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Scientists solve long-standing mystery:Why atmospheric carbon dioxide was lower during ice ages（图）
Scientists long-standing mystery atmospheric carbon dioxide lower during ice ages
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2019/10/28
Since scientists first determined that atmospheric carbon dioxide was lower during ice ages than during warm phases, they have looked at why, theorizing that it may be a function of ocean circulation,...
The Ages of Large Amplitude Coastal Seiches on the Caribbean Coast of Puerto Rico
Ages Large Amplitude Coastal Seiches Caribbean Coast Puerto Rico
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2008/7/2
Using a process denoted here as the empirical mode decomposition and the Hilbert spectral analysis, the ages of the seiches on the Caribbean coast of Puerto Rico are determined from their dispersion c...
Assessing sources and ages of organic matter supporting river and estuarine bacterial production: A multiple-isotope (D14 C, d 13 C, and d 15 N) approach
Assessing sources organic matter supporting
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2014/5/19
We used radiocarbon (D14
C) and stable isotopic (d
13
C, d
15
N) signatures of bacterial nucleic acids to estimate the
sources and ages of organic matter (OM) assimilated by bacteria in the Huds...
Use of bomb radiocarbon to validate otolith section ages of red snapper Lutjanus campechanus from the northern Gulf of Mexico
bomb radiocarbon otolith section ages red snapper Lutjanus campechanus northern Gulf of Mexico
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2014/6/10
The red snapper Lutjanus campechanus is an important recreational and commercial fish species in the northern Gulf of Mexico. Management approaches have varied in part because of uncertainty of their ...