Sentences with phrase «ice core data reveals»
A 2015 study using regional ice core data reveals no unusual temperature changes but an exceptional 30 % increase in snow accumulation during the twentieth century, again supporting Zwally's analysis of mass gain in interior west Antarctica.
http://landscapesandcycles.net/
What matters is not the warming rate since the mid-19th century but the fact that ice core data reveal the existence of a quasi-millenarian (natural) oscillation, that well correlates with observed (mean) warming observed since the mid-19th century.
The ice core data revealed that BC reached values of 20 - 50 ng / g in the 1950s and 1960s for the four stations that are downwind of European pollution sources.
Not exact matches
In addition to # 56, the ice core data mentioned in http://www.realclimate.org/index.php?p=13 reveal that a decrease in temperature (some 8 K) in the previous interglacial - glacial transition is followed by a CO2 decrease of ~ 50 ppmv, many thousands of years later.
Data from Antarctic ice cores reveals an interesting story for the past 400,000 years.
How wonderful that ice core data has so recently and excellently revealed these clear cut climate relationships.
A combination of historical ice core data and air monitoring instruments reveals a consistent trend: global atmospheric methane concentrations have risen sharply in the past 2000 years.
Historical records from early settlements reveal glacier boundaries, as does ice core data taken by drilling down into the annual layers of ice that make up glaciers.