• Thumbnail for Ozone–oxygen cycle
    The ozoneoxygen cycle is the process by which ozone is continually regenerated in Earth's stratosphere, converting ultraviolet radiation (UV) into heat...
    14 KB (1,796 words) - 15:57, 19 January 2025
  • Thumbnail for Ozone layer
    ultraviolet light hits ozone it splits into a molecule of O2 and an individual atom of oxygen, a continuing process called the ozoneoxygen cycle. Chemically, this...
    34 KB (3,831 words) - 18:07, 24 April 2025
  • Thumbnail for Oxygen cycle
    The oxygen cycle refers to the various movements of oxygen through the Earth's atmosphere (air), biosphere (flora and fauna), hydrosphere (water bodies...
    16 KB (1,422 words) - 00:45, 16 April 2025
  • Thumbnail for Stratosphere
    ozone layer was described by British mathematician and geophysicist Sydney Chapman in 1930, and is known as the Chapman cycle or ozoneoxygen cycle....
    20 KB (2,158 words) - 23:49, 4 May 2025
  • Thumbnail for Ozone
    allotrope of oxygen that is much less stable than the diatomic allotrope O 2, breaking down in the lower atmosphere to O 2 (dioxygen). Ozone is formed from...
    150 KB (18,239 words) - 16:32, 4 May 2025
  • Thumbnail for Ozone depletion
    allotropes) of oxygen are involved in the ozone-oxygen cycle: oxygen atoms (O or atomic oxygen), oxygen gas (O 2 or diatomic oxygen), and ozone gas (O 3 or...
    139 KB (15,994 words) - 07:45, 12 May 2025
  • Phosphorus cycle Sulfur cycle Rock cycle Mercury cycle Geotraces Ozoneoxygen cycle "geochemical cycle". Encyclopædia Britannica Online Academic Edition...
    5 KB (534 words) - 10:42, 11 May 2024
  • Methane cycleOzoneoxygen cycle – Phosphorus cycle – Selenium cycle – Silica cycle – Supercontinent cycle – Vanadium cycle – Wilson cycle – Zinc cycle Agricultural...
    9 KB (631 words) - 13:22, 24 April 2025
  • Thumbnail for Atmospheric chemistry
    exposures assessments. Oxygen cycle Ozone-oxygen cycle Paleoclimatology Scientific Assessment of Ozone Depletion Tropospheric ozone depletion events Cairns...
    29 KB (2,588 words) - 14:38, 27 April 2025
  • outflow boundary oxygen oxygen cycle ozone ozone depletion ozone depletion potential (ODP) ozone layer (ozonosphere layer) ozone-oxygen cycle Pacific decadal...
    27 KB (2,806 words) - 22:30, 15 April 2025
  • Thumbnail for Oxygen
    rarer triatomic allotrope of oxygen, ozone (O 3), strongly absorbs the UVB and UVC wavelengths and forms a protective ozone layer at the lower stratosphere...
    116 KB (11,975 words) - 21:26, 10 May 2025
  • Thumbnail for Nitrogen cycle
    The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial...
    65 KB (6,980 words) - 23:43, 30 April 2025
  • stratosphere, null cycles and when the null cycles are broken are very important to the ozone layer. One of the most important null cycles takes place in...
    3 KB (350 words) - 07:05, 5 May 2022
  • Thumbnail for Sulfur cycle
    oxygen isotopic values it may be possible to use oxygen to trace the sulfur cycle. Biological sulfate reduction preferentially selects lighter oxygen...
    61 KB (7,393 words) - 23:53, 6 April 2025
  • Thumbnail for Water cycle
    The water cycle (or hydrologic cycle or hydrological cycle) is a biogeochemical cycle that involves the continuous movement of water on, above and below...
    43 KB (5,246 words) - 15:26, 9 May 2025
  • Thumbnail for Dobson ozone spectrophotometer
    absorbed in the ozone-oxygen cycle.[citation needed] However some longer-wave and less harmful UVB and most of the UVA are not absorbed as ozone is less opaque...
    7 KB (893 words) - 18:35, 26 October 2024
  • are sometimes referred to as oxygen generators within the oxygen and ozone industries to distinguish them from medical oxygen concentrators. The distinction...
    26 KB (3,108 words) - 12:59, 2 December 2024
  • Thumbnail for Phosphorus cycle
    The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike...
    48 KB (5,394 words) - 12:14, 9 May 2025
  • Thumbnail for Iron cycle
    the presence of oxygen. Another type of abiotic process is the reduction of Fe3+ to Fe2+ by sulfide minerals. The biological cycling of Fe2+ is mediated...
    37 KB (3,966 words) - 08:32, 9 May 2025
  • Thumbnail for Biogeochemical cycle
    biogeochemical cycles are shown below: Carbon cycle Oxygen cycle Nitrogen cycle Nutrient cycle Phosphorus cycle Sulfur cycle Rock cycle Water cycle Many biogeochemical...
    54 KB (5,675 words) - 05:49, 25 April 2025
  • Pavlovsk in the Soviet Union. Sydney Chapman explains the ozone-oxygen cycle, the process by which ozone is continually regenerated in Earth's stratosphere....
    12 KB (1,133 words) - 12:58, 4 January 2025
  • Over-consumption Overpopulation Oxygen saturation Ozone depletion Ozone depletion potential Ozone layer Ozone-oxygen cycle Pacific Marine Environmental Laboratory...
    40 KB (3,764 words) - 23:52, 5 March 2025
  • Thumbnail for Nutrient cycle
    nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually...
    51 KB (5,273 words) - 09:41, 25 April 2025
  • Thumbnail for Chemical cycling
    nitrification, and denitrification Oxygen cycle and Ozoneoxygen cycle – a biogeochemical cycle of circulating oxygen between the atmosphere, biosphere...
    22 KB (2,433 words) - 14:24, 28 March 2025
  • Thumbnail for Marine biogeochemical cycles
    biogeochemical cycles for the elements calcium, carbon, hydrogen, mercury, nitrogen, oxygen, phosphorus, selenium, and sulfur; molecular cycles for water and...
    120 KB (10,826 words) - 15:45, 28 April 2025
  • Thumbnail for Ground-level ozone
    Ground-level ozone (O3), also known as surface-level ozone and tropospheric ozone, is a trace gas in the troposphere (the lowest level of the Earth's atmosphere)...
    35 KB (4,064 words) - 22:29, 23 April 2025
  • Thumbnail for Great Oxidation Event
    or Great Oxygenation Event, also called the Oxygen Catastrophe, Oxygen Revolution, Oxygen Crisis or Oxygen Holocaust, was a time interval during the Earth's...
    86 KB (9,611 words) - 14:45, 18 April 2025
  • Thumbnail for Geological history of oxygen
    multicellular organisms. The climatic changes associated with rising oxygen also produced cycles of glaciation and extinction events, each of which created disturbances...
    19 KB (2,256 words) - 17:45, 1 May 2025
  • as well as affecting tropospheric ozone. NOx gases are usually produced from the reaction between nitrogen and oxygen during combustion of fuels, such...
    35 KB (4,225 words) - 12:31, 30 January 2025
  • Thumbnail for Radical (chemistry)
    dioxide to an oxygen atom and nitric oxide (see eq. 1.1 below), which plays a key role in smog formation—and the photodissociation of ozone to give the...
    41 KB (4,608 words) - 05:39, 5 May 2025