As shown in the figure attached, we know the different levels in reservoir for dead zone, live zone and flood zone. Can we not just get the sedimentation in different zones from the survey data itself as compared to previous year survey data.
Dear Karan
The short answer to your question is yes.
If you have suitably accurate and extensive bathymetric surveys of the reservoir in which you are interested then you can make an assessment of the loss of storage in the time period between the two surveys, as well as potentially estimating the changes in volume of the dead, live and flood zones.
Empirical methods and models are used to predict how much reservoir storage could be lost in the future. At HR Wallingford over the past 20 or so years we have developed a piece of software called Reservoir Survey Analysis and Sedimentation Simulation (RESSASS), which is a long-term reservoir sedimentation prediction model see here for more details: https://eprints.hrwallingford.com/972/1/HRPP616_Impact_of_reservoir_operation.pdf and here: Article Evaluation of sediment management strategies on reservoir st...
I hope that this is of help.
Best regards
Darren
Darren Lumbroso has provided the most precise answer, thanks Darren Lumbroso
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