Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/10461
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dc.contributor.authorSharannya, T.M.-
dc.contributor.authorMudbhatkal, A.-
dc.contributor.authorMahesha, A.-
dc.date.accessioned2020-03-31T08:19:14Z-
dc.date.available2020-03-31T08:19:14Z-
dc.date.issued2018-
dc.identifier.citationJournal of Earth System Science, 2018, Vol.127, 6, pp.-en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10461-
dc.description.abstractThe objective of this study is to evaluate the hydrological impacts of climate change on rainfall, temperature and streamflow in a west flowing river originating in the Western Ghats of India. The long-term trend analysis for 110 yr of meteorological variables (rainfall and temperature) was carried out using the modified Mann Kendall trend test and the magnitude of the trend was quantified using the Sen s slope estimator. The Regional Climate Model (RCM), COordinated Regional climate Downscaling EXperiment (CORDEX) simulated daily weather data of baseline (1951 2005) and future RCP 4.5 scenarios (2006 2060) were used to run the hydrological model, Soil and Water Assessment Tool (SWAT), in order to evaluate the effect of climate change on rainfall, temperature and streamflow. Significant changes were observed with regard to rainfall, which have shown decreasing trend at the rate of 2.63 mm per year for the historical and 8.85 mm per year for RCP 4.5 future scenarios. The average temperature was found to be increasing at 0.10?C per decade for both historical and future scenarios. The impact of climate change on the annual streamflow yielded a decreasing trend at the rate of 1.2Mm3 per year and 2.56 Mm 3, respectively for the past and future scenarios. The present work also investigates the capability of SWAT to simulate the groundwater flow. The simulated results are compared with the recession limb of the hydrograph and were found to be reasonably accurate. 2018, Indian Academy of Sciences.en_US
dc.titleAssessing climate change impacts on river hydrology A case study in the Western Ghats of Indiaen_US
dc.typeArticleen_US
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