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Topic: Atmosphere (unit)

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  91.06.04: Earth’s Changing Atmosphere
The purpose of this unit is to investigate the Earth’s changing atmosphere.
The gas in an atmosphere is held to the planet’s surface by gravity, that natural force or pull toward the center of the planet.
The troposphere is the layer of the atmosphere extending from Earth’s surface to an altitude of 10 to 16 km.
www.yale.edu /ynhti/curriculum/units/1991/6/91.06.04.x.html   (5852 words)

  Encyclopedia: Atmosphere (unit)   (Site not responding. Last check: 2007-10-15)
When expressed as a measurement, an atmosphere (symbol: atm) or standard atmosphere is a unit of pressure roughly equal to the average atmospheric pressure at sea level on Earth.
A millimetre (American spelling: millimeter, symbol mm) is an SI unit of length that is equal to one thousandth of a metre.
The unit technical atmosphere (at) is roughly equal to the gauge pressure under 10 m of water; 1 at = 98066.5 Pa. A technical atmosphere (symbol: at) is a non-SI unit of pressure equal to 1 kilogram-force per square centimeter, i.
www.nationmaster.com /encyclopedia/Atmosphere-(unit)   (914 words)

 The MSDS HyperGlossary: Pressure Unit Conversions
Normal atmospheric pressure is 14.7 psi, which means that a column of air one square inch in area rising from the Earth's atmosphere to space weighs 14.7 pounds.
Based on the original Torricelli barometer design, one atmosphere of pressure will force the column of mercury (Hg) in a mercury barometer to a height of 760 millimeters.
This unit is used by meteorologists who find it easier to refer to atmospheric pressures without using decimals.
www.ilpi.com /msds/ref/pressureunits.html   (656 words)

 Units: A
In metric countries the unit corresponding to the acre is the hectare, which is 10,000 square meters (the area of a square 100 meters on each side).
Units of quantity equal to 1 through 8 are known, respectively, as the monad, dyad, triad, tetrad, pentad, hexad, heptad, and octad, terms coined by adding -ad to the Greek numbers 1-8.
One astronomical unit equals the "average" distance from the center of the Earth to the center of the Sun (mathematically, it is the length of the semimajor axis of the Earth's elliptical orbit, which is the ordinary average of the Earth's minimum and maximum distances from the Sun).
www.unc.edu /~rowlett/units/dictA.html   (5370 words)

 Unit 2. Understanding the Atmosphere
The atmosphere of the Earth is an envelope of air surrounding the Earth.
Because the atmosphere is largely transparent to incoming short-wave radiation, a large quantity reaches the Earth’s surface where it becomes absorbed and heats the Earth’s surface.
Atmospheric scattering of solar radiation is apparent in the brightness of the daytime sky.
www.fas.org /spp/military/docops/afwa/atmos-U2.htm   (18815 words)

 UNIT 7 THE CLIMATE PUZZLE:   (Site not responding. Last check: 2007-10-15)
Among the particulates found in the atmosphere are soil blown into the air as dust, sea salt resulting from the evaporation of ocean spray, smoke from forest fires and the combustion of fossil fuels, and fire ash or silicate dust and sulfate salts blasted into the atmosphere during volcanic eruptions.
Pollutants are gases or particulates in the atmosphere we breathe that are undesirable from the standpoint of the health of plants and animals.
Above the mercury outside the tube is the atmosphere, exerting its pressure on the mercury surface and forcing it up into the tube until the column of mercury in the tube exerts the same pressure (force per unit area) on the mercury in the dish as the column of air.
mac01.eps.pitt.edu /harbbook/c_vii/chap07.html   (11546 words)

 Atmosphere (unit) -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-15)
29.921 259 842 519 685 039 363 (A unit of length equal to one twelfth of a foot) inches of (A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures) mercury
In Britain, (An underwater diver who uses scuba gear) scuba divers and others often use the word atmosphere loosely to mean 1 (A rigid piece of metal or wood; usually used as a fastening or obstruction or weapon) bar (1000 millibars or 100000 Pa).
The unit (Click link for more info and facts about technical atmosphere) technical atmosphere (at) is defined as the pressure under 10 (The 13th letter of the Roman alphabet) m of water, 1 at = 98066.5 Pa.
www.absoluteastronomy.com /encyclopedia/a/at/atmosphere_(unit).htm   (239 words)

 [No title]   (Site not responding. Last check: 2007-10-15)
The atmosphere boundary layer thickness is the "depth" or "height" of the (atmosphere) planetary boundary layer.
Atmosphere water vapor content is sometimes referred to as "precipitable water", although this term does not imply the water could all be precipitated.
Atmosphere potential vorticity is the vertically averaged absolute vorticity of a layer of the atmosphere divided by the pressure difference from the bottom to the top of the layer.
www.cgd.ucar.edu /cms/eaton/cf-metadata/standard_name.xml   (12796 words)

