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The '''Air Resources Laboratory''' (ARL) is an [[air quality]] and [[climate]] laboratory in the [http://www.oar.noaa.gov/ Office of Oceanic and Atmospheric Research] (OAR) which is part of the [[National Oceanic and Atmospheric Administration]] (NOAA).<ref>[http://www.arl.noaa.gov/ Air Resources Laboratory (ARL) website homepage]</ref><ref>[http://www.oar.noaa.gov/programs/labs.html NOAA's Office of Oceanic and Atmospheric Research] Scroll down to section on Air Resources Laboratory (ARL).</ref><ref>[http://www.arl.noaa.gov/documents/Summaries/HQ_FINAL_handout.pdf Air Resources Laboratory] An overview handout.</ref>  
The '''Air Resources Laboratory''' (ARL) is an [[air quality]] and [[climate]] laboratory in the [http://www.oar.noaa.gov/ Office of Oceanic and Atmospheric Research] (OAR) which is part of the [[National Oceanic and Atmospheric Administration]] (NOAA).<ref>[http://www.arl.noaa.gov/ Air Resources Laboratory (ARL) website homepage]</ref><ref>[http://www.oar.noaa.gov/programs/labs.html NOAA's Office of Oceanic and Atmospheric Research] Scroll down to section on Air Resources Laboratory (ARL).</ref><ref>[http://www.arl.noaa.gov/documents/Summaries/HQ_FINAL_handout.pdf Air Resources Laboratory] An overview handout.</ref>  


The ARL headquarters is currently (2008) in Silver Spring, [[Maryland]] and the current director is Dr. Steve Fine.<ref>[http://www.arl.noaa.gov/contact.php Air Resources Laboratory (ARL) Director - Dr. Steven S. Fine]</ref> In addition, the ARL  has divisions in Idaho Falls, [[Idaho]]; Research Triangle Park, [[North Carolina]]; Las Vegas, [[Nevada]]; and Oak Ridge, [[Tennessee]].
The ARL headquarters is currently (2008) in Silver Spring, [[Maryland (U.S. state)|Maryland]] and the current director is Dr. Steve Fine.<ref>[http://www.arl.noaa.gov/contact.php Air Resources Laboratory (ARL) Director - Dr. Steven S. Fine]</ref> In addition, the ARL  has divisions in Idaho Falls, [[Idaho (U.S. state)]]; Research Triangle Park, [[North Carolina (U.S. state)]]; Las Vegas, [[Nevada (U.S. state)|Nevada]]; and Oak Ridge, [[Tennessee (U.S. state)|Tennessee]].


== Overview of the ARL's Responsibilities ==
== Overview of the ARL's Responsibilities ==
{{Image|ARL-Organization.png|right|364px|Organization diagram for the Air Resources Laboratory (ARL).}} 
 
ARL develops models relating to climate and air quality, including the transport, [[Atmospheric dispersion modeling|dispersion]], transformation and removal of pollutants from the ambient [[atmosphere]]. The emphasis of the ARL's work is on technology development and transfer. The specific goal of ARL research is to improve prediction of trends, dispersion of [[Air pollution dispersion terminology|air pollutant plumes]], air quality, atmospheric [[Air pollution dispersion terminology|deposition]], and related subjects.<ref>[http://www.arl.noaa.gov/atmosDisp.php Atmospheric Transport and Dispersion]</ref>
ARL develops models relating to climate and air quality, including the transport, [[Atmospheric dispersion modeling|dispersion]], transformation and removal of pollutants from the ambient [[atmosphere]]. The emphasis of the ARL's work is on technology development and transfer. The specific goal of ARL research is to improve prediction of trends, dispersion of [[Air pollution dispersion terminology|air pollutant plumes]], air quality, atmospheric [[Air pollution dispersion terminology|deposition]], and related subjects.<ref>[http://www.arl.noaa.gov/atmosDisp.php Atmospheric Transport and Dispersion]</ref>


ARL provides scientific and technical advice to other groups within  NOAA and other government agencies on [[atmospheric science]], environmental problems, emergency assistance, and [[climate change]]. Much of the ARL's work is done by the Atmospheric Sciences Modeling Division of the ARL.
ARL provides scientific and technical advice to other groups within  NOAA and other government agencies on [[atmospheric science]], environmental problems, emergency assistance, and [[climate change]].  


