Sankarasubramanian Arumugam

Characterization of the urban heat Island effect from remotely sensed data based on a hierarchical model

JOURNAL OF HYDROLOGY X, 25.

Hydroclimatic scenario generation using two-stage stochastic simulation framework

ADVANCES IN WATER RESOURCES, 190.

Improved National-Scale Above-Normal Flow Prediction for Gauged and Ungauged Basins Using a Spatio-Temporal Hierarchical Model

WATER RESOURCES RESEARCH, 60(1).

Influence of long-term observed trends on the performance of seasonal hydroclimate forecasts

ADVANCES IN WATER RESOURCES, 188.

Is Reservoir Storage Effectively Utilized in Southeast? A Regional Assessment to Reduce Drought Risk considering Potential Storage and Flood Scenarios

Levey, J. R., & Arumugam, S. (2024, August 5).

Leveraging Synthetic Aperture Radar (SAR) to improve above-normal flow prediction in ungauged basins

Fang, S., Johnson, J. M., & Sankarasubramanian, A. (2024, April 15).

Leveraging synthetic aperture radar (SAR) with the National Water Model (NWM) to improve above-normal flow prediction in ungauged basins

Environmental Research Letters.

Regionalization of Climate Elasticity Preserves Dooge's Complementary Relationship

WATER RESOURCES RESEARCH, 60(10).

Beyond Simple Trend Tests: Detecting Significant Changes in Design-Flood Quantiles

GEOPHYSICAL RESEARCH LETTERS, 50(13).

Comprehensive Analysis of the NOAA National Water Model: A Call for Heterogeneous Formulations and Diagnostic Model Selection

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 128(24).

Comprehensive analysis of the NOAA National Water Model: A call for heterogeneous formulations and diagnostic model selection

Johnson, J. M., Fang, S., Sankarasubramanian, A., Rad, A. M., Cunha, L. K., Clarke, K. C., … Yeghiazarian, L. (2023, January 19).

Contrasting Annual and Summer Phosphorus Export Using a Hybrid Bayesian Watershed Model

WATER RESOURCES RESEARCH, 59(1).

Generalizing Reservoir Operations Using a Piecewise Classification and Regression Approach

WATER RESOURCES RESEARCH, 59(9).

Generalizing Reservoir Operations using a Piecewise Classification and Regression Approach

Ford, L., & Sankarasubramanian, A. (2023, March 26).

Improved National-Scale Flood Prediction for Gauged and Ungauged Basins using a Spatio-temporal Hierarchical Model

Fang, S., Johnson, J. M., Yeghiazarian, L., & Sankarasubramanian, A. (2023, February 9).

One-Parameter Analytical Derivation in Modified Budyko Framework for Unsteady-State Streamflow Elasticity in Humid Catchments

WATER RESOURCES RESEARCH, 59(9).

Regionalization of Climate Elasticity Preserves Dooge's Complementary Relationship

Awasthi, C., Vogel, R. M., & Sankarasubramanian, A. (2023, November 8).

Spatial and Temporal Variation of Subseasonal-to-Seasonal (S2S) Precipitation Reforecast Skill Across CONUS

Levey, J. R., & Sankarasubramanian, A. (2023, September 13).

Spectral Signatures of Flow Regime Alteration by Dams Across the United States

EARTHS FUTURE, 11(2).

Understanding the Food-Energy-Water Nexus in Mixed Irrigation Regimes Using a Regional Hydroeconomic Optimization Modeling Framework

WATER RESOURCES RESEARCH, 59(6).

Co-Optimization of Reservoir and Power Systems (COREGS) for seasonal planning and operation

ENERGY REPORTS, 8, 8061–8078.

How Does Flow Alteration Propagate Across a Large, Highly Regulated Basin? Dam Attributes, Network Context, and Implications for Biodiversity

Earth's Future.

Knowledge graphs to support real-time flood impact evaluation

AI MAGAZINE, 43(1), 40–45.

Projecting Flood Frequency Curves Under Near-Term Climate Change

WATER RESOURCES RESEARCH, 58(8).

Assessing inter-annual variability in nitrogen sourcing and retention through hybrid Bayesian watershed modeling

Hydrology and Earth System Sciences, 2.

Climatic and Landscape Controls on Long-term Baseflow

Water Resources Research, 57(6), e2020WR029284.

Dams and Climate Interact to Alter River Flow Regimes Across the United States

Earth’s Future, 9(4), e2020EF001816.

Dynamic Flow Alteration Index for Complex River Networks With Cascading Reservoir Systems

Water Resources Research, 58(1).

Performance Comparison of Equivalent Reservoir and Multireservoir Models in Forecasting Hydropower Potential for Linking Water and Power Systems

Journal of Water Resources Planning and Management, 147(4), 04021005.

