Steven Johnson
Edwards Aquifer Authority, San Antonio, TX
Activity
2016
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EXTREME WEATHER EVENTS AND AQUIFER RESPONSES IN THE BALCONES FAULT ZONE EDWARDS AQUIFER OF SOUTH-CENTRAL TEXAS
T310 Hydrogeological and Geomorphological Responses to El Niño, Extreme Weather Events, and Landscape DisturbancesWednesday, 28 September 20161:30 PM - 5:30 PMMile High Ballroom 3B
2015
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HYDROGEOLOGIC RESPONCE TO MAJOR FLOODS ON THE BLANCO RIVER AND EDWARDS - TRINITY AQUIFERS, CENTRAL TEXAS, U.S.A
T201 Landscape Dynamics: Integrating Soils, Hydrology, and Climatic Processes to Understand Weathering, Sediment Transport and Biospheric ProcessesTuesday, 3 November 20158:00 AM - 12:00 PMRoom 336
2011
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DEFINING THE SPRINGSHEDS OF TWO MAJOR SPRINGS IN TEXAS: SAN MARCOS AND BARTON SPRINGS
T60 Environmental Problems in Karst Terranes/Terrains and Their Solutions: In Honor of James F. QuinlanSunday, 9 October 20111:30 PM - 5:30 PMRoom M100FG
2008
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Hypogene Processes in the Balcones Fault Zone Edwards Aquifer in South-Central Texas, a New Conceptual Model to Explain Aquifer Dynamics
T240 Hypogenic Karst: Shedding Light on Once Poorly Understood Hydrologic and Morphologic FeaturesTuesday, 7 October 20088:00 AM - 12:00 PM
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Sources of Water for San Marcos Springs in San Marcos, Texas
805 Environmental Geology I and HydrologyMonday, 6 October 20081:30 PM - 5:30 PM
2007
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GEOLOGIC CONTROLS ON GROUNDWATER MOVEMENT IN THE EDWARDS AQUIFER OF SOUTH-CENTRAL TEXAS
T191 Geologic Controls on Chemical Migration in Fractured and Carbonate Aquifers IWednesday, 31 October 20078:00 AM - 12:00 PM
2006
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AN EVALUATION OF METHODS FOR THE DELINEATION OF SOURCE WATER PROTECTION AREAS IN KARST TERRAINS
T187 Water-Quality Issues in Sole-Source and Principal Aquifers in the U.S.Wednesday, 25 October 20068:00 AM - 12:00 PM
2004
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QUANTITATIVE TRACING AS A PREDICTIVE TOOL TO ASSESS THE POTENTIAL IMPACTS OF HAZARDOUS MATERIALS TO WATER SUPPLIES AND ENVIRONMENTAL RECEPTORS
T169 Innovative Tracer Applications in Hydrogeology: New Techniques, Design and Interpretation Methods, and Case Studies IITuesday, 9 November 20041:30 PM - 5:30 PM
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HYDROGEOLOGIC CHARACTERIZATION OF COMAL SPRINGS DURING LOW FLOW PERIODS, EDWARDS AQUIFER, TEXAS- IMPLICATIONS TO SUSTAINING SPRING FLOW THROUGH AQUIFER MANAGEMENT AND SPRING AUGMENTATION
T166 Sustainable Management of Water ResourcesTuesday, 9 November 20041:30 PM - 5:30 PM
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ANALYSIS AND MODELING OF JULY 2003 HYDROGRAPHS FROM THE EDWARDS AQUIFER RECHARGE ZONE
T10 Characterization and Representation of Flow through Karst Aquifers ISunday, 7 November 20048:00 AM - 12:00 PM
2003
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GEOPHYSICAL CHARACTERIZATION OF GEOLOGIC FEATURES IN THE AREA OF THE VALDINA FARMS SINKHOLE, MEDINA COUNTY, TEXAS
T103 Karst Hydrology and Geomorphology in North America Over the Past Half Century II: In Honor of Derek Ford and William WhiteMonday, 3 November 20031:30 PM - 5:30 PM
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QUANTITATIVE TRACERS AS CONTAMINANT SURROGATES – AN IMPORTANT TOOL FOR PLANNING AND MANAGING SOURCE WATER PROTECTION AREAS
T103 Karst Hydrology and Geomorphology in North America Over the Past Half Century II: In Honor of Derek Ford and William WhiteMonday, 3 November 20031:30 PM - 5:30 PM
2002
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GROUNDWATER CHEMISTRY CHANGES DURING A RECHARGE EVENT IN THE KARSTIC EDWARDS AQUIFER, SAN ANTONIO, TEXAS
186 Hydrogeology II: Chemical HydrogeologyWednesday, 30 October 20028:00 AM - 12:00 PM
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GROUNDWATER FLOW VELOCITIES FOR THE DEEP ARTESIAN PORTION OF THE EDWARDS AQUIFER, NEAR COMAL SPRINGS, TEXAS
155 Hydrogeology I: Physical HydrogeologyTuesday, 29 October 20021:30 PM - 5:30 PM
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A STATISTICAL STUDY OF THE HYDROLOGICAL CHARACTER OF A KARST AQUIFER IN RESPONSE TO A MAJOR PRECIPITATION EVENT
T98 Advances in Karst Modeling (Posters)Monday, 28 October 20021:30 PM - 5:30 PM
Date Unknown
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TRACER TESTS IN THE EDWARDS AQUIFER RECHARGE ZONE
T91 Surface and Subsurface Geologic Characterization of the Edwards and Trinity Carbonate Aquifer Systems, Central Texas (Posters)