==The Atmospheric Sciences Modeling Division==
==Organization==
{{Image|ARL-Organization.png|right|364px|Organization diagram for the Air Resources Laboratory (ARL).}}
As shown in the adjacent diagram, the ARL has four divisions which are respectively located in [[Tennessee (U.S. state)|Tennessee]], [[Idaho (U.S. state)]], [[Nevada (U.S. state)|Nevada]], and [[North Carolina (U.S. state)]].


[http://www.epa.gov/asmdnerl/ The Atmospheric Sciences Modeling Division] (ASMD) is part of the ARL.
===Atmospheric Turbulence & Diffusion Division===
The ASMD develops and evaluates predictive atmospheric models on all spatial and temporal scales for forecasting air quality and for assessing changes in air quality and air pollutant exposures. It was established in 1955 to collaborate with the [[United States  Environmental Protection Agency]] (EPA) and its predecessor agencies in developing advanced air quality models. The ASMD currently works in a partnership with the EPA and is located in Research Triangle Park, North Carolina.<ref>[http://www.arl.noaa.gov/documents/reports/arl-256.pdf Fiscal Year 2005 Summary Report of the NOAA Atmospheric Sciences Modeling Division to the Environmental Protection Agency]</ref>
 
The '''''Atmospheric Turbulence & Diffusion Division (ATDD)''''' is located in Oak Ridge, Tennessee. ATDD concentrates on air quality and climate-related research directed toward issues of national and global importance. In their air quality research, ATDD develops methods for predicting transport, dispersion, and air-surface exchange of air pollutants. It applies these methods to realistic situations including nighttime cases, complex terrain, and non-uniform surfaces. ATDD's climate-related research includes measurement of climate change and related physical and chemical processes.
 
===Field Research Division===
 
The '''''Field Research Division (FRD)''''' is located in Idaho Falls, Idaho.  FRD conducts experiments to better understand atmospheric transport and dispersion, improves both the theory and models of air-surface exchange processes, and develops new technologies and instrumentation to carry out its mission. In a cooperative agreement with the [[U.S. Department of Energy]], the Division supports the [[Idaho National Laboratory]] with meteorological forecasts and emergency response capabilities.
 
===Special Operations & Research Division===
 
The '''''Special Operations & Research Division (SORD)''''' is located in Las Vegas, Nevada.  SORD conducts basic and applied research in atmospheric dispersion, particle re-suspension, particle deposition, and the effects of airborne particles on atmospheric opacity. This Division supports issues of mutual interest to NOAA and the Department of Energy that relate to the [[Nevada National Security Site]], its atmospheric environment, and its emergency preparedness and emergency response activities.<ref>'''Note:''' The Nevada National Security Site, located about 65 miles (105 kilometeres) northwest of Las Vegas, Nevada, was also known as the Nevada Test Site and the Nevada Proving Grounds. It was an area of about 3,500 square miles (3,500 square kilometers) that was used for
testing nuclear weapons during the period from 1951 to 2000.</ref>
 
=== The Atmospheric Sciences Modeling Division===
 
The '''''Atmospheric Sciences Modeling Division] (ASMD)''''' develops and evaluates predictive atmospheric models on all spatial and temporal scales for forecasting air quality and for assessing changes in air quality and air pollutant exposures. It was established in 1955 to collaborate with the [[U.S. Environmental Protection Agency]] (EPA) and its predecessor agencies in developing advanced air quality models. The ASMD currently works in a partnership with the EPA and is located in Research Triangle Park, North Carolina.<ref>[http://www.arl.noaa.gov/documents/reports/arl-256.pdf Fiscal Year 2005 Summary Report of the NOAA Atmospheric Sciences Modeling Division to the Environmental Protection Agency]</ref>


