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Topic: Atmospheric physics


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In the News (Thu 3 Dec 09)

  
  Atmospheric physics - Wikipedia, the free encyclopedia
Atmospheric physics is the application of physics to the study of the atmosphere.
Atmospheric physicists attempt to model Earth's atmosphere and the atmospheres of the other planets using fluid flow equations, chemical models, radiation balancing, and energy transfer processes in the atmosphere (as well as how these tie in to other systems such as the oceans).
In order to model weather systems, atmospheric physicists employ elements of scattering theory, wave propagation models, cloud physics, statistical mechanics and spatial statistics which are highly mathematical and related to physics.
en.wikipedia.org /wiki/Atmospheric_physics   (182 words)

  
 Atmospheric chemistry - Wikipedia, the free encyclopedia
Atmospheric chemistry is a branch of atmospheric science in which the chemistry of the Earth's atmosphere and that of other planets is studied.
Atmospheric chemistry seeks to understand the causes of these problems, and by obtaining a theoretical understanding of them, allow possible solutions to be tested and the effects of changes in government policy evaluated.
Instead of concentrating on atmospheric chemistry in isolation the focus is now on seeing it as one part of a single system with the rest of the atmosphere, biosphere and geosphere.
en.wikipedia.org /wiki/Atmospheric_chemistry   (1002 words)

  
 Atmospheric Physics
Atmospheric Physics at MISU - The Atmospheric Physics Group's main research is concentrated on improving our understanding of the physics and chemistry that determine the structure and composition of the middle and upper atmosphere.
Atmospheric Physics at University of Canterbury - Research activities and interests of this group, including the use of radar in atmospheric measurements.
University of Toronto Atmospheric Physics - Experimental, modeling, and theoretical studies of climate and dynamics from the cryosphere to the middle atmosphere.
www.supercrawler.com /Science/Earth_Sciences/Atmospheric_Physics   (752 words)

  
 Institute of Mathematical and Physical Sciences   (Site not responding. Last check: 2007-10-08)
The Atmospheric Physics group is concerned with transport and dynamics in the atmosphere from the top of the boundary layer at about 3 km altitude to the base of the thermosphere at 90 km.
Gravity waves transport energy and momentum from the lower to the upper atmosphere and are of crucial importance in determining the general circulation of the stratosphere and mesosphere - a feature of particular relevance to the physics of the ozone layer.
Lidar measurements of atmospheric ozone are complemented by a balloon-borne ozonesonde programme which is particularly directed at studies of the winter polar stratosphere and the transport of air between the stratosphere and troposphere.
www.aber.ac.uk /~dphwww/research_atm.shtml   (651 words)

  
 Research: Atmospheric Physics   (Site not responding. Last check: 2007-10-08)
The Atmospheric Physics group is concerned with composition, transport and dynamics in the atmosphere from the ground to the lower stratosphere.
This region of the atmosphere is the subject of current environmental concerns as man-made trace gases perturb the natural chemical and radiative balance.
This impressive phased-array radar with 400 antennae is used to study winds, atmospheric gravity waves and turbulence from near the Earth's surface to an altitude of 90 km.
users.aber.ac.uk /ozone   (681 words)

  
 Atmospheric Physics   (Site not responding. Last check: 2007-10-08)
The atmosphere shields us from harmful objects, such as meteors, by destroying them before they reach the ground.
Earth's atmosphere is composed of several layers having distinct chemical and electrical properties.
Atmospheric physicists have already determined that solar ultraviolet radiation varies more than total solar radiation and, therefore; may be the key to weather fluctuations.
liftoff.msfc.nasa.gov /academy/space/ATMO_PHYSICS.HTML   (349 words)

  
 Austin College Physics Department
Some prepare students for further upper level studies in physics and engineering, others are taken mainly by students in premedical and pre-health sciences programs, and still other courses are designed to give non-science students an introduction to physical science.
The calculus-based introductory physics sequence is being taught in a new classroom/laboratory facility, partially funded by the National Science Foundation and alumni contributions, which is equipped with seventeen interfaced Macintosh G5 computors.
Physics majors may choose a course of study to prepare themselves for graduate study in a wide range of scientific and engineering fields: physics, astronomy, geophysics, applied physics, electrical engineering, computer science, mechanical engineering, civil engineering, applied mathematics, environmental science and many other fields.
artemis.austincollege.edu /acad/physics   (640 words)

