Figure 2 (image) Moscow Institute of Physics and Technology Share Print E-Mail Caption Concentration of water vapor in the atmosphere dependent on heliographic longitude, height from the surface, and geographic latitude. The blue and red indicate downward and upward flows, respectively. Credit Dmitry S. Shaposhnikov et al./Geophysical Research Letters Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.