• Dataset Catalog | Science On a Sphere

    Regional Trends in Nitrogen Dioxide Levels. Air quality trends can vary regionally. The following climatically consistent regions within the contiguous United States provide a relevant way to look at regional trends in air quality. Source: NOAA National Climatic …

  • NWS JetStream - Introduction to the Atmosphere

    Jan 15, 2020· They also looked at gas flaring data from an instrument on the NOAA/NASA Suomi satellite system. Between 2007 and 2019, across much of the United States, nitrogen dioxide pollution levels dropped because of cleaner cars and power plants, the …

  • Peeling Back the Layers of the Atmosphere | NOAA National ...

    As a result, the amount of carbon dioxide in the atmosphere is rapidly rising; it is already considerably greater than at any time in the last 800,000 years. The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels. This extra carbon dioxide is lowering the ocean’s pH, through a process called ocean acidification.

  • NITROGEN | CAMEO Chemicals | NOAA

    An introduction to the major greenhouse gases in the earth's atmosphere. The FAQ discusses the relative potency, concentration and expected atmopsheric lifetime.

  • Nitrogen Dioxide Trends | National Air Quality: Status and ...

    Nitrogen dioxide (NO 2) is a key component of urban air pollution. The nitrogen oxides ("NOx" of which NO 2 is one component) are emitted from any combustion process. Coal- and gas-fired power plants and vehicles constitute the major anthropogenic (human-produced) sources.

  • Air Pollution from Oil and Gas Production Sites Visible ...

    Nitrogen dioxide and ozone react with the evolution of light and often explode [J. Chem. Phys. 18:366. 1920]. Contact of very cold liquefied gas with water may result in vigorous or violent boiling of the product and extremely rapid vaporization due to the large temperature differences involved.

  • Nitrogen Dioxide Dataset | Science On a Sphere

    These substances undergo no chemical reactions under any known circumstances except those under extreme conditions (liquid nitrogen reacts violently in mixture with magnesium powder when a fuse is lit. Due to formation of magnesium nitride). Otherwise, they are nonflammable, noncombustible and nontoxic. They can asphyxiate.

  • Trends in Atmospheric Carbon Dioxide - NOAA Earth System ...

    Jan 15, 2020· US and European satellites help scientists measure nitrogen dioxide from drilling, production and flaring. ... a CIRES scientist working in NOAA's Chemical Sciences Division, "It is …

  • NITRIC OXIDE | CAMEO Chemicals | NOAA

    Air Quality Guide for Nitrogen Dioxide. This guide provides you with information about ways to protect your health when nitrogen dioxide levels reach the unhealthy range, and ways you can help reduce nitrogen dioxide air pollution. View or print guide in PDF (2 pp., 281KB, about PDF)

  • ESRL Global Monitoring Division - Global Greenhouse Gas ...

    Jan 07, 2020· What is Eutrophication? It’s a problem that should matter to you, whether you live near the ocean or not. That’s because it begins wherever people live and ends with damage to resources we all use and enjoy.It all starts when nutrients get into lakes and oceans. Remember, what’s waste to humans can be food to plants and other creatures.

  • What is eutrophication? - NOAA's National Ocean Service

    Nitrogen Dioxide (nitrogen peroxide) is a strong oxidizing agent. Powdered aluminum burns in the vapor of carbon disulfide, sulfur dioxide, sulfur dichloride, nitrous oxide, nitric oxide, or nitrogen peroxide [Mellor 5:209-212. 1946-47].

  • NITROGEN DIOXIDE | CAMEO Chemicals | NOAA

    Combines very rapidly with oxygen in the air to form nitrogen dioxide. Nitrogen dioxide reacts with water to form nitric acid and nitric oxide, reacts with alkalis to form nitrates and nitrites [Merck 11th ed. 1989]. Fire Hazard. Burns only when heated with hydrogen. With carbon disulfide, it reacts explosively with emission of light.

  • Air Quality Guide for Nitrogen Dioxide

    The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration's environmental information and services on global to local scales.

  • Carbon cycle | National Oceanic and Atmospheric Administration

    The program measures Nitrogen Dioxide (NO 2), including NO 2 90° slant column density data, from Mauna Loa Observatory. How does this program work? The NO 2 monitor uses a single grating monochromator to measure the zenith skylight between 450 nm and 490 nm, with a resolution of about 1 …

  • NOAA Nitrogen Oxides and Ozone (NOyO3) | NASA Airborne ...

    Dataset Catalog. Name . Category . Date Added . Display. List Gallery Sort. Show results for. Main categories. All Air Subcategories. All Tropical Cyclones Weather Chemistry ...

  • ESRL Global Monitoring Division - Mauna Loa Observatory

    May 03, 2019· The NOAA NOyO 3 4-channel chemiluminescence (CL) instrument will provide in-situ measurements of nitric oxide (NO), nitrogen dioxide (NO 2), total reactive nitrogen oxides (NO y), and ozone (O 3) on the NASA DC-8 during the FIREX-AQ project.Different versions of this instrument have flown on the NASA DC-8 and NOAA WP-3D research aircraft on field projects since 1995.

  • ESRL Global Monitoring Division - Education and Outreach

    "Air" is the common name given to the combination of gases used by organisms for breathing and photosynthesis. By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide and smaller amounts of various other gases as well as varying amounts of water vapor.

  • Nitrogen dioxide | NO2 - PubChem

    This protective bubble consists of several gases (listed in the table to the right) with the top four making up 99.998% of all gases. Of the dry composition of the atmosphere nitrogen, by far, is the most common.Nitrogen dilutes oxygen and prevents rapid burning at the Earth's surface.

  • Greenhouse Gases | Monitoring References | National ...

    Mar 21, 2020· The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration's environmental information and services on global to …

  • NITRIC OXIDE AND NITROGEN TETROXIDE MIXTURE | CAMEO ... - …

    The slides include carbon cycle reservoirs, carbon dioxide in the atmosphere - both for today and for 300 years ago, and a slide with a graph of CO2 concentrations in the atmosphere for the past 1000 years, as well as an overlay of global temperature that can be viewed to show the corresponding rise in both. Data sources not referenced.