James Constantz
U.S. Geological Survey, Menlo Park, CA
Activity
2018
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FOREARC MANTLE HELIUM AS A CONSTRAINT ON LOCATION OF THE SEISMOGENIC TRANSITION ZONE ALONG THE CASCADIA SUBDUCTION INTERFACE
124 D64. Advances in Stable Isotope Geochemistry–Applications to Earth Science SystemsMonday, 5 November 20181:30 PM - 5:30 PMRoom 135
2014
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HELIUM AS A TRACER FOR FLUIDS RELEASED FROM JUAN DE FUCA LITHOSPHERE BENEATH THE CASCADIA FOREARC
T280 Magmatism and Geodynamics within the Cascadia Subduction ZoneWednesday, 22 October 20148:00 AM - 12:00 PM306
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DEUTERIUM AND OXYGEN-18 SAMPLING IN TANDEM WITH CONTINUOUS TEMPERATURE LOGGING INCREASES UNDERSTANDING OF SPATIAL AND TEMPORAL PATTERNS OF STREAM EXCHANGES WITH GROUNDWATER
T316 Physical and Biogeochemical Measurements That Characterize Groundwater–Surface Water Interactions: Where to Go from Here? (Posters)Wednesday, 22 October 20149:00 AM - 6:30 PMExhibition Hall C
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INCREASED UNDERSTANDING OF WATERSHED DYNAMICS THROUGH THE ADDITION OF STREAM AND GROUNDWATER TEMPERATURE MONITORING AT USGS GROUNDWATER STREAMGAGES
T194 Dynamics of Groundwater Temperature: From Recharge to Discharge ZonesTuesday, 21 October 20148:00 AM - 12:00 PM109
2012
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CONTINUOUS GROUNDWATER MONITORING COLLOCATED AT USGS STREAMGAGES
T12 Groundwater–Surface Water Interactions: Advances in Measurement and Modeling Techniques ISunday, 4 November 20128:00 AM - 12:00 PM213BC
2011
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ANALYSIS OF ISOTOPIC AND THERMAL TRACERS TO EXAMINE REGIONAL VERSUS LOCAL GROUNDWATER CONTRIBUTIONS TO SEASONAL STREAMBED FLUX PATTERNS
T156 Identification and Quantification of Groundwater Flow Using Heat as a TracerTuesday, 11 October 20118:00 AM - 12:00 PMRoom M100HI
2009
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THE TWO-STAGE PARADIGM FAILS TO DESCRIBE DIURNAL EVAPORATIVE DRYING OF DESERT SOILS AND SEDIMENTS
T116 Diurnal Biogeochemical Processes in Rivers, Lakes, and Shallow Groundwater (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
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EFFECTS OF UPSTREAM DAMS VERSUS GROUNDWATER PUMPING ON STREAM TEMPERATURE UNDER VARYING CLIMATE CONDITIONS
T58 Coupled Surface-Subsurface Modeling across a Range of Temporal and Spatial ScalesSunday, 18 October 20091:30 PM - 5:30 PMD137/138
2007
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ASSESSING GROUND-WATER RECHARGE IN THE ARID AND SEMI-ARID SOUTHWESTERN UNITED STATES
T69 The Spatial and Temporal Variability of Groundwater RechargeMonday, 29 October 20078:00 AM - 12:00 PM
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TIME SERIES OF STREAMBED SEEPAGE IN A STRONGLY-LOSING STREAM FROM THERMAL RECORDS: RESOLVING SEEPAGE DYNAMICS AND CHANGES IN STREAMBED HYDRAULIC CONDUCTIVITY
T41 Innovations and New Technologies for Measuring and Characterizing Groundwater–Surface Water InteractionSunday, 28 October 20071:30 PM - 5:30 PM
2006
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RECENT ADVANCES IN HEAT AS A TRACER OF STREAM EXCHANGES WITH SHALLOW GROUND WATER
T133 Heat as a Natural Tracer in Hydrologic Systems: Current Understanding, Innovation and ApplicationTuesday, 24 October 20068:00 AM - 12:00 PM
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COMPARISON OF HEAT WITH CHLORIDE AND SPECIFIC CONDUCTANCE AS GROUND-WATER TRACERS NEAR STREAMS
T133 Heat as a Natural Tracer in Hydrologic Systems: Current Understanding, Innovation and ApplicationTuesday, 24 October 20068:00 AM - 12:00 PM
2005
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HEAT AS A GROUND-WATER TRACER ALONG THE RUSSIAN RIVER, SONOMA COUNTY, CA
2 Groundwater and Surface Water Interactions: Hydrogeology and Water Quality in the San Francisco Bay RegionFriday, 29 April 20057:55 AM - 12:00 PM
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ASSESSING GROUND-WATER RECHARGE IN THE DESERT SOUTHWEST
5 Sediment Delivery to Streams: Mechanisms, Volumes, and TimingFriday, 29 April 20058:00 AM - 12:00 PM
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SPATIAL AND TEMPORAL VARIABILITY OF HYDRAULIC PROPERTIES IN THE RUSSIAN RIVER STREAMBED CENTRAL SONOMA COUNTY, CA
14 Hydrogeology of Alluvial Aquifers in the Western U.S.Friday, 29 April 20051:10 PM - 3:20 PM
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EXAMINING SURFACE WATER – GROUNDWATER INTERACTION IN CALIFORNIA COASTAL STREAMS USING TIME-SERIES ANALYSIS OF STREAMBED THERMAL RECORDS
2 Groundwater and Surface Water Interactions: Hydrogeology and Water Quality in the San Francisco Bay RegionFriday, 29 April 20057:55 AM - 12:00 PM
2002
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COMPARISON OF TEMPERATURE-PROFILE METHODS FOR ESTIMATING PERCOLATION RATES AND POTENTIAL RECHARGE IN THE SOUTHWEST
21 Groundwater Recharge Processes in the Arid SouthwestThursday, 9 May 20028:00 AM - 10:00 PM
Date Unknown
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DYNAMIC CHANNEL BAR EXCHANGE WITH AN EMPHASIS ON GROUNDWATER MOUNDING
T176 Innovations and Advances for Measuring and Characterizing Groundwater–Surface Water Interaction (Posters)