Effects of Ship Emissions on Sulphur Cycling and Radiative Climate Forcing Over the Ocean, Capaldo, K., et al., Nature, August 19, 1999, (vol. 400, no. 6746, pp. 743-746)

Satellite and Ground—based Study of Optical Properties of 1997 Indonesian Forest Fire Aerosols, Nakajima, T., Higurashi, A., Takeuchi, N., Herman, J. R., Geophysical Research Letters, August 15, 1999 (vol. 26, no. 16, p. 2421)

Solar Cycle Length and 20th Century Northern Hemisphere Warming: Revisited, Damon, P. E., Peristykh, A. N., Geophysical Research Letters, August 15, 1999 (vol. 26, no. 16, p. 2469)

Stochastically Induced Climate Shift of El Niño—Southern Oscillation, Fl�gel, M., Chang, P., Geophysical Research Letters, August 15, 1999 (vol. 26, no. 16, p. 2473)

Relative Influences of Atmospheric Chemistry and Transport on Arctic Ozone Trends, Chipperfield, M. P., Jones, R. L., Nature, August 5, 1999, (vol. 400, no. 6744, pp. 551-554)

Altitude Dependence of the Ice Sheet Surface Climate, Krinner, G., Genthon, C. Geophysical Research Letters, August 1, 1999 (vol. 26, no. 15, p. 2227)

Can El Niño Amplify the Solar Forcing of Climate? Ruzmaikin, A. Geophysical Research Letters, August 1, 1999 (vol. 26, no. 15 , p. 2255)

The Relationship Between the Southern Oscillation Index and Tropical Cyclone Tracks in the Eastern North Pacific, Irwin, R. P., III, Davis, R. E. Geophysical Research Letters, August 1, 1999 (vol. 26, no. 15, p. 2251)

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