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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 9
Nat. Hazards Earth Syst. Sci., 10, 1957–1964, 2010
https://doi.org/10.5194/nhess-10-1957-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The GITEWS Project (German-Indonesian Tsunami Early Warning...

Nat. Hazards Earth Syst. Sci., 10, 1957–1964, 2010
https://doi.org/10.5194/nhess-10-1957-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  21 Sep 2010

21 Sep 2010


Concept study of radar sensors for near-field tsunami early warning

T. Börner1, M. Galletti1,*, N. P. Marquart1,**, and G. Krieger1 T. Börner et al.
  • 1Microwaves and Radar Institute, German Aerospace Center in the Helmholtz Alliance (DLR), Oberpfaffenhofen, Germany
  • *now at: NOAA, Norman, OK, USA
  • **now at: European Patent Office, Munich, Germany

Abstract. Off-shore detection of tsunami waves is a critical component of an effective tsunami early warning system (TEWS). Even more critical is the off-shore detection of local tsunamis, namely tsunamis that strike coastal areas within minutes after generation. In this paper we propose new concepts for near-field tsunami early detection, based on innovative and up-to-date microwave remote sensing techniques. We particularly introduce the NESTRAD (NEar-Space Tsunami RADar) concept, which consists of a real aperture radar accommodated inside a stationary stratospheric airship providing continuous monitoring of tsunamigenic oceanic trenches.

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