Quantification of climate-induced interannual variability in residential U.S. electricity demand

Energy, 236, 121273.

Quantifying Dam-Induced Fluctuations in Streamflow Frequencies Across the Colorado River Basin

Water Resources Research, 57(10), e2021WR029753.

The Role of Temperature Variability on Seasonal Electricity Demand in the Southern US

Frontiers in Sustainable Cities, 3.

Tropical cyclones contribution to seasonal precipitation and streamflow using station-based data in Southeastern and Southcentral United States

Geophysical Research Letters, 48(15), e2021GL094738.

Urbanization Impacts on Evapotranspiration Across Various Spatio-Temporal Scales

Earth’s Future, 9(8), e2021EF002045.

A framework for ecological flow allocation in multiple reservoir operation

Chalise, D., Arumugam, S., Mahinthakumar, G., Ranjithan, R. S., Eaton, M., & Vidal, A. R. (2020, December 15). Presented at the American Geophysical Union Fall Meeting.

A performance‐based multi‐model combination approach to reduce uncertainty in seasonal temperature change projections

International Journal of Climatology, 41(S1), E2615–E2632.

America's Water: Multiscale Forecasting and Innovation in Infrastructure Design & Management Instruments is critical for Climate Adaptation

Lall, U., Arumugam, S., Cioffi, F., Devineni, N., Doss-Gollin, J., Kwon, H., & Rajagopalan, B. (2020, December 15). America's Water: Multiscale Forecasting and Innovation in Infrastructure Design & Management Instruments is critical for Climate Adaptation. Presented at the American Geophysical Union Fall Meeting.

COREGS: An optimization framework to analyze water and power systems together under a changing climate

Ford, L. C., Queiroz, A., DeCarolis, J., & Arumugam, S. (2020, December 15). Presented at the American Geophysical Union Fall Meeting.

Changing Seasonality of Annual Maximum Floods over the Conterminous US

Earth and Space Science Open Archive ESSOAr;

Climate and Water Management: Opportunities and Challenges” by the Government of India (Invited talk)

Arumugam, S. (2020, October). Presented at the Government of India, Vaibhav Summit.

Developing the hydrological dependency structure between streamgage and reservoir networks

Scientific Data, 7(1), 319.

GRAPS: Generalized Multi-Reservoir Analyses using probabilistic streamflow forecasts

Environmental Modelling & Software, 133, 104802.

HESS Opinions: Beyond the long-term water balance: evolving Budyko's supply–demand framework for the Anthropocene towards a global synthesis of land-surface fluxes under natural and human-altered watersheds

Hydrology and Earth System Sciences, 24(4), 1975–1984.

Synthesis of Irrigation Water Use in the United States: Spatiotemporal Patterns

JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT, 146(7).

Technical Note: Evaluation of the skill in monthly-to-seasonal soil moisture forecasting based on SMAP satellite observations over the southeastern US

Hydrology and Earth System Sciences, 24(3), 1073–1079.

The Roles of Climate Forcing and Its Variability on Streamflow at Daily, Monthly, Annual, and Long‐Term Scales

Water Resources Research, 56(7).

The Roles of Climate Variability on Runoff at Daily, Monthly, Annual, and Long-term Scales

Yao, L., Libera, D., Kheimi, M. M. A., Arumugam, S., & Wang, D. (2020, January 29). (Vol. 1). Vol. 1.

The Urban Flooding Open Knowledge Network: Delivering Flood Information to AnyOne, AnyTime AnyWhere

Merwade, V., Yeghiazarian, L., Arumugam, S., Cai, X., Shepherd, A., Johnson, M., & Riasi, M. S. (2020, December 15). Presented at the American Geophysical Union Fall Meeting.

Understanding the food-energy-water nexus through hydroeconomic modeling under near-term climate change and regional development portfolios

Kumar, H., Arumugam, S., & Zhu, T. (2020, December 15). Presented at the American Geophysical Union Fall Meeting.

Water Security under changing climate: Stressors, Opportunities and Challenges

Arumugam, S. (2020, October). Presented at the University of Colorado, Boulder.

A Geo-processing Tool for co-locating the dependency of critical infrastructure with hydrologic information network

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Challenges in Understanding Continental Scale Groundwater Variability, Change and Appropriation

Presented at the National Academies Workshop on Groundwater Recharge and Flow: Approaches and Challenges for Monitoring and Modeling Using Remotely Sensed Data, Washington, DC.

Climate-Water-Energy Nexus: An Integrated Modeling Framework to Analyze Water and Power Systems Under a Changing Climate

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Complete spatial model calibration

The Annals of Applied Statistics, 13(2), 746–766.

How Regional Evapotranspiration Fluxes are altered due to Urbanization?

