What property of glacial ice helps climatologists to reconstruct the CO2 concentrations of the atmosphere during the past?
A) The amount of 16O in the water.
B) The ratio of oxygen isotopes in the ice.
C) The amount of volcanic ash frozen in the ice.
D) The contents of the air bubbles trapped in the ice.
Question 2
The vertical height reached by convective currents in the atmosphere is called:
A) the mixing depth. B) a temperature inversion.
C) the convective inversion. D) vertical transport potential.
Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and
Landbridge connections between continental Asia and Indonesia during glacial periods extend as far a
How Oxygen-16 Becomes More Concentrated in Glacial Ice
The Last 10,000 Years of Greenhouse Gas Concentrations
Atmospheric CO2 Concentrations Increased Very Rapidly during the Last 200 Years
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