University of California

Presentations By Title

A combined approach for understanding nitrogen loading to groundwater from a field under potato production in Prince Edward Island

Danielescu, Serban

A Flow and Transport Model Developed as a Salt and Nitrate Management Analysis Tool for a Management Zone in California’s Eastern Kings Subbasin

Kretsinger Grabert, Vicki

A statistical learning framework for groundwater nitrate models of the Central Valley, California

Nolan, Bernard

Action plans to protect groundwater from pesticide pollution in Aarhus, Denmark

Vægter, Bo

Addressing Model Uncertainty in Groundwater-Management Modeling: A Case Study from the Upper Klamath Basin, Oregon and California.

Wagner, Brian

Agricultural emission reduction policy and its effect on groundwater quality in nature areas in The Netherlands over the past 25 years

Wattel, Esther

An Index for Evaluating the Risk of Water Contamination by Pesticides: Development and Validation

Chaves, Henrique

Anthropogenic depletion of water resources in the TG Halli catchment near Bangalore, India

Penny, Gopal

Approach to Reduce Drought in California

Hakim, Abdul

Aquifer Studies and Recharge Assessment of the Northern California Lower Tuscan Aquifer System

Turner, Joseph

Aquifer System Urucuia: governance and integrated water management in the São Francisco River Basin - Brazil's Northeast

Aly, Osvaldo

Assessing the effects of buckwheat as a wireworm control crop on groundwater quality

Jiang, Yefang

Assessing the impact of existing and future water demand on economic and environmental aspects (case study from Rift valley lake basin, Ethiopia

Shumet, Abebe

Balancing of interests in polder dewatering: A starring role for an integrated groundwater-surface water model

Clausnitzer, Volker

Bayesian Nitrate Source Apportionment to Individual Groundwater Wells in the Central Valley by Use of Elemental and Isotopic Tracers

Ransom, Katherine

Building Capacity for Regional Sustainability with SGMA

Joseph, Trevor

CA Central Valley Irrigated Lands Regulatory Program: The Sacramento Valley Rice Growers Approach to Groundwater Quality Management

Porta, Lisa

California Almond Water Footprint

Shilling, Fraser

California Groundwater Management - the 21st Century Gordian Knot

Schmidt, Kirk

California’s New Groundwater Management Laws, and Strategies to Avoid Adverse Impacts on Agriculture in Urbanizing Communities

Garcia, Kristin

California’s Sustainable Groundwater Management Act: A Perspective Looking Across the South-Western US

Perrone, Debra

Can California Groundwater be Sustainably Managed with Agricultural Water Transfers? Effects on Aquifer Declines, Energy, and Food Production

Mehl, Steffen

Can Nitrate Leaching form an Orchard Be Accurately Estimated?

Baram, Shahar

Challenging a trickle-down view of climate change on agriculture and groundwater

Green, Timothy

Changing California’s groundwater policies and implementation strategies could increase opportunities for protecting drinking water while improving dairy farm environmental performance.

Cativiela, Jean-Pierre


Lawal, Nurudeen

Characterization of agricultural nitrate pollution in a Mediterranean region: what should be the next step to deal with this environmental problem?

Mas-Pla, Josep

Combined analysis of time-varying sensitivity and identifiability indices to diagnose the response of complex environmental models

Ghasemizadeh, Mehdi

Community owned village ponds to mitigate floods and meet local irrigation demands: A novel conjunctive water use management approach

Pavelic, Paul

Connecting Regional Groundwater Assessments, Agriculture, and Groundwater Governance

Alley, William

Contribution of Sustainable and Unsustainable Groundwater Use to Global Food Production

Villholth, Karen

Control of Topology of Water Fluxes in Arid Agriculture: Amalgamation of Subsurface Irrigation, Managed Aquifer Recharge and Engineered Soil Substrate

Kacimov, Anvar

Cr(VI) and nitrate in groundwater and sediments of the southwestern Sacramento Valley, California, USA

McClain, Cynthia

Decadal Changes in Agricultural Contaminants in Groundwater in the United States, 1988-2015

Lindsey, Bruce

Decadal-scale changes in uranium and bicarbonate concentrations in groundwater in the U.S.: Effects of irrigation on the mobilization of uranium

Burow, Karen

Designing Production wells to Optimize Performance and Efficiency

Hoherd, Charlie

Development of sustainability strategies in the agri-food system-regional nitrogen management

Graversgaard, Morten

Direct monitoring of agriculture impact on groundwater quality

Dahan, Ofer

Does following the recommended potato nitrogen fertility guideline contribute to groundwater contamination?

