifth edition of Fundamentals of Air Pollution has been updated throughout and remains the most complete text available, offering a stronger systems perspective and more coverage of international issues relating to air pollution. Sections on pollution control have been reorganized and updated to demonstrate the move from regulation and control approaches to green and sustainable engineering approaches. The fifth edition maintains a strong interdisciplinary approach to the study of air pollution, covering such topics as chemistry, physics, meteorology, engineering, toxicology, policy, and regulation. New material includes near-road air pollution, new risk assessment approaches, indoor air quality, the impact of biofuels and fuel additives, mercury emissions, forecasting techniques, and the most recent results from the National Air Toxics Assessment. - Stronger systems approach, emphasizing the impact of air pollution on ecosystems and human health - Risks, measures, models, and control of air pollution are discussed at scale – starting at the individual/niche level and expanding to planetary/global scale - Increased emphasis on international issues, including coverage of European initiatives and discussions of the impact of emerging economies like India and China - Updated references, standards, and methods throughout the book make this the most current air pollution text/reference on the market - All new end-of-chapter problems enhance its usefulness as a course text

Vols. for 1911-13 contain the Proceedings of the Helminothological Society of Washington, ISSN 0018-0120, 1st-15th meeting.

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It is pointed out that in addition to the so-called geostrophic adaptation in a large-scale motion, there is an adaptation between the pressure and the wind field in meso- and small-scale motions. Scale analysis shows that in the equations of motion (meso- or small-scale), the term for the time derivative is an order of magnitude smaller than the main terms. Hence, we may assume that motions of such scales evolve slowly in a quasi-balanced state. If, for any reason, this state of motion is disturbed, there will be a mechanism to restore it. A quasi-balanced state exists between the inertial force (velocity advection), the coriolis force and the pressure gradient force. The progression from disturbance to restoration of a quasi-balanced state is known as an adaptive process and the evolution in a quasi-balanced state a quasi-steady process. The physical nature of these two processes is discussed. It is shown that for a meso-scale motion, D”zeta in an adaptive process and D = or