Department of Climate and Space Sciences and Engineering in the College of Engineering at the University of Michigan

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Professor Xianglei Huang’s research to be featured at NASA Meeting

Posted: November 6, 2012

Professor Xianglei Huang’s research to be featured at NASA Meeting

The NASA Sounder Science Team Meeting this November will feature Professor Huang’s paper on innovative use of atmospheric infrared sounder data, entitled “Assessing Stability of CERES-FM3 Daytime Longwave Unfiltered Radiance with AIRS Radiances.”

“This is a study that used a well-calibrated spectrometer to understand the secular drift of a broadband radiometer aboard the same spacecraft,” Huang says.

According to Huang, measuring and understanding the secular trend of broadband radiation flux out of our planet are the keys to the monitoring and understanding of climate change. However, so far broadband flux measurements from space suffer from the technical issue of shortwave degradation with time.

“This study utilized results from a high spectral-resolution spectrometer to identify such secular drift and independently verify the semi-empirical correction applied to the broadband observation for this secular drift,” Huang says.

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