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

How does flow alteration propagate across a large, highly-regulated basin? Dam attributes, network context, and implications for biodiversity

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Human and climate variables explain spatio-temporal patterns of streamflow variation across the United States

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Improving monthly streamflow forecasts through assimilation of observed streamflow for rainfall-dominated basins across the CONUS

Journal of Hydrology, 575, 704–715.

Limitations of univariate linear bias correction in yielding cross‐correlation between monthly precipitation and temperature

International Journal of Climatology, 39(11), 4479–4496.

Repurposing an energy system optimization model for seasonal power generation planning

Energy, 181, 1321–1330.

Revising Flood-Frequency Curves under Climate Change in the United States

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Sustainable Urban Systems: Managing the Urban Multiplex and its Hydrologic Challenges

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Sustainable Water Management in the Lower Colorado Basin: Influence of Climate and Regulatory Context on the Ability to Meet Human and Environmental Water Needs

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

The Roles of Climate Variability on Runoff at Daily, Monthly, Inter-annual, and Mean Annual Scales

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

The Utility of Gauge-measured Streamflow Records in Improving Month-ahead Streamflow Forecasts through Variational Data Assimilation

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

The role of climate on crop yield per unit area across the contiguous United States

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

The role of cross-correlation between precipitation and temperature in basin-scale simulations of hydrologic variables

Journal of Hydrology, 570, 304–314.

Understanding Drivers of Subseasonal to Seasonal Streamflow Variability over Contiguous United States

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Using an Integrated Groundwater and Surface Water Model for Understanding the Effects of Climate Change Scenarios on the Food-Energy-Water Nexus

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

Variational Assimilation of Streamflow Observations in Improving Monthly Streamflow Forecasting

[Preprint]. Hydrology and Earth System Sciences.

What defines a flood? Building shared understanding across differing attributes and definitions of flooding

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA.

A Conceptual Approach using the Limits Concept for Extending Budyko's Framework for Natural Watersheds and Human-Altered Landscapes

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

A non-parametric bootstrapping framework embedded in a toolkit for assessing water quality model performance

Environmental Modelling & Software, 107, 25–33.

Application of Sub-seasonal to Seasonal (S2S) precipitation forecast in multipurpose multi-reservoir system for water and energy management

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

Assessing the restoration time of surface water and groundwater systems under groundwater pumping

Stochastic Environmental Research and Risk Assessment, 32(9), 2741–2759.

Climate-Water-Energy Nexus: Opportunities and Challenge

Arumugam, S. (2018, October). Presented at the CoPE workshop, Atlanta, Georgia.

Climate-Water-Energy Nexus: Uncertainty Reduction in Climate Forecasts Using Multimodel Combination and their Relevance to Water and Energy Management

Presented at the World Council for Energy and Climate, Shanghai.

Climate-Water-Energy Nexus: Uncertainty Reduction in Climate Forecasts using Multimodel Combination and their relevance to Water and Energy Management

(2018, June 19). Presented at the Indian Institute of Science.

Conjunctive Management of Surface Water and Groundwater Resources under Drought Conditions Using a Fully Coupled Hydrological Model

JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT, 144(9).

Effects of dam purpose and degree of regulation on flow regime alteration over the continental United States

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

Evaluating the Controls of the Long-Term Water Balance through a Conceptual Hydrological Model Representing Saturation Excess and Infiltration Excess Runoff Generations

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

Global assessment of evapotranspiration impacted by anthropogenic land cover changes

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

Modeling the Irrigation Withdrawals Over the Coterminous US Using a Hierarchical Modeling Approach

Water Resources Research, 54(6), 3769–3787.

Monthly hydroclimatology of the continental United States

ADVANCES IN WATER RESOURCES, 114, 180–195.

Multivariate bias corrections of mechanistic water quality model predictions

Journal of Hydrology, 564, 529–541.

Role of Pacific SSTs in improving reconstructed streamflow over the coterminous US

Scientific Reports, 8(1).

Seasonal Ensemble Forecast Post-processing

In Handbook of Hydrometeorological Ensemble Forecasting (pp. 1–27).

Synthesis of public water supply use in the United States and China: Spatio-temporal patterns and socio-economic controls

(2018, May). Presented at the Tsinghua University, Beijing.

Synthesis on National Water Use: Spatial Patterns and Socio-economic Controls, State of America’s Water: Present and Future

Arumugam, S. (2018, April). Presented at the University of Cincinnati, Cincinnati, Ohio.

Synthesis on National Water Use: Spatial Patterns and Socio-economic Controls, State of America’s Water: Present and Future

Arumugam, S. (2018, January). Presented at the NOAA Science Seminar Series.

The Role of Spatial Variability of Climate Variables on the Long-Term Water Balance Using a Semi-distributed (SWAT) Mechanistic Model

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

Understanding the cumulative effects of dams on regional streamflow dynamics

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

WSC - Category 3: Collaborative Research: Water Sustainability under Near-term Climate Change: A Cross-Regional Analysis Incorporating Socio-Ecological Feedbacks and Adaptations

[National Science Foundation].

