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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 5, issue 4 | Copyright
Nat. Hazards Earth Syst. Sci., 5, 495-498, 2005
https://doi.org/10.5194/nhess-5-495-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  19 Jul 2005

19 Jul 2005

Quantitative expression on drought magnitude and disaster intensity

L. H. Feng1 and X. C. Zhang2 L. H. Feng and X. C. Zhang
  • 1Department of Geography, Zhejiang Normal University, Jinhua 321004, China
  • 2Institute of Remote Sensing, Zhejiang Normal University, Jinhua 321004, China

Abstract. According to the calculation of wind scale and earthquake magnitude, this paper puts forward the concept of drought magnitude and disaster intensity and lays out a new method by quantitative calculation. Drought magnitude is the quantitative index that describes the scale of a drought, and disaster intensity of drought is the quantitative index to describe the loss caused by a drought. Both indices have many theoretical and practical advantages with definable concepts and simple applications; therefore they are of important practical significance.

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