  
 MTU Physics - Atmospheric Physics Research - FAQs
It is the study of planetary atmospheres, most importantly Earth’s, with the aim of understanding the complex interactions between different components of the atmosphere such as aerosols, clouds, turbulence, and electromagnetic radiation.
Sean Twomey, another atmospheric physicist, is the author of a classic text on the mathematics of inversion problems.
Raymond Shaw, Ph.D. Dr. Shaw studies the formation and growth of particles in atmospheric clouds and the influence of turbulence on cloud processes.
www.phy.mtu.edu /atmos/atmosanswers.html   (724 words)

  
 Graduate Program in Atmospheric Physics--Physics, UMBC
The M.S. and Ph.D. Programs in Atmospheric Physics provide students with a fundamental background in graduate applied physics combined with an in-depth grounding in the fundamentals of atmospheric physics.
Doctor of Philosophy: The minimum requirement for the Ph.D. in atmospheric physics is a total of 46 credit hours, with a minimum of 28 credit hours of lecture courses at the 600 level or higher and 12 credit hours of doctoral research (PHYS 899).
ATMOSPHERIC PHYSICS FACULTY Professors Hoff, Raymond M. Ph.D. Simon Fraser University; Atmospheric physics, aerosols, LIDAR Strow, L. Larrabee Ph.D. University of Maryland College Park; Spectroscopy, atmospheric radiative transfer, remote sensing Assistant Professors McMillan, W. Wallace, Ph.
www.physics.umbc.edu /Graduate/atmos_prog.shtml   (1484 words)

  
 Graduate Fellowships in Atmospheric Physics--Physics, UMBC
The Physics Department at the University of Maryland, Baltimore County (UMBC) invites applications for a Special Merit Fellowship for graduate study leading to a Ph.D. degree in Atmospheric Physics.
The UMBC Physics Department invites applications for the GEST Graduate Fellowship, for graduate study leading to the Ph.D degree in Atmospheric Physics.
The Physics Department has 14 faculty/research faculty involved in various aspects of atmospheric physics with a general concentration on satellite observations and atmospheric radiation covering much of the electromagnetic spectrum.
physics.umbc.edu /Graduate/fellowship2.htm   (441 words)

  
 Atmospheric Turbulence Measurements and Modeling   (Site not responding. Last check: 2007-10-08)
Atmospheric turbulence is a ubiquitous phenomenon in the free atmosphere (i.e., the troposphere and stratosphere).
Both are fundamentally important to understanding and modeling the basic physics of turbulence and the resulting atmospheric structure-specifically, the narrow intermittent layers and their relationship to atmospheric and meteorological conditions such as mountains, jet streams, fronts, and gravity waves sources.
One of the areas of emphasis is the study of the generation of gravity waves, their propagation and breakdown into turbulence, and their relationship to sources and meteorology and the resulting atmospheric structure.
www4.nationalacademies.org /pga/rap.nsf/44ac59cd53fc460885256a220069c796/854796ed754be265852570a7005cd0a9?OpenDocument   (289 words)

  
 Dalhousie Physics and Atmospheric Science - High Schools   (Site not responding. Last check: 2007-10-08)
Dalhousie Physics and Atmospheric Science is a world class institution, in education and in research.
Physics is not a subject for memorization, but for understanding, and curiosity.
Physics is a lot of work, and it is not a simple subject to master.
www.physics.dal.ca /physics_5679.html   (1565 words)

