Denis R. LeBlanc
New England Water Science Center, Northborough, MA
Activity
2025
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A MULTI-TOOL APPROACH TO EVALUATE GROUNDWATER TRANSPORT PATHWAYS OF PER- AND POLYFLUOROALKYL SUBSTANCES AND NITRATE NEAR A STREAM/WETLAND SYSTEM ON CAPE COD, MASSACHUSETTS
4 Groundwater Mapping and MonitoringFriday, 28 March 20258:00 AM - 12:00 PM130AB
2018
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USING A REACTIVE TRANSPORT MODEL TO EVALUATE TEMPERATURE-DEPENDENT ARSENIC RELEASE DOWNGRADIENT OF NUTRIENT-RICH SURFACE WATER SYSTEMS
23 Natural Contaminants in Groundwater Drinking Water Sources: When Natural Doesn't Mean HealthyTuesday, 17 April 20188:00 AM - 12:00 PMRoom 260/262
2017
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MONITORING MICROBIAL AND SOLUTE TRANSPORT ACROSS THE SURFACE WATER-GROUNDWATER INTERFACE INTO AN AQUIFER WITHIN THE LAKE SHADOW OF A KETTLE POND IN CAPE COD, MASSACHUSETTS
T127 Monitoring the Complex Nature of Water Balances and Solute Transport at the Groundwater–Surface Water InterfaceMonday, 23 October 20171:30 PM - 5:30 PMRoom 613/614
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POLY- AND PERFLUOROALKYL SUBSTANCES (PFASS) IN GROUNDWATER FROM TWO LEGACY SOURCES ON CAPE COD, MA – WHAT ARE THE NATIONAL IMPLICATIONS?
T36 Fate, Effects, and Mitigation of Chemical and Fuel Releases in Surface and Subsurface EnvironmentsSunday, 22 October 20171:30 PM - 5:30 PMRoom 613/614
2016
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TRACKING “LAKE SHADOWS”: DISTRIBUTION AND WATER-QUALITY IMPLICATIONS OF LAKE-WATER RECHARGE ON GROUNDWATER DOWNGRADIENT FROM GLACIAL KETTLE LAKES ON CAPE COD, MASSACHUSETTS
T189 Interaction of Physical and Biogeochemical Processes at Groundwater–Surface-Water Interfaces in Rivers, Lakes, Estuaries, and Coastal Marine SettingsTuesday, 27 September 20168:00 AM - 12:00 PMRoom 501
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BACTERIAL COMMUNITY ANALYSIS AS A METHOD TO TRACK SURFACE WATER PERTURBATION TO GROUNDWATER
T250 Interaction of Physical and Biogeochemical Processes at Groundwater–Surface-Water Interfaces in Rivers, Lakes, Estuaries, and Coastal Marine Settings (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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IN SITU DETERMINATION OF THE FATE AND FLUX OF NITRATE IN GROUNDWATER AS IT DISCHARGES THROUGH THE SURFACE SEDIMENTS INTO A GROUNDWATER FLOW-THROUGH LAKE ON WESTERN CAPE COD, MA
T250 Interaction of Physical and Biogeochemical Processes at Groundwater–Surface-Water Interfaces in Rivers, Lakes, Estuaries, and Coastal Marine Settings (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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THE FATE AND TRANSPORT OF DISSOLVED OXYGEN, INORGANIC NITROGEN AND ORGANIC CARBON DURING RECHARGE TO GROUNDWATER FROM A KETTLE LAKE ON CAPE COD, MA
T250 Interaction of Physical and Biogeochemical Processes at Groundwater–Surface-Water Interfaces in Rivers, Lakes, Estuaries, and Coastal Marine Settings (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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HYDROLOGIC AND BIOGEOCHEMICAL CONTROLS ON NITRATE MASS TRANSFER FROM CONTAMINATED GROUNDWATER INTO A GROUNDWATER FLOW-THROUGH LAKE ON CAPE COD, MA
