Clipping of news on Brazilian Culture, Law and Citizenship
03/29/2012
This article was translated by an automatic translation system, and was therefore not reviewed by people.
Process releases greenhouse gas emissions, aggravating global warming
The European Space Agency (ESA, its acronym in English) said on Tuesday that its satellites allowed us to observe signs of thawing permafrost, soil type found in the Arctic, in a process that releases greenhouse gases and exacerbates the effects of changing climate.
The agency detailed that although it can not directly measure the space the permafrost, the layer which by definition remains frozen on Earth more than two years, regardless of the change of seasons, you can capture indicators such as surface temperature or the refurbishment of the ground.
While not providing specific figures about the changes, stated that "the combination of field measurements with remote sensing and climatological models can advance our understanding of complex processes in the permafrost and improve climatological forecasts."
The ESA said, however, that although the latest data provide valuable information that can be used with the extracted observation of climate and hydrological models, it is necessary to continue the assessment of permafrost in the future and delve into the past.
And this need justified by the fact that "in studies of climate change is essential to have a temporary longest series of data from observation satellites."
The agency noted that about half of organic carbon on Earth is in the permafrost of the northern regions, which represents more than double the amount of carbon in the atmosphere as methane and carbon dioxide.
Source: Ig News
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This article was translated by an automatic translation system, and was therefore not reviewed by people.