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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| Institution: |
a Area of Information Systems and Quantitative Sciences, Texas Tech University, Lubbock, Texas, USA
b Department of Statistical Science, Baylor University, Waco, Texas, USA
c 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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