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Further Comment on “What Is the Atmosphere's Effect on Earth's Surface Temperature?”

Authors


Abstract

Xubin Zeng (Eos, 91(15), 134–135, 13 April 2010) has done a valuable service in pointing out that the conventional statement that Earth would be at a temperature of −18°C if its atmosphere were removed cannot be sustained, because the calculation incorporates an albedo that includes clouds. However, his own calculation of −5°C is equally untenable because it uses the current surface albedo.