The ASMD is responsible for providing a sound scientific and technical basis for regulatory policies to improve ambient air quality. The air quality and pollution dispersion models developed by the ASMD are being used by the EPA, NOAA, and the general air pollution community in understanding and forecasting not only the magnitude of the air pollution problem, but also in developing [[emission]] control policies and regulations.
The ASMD is responsible for providing a sound scientific and technical basis for regulatory policies to improve ambient air quality. The air quality and pollution dispersion models developed by the ASMD are being used by the EPA, NOAA, and the general air pollution community in understanding and forecasting not only the magnitude of the air pollution problem, but also in developing [[emission]] control policies and regulations.
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==History==
==History==


The predecessor of the ARL was the Special Projects Section (SPS) of the United States Weather Bureau (now NOAA's [[National Weather Service]]). The SPS was created in 1948 as the nuclear era emerged and it became apparent that the transportation, dispersion and fallout of [[radioactive]] substances from the use of nuclear weapons posed dangers that mankind had never faced before.<ref name=History>[http://www.arl.noaa.gov/history.html History of the ARL]</ref>
The predecessor of the ARL was the Special Projects Section (SPS) of the United States Weather Bureau (now NOAA's [[National Weather Service]]). The SPS was created in 1948 as the nuclear era emerged and it became apparent that the transportation, dispersion and fallout of [[radioactive]] substances from the use of nuclear weapons posed dangers that mankind had never faced before.<ref name=History>[http://www.arl.noaa.gov/history.php History of the ARL]</ref>


The SPS was created to engage in [[meteorological]] research  to assist the emerging atomic energy programs of the United States, much of which involved weapons testing.
The SPS was created to engage in [[meteorological]] research  to assist the emerging atomic energy programs of the United States, much of which involved weapons testing.
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== References ==
== References ==
{{reflist}}
{{reflist}}[[Category:Suggestion Bot Tag]]

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(PD) Image: NOAA's Air Resources Laboratory (ARL)
Logo of NOAA's ARL

The Air Resources Laboratory (ARL) is an air quality and climate laboratory in the Office of Oceanic and Atmospheric Research (OAR) which is part of the National Oceanic and Atmospheric Administration (NOAA).[1][2][3]

The ARL headquarters is currently (2008) in Silver Spring, Maryland and the current director is Dr. Steve Fine.[4] In addition, the ARL has divisions in Idaho Falls, Idaho (U.S. state); Research Triangle Park, North Carolina (U.S. state); Las Vegas, Nevada; and Oak Ridge, Tennessee.

Overview of the ARL's Responsibilities

ARL develops models relating to climate and air quality, including the transport, dispersion, transformation and removal of pollutants from the ambient atmosphere. The emphasis of the ARL's work is on technology development and transfer. The specific goal of ARL research is to improve prediction of trends, dispersion of air pollutant plumes, air quality, atmospheric deposition, and related subjects.[5]

ARL provides scientific and technical advice to other groups within NOAA and other government agencies on atmospheric science, environmental problems, emergency assistance, and climate change.

Organization

(CC) Diagram: Milton Beychok
Organization diagram for the Air Resources Laboratory (ARL).

As shown in the adjacent diagram, the ARL has four divisions which are respectively located in Tennessee, Idaho (U.S. state), Nevada, and North Carolina (U.S. state).

Atmospheric Turbulence & Diffusion Division

The Atmospheric Turbulence & Diffusion Division (ATDD) is located in Oak Ridge, Tennessee. ATDD concentrates on air quality and climate-related research directed toward issues of national and global importance. In their air quality research, ATDD develops methods for predicting transport, dispersion, and air-surface exchange of air pollutants. It applies these methods to realistic situations including nighttime cases, complex terrain, and non-uniform surfaces. ATDD's climate-related research includes measurement of climate change and related physical and chemical processes.

Field Research Division

The Field Research Division (FRD) is located in Idaho Falls, Idaho. FRD conducts experiments to better understand atmospheric transport and dispersion, improves both the theory and models of air-surface exchange processes, and develops new technologies and instrumentation to carry out its mission. In a cooperative agreement with the U.S. Department of Energy, the Division supports the Idaho National Laboratory with meteorological forecasts and emergency response capabilities.