Marsh, Brian

Does variable rate irrigation decrease the loss of water quality contaminants from grazed dairy farming?

McDowell, Richard

Drawing the Line: Borders and Boundaries Governing Conjunctive Use

Mukhayer, Harum

Drought Governance and Response Strategies including Mission Kakatiya in Telangana, India

Juvvadi, Devi Prasad

Economic Analysis of Groundwater Banking on Agricultural Lands in California

Sandoval, Samuel

Economics of Long Term Groundwater: A Case Study for the Tulare Lake Basin, California

Medellin-Azuara, Josue

Ecosystem-based Groundwater Recharge to Help Farmers and Fish: Why California Needs 10,000 More Dams

Pollock, Michael

Efficient data-driven estimation of nitrate transport and reactions in groundwater using a vertical flux model

Green, Christopher

Enhancing groundwater management capabilities in California’s Central Valley - generating high-resolution groundwater maps from GRACE and in situ data

Famiglietti, Jay


Valverde Flores, Martha


Abdo, Maria Teresa

Estimating Applied Water in Alfalfa using the IWFM Demand Calculator Model

Prakash, Pavithra

Evaluating NRCS Water Conservation Practice Impacts over the Ogallala Aquifer

Gollehon, Noel

Evaluating the Effects of Over Pumping and Drought on Water Supply Well Production Capacities and Pumping Costs

Arnold, Brad

Evaluating the influence of tile drainage management on shallow groundwater resources

Frey, Steven

Evaluation of N mass balance and soil nitrate as indicators of N leaching to groundwater in a Pacific Northwest dairy grass field

Carey, Barbara


Bruhis, Noa

Evolution of groundwater law in Arizona and Jordan – legal dimension of the groundwater revolution and implications for the groundwater crisis of the 21st century

Eppinger, Silvan

Evolution of Water Availability and Land Subsidence in California’s San Joaquin Valley

Sneed, Michelle

Experiences of Participatory Irrigation Managementin the APWELL Project

Ramadugu, Ratnakar

Exploring relationship between evapotranspiration and groundwater level fluctuations in different land covers

Foolad, Foad

Exploring the origin and migration of antibiotics in aquifers to evaluate their impact on groundwater resources quality

Mas-Pla, Josep

Factors influencing the adoption of water pollution mitigation measures by farmers in England

Vrain, Emilie

Fate and persistence of emerging contaminants and multi-resistant bacteria in the continuum surface water - groundwater (the PERSIST Project)

Boy Roura, Merce

Fate of Nitrogen on California Dairies as Measured by Regulatory Reporting

Parsons, Taryn

Field kites: Evaluating supplemental irrigation with climate change

Smilovic, Mikhail

Field Scale Groundwater Nitrate Loading Model for the Central Valley, California, 1945-Current

Harter, Thomas

Framing the Issues Associated with Groundwater Governance and Agriculture in the United States

Megdal, Sharon

FREEWAT, a HORIZON 2020 project to build open source tools for water management: a European perspective

Mehl, Steffen

Freshwater storage in brackish-saline aquifers for irrigation water supply: a bottomless pit or a fountain of gold?

Zuurbier, Koen

From Integrated Regional Water Management to the Sustainable Groundwater Management Act: Lessons on institutionalizing participation to achieve the Human Right to Water in California

Dobbin, Kristin

Global Scale Study for Determining Groundwater Contribution to Environmental Flows and Sustainable Groundwater Abstraction Limits for SDGs

Sood, Aditya

Groundwater and Nitrogen Recharge Model for the On-Farm Flood Flow Capture Project in California

Ariyama, Jiro

Groundwater challenges faced by Southeast Asian smallholder farmers in Fresno County, California

Dahlquist-Willard, Ruth

Groundwater for more resilient agriculture in the Lower Mekong: governance challenges and lessons at the local level

Shivakoti, Binaya

Groundwater Management in Mexico – Embarking on New Horizons?

Parker, Timothy

Groundwater Management: Past, Present, and Future in the Upper Kings Basin of the Central Valley, California

Cehrs, David

Groundwater Nitrate Attenuation and Changes in Groundwater Quality Across a California Delta Floodplain

D'Elia, Amanda

Groundwater nitrate concentrations in the Permo-Triassic aquifer of the Eden Valley, UK

Burke, Sean

Groundwater pathways for nutrient transport from agricultural land to the Great Barrier Reef

Reading, Lucy

Groundwater Protection and Raising of Farmers Awareness


Groundwater remediation for nitrate contamination in public supply wells: Challenge of the non-point source

Rudolph, David

Groundwater salinization due to hydraulic closure in Tulare Basin over a long term time scale

Guo, Zhilin

Groundwater, Bioenergy and Soil Health – Is the Nexus Sustainable?

