Sentences with phrase «stalagmite showing»

Scanned image of a polished stalagmite showing growth layers.
However, the climatic and precipitation data stored in the stalagmite showed a clearly higher age.
A reconstruction of Northern Hemisphere temperature from stalagmites shows that while the uncertainty range (grey area) is significant, the temperature in the latter 20th Century exceeds the maximum estimate over the past 500 years (Smith 2006).
Indeed an examination of a stalagmite shows that the Bronze Age coincided with a period of severe drought at 1200 BC.

Not exact matches

Other research on stalagmites in China has shown that the East Asian monsoon changed at the same time as the Heinrich and Dansgaard - Oeschger climate changes.
«Our results show for the first time that wildfire changes cave dripwater chemistry, and this chemistry will be preserved in stalagmites,» says Nagra.
The authors could make a stronger case for Neanderthals if they can show, for instance, that the stalagmite pieces are uniform in size or shape and therefore selected.
Further in their Fig. 1 Courtillot et al. show geochemical data from a Central Alpine stalagmite which purports to establish a highly tight correlation between climate variations and a solar activity proxy; as Bard and Delaygue note, Courtillot and co-workers have concealed the fact that the correlation is so good precisely because the chronology of the two series being compared has been finely tuned to expressly maximize the correlation.
The Great Blue Hole shown is one of the top attractions in Belize and is a mecca for those wanting to dive among its giant stalactites and stalagmites, which were formed during the last Ice Age.
Climatic archives (marine and lake sediment, polar ice, stalagmites) show the close relationship existing between climatic variations and oceanic circulation.
Figure 2 shows a Northern Hemisphere temperature reconstruction from stalagmites.
Independent non-thermometer data (so - called proxies, like tree rings, ice cores, ocean sediments, stalagmites, etc.) also show no warming trend between 1978 and 2000.
These researchers used historical data detailing temperatures as well as cave stalagmites to show a recurring 200 - year solar cycle called the DeVries Cycle.
Fred Singer is going around claiming that most «tree rings, ice cores, lake and ocean sediments, stalagmites... haven't shown any warming since 1940».
Dongge cave stalagmite D shows at 8.2 kyr the usual Asian monsoon weakening that takes place during periods of low solar activity.
I couldn't stop laughing at the chart showing data derived from one stalagmite in one cave that is then extrapolated to the planet as a whole.
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