T250 Interaction of Physical and Biogeochemical Processes at Groundwater–Surface-Water Interfaces in Rivers, Lakes, Estuaries, and Coastal Marine Settings (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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MODELING THE EFFECT OF TEMPERATURE VARIABILITY ON GROUNDWATER ARSENIC PLUMES DOWNGRADIENT OF EUTROPHIC LAKES
T134 Cycling of Arsenic and Other Associated Trace Elements in Global Geohydrological Systems and ManagementMonday, 26 September 20161:30 PM - 5:30 PMRoom 502
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OCCURRENCE AND TRANSPORT OF POLY- AND PERFLUOROALKYL SUBSTANCES (PFAS) IN GROUNDWATER NEAR A FORMER FIRE-TRAINING AREA AND WASTEWATER DISPOSAL SITE ON CAPE COD, MASSACHUSETTS
T13 Emerging Contaminants in Water SuppliesSunday, 25 September 20168:00 AM - 12:00 PMRoom 501
2015
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FACTORS IMPACTING THE FATE AND TRANSPORT OF WASTEWATER-DERIVED NITROGEN AND ARSENIC DURING GROUNDWATER DISCHARGE TO A FLOW-THROUGH LAKE
T91 Fate and Remediation of Organic and Metal Contaminants in Wetlands and SedimentsMonday, 2 November 20158:00 AM - 12:00 PMRoom 343
2013
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THE IMPORTANCE OF TEMPORAL VARIABILITY OF GROUNDWATER-SURFACE-WATER EXCHANGE ON CONTAMINANT MASS LOADING: FIELD EXAMPLES OF PHOSPHORUS, SELENIUM AND COPPER DISCHARGE TO SURFACE WATER
T386 Contaminant Migration through the Groundwater–Surface-Water Interface: Processes, Impacts, and Implications for RemediationWednesday, 30 October 20131:00 PM - 5:00 PMRoom 301
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TRANSPORT OF MICROORGANISMS THROUGH THE GROUNDWATER/SURFACE-WATER INTERFACE OF A CAPE COD, MASSACHUSETTS KETTLE POND INTO A DRINKING-WATER AQUIFER
T386 Contaminant Migration through the Groundwater–Surface-Water Interface: Processes, Impacts, and Implications for RemediationWednesday, 30 October 20131:00 PM - 5:00 PMRoom 301
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NATURAL RESTORATION OF A TREATED-WASTEWATER PLUME IN A SAND AND GRAVEL AQUIFER, CAPE COD, MASSACHUSETTS
T170 Understanding Contaminant Fate and Transport in Unconsolidated Aquifers—A Session on the Occasion of 30 Years of Long-Term Research at the Cape Cod Toxic Substances Hydrology Field SiteMonday, 28 October 20131:00 PM - 5:00 PMRoom 302
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BOREHOLE GEOPHYSICAL LOGGING BY USE OF THE ELECTROMAGNETIC FLOWMETER AND NUCLEAR MAGNETIC RESONANCE AT THE MASSACHUSETTS MILITARY RESERVATION, CAPE COD, MASSACHUSETTS
T170 Understanding Contaminant Fate and Transport in Unconsolidated Aquifers—A Session on the Occasion of 30 Years of Long-Term Research at the Cape Cod Toxic Substances Hydrology Field SiteMonday, 28 October 20131:00 PM - 5:00 PMRoom 302
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RAPID INFILTRATION WASTEWATER DISPOSAL OR AQUIFER RECHARGE BY RECLAIMED WATER THE CONTAMINANTS DON'T CARE
T170 Understanding Contaminant Fate and Transport in Unconsolidated Aquifers—A Session on the Occasion of 30 Years of Long-Term Research at the Cape Cod Toxic Substances Hydrology Field SiteMonday, 28 October 20131:00 PM - 5:00 PMRoom 302
