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Downscaling Precipitation in Hemavathy River Basin by Three Different Approaches

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Development of Water Resources in India

Part of the book series: Water Science and Technology Library ((WSTL,volume 75))

Abstract

Hydrologic risk assessment studies in the context of changing climate scenario require quality information at regional scale. Commonly used general circulation models (GCMs), simulating climate impacts, have low spatial resolution. A number of statistical and dynamical downscaling approaches are available to overcome the mismatch between site resolution at which information is required and the GCM spatial resolutions. Three such statistical downscaling approaches, viz. Long Ashton Research Station-Weather Generator (LARS-WG), linear scaling (LS) and quantile mapping (QM), are used to downscale daily precipitation data from EC-EARTH model simulations under Representative Concentration Pathway (RCP) 4.5 scenario in Hemavathy River basin. It is observed that an increase in precipitation intensities and magnitudes is expected.

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Authors and Affiliations

  1. National Institute of Technology Warangal, Hanamkonda, India

    A. N. Rohith & K. V. Jayakumar

Authors
  1. A. N. Rohith
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  2. K. V. Jayakumar
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Corresponding author

Correspondence to A. N. Rohith .

Editor information

Editors and Affiliations

  1. Department of Civil Engineering, University of Petroleum and Energy Studies, Dehradun, India

    Vikas Garg

  2. Department of Biological and Agricultural Engineering and Zachry Department of Civil Engineering, Texas A&M University, College Station, Texas, USA

    Vijay P. Singh

  3. Department of Civil Engineering, University of Petroleum and Energy Studies, Dehradun, India

    Vijay Raj

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Rohith, A.N., Jayakumar, K.V. (2017). Downscaling Precipitation in Hemavathy River Basin by Three Different Approaches. In: Garg, V., Singh, V., Raj, V. (eds) Development of Water Resources in India. Water Science and Technology Library, vol 75. Springer, Cham. https://doi.org/10.1007/978-3-319-55125-8_16

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