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| Titel |
Surface latent heat flux as an earthquake precursor |
| VerfasserIn |
S. Dey, R. P. Singh |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 3, no. 6 ; Nr. 3, no. 6, S.749-755 |
| Datensatznummer |
250001328
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| Publikation (Nr.) |
 copernicus.org/nhess-3-749-2003.pdf |
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| Zusammenfassung |
| The
analysis of surface latent heat flux (SLHF) from
the epicentral regions of five recent earthquakes that occurred
in close proximity to the oceans has been found to show
anomalous behavior. The maximum increase of SLHF is
found 2–7 days prior to the main earthquake event. This increase
is likely due to an ocean-land-atmosphere interaction. The
increase of SLHF prior to the main earthquake event
is attributed to the increase in infrared thermal (IR) temperature
in the epicentral and surrounding region. The anomalous
increase in SLHF shows great potential in providing early
warning of a disastrous earthquake, provided that there
is a better understanding of the background noise due to
the tides and monsoon in surface latent heat flux. Efforts have
been made to understand the level of background noise in
the epicentral regions of the five earthquakes considered in the
present paper. A comparison of SLHF from the epicentral regions
over the coastal earthquakes and the earthquakes that
occurred far away from the coast has been made and it has
been found that the anomalous behavior of SLHF prior to the
main earthquake event is only associated with the coastal earthquakes. |
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