7426876
Descripción
Mapa Mental por Carlos Alemán Mendoza, actualizado hace más de 1 año
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Creado por Carlos Alemán Mendoza
hace casi 8 años
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Atmospheric composition
- The flow of chemical elements and compounds between living organisms and the physical
environment
- Carbon
cycle
- The carbon that is absorbed from the atmosphere by plants
and animals can take several paths before reentering the
air as carbon dioxide. When a plant dies, it is broken down
by microorganisms – called decomposers – that feed on the
dead organic matter. As the microorganisms consume the
plant matter, they release some of the plant’s carbon into
the atmosphere in the form of CO2, although some is
destined for longer-term storage in trunks and branches of
trees and in the bodies of plant-eating animals or
carnivorous animals that eat plant-eating animals. These
animals then return more of the carbon to the atmosphere
as CO2 through respiration, although some will be stored
within their bodies until they die and decompose in the soil.
Finally, there will be carbon that remains stored in organic
matter that does not decompose.
- Trace gases
- VOCs
- CO2
- CO
- CH4
- VOCs
- Trace gases
- The carbon that is absorbed from the atmosphere by plants
and animals can take several paths before reentering the
air as carbon dioxide. When a plant dies, it is broken down
by microorganisms – called decomposers – that feed on the
dead organic matter. As the microorganisms consume the
plant matter, they release some of the plant’s carbon into
the atmosphere in the form of CO2, although some is
destined for longer-term storage in trunks and branches of
trees and in the bodies of plant-eating animals or
carnivorous animals that eat plant-eating animals. These
animals then return more of the carbon to the atmosphere
as CO2 through respiration, although some will be stored
within their bodies until they die and decompose in the soil.
Finally, there will be carbon that remains stored in organic
matter that does not decompose.
- Atmospheric nitrogen
cycle
- nitrogen is deposited from the atmosphere into
soils and surface waters, mainly through
precipitation. Once in the soils and surface waters,
nitrogen undergoes a set of changes: its two
nitrogen atoms separate and combine with
hydrogen to form ammonia (NH4+). This is done
by microorganisms that fall into three broad
categories: bacteria living in symbiotic
relationships with certain plants, free anaerobic
bacteria, and algae. Crops, such as alfalfa and
beans, are often planted in order to remedy the
nitrogen-depletion in soils, and nitrogen-fixing
bacteria employ an enzyme, known as
nitrogenase, to split atmospheric nitrogen
molecules into individual atoms for combination
into other compounds.
- Trace gases
- NH3
- HNO3
- NO2
- NO
- N2O
- NH3
- Trace gases
- nitrogen is deposited from the atmosphere into
soils and surface waters, mainly through
precipitation. Once in the soils and surface waters,
nitrogen undergoes a set of changes: its two
nitrogen atoms separate and combine with
hydrogen to form ammonia (NH4+). This is done
by microorganisms that fall into three broad
categories: bacteria living in symbiotic
relationships with certain plants, free anaerobic
bacteria, and algae. Crops, such as alfalfa and
beans, are often planted in order to remedy the
nitrogen-depletion in soils, and nitrogen-fixing
bacteria employ an enzyme, known as
nitrogenase, to split atmospheric nitrogen
molecules into individual atoms for combination
into other compounds.
- Atmospheric sulfur cycle
- The cycle begins with the weathering of rocks, releasing
the stored sulfur. The sulfur then comes into contact
with air where it is converted into sulfate (SO4). The
sulfate is taken up by plants and microorganisms and is
converted into organic forms; animals then consume
these organic forms through foods they eat, thereby
moving the sulfur through the food chain. As organisms
die and decompose, some of the sulfur is again released
as a sulfate and some enters the tissues of
microorganisms. There are also a variety of natural
sources that emit sulfur directly into the atmosphere,
including volcanic eruptions, the breakdown of organic
matter in swamps and tidal flats, and the evaporation
of water.
- Trace gases
- SO2
- OCS
- CS2
- CH3SCH3
- H2S
- SO2
- Trace gases
- The cycle begins with the weathering of rocks, releasing
the stored sulfur. The sulfur then comes into contact
with air where it is converted into sulfate (SO4). The
sulfate is taken up by plants and microorganisms and is
converted into organic forms; animals then consume
these organic forms through foods they eat, thereby
moving the sulfur through the food chain. As organisms
die and decompose, some of the sulfur is again released
as a sulfate and some enters the tissues of
microorganisms. There are also a variety of natural
sources that emit sulfur directly into the atmosphere,
including volcanic eruptions, the breakdown of organic
matter in swamps and tidal flats, and the evaporation
of water.
- Carbon
cycle
- Natural emissions
- Ozone
- Stratospheric ozone
- Thropospheric ozone
- Stratospheric ozone
- Ozone
- Anthropogenic emissions
- Halogen
- CFCs
- HCFCs
- HFCs
- Halons
- CFCs
- Aerosols (CCN)
- Fine solid or liquid in a
gas
- Fine solid or liquid in a
gas
- Halogen
- Biogeochemical cycles
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