Tag Archives: Northern Hemisphere

No simultaneous warming of northern and southern hemispheres as a result of climate change


New study shows no simultaneous warming of northern and southern hemispheres as a result of climate change for 20 000 years A common argument against global warming is that the climate has always varied. Temperatures rise sometimes and this is … Continue reading

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Canadian ozone network faces axe


Arctic monitoring stations hit by budget constraints. Quirin Schiermeier, Nature The Harper Government™ continues its war on science: A key source of information about the health of the ozone layer above the Arctic looks set to be choked off. In … Continue reading

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Increased flood risk linked to global warming


2011-02-16 Nature 470, 316 (2011) | doi:10.1038/470316a Likelihood of extreme rainfall may have been doubled by rising greenhouse-gas levels. Climate change may be hitting home. Rises in global average temperature are remote from most people’s experience, but two studies in … Continue reading

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Shrinking snow and ice cover intensify global warming


2011-01-18 Nature Geoscience, U. Michigan, Oregon State U. Radiative forcing and albedo feedback from the Northern Hemisphere cryosphere between 1979 and 2008 ANN ARBOR, Mich.—The decreases in Earth’s snow and ice cover over the past 30 years have exacerbated global … Continue reading

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Thaw of Earth’s icy sunshade may stoke warming


2011-01-16 Scientific American, Reuters, Alister Doyle OSLO (Reuters) – Shrinking ice and snow cover in the Northern Hemisphere is reflecting ever less sunshine back into space in a previously underestimated mechanism that could add to global warming, a study showed. … Continue reading

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NASA Satellites Capture a Stronger La Nina


New NASA satellite data indicate the current La Niña event in the eastern Pacific has remained strong during November and December 2010. A new Ocean Surface Topography Mission (OSTM)/Jason-2 satellite image of the Pacific Ocean that averaged 10 days of … Continue reading

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State of the Climate Global Analysis Annual 2010


2011-01-12 National Oceanic and Atmospheric Administration, National Climatic Data Center Global Highlights For 2010, the combined global land and ocean surface temperature tied with 2005 as the warmest such period on record, at 0.62°C (1.12°F) above the 20th century average … Continue reading

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