Karlen, Douglas

Harmonizing agriculture and vulnerable drinking water abstractions in Overijssel, the Netherlands: a collaborative approach

van den Brink, Cors

Historic, Current, and Future Availability of Surface Water for Agricultural Groundwater Banking in the Central Valley, California

Dahlke, Helen

Hydro-Economic Analysis for Sustainable Groundwater Management

Gailey, Robert

Hydroeconomic Modeling of Sustainable Groundwater Management

MacEwan, Duncan

Hydrogeochemical characterization in relation to nitrate concentrations in Central Valley (California, USA) domestic wells

Visser, Ate

Impact of Community Based Tank Management in Andhra Pradesh (AP) and Telangana states in India

Juvvadi, Devi Prasad

Implementing California’s Sustainable Groundwater Management Act: Farmer Perceptions and the Balance of Groundwater and Economic Sustainability

Young, Charles

Improved irrigation scheduling through airborne detection of water stress

Urban, Daniel

Improvement of phytoremediation by using chelating agents

Sato, Takeshi

Incorporating a dynamic irrigation demand module into an integrated groundwater/surface water model to assess drought sustainability

Kassenaar, Dirk

Incorporating land-atmospheric-vegetation feedbacks into subsurface models used for agriculture water management.

Illangasekare, Tissa

Indicators to identify the source of pesticide contamination to groundwater

Thorling. Lærke

Influence of agriculture on the groundwater chemical status in Slovenian alluvial plains

Urbanc, Janko

Informing Restoration Practice Through Estimation of Groundwater-Surface Water Time Lags With Windowed Cross-Correlation

Ta, Jenny

Innovations in Agricultural Groundwater Management: Smart Markets for Transferable Pumping Rights

Brozovic, Nicholas

Institutional Approaches to Manage Groundwater in California:Evaluating Special Act Districts and Court Adjudications

Langridge, Ruth

Integrated Modeling of In-Lieu Groundwater Recharge Using Recycled Water for Agriculture-Maximizing Benefits to Groundwater Dependent Ecosystems and Sustainable Groundwater Management

Dorn, Linda

Intercomparison of C2VSim and CVHM Groundwater Budgets for DWR Subregions in the Central Valley

Maples, Stephen

Investigating Livestock Manure Storage Facility Impacts on Groundwater in Alberta, Canada

Iwanyshyn, Mike

Irrigation Impacts in the Northern Great Lake States

Kraft, George

Knowledge based protection of groundwater through monitoring and modelling of nitrate in groundwater in rural areas

Thorling, Lærke


Sutton, Nora

Luncheon Keynote on Groundwater and the Future of Groundwater Management in Agriculture

Kiparsky, Michael

Managing freshwater resources: insights from New Zealand’s policy experience with managing the impacts of agricultural non-point sources.

Greenhalgh, Suzie

Managing Groundwater In a Time of Increasing Demand and Changing Climate

Garner, Eric

Managing the Groundwater-Surface Water Interface under California’s new GroundwaterLaw

Harter, Thomas

Markets, Groundwater and Law: Water Reform Lessons from Australia

Holley, Cameron

Matching agricultural freshwater supply and demand: using industrial and domestic treated wastewater for sub-irrigation purposes

Bartholomeus, Ruud

Mexico’s emerging illegal groundwater market: The product of corruption and neoliberal regulations

Overhouse, Ashley

Models to Inform Policy on Agricultural Groundwater Use in the Upper Midwest

Andrews, Charles

N-E-W Tech™: Advancing the Agricultural Circular Economy at the Nutrient-Energy-Water Nexus with Technology Innovation

Möller, Gregory

Napa County Groundwater Resources: A Comprehensive Program to Ensure Sustainability

Kretsinger Grabert, Vicki

Negotiating agriculture representation in decision making on groundwater sustainability

Bartlett, Gina

New Model for Groundwater Management in Rural-Agricultural Basins

Berg, Carolyn

New MODFLOW’s One-Water Hydrologic Flow Model and Application to Conjunctive Use of the Rio Grande River and Transboundary Aquifers

Boyce, Scott

Nitrate in Groundwater – Implementing Groundwater Monitoring Requirements for Irrigated Agriculture and Ensuring Safe Drinking Water in the Central Coast Region of California

Schroeter, Angela

Nitrate sensitive salinity management

Kandelous, Maziar

Nitrates, Groundwater and Drinking Water - A Tale of Two Communities

Stern, Virginia

Nitrogen cycling and water quality improvement during managed aquifer recharge: Experiments using reactive barrier technology

Fisher, Andrew

Nitrogen Fertilization in Central Valley Crops: Answering the question “Are we doing it Right?”

