stable

Entry: Anthropogenic GHG

URI: http://registry.it.csiro.au/def/agriculture/nlmp/Anthropogenic-GHG

Caused or induced by humans; of human origin. Since about 1750 human activity has increased the concentration of carbon dioxide and other greenhouse gases. Currently, the measured atmospheric concentrations of carbon dioxide are about 100 ppm higher than pre-industrial levels. Natural sources of carbon dioxide emit more than 20 times more CO2 than anthropogenic sources. However over a 20-year period, emission sources and sinks of CO2 from natural sources are balanced. As a result of this balance, the atmospheric mole fraction of carbon dioxide remained between 260 and 280 parts per million for the 10,000 years between the end of the last glacial maximum and the start of the industrial era. It is likely that anthropogenic induced warming will have a discernible influence on many physical and biological systems and future warming scenarios suggest sea level rise, increased frequency and severity of extreme weather events, loss of biodiversity and regional changes in agricultural productivity.

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is a Concept
submitted bySimon Cox

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date submitted 10 Aug 2015 10:20:05.055
definition
entity Anthropogenic GHG
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description Caused or induced by humans; of human origin. Since about 1750 human activity has increased the concentration of carbon dioxide and other greenhouse gases. Currently, the measured atmospheric concentrations of carbon dioxide are about 100 ppm higher than pre-industrial levels. Natural sources of carbon dioxide emit more than 20 times more CO2 than anthropogenic sources. However over a 20-year period, emission sources and sinks of CO2 from natural sources are balanced. As a result of this balance, the atmospheric mole fraction of carbon dioxide remained between 260 and 280 parts per million for the 10,000 years between the end of the last glacial maximum and the start of the industrial era. It is likely that anthropogenic induced warming will have a discernible influence on many physical and biological systems and future warming scenarios suggest sea level rise, increased frequency and severity of extreme weather events, loss of biodiversity and regional changes in agricultural pro...
item class Concept
label Anthropogenic GHG
notation Anthropogenic-GHG
register nlmp
status status stable
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account name simon.cox@csiro.au
name Simon Cox

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Definition

description Caused or induced by humans; of human origin. Since about 1750 human activity has increased the concentration of carbon dioxide and other greenhouse gases. Currently, the measured atmospheric concentrations of carbon dioxide are about 100 ppm higher than pre-industrial levels. Natural sources of carbon dioxide emit more than 20 times more CO2 than anthropogenic sources. However over a 20-year period, emission sources and sinks of CO2 from natural sources are balanced. As a result of this balance, the atmospheric mole fraction of carbon dioxide remained between 260 and 280 parts per million for the 10,000 years between the end of the last glacial maximum and the start of the industrial era. It is likely that anthropogenic induced warming will have a discernible influence on many physical and biological systems and future warming scenarios suggest sea level rise, increased frequency and severity of extreme weather events, loss of biodiversity and regional changes in agricultural pro...
label Anthropogenic GHG
type Concept

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