 EARS101 Unit 4
Sandwiched between two planets whose atmospheres are composed primarily of carbon dioxide, the Earth's atmosphere, composed of mostly nitrogen and oxygen, is the only atmosphere that can support life.
In addition, the role that the atmosphere plays in regulating temperature on the Earth and the factors that result in seasonal variations in climate and weather will also be explored.
Be able to describe the structure of the Earth's atmosphere and its importance in regulating temperatures on the surface of the Earth.
student.ccbcmd.edu /courses/eas101/unit4   (365 words)

 The primitive atmosphere (from life) --  Encyclopædia Britannica
Darwin's attitude was: “It is mere rubbish thinking at present of the origin of life; one might as well think of the origin of matter.” The two problems are, in fact, curiously connected, and modern scientists are thinking about the origin of matter.
unit of pressure, nearly equal to the mean atmospheric pressure naturally existing at sea level on the surface of the Earth or to the pressure exerted by a vertical column of mercury (as in a barometer) 760 mm (29.9213 inches) high, used in meteorology.
Learn why entering the earth's atmosphere is one of the great dangers the crew on the space shuttle faces when preparing to land.
www.britannica.com /eb/article-41350   (780 words)

 <b>Liste des variables Liste des variables</b>
The height of the atmospheric layer from the Earth's surface up to an altitude of about 1 kilometer in which wind speed and direction are affected by frictional interaction with objects on the Earth's surface.
The flux of energy, per unit area, associated to the diffusion of heat away from the surface.
The atmospheric pressure at mean sea level, either directly measured, or, most commonly, empirically determined from the observed station pressure.
gicc.ipsl.jussieu.fr /Variables.htm   (1006 words)

 LSTD 3433 The Dynamic Universe Unit Four The Atmosphere   (Site not responding. Last check: 2007-10-15)
This unit examines the nature of the earth’s atmosphere and its role in developing weather patterns.
Reducing uncertainty about the role of atmospheric aerosol particles in the Earth’s climate system is one of the highest priorities for research in the atmospheric composition area.
The puzzle of climate is that atmospheric and oceanic temperatures have increased much more than can be explained by changes in the concentration of green house gases.
www.ou.edu /cls/online/lstd3433/unit4.htm   (531 words)

 Conversion of pressure units - pressure pascal Pa = force F Newton divided by area A - psi pascals bars atm - ...   (Site not responding. Last check: 2007-10-15)
Normal atmospheric pressure is 1 atm = 14.7 psi - that means, an air colum above us of an area of 1 square inch weighs 14.7 pounds.
Torricelli barometer design: One atmosphere pressure brings a colums of mercury in a Hg barometer to a height of 760 millimeter.
The bar is nearly idendic to the atmosphere unit.
www.sengpielaudio.com /calculatorPressure.htm   (574 words)

 [No title]
Atmosphere: Simple, with a few Oriental decor Seating: 40 or over Liqueur: None Price: Dim Sum: None Lunch: $ 5.35 Dinner: $ 8.55 Buffet: $ None Historical Note: None ----------------------------------------------------------------------- BBQ King House 2148A S. Archer Ave.
Neverthless, this unit is not handicap accessible for their 2nd floor banquet facilities.
Unit: 1 Years in business: Under "New Ownership" in Feb 1995.
www.cultural.com /web/chinatown-FAQ   (4384 words)

 unit 2   (Site not responding. Last check: 2007-10-15)
Assignment 3: Unit 2 extension due at end of week 6, Midnight Sunday, October 24, 1999.
The reason for asking that you look over the Global Circulation activity is because it has lots of basic information that will help you understand global weather dynamics.
Your third assignment is to write up this extension activity (see "How to Build and Extension" in the course supplement) and submit it by the end of unit two; turn in as an.htm (or html) document if you can, as a word processing document if you don't yet do html.
www.math.montana.edu /~nmp/unit2.html   (367 words)

 Meteorology - Unit 1 - The Earth's Atmosphere   (Site not responding. Last check: 2007-10-15)
The study of the atmosphere and the processes that produce weather.
Almost all of the earth's weather occurs in the lowest layer of the atmosphere, the troposphere.
The sun is the primary source of energy for the earth's atmosphere.
physics.uwstout.edu /WX/Notes/ch1notes.htm   (234 words)

 Conversion of Units
Alternatively, the unit may be selected from the selector box.
"mol" denotes the SI unit, whereas "mole" (or "Mol") is numerically equal to Avogadro's number ("NA").
Basic units are separated by "-" or spaces, division is indicated by "/", powers by suffixed positive integers.
www.chemie.fu-berlin.de /chemistry/general/units_en.html   (198 words)

