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Nitrous oxide gas is a long-lived relatively active greenhouse gas
(GHG) with an atmospheric lifetime of approximately 120 years, and
heat trapping effects about 310 times more powerful than carbon
dioxide per molecule basis. It contributes about 6% of observed
global warming. Nitrous oxide is not only a potent GHG, but it also
plays a significant role in the depletion of stratospheric ozone.
This book describes the anthropogenic sources of N2O with major
emphasis on agricultural activities. It summarizes an overview of
global cycling of N and the role of nitrous oxide on global warming
and ozone depletion, and then focus on major source, soil borne
nitrous oxide emissions. The spatial-temporal variation of soil
nitrous oxide fluxes and underlying biogeochemical processes are
described, as well as approaches to quantify fluxes of N2O from
soils. Mitigation strategies to reduce the emissions, especially
from agricultural soils, and fertilizer nitrogen sources are
described in detail in the latter part of the book.
Nitrous oxide gas is a long-lived relatively active greenhouse gas
(GHG) with an atmospheric lifetime of approximately 120 years, and
heat trapping effects about 310 times more powerful than carbon
dioxide per molecule basis. It contributes about 6% of observed
global warming. Nitrous oxide is not only a potent GHG, but it also
plays a significant role in the depletion of stratospheric ozone.
This book describes the anthropogenic sources of N2O with major
emphasis on agricultural activities. It summarizes an overview of
global cycling of N and the role of nitrous oxide on global warming
and ozone depletion, and then focus on major source, soil borne
nitrous oxide emissions. The spatial-temporal variation of soil
nitrous oxide fluxes and underlying biogeochemical processes are
described, as well as approaches to quantify fluxes of N2O from
soils. Mitigation strategies to reduce the emissions, especially
from agricultural soils, and fertilizer nitrogen sources are
described in detail in the latter part of the book.
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