Relatively little is known about polar cloud radiative properties. The region as a whole represents one of the few remaining global frontiers in atmospheric research.
© 2001 Optical Society of America
J. Campbell, E. J. Welton, and J. D. Spinhirne, " Measurements of polar cloud properties through continuous long-term lidar observation," in Optical Remote Sensing, A. Sawchuk, ed., Vol. 52 of OSA Trends in Optics and Photonics (Optical Society of America, 2001), paper OMC3.