  
 Grads | Atmospheric Physics and Chemistry   (Site not responding. Last check: 2007-10-08)
Photochemistry of troposphere; physical chemistry of surfaces and solutions; precipitation chemistry and acid rain; atmospheric organic chemistry; regional and global biogeochemical cycles; current issues in global change.
Microstructure of atmospheric clouds; structure of the three phases of water substance, including surface effects; thermodynamic theory for equilibrium between the three phases of water substance, including surface effects; theory of homogeneous and heterogeneous nucleation of water drops and ice crystals.
Theory and techniques of remote sensing; atmospheric spectroscopy; methods based on scattering, absorption, and extinction; passive and active techniques; inversion methods; remote sensing of terrestrial meteorological parameters and trace constituents; remote sensing of surfaces and biosphere; remote sensing of planetary atmospheres.
www.atmos.ucla.edu /web/grads/atmos_phys.html   (670 words)

  
 in-cites - Journals - Atmospheric Chemistry & Physics
Published by the Copernicus Society, Atmospheric Chemistry and Physics is an international and interactive science journal of the European Geosciences Union.
Most successful scientific journals in physics, chemistry, and life sciences push for very short peer review times (2-4 weeks), and short papers with a lack of detailed information and scientific rigor are often treated preferentially.
With respect to scientific publishing, the recent developments in the fields of atmospheric research and geosciences have been essentially the same as in other fields of natural sciences.
www.in-cites.com /journals/AtmosphericChe-N-Phy.html   (1801 words)

  
 Amazon.com: Principles of Atmospheric Physics and Chemistry: Books: Richard Goody   (Site not responding. Last check: 2007-10-08)
The issue of climate change is considered in terms of simple models, and the concepts underlying atmospheric chemistry are discussed in terms of the ozone problem and three topics concerning the lower atmosphere: the oxidants, the chemistry of sulfur, and the
All aspects of the lower and middle atmospheres, except for large-scale dynamics, are treated in a connected account as ultimate consequences of the solar radiation falling on the planet.
In the longest view, the earth is passing through a series of disequilibrium conditions between the origin of the universe, 15 billion years (By) ago, and (in thermodynamic terms) a final state of maximum entropy, or heat death.
www.amazon.com /exec/obidos/tg/detail/-/0195093623?v=glance   (692 words)

  
 Oxford University: AOPP: dept: index:
The sub-department's research focuses on the study of physical processes in the atmospheres and oceans of the Earth and other planets, using experimental and theoretical techniques.
We are an important centre for theoretical atmospheric and oceanic modelling.
We also investigate fundamental geophysical fluid dynamics by means of laboratory experiments on rotating, stratified fluids, and also study the chaotic behaviour of a wide variety of physical systems using experimental and theoretical techniques.
www.atm.ox.ac.uk /main/dept   (310 words)

  
 AGU Elections: Atmospheric Sciences
As the Atmospheric Sciences president, I would be a strong advocate for all section members in all subdisciplines and would work with the membership, other section presidents, and the AGU leadership to define and advance AGU's goals.
Major area of research interest is the effects of clouds on atmospheric chemistry, specifically focusing on cloud chemistry, and the interactions between cloud microphysics and chemistry.
National Oceanic and Atmospheric Administration Administrator's Award, 2004, for outstanding administration and leadership in developing a new division to meet the challenges to NOAA in the area of climate applications related to remotely sensed data.
www.agu.org /elections/ballot/atmos.html   (1108 words)

  
 Physics, Applied   (Site not responding. Last check: 2007-10-08)
The programs are structured to provide concentrations in solid-state physics, quantum and nonlinear optics, astrophysics and atmospheric physics with many research opportunities in each area.
Physical meteorology, including atmospheric aerosols and cloud physics; introduction to atmospheric radiative transfer, including flbody theory, Kirchoff's law, description of molecular absorption, Rayleigh and description of Mie scattering; simple solutions to the radiative transfer equation; and other selected topics, time permitting (e.g., atmospheric electricity, climatology, atmospheric chemistry).
The physical processes, which contribute to absorption and scattering in the Earth's atmosphere, are examined.
www.umbc.edu /gradschool/gradcatalog/physics.html   (3415 words)

