Sentences with phrase «thawing of permafrost thus»

Warming of arctic soils and thawing of permafrost thus can have substantial consequences for the global climate, as the large C and N stores could be released to the atmosphere as the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O).

Not exact matches

However, little study has been done thus far on the effects of permafrost thaw on Arctic and subarctic ponds.

Their findings, published March 9 in Proceedings of the National Academy of Sciences, show that groundwater from the seasonal thawing of the «active layer» of soil above the permafrost adds significantly to the overall concentration of methane in the lake and thus influences the emission of this powerful greenhouse gas to the atmosphere.

Isn't the methane from the tropical wetlands part of a natural cycle (thus net zero), while the thawed permafrost is a net positive source of methane?

The next big issue to «surface» I fear is the issue of permafrost thawing, and thus releasing methane into the atmosphere, which is not going to be a good thing for the planet.

Because present - day permafrost landscapes generally support a greater abundance of lakes and wetlands than do thawed landscapes (Smith et al., 2005, 2007), a complete disappearance of permafrost would suggest an ultimately drier land surface and thus reduced methane production.