A COMPARATIVE ANALYSIS OF HYDROLOGICAL SIGNATURES OF TWO WESTERN GHAT CATCHMENTS

Mudbhatkal, Amogh (2017) A COMPARATIVE ANALYSIS OF HYDROLOGICAL SIGNATURES OF TWO WESTERN GHAT CATCHMENTS. In: HYDRO 2017 INTERNATIONAL, 21-23 December-2017, Ahmedabad, India.

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A COMPARATIVE ANALYSIS OF HYDROLOGICAL SIGNATURES OF TWO WESTERN GHAT CATCHMENTS
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Abstract

Understanding catchment’s behavior and characterizing them is paramount to watershed hydrology and
effective water management. The concept of hydrological/diagnostic signature/index is not new, but
recently, there has been a resurgence of its applications in hydrology. Hydrological signatures have been
used to represent catchment responses leading to a wide range of applications in water resources
assessment like catchment classification, change detection, model calibration, model evaluation, water
balance study and information transfer about catchment behavior from gauged to ungauged catchments.
Hydrological signatures may be derived mainly from flow duration curve and rainfall data. Depending on
the objective of study, a part or whole of flow duration curve may be used for signature based analysis.
The Western Ghats being important for some of the states in India, it is yet to be explored fully in terms of
hydrological analysis. As a preliminary study, two catchments, namely, Netravati (per humid) and
Malaprabha (sub humid) catchments have been considered for the present study for the evaluation of
hydrological signature. Only flow based indices will be considered for the catchments. The analyses at
both daily and monthly scale show that, Netravati is wetter than Malaprabha catchment. It is envisaged
that, the analysis will provide insights into catchment responses and help us manage them better.

Keywords:Flow duration curve, Malaprabha River, Netravathi River, Hydrological signature
Subjects:F Physical Sciences > F800 Physical and Terrestrial Geographical and Environmental Sciences
F Physical Sciences > F852 Hydrology
Divisions:College of Science > School of Geography
ID Code:49904
Deposited On:24 Jun 2022 11:48

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