Special Operations & Research Division

The Special Operations & Research Division (SORD) is located in Las Vegas, Nevada. SORD conducts basic and applied research in atmospheric dispersion, particle re-suspension, particle deposition, and the effects of airborne particles on atmospheric opacity. This Division supports issues of mutual interest to NOAA and the Department of Energy that relate to the Nevada National Security Site, its atmospheric environment, and its emergency preparedness and emergency response activities.[6]

The Atmospheric Sciences Modeling Division

The Atmospheric Sciences Modeling Division] (ASMD) develops and evaluates predictive atmospheric models on all spatial and temporal scales for forecasting air quality and for assessing changes in air quality and air pollutant exposures. It was established in 1955 to collaborate with the U.S. Environmental Protection Agency (EPA) and its predecessor agencies in developing advanced air quality models. The ASMD currently works in a partnership with the EPA and is located in Research Triangle Park, North Carolina.[7]

The ASMD is responsible for providing a sound scientific and technical basis for regulatory policies to improve ambient air quality. The air quality and pollution dispersion models developed by the ASMD are being used by the EPA, NOAA, and the general air pollution community in understanding and forecasting not only the magnitude of the air pollution problem, but also in developing emission control policies and regulations.

History

The predecessor of the ARL was the Special Projects Section (SPS) of the United States Weather Bureau (now NOAA's National Weather Service). The SPS was created in 1948 as the nuclear era emerged and it became apparent that the transportation, dispersion and fallout of radioactive substances from the use of nuclear weapons posed dangers that mankind had never faced before.[8]

The SPS was created to engage in meteorological research to assist the emerging atomic energy programs of the United States, much of which involved weapons testing.

The first director of the SPS was Dr. Lester Machta who was joined by four other meteorologists. Initially, funding came from the Department of Defense and later from the Atomic Energy Commission, the predecessor of the Department of Energy. A great deal of funding also came from outside financial support.[8]

One of the most important contributions of the SPS was publication of the book Meteorology and Atomic Energy in 1968, edited by David H. Slade. That book summarized the state of the science about the Planetary Boundary Layer (PBL) processes and the applied meteorology of air pollution plume rise and dispersion, and turbulence and atmospheric stability. With contributions from SPS scientists and other experts, that book was the primary source of information about air pollution dispersion for many decades.[8]

(PD) Photo: NOAA's Air Resources Laboratory
ARL location in Silver Spring, Maryland

In the early years, the SPS was headquartered in Washington, DC. When the SPS became part of NOAA and was named the Air Resources Laboratory, the headquarters moved a number of times and ended up in its current location in Silver Spring, Maryland.[8]

Further reading

For those who are unfamiliar with air pollution dispersion modeling and would like to learn more about the subject, it is suggested that either one of the following books be read:

  • Schnelle, Jr., Karl B. and Dey, Partha R. (2000). Atmospheric Dispersion Modeling Compliance Guide. McGraw-Hill. ISBN 0-07-058059-6. 

References

  1. ↑ Air Resources Laboratory (ARL) website homepage
  2. ↑ NOAA's Office of Oceanic and Atmospheric Research Scroll down to section on Air Resources Laboratory (ARL).
  3. ↑ Air Resources Laboratory An overview handout.
  4. ↑ Air Resources Laboratory (ARL) Director - Dr. Steven S. Fine
  5. ↑ Atmospheric Transport and Dispersion
  6. ↑ Note: The Nevada National Security Site, located about 65 miles (105 kilometeres) northwest of Las Vegas, Nevada, was also known as the Nevada Test Site and the Nevada Proving Grounds. It was an area of about 3,500 square miles (3,500 square kilometers) that was used for testing nuclear weapons during the period from 1951 to 2000.
  7. ↑ Fiscal Year 2005 Summary Report of the NOAA Atmospheric Sciences Modeling Division to the Environmental Protection Agency
  8. ↑ 8.0 8.1 8.2 8.3 History of the ARL
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