Klassen, Parry

Nitrogen surplus key factor in relation between farm practices and water quality

Hoogeveen, Marga

Numerical evaluation of managed aquifer recharge as a conjunctive water resource management tool in the Walla Walla Basin

Scherberg, Jacob

On-Farm Recharge: Acceptance and use by farmers and water managers in the San Joaquin Valley, California

Mountjoy, Daniel

Operational Mapping of Evapotranspiration over Agricultural Land in the California Central Valley

Melton, Forrest

Options for viable small-scale groundwater irrigation systems in the least-developed, water-rich case of Lao PDR

Pavelic, Paul


Abdo, Maria Teresa

Planning for Sustainable Management of Groundwater Resources, Case Study: Nishapur plain in Iran

Abrishamchi, Ahmad

Plenary 11

Ross, Karen

Plenary 12

Burns, Gordon

Plenary 22

Belitz, Kenneth

Plenary 24

Ludwig, Gabriele

Plenary 31

Mills, Ann

Plenary 41

Conant, Bernadette

Plenary 42

Cativiela, J.P.

Plenary 43

Alley, William

Plenary 45

Villholth, Karen

Plenary 46

Holley, Cameron

Potatoes and Trout: Groundwater Model Optimization to Balance Agricultural and Ecosystem Stakeholder Needs in the Little Plover River Basin, Wisconsin

Fienen, Michael

Potential for managed aquifer recharge on alfalfa crop land in California.

Dahlke, Helen

Predicted Impacts of Conjunctive Water Management on Late Summer Streamflow in an Agricultural Groundwater Basin with Limited Storage, Scott Valley, CA

Tolley, Douglas

Produced Water from Oil & Gas Fields as a Potential Source of Irrigation Water

Stringfellow, William

Quantifying the Impact of Human activities on Water Sustainability and Crop Yields across the High Plains Aquifer using Process-Based Models

Hyndman, David

Quantifying the Impacts of Irrigation Technology Adoption on Water Resources in the High Plains Aquifer

Kendall, Anthony

Quantifying the Role of Agricultural Groundwater Use for Drought Mitigation

Richey, Alexandra

Quantifying Water Dynamics for Cattle Grazing California Rangelands

Oltjen, James

Reducing environmental N losses and increasing N uptake on grazed dairy farms with simple, low cost detection and treatment of fresh cow urine patches

Quin, Bert

Regional management of a stock pollutant: agricultural drainwater

Knapp, Keith

Regional scale simulations of nitrate movement through the vadose zone using Hydrus 1D

Diamantopoulos, Efstathios

Regulating Water Bore Drillers: Lessons from Australia

Holley, Cameron

Remotely Sensed Crop Mapping Applications for Water Resource Management and Decision Support

Kimmelshue, Joel

RZWQM simulations of nitrate loss to subsurface drains from a Midwest bioenergy production system

Malone, Robert

Safe yield of large and small aquifers in agricultural regions

Loaiciga, Hugo

Scale dependence of controls on groundwater vulnerability to nonpoint-source nitrate contamination, California Coastal Basin aquifer system

Gurdak, Jason

Selective Groundwater Extraction for Agricultural Yield Optimization

Heller, Noah

Sensitive Catchments – Managing Nutrient Pathways and their Attenuation in NZ Agricultural Catchments

Singh, Ranvir

Soil leaching in saline areas. Is it the best practice for salinity management in agriculture? A case study from the Aral Sea Basin, Central Asia

Benli, Bogachan

Soil water repellency - a concern for groundwater recharge and quality?

