Do Flow Rates Respond Asymmetrically to Water Level? Evidence from the Edwards Aquifer |
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| Authors: | Bradley T. Ewing Teresa Kerr |
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| Affiliation: | a Area of Information Systems and Quantitative Sciences, Texas Tech University, Lubbock, Texas, USAb Department of Statistical Science, Baylor University, Waco, Texas, USAc Institute for Economic Advancement, University of Arkansas, Little Rock, USA |
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| Abstract: | This research examines the time series relationship between the Comal Springs flow rate and the water level in the Edwards Aquifer (Well J-17). The empirical methodology utilizes threshold autoregression (TAR) and momentum-TAR models that allow for asymmetry in responses and adjustments to a disequilibrium in the long-run cointegrating relationship. Based on the results, an asymmetric error-correction model (AECM) is proposed to characterize the short-run and long-run dynamic relationship between spring flow and water level. The results have implications for the management of water resources, water demand, and ecosystems. |
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| Keywords: | Threshold cointegration asymmetric adjustment spring flow water level Edwards Aquifer |
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