Impact Assessment of Monsoonal Rainfall on River Discharge Regimes: The Vashisthi Estuary Perspective

DOI

10.2991/978-94-6239-650-0_19How to use a DOI?

Keywords

First discharge monitoring; hydrodynamics; precipitation; hydrological model

Abstract

River discharge monitoring is an essential aspect of hydrological science and water resources engineering, as it provides critical insights into the flow dynamics of river systems. Discharge, defined as the volume of water flowing past a given point in a river over a set period. Accurate and continuous monitoring of discharge supports the development of hydrological models, informs infrastructure planning, and underpins effective disaster preparedness strategies. It begins by outlining the theoretical basis of river discharge, including the hydrological cycle, catchment hydrodynamics, and the relationship between precipitation, runoff, and stream flow. Traditional measurement techniques such as the velocity-area method, float method, and use of weirs and flumes are examined for their reliability and limitations. In contrast, the increasing use of advanced technologies such as Acoustic Doppler Current Profilers (ADCPs), satellite remote sensing, radar altimetry, and telemetry-based monitoring networks is highlighted, showing how these tools enable more precise, real-time, and spatially extensive data collection. The paper also discusses role of gauging stations, and the importance of maintaining long-term hydrological datasets.

Copyright

© 2026 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Bhakti Kadam
AU  - Karthik Nagarajan
PY  - 2026
DA  - 2026/04/20
TI  - Impact Assessment of Monsoonal Rainfall on River Discharge Regimes: The Vashisthi Estuary Perspective
BT  - Proceedings of the Conference on Technologies for Future Cities (CTFC 2025)
PB  - Atlantis Press
SP  - 290
EP  - 302
SN  - 3005-155X
UR  - https://doi.org/10.2991/978-94-6239-650-0_19
DO  - 10.2991/978-94-6239-650-0_19
ID  - Kadam2026
ER  -