Mueller, Karin

Spatial and temporal variability of nitrate in Wisconsin’s groundwater

Masarik, Kevin

Stable isotopes as indicators of sources and processes influencing nitrate distributions in groundwater beneath dairy farms in California

Young, Megan

State Implementation of the Sustainable Groundwater Management Act (SGMA)

Ekdahl, Erik

Stormwater Runoff Analysis for Placement of Managed Aquifer Recharge Projects in Santa Cruz and Northern Monterey Counties, California

Fisher, Andy

Sub-irrigation with waste water: a soil column experiment to foresee and mitigate clogging

Bartholomeus, Ruud

Summary of Managed Aquifer Recharge Concepts and Planning Methods

Gamon, Daniel

Sustainability economics of groundwater usage and management: a perspective from environmental macroeconomics

Knapp, Keith

Sustainable Groundwater Management: What We Can Learn from California’s Central Valley Streams

Matsumoto, Sandi

The California Nitrogen Assessment: Implications for the Future of Groundwater Resources

Liptzin, Daniel

The Case for Subsurface Storage of Water in Agricultural Basins

Fogg, Graham

The Central Valley Dairy Representative Monitoring Program – Insight from 4 Years of Monitoring and Special Studies

Angermann, Till

The challenges of integrating groundwater in a significant way into California’s water supply portfolio

Bachand, Philip

The economic value of emergency groundwater pumping during drought: The Yakima Basin, Washington State

Aryal, Ballav

The effects of climate change on groundwater extraction for agriculture and land-use change

Bertone Oehninger, Ernst

The exportation of agricultural water in California and other arid regions of the US.

Archer, Kelly

The Future Of Agriculture In A Changing World With Less Water And More Regulations

Miliband, Wes

The Groundwater Constraint: Responses to Falling Water Tables in India

Dar, Aaditya

The impacts of piped water on water quality, sanitation, hygiene and health in rural households of north-western Bangladesh - a quasi-experimental analysis

Hasan, Mohammad

The Importance of Rural, Farmworking Communities in Advancing Policy Solutions that Address Agricultural Pollution of Groundwater

Rempel, Jenny

The influence of the recent California drought on water table levels in the Sacramento Valley

LaHue, Gabriel

The irrigation-groundwater nexus at the global scale

Döll, Petra

The McMullin Project: The Justification and Process to bring On-Farm Flood Capture from Concept to Implementation

Bachand, Philip

The Netherlands Water Nexus Research Program: Brackish water as a resource for solving Agricultural and Industrial fresh water needs.

Rijnaarts, Prof. Dr. ir Huub

The relative influence of groundwater versus surface irrigation sources for agricultural production in India

Jain, Meha

To Maximize Net Benefits, Abolish or Limit Water Data Confidentiality to 1-5 Years

Reinelt, Peter

Tools for monitoring and evaluating potential sources of nitrates to ground water, Eastern Idaho

Hall, L. Flint

Towards development of a complete Landsat evapotranspiration and energy balance archive to support agricultural consumptive water use reporting and prediction in the Central Valley, CA

Huntington, Justin

Towards understanding the role of Social Capital within Adoption Decision Processes: An application to adoption of irrigation technology

Hunecke, Claudia

Trends in extreme droughts and their impact on grain yield in China over the past 50 years

Liu, Min

Understanding the timing and duration of implementation processes of groundwater management plans (GMPs) under AB3030 in California

Mendez Barrientos, Linda

USDA Conservation Programs and Groundwater – Advances in Data and Modeling

Wallander, Steven

USDA-NIFA’s Water for Agriculture: A mechanism to fund a broader portfolio in groundwater sustainability.

Dobrowolski, James

Use of early warning monitoring systems for groundwater protection in a policy decision context

Fraters, Dico

Using a GIS to develop distributed stormwater collection systems linked to managed aquifer recharge

Teo, E.

Using High Frequency Pump Monitoring to Reduce Energy Consumption

Halpenny, Morgan

Utilizing natural nitrogen reduction in national regulation

Højberg, Anker

Veterinary antibiotic, pathogen, and antibiotic resistance genes in tile effluent and shallow groundwater following manure application: Influence of controlled tile drainage

Lapen, David

Water quality trends in irrigation return flow from a southern Idaho watershed.

Bjorneberg, David

Water Security, productive restructuring and land use at Sepé Tiaraju settlement, São Paulo State, Brazil

Aly, Osvaldo

Watershed modeling to evaluate the impact of irrigated agriculture on surface water – groundwater interactions

Essaid, Hedeff

What policies to manage groundwater use in agriculture? Lessons from a study of OECD countries.

Gruere, Guillaume

What Will It Take To Protect Groundwater Quality Under California Central Valley Dairies?

Campbell, Marsha

Will our traditions for groundwater sampling in agricultural settings survive the 21st century?

Rozemeijer, Joachim

Working toward Sustainable Groundwater Resources in an Uncertain Future

Lockwood, Brian

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