Monitoring surface climate with its emissivity derived from satellite measurements

Daniel K. Zhou; Allen M. Larar; Xu Liu

doi:10.1117/12.974215

21 November 2012 Monitoring surface climate with its emissivity derived from satellite measurements

Daniel K. Zhou, Allen M. Larar, Xu Liu

Proceedings Volume 8524, Land Surface Remote Sensing; 85240I (2012) https://doi.org/10.1117/12.974215
Event: SPIE Asia-Pacific Remote Sensing, 2012, Kyoto, Japan

Abstract

Satellite thermal infrared (IR) spectral emissivity data have been shown to be significant for atmospheric research and monitoring the Earth’s environment. Long-term and large-scale observations needed for global monitoring and research can be supplied by satellite-based remote sensing. Presented here is the global surface IR emissivity data retrieved from the last 5 years of Infrared Atmospheric Sounding Interferometer (IASI) measurements observed from the MetOp-A satellite. Monthly mean surface properties (i.e., skin temperature T_s and emissivity spectra ε_ν) with a spatial resolution of 0.5×0.5-degrees latitude-longitude are produced to monitor seasonal and inter-annual variations. We demonstrate that surface ε_ν and T_s retrieved with IASI measurements can be used to assist in monitoring surface weather and surface climate change. Surface ε_ν together with T_s from current and future operational satellites can be utilized as a means of long-term and large-scale monitoring of Earth’s surface weather environment and associated changes.

Citation Download Citation

Daniel K. Zhou, Allen M. Larar, and Xu Liu "Monitoring surface climate with its emissivity derived from satellite measurements", Proc. SPIE 8524, Land Surface Remote Sensing, 85240I (21 November 2012); https://doi.org/10.1117/12.974215

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