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Brian B. HuntSenior Hydrogeologist
Barton Springs/Edwards Aquifer Conservation DistrictAustin, Texas
April 21, 2015Midland, Texas
Brian B. HuntSenior Hydrogeologist
Barton Springs/Edwards Aquifer Conservation DistrictAustin, Texas
April 21, 2015Midland, Texas
Refining our conceptual model of the Trinity and Edwards Aquifers in the Blanco River Valley
SettingStratigraphy
Balcones Structure
Blanco River & Aquifer ConnectionsGain-loss studies
Groundwater flow studies
Refined Conceptual Model
Application to Current Events
From Phelps et al., 2014, Sedimentology 61, 461–496
Valanginian–Barremiansupersequence• MORBs and Glacial influences
Aptian–Albiansupersequence• Drowning and recovery
of platform around OAE1a and 1b
Lower Aquifer• Sligo• Hosston
Middle Trinity Aquifer• Lower Glen Rose• Hensel• CowCreek
Upper Trinity Aquifer• Upper Glen Rose
SettingStratigraphy
Balcones Structure
Blanco River & Aquifer ConnectionsGain-loss studies
Groundwater flow studies
Refined Conceptual Model
Application to current events
SettingStratigraphy
Balcones Structure
Blanco River & Aquifer ConnectionsGain-loss studies
Groundwater flow studies
Refined Conceptual Model
Application to Current Events
SettingStratigraphy
Balcones Structure
Blanco River & Aquifer ConnectionsGain-loss studies
Groundwater flow studies
Refined Conceptual Model
Application to Current Events
Stopped flow in 2000, first time in memory. Flowed during the 1950s drought.
dry
“When the well is dry, we know the worth of water.” --Benjamin Franklin
No flow
http://www.bseacd.org/uploads/AquiferScience/Reports/Smith_et_al.__2014__Blanco_River_Trinity_and_Edwards_Aquifers.pdf
http://repositories.lib.utexas.edu/handle/2152/8977