  
 USB Physics: Atmospheric Physics   (Site not responding. Last check: 2007-10-08)
The Institute for Terrestrial and Planetary Atmospheres at Stony Brook uses a variety of satellite data and data from general circulation models to better understand the evolution of, and present alterations in, the Earth's climate.
Robert de Zafra's group in the Physics Department is part of this Institute.
Physics offers and ideal training to conduct research in these fascinating and important research areas.
insti.physics.sunysb.edu /Physics/research_groups/p002_atm.htm   (192 words)

  
 atmospheric physics
In addition to gamma rays and X-rays, which are absorbed high in the atmosphere, ultraviolet (uv) radiation in the atmosphere is divided into three spectra: uva, uvb, and uvc.
Uvc, at 200 to 280 nm, which is the most energetic and most damaging but least prevalent of the uv radiation types, is totally absorbed by ozone and normal diatomic oxygen high in the atmosphere.
In addition to the amount of ozone in the stratosphere,the angle of the sun, length of daylight hours, path length of radiation through the atmosphere (all determined by latitude and time of year), solar output, and the type and thickness of clouds are also important factors.
www.cotf.edu /ete/modules/ozone/ozatmo.html   (682 words)

  
 Atmospheric Science at Dalhousie University
The atmospheric science classes are Climate Change (2nd year), Introduction to Atmospheric Science, Atmospheric Physics I (Atmospheric Thermodynamics) and II (Introduction to Aerosol and Cloud Physics), Synoptic Meteorology I and II, Atmospheric Dynamics I and II, Physical Oceanography, Atmospheric Chemistry, and Numerical Modelling of Atmospheres and Oceans.
Applications to the atmospheric science programme can be made through the Departments of Physics and Atmospheric Science (programme and application information) and Oceanography (programme and application information).
The graduate-level atmospheric science classes are Introduction to Atmospheric Science, Atmospheric Physics I (Atmospheric Thermodynamics) and II (Introduction to Aerosol and Cloud Physics), Synoptic Meteorology I and II, Atmospheric Dynamics I and II, Physical Oceanography, Atmospheric Chemistry, Numerical Modelling of Atmospheres and Oceans, and Cloud Physics (Dynamics).
www.atm.dal.ca   (903 words)

  
 MS Degree Program - Atmospheric Science Department, Colorado State University
Table 1 summarizes the core curriculum in atmospheric science from which master's candidates select a majority of the credits for the master's degree.
Although differences between this track and the traditional M.S. Plan A track are modest in scope, the Atmospheric Chemistry track permits students to spend increased time formally studying areas of chemistry and measurement science.
There is a prerequisite or corequisite of calculus for course work in atmospheric dynamics and thermodynamics, physics, and differential equations.
www.atmos.colostate.edu /gradprog/ms.php   (965 words)

  
 Atmospheric Physics
Research is carried out in the area of atmospheric radiative transfer (mainly solar) and remote sensing.
One major area of research is the development of radiative perturbation theory as a computational tool in radiative transfer calculations and modelling.
A second area of research is the ground based monitoring of atmospheric aerosol optical properties for both climate and visual air quality purposes.
www.phys.unsw.edu.au /DEPARTMENTS/ENVIRONMENTAL_AND_APPLIED/atmoshperic_physics.html   (254 words)

  
 Atmospheric Physics
It has become increasingly clear that many of the observed anomalous evolution properties of highly nonlinear solitary waves in the lower atmosphere can be attributed to spatial and temporal variations in waveguide properties along the path of the disturbance.
This model is being used initially to study the formation, evolution and decay of solitary waves on a time-varying density current and solitary waves which are created in the head-on collision of density currents.
Further studies of nonlinear atmospheric wave motions in other evolving waveguide systems will be carried out during the coming year.
wwwrses.anu.edu.au /seismology/ar96/atmo.html   (888 words)

  
 Home Page: Kimberly Strong   (Site not responding. Last check: 2007-10-08)
In recent years, the study of the atmosphere has received increasing attention, with issues such as stratospheric ozone depletion, climate change, and tropospheric pollution all having potential implications for the biosphere.
The Canadian Space Agency's Atmospheric Chemistry Experiment (ACE) was launched on SCISAT-1 on August 12, 2003, carrying two instruments: a Fourier Transform Spectrometer (ACE-FTS) and Measurements of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation (MAESTRO).
The primary goal of the mission is to measure and to understand the chemical and dynamical processes that control the distribution of ozone in the upper troposphere and stratosphere, with a focus on the decline of stratospheric ozone at northern mid-latitudes and in the Arctic.
www.atmosp.physics.utoronto.ca /people/strong/strong.html   (1859 words)

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