In January-February 2003 the 14-channel NASA Ames Airborne Tracking Sunphotometer 30 (AATS) and the NASA Langley/Ames Diode Laser Hygrometer (DLH) were flown on the NASA DC-8 aircraft. AATS measured column water vapor on the aircraft-to-sun path, while DLH measured local water vapor in the free stream between the aircraft fuselage and an outboard engine cowling. The AATS and DLH measurements were compared for two DC-8 vertical profiles by differentiating the AATS column measurement and/or integrating the DLH local measurement over the altitude range of each profile (7.7-10 km and 1.2-12.5 km). These comparisons extend, for the first time, tests of AATS water vapor retrievals to altitudes >~6 km and column contents
Revised: July 2, 2010 |
Published: October 29, 2008
Citation
Livingston J.M., B. Schmid, P.B. Russell, J.R. Podolske, J. Redemann, and G.S. Diskin. 2008.Comparison of Water Vapor Measurements by Airborne Sun Photometer and Diode Laser Hygrometer on the NASA DC-8.Journal of Atmospheric and Oceanic Technology 25, no. 10:1733-1743.PNNL-SA-56148.doi:10.1175/2008JTECHA1047.1