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Theoretical and Applied Climatology

, Volume 138, Issue 3–4, pp 1311–1321 | Cite as

Study of the natural rainstorm moving regularity method for hyetograph design

  • Daiqiang Liao
  • Haonan ZhuEmail author
  • Jie Zhou
  • Ying Wang
  • Jia Sun
Original Paper
  • 61 Downloads

Abstract

Using minute-based precipitation data for the period of 1961–2016 from the National Basic Weather Station of Shapingba, the main urban region of Chongqing, China, and by combining the concept of moving sampling with the natural rainstorm process, a novel sampling technique called natural rainstorm moving sampling was designed. A novel design hyetograph method, the natural rainstorm moving regularity (NRMR) method, was derived from this sampling technique for hyetograph design. The samples obtained through natural rainstorm moving sampling were compared with those obtained from the annual maximum method (a commonly used sampling method) and with actual waterlogging records. Fuzzy identification verified the rationality of the NRMR method in determining the peak shape. In addition, the NRMR method, the Pilgrim and Cordery (PC) method, the Chicago method, and the common-frequency method were compared; the results showed that natural rainstorm moving sampling is a reasonable sampling approach, and it is simpler and more applicable than the other methods. The results of this study provide a scientific basis and reference for urban drainage design to reduce urban waterlogging disasters in Chongqing. At present, the results have been applied in the formulation of the rainstorm intensity and the design of a rainstorm hyetograph in Chongqing.

Notes

Acknowledgements

The study of the natural rainfall moving sampling hyetograph method for heavy precipitation provides a scientific basis for urban drainage design and reducing urban flood disasters.. We are especially grateful to the Chongqing Meteorological Information and Technology Support Center for providing the minute-by-minute precipitation data for the Shapingba Weather Station from 1961 to 2016. Thanks are also owed to Dr. Xiaochun Liu for translating some texts.

Funding information

All authors are very grateful to the Chongqing Municipal Meteorological Bureau for providing financial support for their research.

Compliance with ethical standards

Conflict of interest

The authors declare they have no conflicts of interest.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Chongqing Climate CenterChongqingChina

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