References

NHESSD

Natural Hazards and Earth System Sciences Discussions

NHESSD

Nat. Hazards Earth Syst. Sci. Discuss.

2195-9269

Göttingen, Germany

10.5194/nhessd-2-4439-2014

Study on multi-parameters of thermal infrared remote sensing anomalies of the Yushu earthquake

¹ ² Meng

Q. Y.

¹ Gu

X. F.

¹ Zhang

X. D.

³ Xiong

³ Ma

W. Y.

² Xie

Institute of Remote Sensing and Digital Earth, China Academy of Sciences, Beijing, China

China Earthquake Networks Center, China Earthquake Administration, Beijing, China

Institute of Earthquake Science, China Earthquake Administration, Beijing, China

24 06 2014

2 6 4439 4462

2014

This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/

This article is available from https://nhess.copernicus.org/preprints/2/4439/2014/nhessd-2-4439-2014.html

The full text article is available as a PDF file from https://nhess.copernicus.org/preprints/2/4439/2014/nhessd-2-4439-2014.pdf

Different temporal and special multi-parameters of infrared remote sensing anomalies of the Yushu earthquake, including the Outgoing Longwave Radiation (OLR), the Land Surface Temperature (LST) and surface temperature from the National Center for Environmental Prediction (NCEP) were studied in this paper. All results confirmed previous observation of thermal anomalies in seismic region prior to this earthquake. Compared to the multi-parameter anomalies, the underground water temperature anomaly appeared first and lasted for the longest time; OLR anomalies reflected the radiation characteristics of the land surface medium as the first infrared parametric anomaly; TBB anomalies appearing later than OLR are abnormal because the results were converted by calculating the radiation value of the underlying surface; the third thermal anomaly was LST. NCEP temperature reflected the average atmosphere temperature with a certain vertical thickness, therefore it was the latest anomaly. The anomalies of OLR, TBB and LST lasted for a similar time length and were nearly located in the south or southwest of the epicenter.

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