SARAL/AltiKa Waveform Analysis to Monitor Inland Water Levels: A Case Study of Maithon Reservoir, Jharkhand, India
作者： Surajit Ghosh , Praveen Thakur , Vaibhav Garg , Subrata Nandy , Shiv Prasad Aggarwal
DOI: 10.1080/01490419.2015.1039680
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摘要: In the present study, behavior of SARAL/AltiKa (Satellite with ARgos and ALtiKa) waveforms over Maithon Reservoir (∼65 km2 surface area), Jharkhand, India, has been studied. The estimated water level compared in situ measurements at hydro-gauging station dam site. problem minimization errors retrieval from AltiKa resolved by improvement retracking method. A real gate detection algorithm based on statistical analysis harnessing various physical parameters waveform developed, which applied to reservoir. Comparing in-situ altimetry data (from cycle 1, 19 March 2013 12, 8 April 2014) showed that it is crucial improve Results accuracy monitoring increased nearly 76% newly developed non-retracked level. We also ...
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