 Unit Conversion - Online Unit Converter
UnitConversion.org is the ultimate resource for unit conversion.
Webmasters: Enhance your Website by installing any unit converter for free.
weber, milliweber, microweber, volt second, unit pole, megaline, kiloline, line, maxwell, tesla square meter...
www.unitconversion.org   (984 words)

 atmosphere concept from the Astronomy knowledge base   (Site not responding. Last check: 2007-10-15)
For a body to retain an atmosphere depends on the body's gravity, and the temperature and composition of the gases.
Mean atmospheric pressure at the surface is 10330 kg/m
, and is also referred to as atmosphere.
www.csi.uottawa.ca:4321 /astronomy/atmosphere.html   (93 words)

 Atmosphere - Wikipedia, the free encyclopedia
Look up atmosphere on Wiktionary, the free dictionary.
Adobe Atmosphere, a 3D computer graphics product by Adobe Systems
This is a disambiguation page, a list of pages that otherwise might share the same title.
en.wikipedia.org /wiki/Atmosphere   (85 words)

 Grade Nine Science - The Atmosphere
The atmosphere is the medium in which Canada's weather and climate develop and unfold.
This unit looks at the weather and climate which we experience, and at how human activity alters the atmosphere's composition.
They may be able to provide temperature, atmospheric pressure, relative humidity, wind direction, and wind velocity hourly readings for a monthly period.
www.sasked.gov.sk.ca /docs/midlsci/gr9uemsc.html   (970 words)

 01CONVERSION.COM - Unit Conversion made easy
01CONVERSION.COM - Unit Conversion and measurement made easy
Convert between atmosphere, bar,centimeter of mercury, dyne/square centimeter, gram-force/square centimeter newton/square meter, ounce-force/square inch, pascal
Convert between btu per hour, calorie per hour, centigrade heat unit per hour, cubic meter atmosphere per hour, foot pound-force per hour, horsepower, joule per hour, kilocalorie per hour, kilogram force-meter per hour, kilowatt, newton-meter per hour, volt amperkilowatt, watt
01conversion.com   (218 words)

This unit is written for 4th and 5th grade.
Weather is a result of changing atmosphere conditions.
This site, by York University, describes atmospheric chemistry (what atmosphere is composed of) and the job of an atmospheric chemist.
www.sandusky.k12.mi.us /~middle/esatmos.html   (1525 words)

 Pressure units conversions - conversion unit pressure convert pascals psi - sengpielaudio   (Site not responding. Last check: 2007-10-15)
Pressure units conversions - conversion unit pressure convert pascals psi - sengpielaudio
Pascal (Pa) is the SI unit of pressure and the standard pressure unit in the MKS metric system, equal to one newton
The unit is named for Blaise Pascal (1623 - 1662), French philosopher and mathematician,
www.sengpielaudio.com /ConvPress.htm   (696 words)

 pastext   (Site not responding. Last check: 2007-10-15)
Extensions written by the Spring Semester, 1998 class: Unit 2, Atmosphere;
Extensions written by the Fall Semester, 1998 class: Unit 2, Atmosphere; Unit 3, Geosphere; Unit 4, Hydrosphere
Extensions written by the Fall, 1999 Class: Unit 2, Atmosphere, Unit 3 Geosphere, Unit 4 Hydrosphere
www.math.montana.edu /~nmp/pastext.html   (69 words)

 Energy Unit Lesson Plans   (Site not responding. Last check: 2007-10-15)
Relate global and local geologic resources to the biosphere, hydrosphere, atmosphere, and lithosphere.
• Fossil fuels and alternative energies affects on Atmosphere.
Then we commence with debate and coming to a decision.
www.pcu.net /web/hum/energylp.htm   (528 words)

 Map of the unit: The Atmosphere
To aid planning, laboratory-based practical work is indicated by (P), activities involving IT skills are indicated by (IT) and those developing study skills by (S).
A2.2 Investigating sunscreens (P) What is the effect of the atmosphere on the Sun’s radiation?
A10 Check you notes on The Atmosphere (S) Microsoft Word version of this map
www.york.ac.uk /org/seg/salters/chemistry/maps/Amap.htm   (120 words)

 Atmosphere (unit)|atmosphere Information   (Site not responding. Last check: 2007-10-15)
*a unit of pressure known as an atmosphere (unit)
*the Hip hop musicHip-hop group, Atmosphere (hip hop group)Atmosphere
*a 3D computer graphics creation product by Adobe Systems: see Adobe Atmosphere
www.echostatic.com /Atmosphere_(unit)|atmosphere.html   (30 words)

 Atmosphere & Desertification Conventions Unit
¨ United Nations Framework Convention on Climate Change (UNFCCC)
¨ United Nations Convention to Combat Desertification (UNCCD)
Support to the work of the Intergovernmental Panel on Climate Change (IPCC)
www.unep.ch /iuc/decunits/airdesu.htm   (104 words)

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