A water-budget analysis of Medina and Diversion Lakes and the Medina/Diversion Lake system, with estimated recharge to Edwards aquifer, San Antonio area, Texas

Slattery, Richard N.; Miller, Lisa D.

doi:10.3133/sir20045209

Cited by 4 publications

(11 citation statements)

References 7 publications

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“…A statistical reanalysis of the relation between Medina Lake stage and groundwater outflows from the Medina/Diversion Lake system was completed in 2016 to improve upon the linear regressions analysis techniques used in the past. The statistical reanalysis of Medina Lake stage and groundwater outflow data (Slattery and Miller, 2017, fig. 11 and table 5) was done by using the R statistical software (version R-3.3.2) (R Core Team, 2016).…”

Section: Statistical Reanalysismentioning

confidence: 99%

“…The development of this regression equation was published as an appendix to Slattery and Miller (2017). The preferred regression equation fits the average groundwater outflows and average Medina Lake stage data better than the previously published regression equation (Slattery and Miller, 2017). When applying the preferred regression equation, it is important to consider the uncertainty associated with estimates of groundwater outflows for a given Medina Lake stage.…”

Section: Statistical Reanalysismentioning

confidence: 99%

“…Most recharge to the Edwards aquifer occurs as seepage from streams as they cross the outcrop (recharge zone) of the aquifer (Slattery and Miller, 2017). Groundwater outflows from the Medina/Diversion Lake system have also long been recognized as a potentially important additional source of recharge.…”

Section: Introductionmentioning

confidence: 99%

“…During October 1995-September 1996, the USGS conducted a study to better define short-term rates of recharge and to reduce the error and uncertainty associated with estimates of monthly recharge from the Medina/Diversion Lake system (Lambert and others, 2000). As a followup to that study, Slattery and Miller (2017) published estimates of groundwater outflows from detailed water budgets for the Medina/Diversion Lake system during 1955-1964, 1995-1996, and 2001-2002. The water budgets were compiled for selected periods during which time the waterbudget components were inferred to be relatively stable and the influence of precipitation, stormwater runoff, and changes in storage were presumably minimal.…”

Section: Introductionmentioning

confidence: 99%

“…The water budgets were compiled for selected periods during which time the waterbudget components were inferred to be relatively stable and the influence of precipitation, stormwater runoff, and changes in storage were presumably minimal. Linear regression analysis techniques were used by Slattery and Miller (2017) to assess the relation between the stage in Medina Lake and groundwater outflows from the Medina/Diversion Lake system.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Refining previous estimates of groundwater outflows from the Medina/Diversion Lake system, San Antonio area, Texas

Slattery¹,

Asquith²,

Gordon³

2017

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Section: Statistical Reanalysismentioning

confidence: 99%

Section: Statistical Reanalysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Refining previous estimates of groundwater outflows from the Medina/Diversion Lake system, San Antonio area, Texas

Slattery¹,

Asquith²,

Gordon³

2017

Fact Sheet

Self Cite

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Impacts of climate change on water management

Fei

McCarl

Yang

et al. 2022

Applied Eco Perspectives Pol

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Climate change and increasing demands are stressing water allocation. In many places, water reallocation and expensive water development actions are being undertaken with more likely to be stimulated by climate change.Here we examine reallocation and development actions between and within municipal, agricultural, and energy industry users in a water-scarce region and examine how climate change stimulates further actions. We built a regional agricultural, water and electricity two-stage stochastic model that simulates optimal strategies in South Central Texas. We find that climate change significantly expands water development, causes agricultural water use reduction and reallocation to municipal interests.

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Climate elasticity assessment on groundwater recharge to the Edwards Balcones Fault Zone Aquifer, United States

Yang¹,

Bertetti²

2023

J American Water Resour Assoc

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This study presents a comprehensive analysis of the characteristics of precipitation, temperature, and groundwater recharge in the recharge zone of the nine basins of the San Antonio segment of the Edwards Balcones Fault Zone Aquifer, which is one of the major groundwater systems in the United States and serves as primary water sources for approximately 1.7 million people in south‐central Texas. Datasets of monthly precipitation and average temperature (1895–2019) and groundwater recharge (1934–2019) are used to examine the decadal variability in precipitation, temperature, and groundwater recharge on the annual scale with a normalized 20‐year moving average of variance. Climate elasticity (precipitation and potential evapotranspiration) of groundwater recharge is estimated to evaluate impacts of climate change on groundwater recharge. The results of this study show that precipitation and temperature variability exhibit decadal cyclic patterns. Elasticity analysis of groundwater recharge indicates that a 1% change in annual precipitation may result in 2%, with a likely range of 0.15%–2.8%, change in groundwater recharge, and a 1% change in annual potential evapotranspiration may lead to −3.3% change in groundwater recharge with a likely range of −8.9% to 4% in the study area. This study suggests that climate elasticity of groundwater recharge may provide an alternative means for evaluating climate impacts on groundwater recharge to an aquifer.

show abstract

A water-budget analysis of Medina and Diversion Lakes and the Medina/Diversion Lake system, with estimated recharge to Edwards aquifer, San Antonio area, Texas

Abstract: Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD 29).

Cited by 4 publications

References 7 publications

Refining previous estimates of groundwater outflows from the Medina/Diversion Lake system, San Antonio area, Texas

Refining previous estimates of groundwater outflows from the Medina/Diversion Lake system, San Antonio area, Texas

Impacts of climate change on water management

Climate elasticity assessment on groundwater recharge to the Edwards Balcones Fault Zone Aquifer, United States

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