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PROCESSES INFLUENCING THE FATE AND TRANSPORT OF NITRATE AND AMMONIUM DURING DISCHARGE FROM GROUNDWATER TO SURFACE WATER PONDS ON WESTERN CAPE COD, MASSACHUSETTS, USA
T170 Understanding Contaminant Fate and Transport in Unconsolidated Aquifers—A Session on the Occasion of 30 Years of Long-Term Research at the Cape Cod Toxic Substances Hydrology Field SiteMonday, 28 October 20131:00 PM - 5:00 PMRoom 302
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PLUME-SCALE ASSESSMENT OF INORGANIC NITROGEN TRANSPORT AND ATTENUATION IN A TREATED-WASTEWATER PLUME, CAPE COD, MASSACHUSETTS
34 Hydrogeology (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
2012
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UNDERSTANDING GROUNDWATER/SURFACE-WATER INTERACTIONS A KEY FACTOR IN DELINEATING CONTAMINANT PLUMES AND SELECTING REMEDIAL ACTIONS AT THE MASSACHUSETTS MILITARY RESERVATION, CAPE COD, MA
T76 Groundwater–Surface Water Interactions: Approaches for Improved Decision Making for Water Resource IssuesMonday, 5 November 20128:00 AM - 12:00 PM213A
2011
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COMPARISON OF NUCLEAR MAGNETIC RESONANCE (NMR) LOGS IN WELLS COMPLETED IN GLACIAL SEDIMENTS IN THE NORTHEASTERN UNITED STATES
T85 Advances in Characterization of Groundwater Flow ProcessesMonday, 10 October 20118:00 AM - 12:00 PMRoom M101AB
2007
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NATURAL RESTORATION OF A TREATED-WASTEWATER PLUME IN THE CAPE COD SAND AND GRAVEL AQUIFER, MASSACHUSETTS
16 Treated Wastewater and Urban and Suburban Runoff as Aquifer Recharge: Issues for Protection of Groundwater QualityMonday, 12 March 20073:00 PM - 4:45 PM
2006
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THE CAPE COD WASTEWATER PLUME AS A FIELD LABORATORY FOR THE MULTIDISCIPLINARY STUDY OF PROCESSES AFFECTING CONTAMINANT TRANSPORT IN GROUND WATER
T68 Multidisciplinary Approaches to Geochemical ProblemsMonday, 23 October 20068:00 AM - 12:00 PM
2005
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CONTROLS ON THE MOBILITY OF NATURALLY OCCURRING ARSENIC IN A SHALLOW AQUIFER UNDER VARIABLE CHEMICAL CONDITIONS
T69 Arsenic Occurrence and Fate in Hydrogeologic Systems IMonday, 17 October 20058:00 AM - 12:00 PM
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MONITORING PHOSPHATE REMOVAL BY A POND-BOTTOM ZERO-VALENT IRON REACTIVE BARRIER BY USING HORIZONTAL AND VERTICAL MULTIPORT SAMPLERS, VERTICAL DIFFUSION CHAMBERS, AND SEEPAGE METERS, CAPE COD, MA
T42 Innovative Monitoring and Modeling Techniques for Assessing the Performance of Passive Remediation Projects for Contaminated Water and SoilSunday, 16 October 20051:30 PM - 5:30 PM
2003
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DETERMINATION OF THE DISCHARGE AREA AND NUTRIENT FLUX FROM A SEWAGE PLUME TO A GLACIAL-KETTLE POND ON CAPE COD, MASSACHUSETTS
T13 Flow and Biogeochemical Processes at the Interface Between Surface Water and GroundwaterSunday, 2 November 20038:00 AM - 12:00 PM
2001
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GEOCHEMICAL EVOLUTION OF A SEWAGE-CONTAMINATED, SAND AND GRAVEL AQUIFER, CAPE COD, MASSACHUSETTS
T118 Iron in Sedimentary Aquifers: Biological, Chemical, and Physical Controls on Iron MobilityWednesday, 7 November 20018:00 AM - 10:00 AM