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  • Impacts of Climate Change on the HydrometeorologicalCharacteristics of the Soan River Basin, Pakistan

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    Ndehedehe498516-Published.pdf (1.569Mb)
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    Version of Record (VoR)
    Author(s)
    Usman, Muhammad
    Ndehedehe, Christopher
    Manzanas, Rodrigo
    Ahmad, Burhan
    Adeyeri, Oluwafemi E
    Griffith University Author(s)
    Ndehedehe, Christopher E.
    Year published
    2021
    Metadata
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    Abstract
    The global hydrological cycle is vulnerable to changing climatic conditions, especially in developing regions, which lack abundant resources and management of freshwater resources. This study evaluates the impacts of climate change on the hydrological regime of the Chirah and Dhoke Pathan sub catchments of the Soan River Basin (SRB), in Pakistan, by using the climate models included in the NEX-GDDP dataset and the hydrological model HBV-light. After proper calibration and validation, the latter is forced with NEX-GDDP inputs to simulate a historic and a future (under the RCP 4.5 and RCP 8.5 emission scenarios) streamflow. ...
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    The global hydrological cycle is vulnerable to changing climatic conditions, especially in developing regions, which lack abundant resources and management of freshwater resources. This study evaluates the impacts of climate change on the hydrological regime of the Chirah and Dhoke Pathan sub catchments of the Soan River Basin (SRB), in Pakistan, by using the climate models included in the NEX-GDDP dataset and the hydrological model HBV-light. After proper calibration and validation, the latter is forced with NEX-GDDP inputs to simulate a historic and a future (under the RCP 4.5 and RCP 8.5 emission scenarios) streamflow. Multiple evaluation criteria were employed to find the best performing NEX-GDDP models. A different ensemble was produced for each sub catchment by including the five best performing NEX-GDDP GCMs (ACCESS1-0, CCSM4, CESM1-BGC, MIROC5, and MRI-CGCM3 for Chirah and BNU-ESM, CCSM4, GFDL-CM3. IPSLCM5A-LR and NorESM1-M for Dhoke Pathan). Our results show that the streamflow is projected to decrease significantly for the two sub catchments, highlighting the vulnerability of the SRB to climate change.
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    Journal Title
    Atmosphere
    Volume
    12
    Issue
    792
    Publisher URI
    https://www.mdpi.com/2073-4433/12/6/792
    DOI
    https://doi.org/10.3390/atmos12060792
    Copyright Statement
    © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Subject
    Climate change impacts and adaptation
    Pollution and contamination
    Atmospheric sciences
    Climate change processes
    Climatology
    Meteorology
    Surface water hydrology
    Publication URI
    http://hdl.handle.net/10072/405222
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    • Journal articles

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