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Diurnal variability of hydrological variables in urban areas

Rajulapati, CR and Gupta, H and Mujumdar, PP (2020) Diurnal variability of hydrological variables in urban areas. In: Urban Climate, 33 .

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Official URL: https://doi.org/10.1016/j.uclim.2020.100669


Urbanization modifies the hydrologic response of a catchment significantly. An understanding of historical patterns and changes in trends of hydrological variables in cities is important to design, maintain and operate the urban infrastructure. The historical trend analysis of various climate variables including temperature and precipitation, and the dependence of precipitation on temperature is presented for six major urban cities in the United States and one city in India. It is noted that there is a common phenomenon of increasing average temperature and decreasing diurnal temperature in all the cities considered. However, variations in precipitation at different durations are not the same. Also, short-duration precipitation events in the recent past are much higher compared to that of long-duration events. Precipitation depths have increased considerably throughout the day in the recent past, specifically in the evenings. Findings indicate that changes in the short-duration precipitation and temperature are prominent in the recent past. © 2020 Elsevier B.V.

Item Type: Journal Article
Publication: Urban Climate
Publisher: Elsevier B.V.
Additional Information: Copyright for this article belongs to Elsevier B.V.
Department/Centre: Division of Interdisciplinary Sciences > Interdisciplinary Centre for Water Research
Date Deposited: 11 Nov 2021 11:51
Last Modified: 11 Nov 2021 11:51
URI: http://eprints.iisc.ac.in/id/eprint/66085

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