Surveying of Large Reservoirs-Application Open Journal of Modern Hydrology, 4, 156-163. Of Large Reservoirs-Application to Tarbela Reservoir in Pakistan. (2014) An Integrated Approach to Hydrographic Surveying
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How to cite this paper: Munir, S., Armaghan, M. Open Journal of Modern Hydrology, 2014, 4, 156-163 SyQwest Bathy-2010 Sub Bottom Profiler used in Tarbela Reservoir Study The study was applied to Tarbela Reservoir, Pakistan. Post-processing is performed after conducting a survey in order to improve quality of data by filtering errors and producing the end product like reservoir underwater terrain, development of reservoir stage-area and stage-storage relationships, etc. Then, on site a combination of computer hardware, echosounder, differential global positioning system (DGPS), survey vessel and survey crew is made. The process of surveying starts from in-house planning using specialized geo-spatial softwares. The approach develops an integrated environment of hydrographic surveying comprising human, hardware and software. In this study, an integrated approach for hydrographic surveying is introduced and evaluated in terms of its efficiency in comparison with the traditional methods of hydrographic surveying.
The principle of echo-sounders is basic - by measuring the two-way travel time between the acoustic waves transmitted on sea surface and those reflected at seafloor. Hydrographic echo sounders are used to measure the depth to the seafloor by using the properties of acoustic waves.
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