![]() ![]() Alongside carbon dioxide, methane is one of those gases for which the Kyoto Protocol stipulates that cuts must be achieved. Natural sources include swamps and marshlands as well as thawing permafrost. ![]() ![]() Methane emissions are caused by human activities as well as natural sources – for example, from rice paddies, animal husbandry, biomass decomposition, landfill sites or energy generation. Methane is after carbon dioxide the strongest anthropogenic greenhouse gas. Since pre-industrial times, the amount of methane in the atmosphere has more than doubled, whereas the growth in carbon dioxide levels during the same period has been 'only' thirty percent. Now, at a time when there is much discussion about mankind being directly responsible for the rise in the emission of greenhouse gases, methane emission levels already far outstrip carbon dioxide. Methane (CH 4) and carbon dioxide (CO 2) both cause global warming, although the impact of methane is 25 times more powerful than the one of carbon dioxide on a timescale of 100 years. The primary objective is to obtain spatial and temporal gradients of atmospheric methane (CH 4) columns with high precision and unprecedented accuracy on a global scale. MERLIN is a Franco-German collaborative minisatellite climate mission. Spacecraft Launch Sensor Complement Ground Segment References MERLIN (Methane Remote Sensing Lidar Mission) Minisatellite ![]()
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