Do Flow Rates Respond Asymmetrically to Water Level? Evidence from the Edwards Aquifer

Bradley Ewing, Teresa Kerr and Mark Thompson

Journal of Applied Statistics, 2006, vol. 33, issue 10, 1121-1129

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.

Keywords: Threshold cointegration; asymmetric adjustment; spring flow; water level; Edwards Aquifer (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1080/02664760600746905

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