Abstract:
A second order stochastic differential equation is used for modeling of water-table elevation. The data were sampled at the Borden Aquifer as a part of a tracer experiment. The purpose of the water-table data collection was to determine presence of a water flow. We argue that the water-table surface is a simple plane oscillating up and down in time according to an equation for a stochastic oscillator. We derive the model, estimate its parameters and provide arguments for goodness-of-fit of the model.
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Mohapl, J. A stochastic model of water-table elevation. Stochastic Hydrology and Hydraulics 12, 223–245 (1998). https://doi.org/10.1007/s004770050019
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DOI: https://doi.org/10.1007/s004770050019