Water

In D. R. Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, & B. C. Stewart (Eds.), Impacts, Risks, and Adaptation in the United States: The Fourth National Climate Assessment, Volume II.

Water: Fourth U.S. National Climate Assessment (NCA4) Volume 2, Chapter 3

Presented at the American Geophysical Union Fall Meeting, Washington, DC.

A Hybrid Approach Towards Streamflow Reconstruction Using Tree-ring Chronologies and Ssts over the United States

Patskoski, J. S., Mukhopadhyaya, S., & Arumugam, S. (2017, May 21). Presented at the World Environmental & Water Resources Congress (EWRI), Sacramento, CA.

Characterizing and Predicting Yelp Users' Behavior

HIGHLIGHTING THE IMPORTANCE OF BIG DATA MANAGEMENT AND ANALYSIS FOR VARIOUS APPLICATIONS, Vol. 27, pp. 17–35.

Climate Informed Uncertainty Analyzes for Integrated Water Resources Sustainability

[Technical Report]. National Science Foundation.

Data Assimilation using observed streamflow and remotely-sensed soil moisture for improving sub-seasonal-to-seasonal forecasting

Mazrooei, A., Arumugam, S., Lakshmi, V., & Wood, A. (2017, December 11). Presented at the American Geophysical Union Fall meeting, New Orleans, LA.

Decomposition of Sources of Errors in Seasonal Streamflow Forecasting over the US Sunbelt

Arumugam, S. (2017, July). Presented at the University Council for Atmospheric Research, Boulder, Colorado.

Equivalent Reservoir Modeling for Multipurpose and Multi-reservoir Systems over the Southern United States

Mukhopadhyaya, S., Quieroz, A., & Arumugam, S. (2017, May 21). Presented at the World Environmental & Water Resources Congress (EWRI), Sacramento, CA.

Impact of Correlation Between Precipitation and Temperature on Hydrologic Simulations

Seo, S. B., Bhowmik, R. D., Mahinthakumar, G., & Arumugam, S. (2017, May 21). Presented at the World Environmental & Water Resources Congress (EWRI), Sacramento, CA.

Integrated Drought Monitoring and Forecasts for Decision Making in Water and Agricultural Sectors over the Southeastern US under Changing Climate

Arumugam, S., Mazrooei, A., & Cumbie-Ward, R. (2017, December 11). Presented at the American Geophysical Union Fall meeting, New Orleans, LA.

Multivariate Bias Correction Procedures for Improving Water Quality Predictions from the SWAT Model

Libera, D., & Arumugam, S. (2017, December 11). Presented at the American Geophysical Union Fall meeting, New Orleans, LA.

Multivariate Downscaling Approach Preserving Cross Correlations across Climate Variables for Projecting Hydrologic Fluxes

Journal of Hydrometeorology, 18(8), 2187–2205.

Patterns and drivers of fish extirpations in rivers of the American Southwest and Southeast

Global Change Biology, 24(3), 1175–1185.

Reducing Model Structural Uncertainty in Climate Model Projections—A Rank-Based Model Combination Approach

Journal of Climate, 30(24), 10139–10154.

Reducing uncertainty in stochastic streamflow generation and reservoir sizing by combining observed, reconstructed and projected streamflow

Stochastic Environmental Research and Risk Assessment, 32(4), 1065–1083.

Sub-seasonal-to-seasonal Reservoir Inflow Forecast using Bayesian Hierarchical Hidden Markov Model

Mukhopadhyaya, S., & Arumugam, S. (2017, December 11). Presented at the American Geophysical Union Fall meeting, New Orleans, LA.

Synthesis of public water supply use in the United States: Spatio‐temporal patterns and socio‐economic controls

Earth's Future, 5(7), 771–788.

Uncertainty Reduction in Climate Forecasts using Multimodel Combination and their Relevance to Water and Energy Management

Arumugam, S. (2017, March). Presented at the University of South Carolina, Columbia, SC.

Utilizing Climate Information for Improving Water, Energy, & Ecological Management

Arumugam, S. (2017, April). Utilizing Climate Information for Improving Water, Energy, & Ecological Management. Presented at the Southeast Climate Science Center, Raleigh, NC.

Utilizing Enkf Data Assimilation in Improving ‘abcd’ Lumped Water Balance Model Performance

Mazrooei, A., & Arumugan, S. (2017, May 21). Presented at the World Environmental & Water Resources Congress (EWRI), Sacramento, CA.

Utilizing Probabilistic Downscaling Methods to Develop Streamflow Forecasts from Climate Forecasts

Journal of Hydrometeorology, 18(11), 2959–2972.

Climate Variability and its Impacts over the Southeast

Arumugam, S. (2016, February). Presented at the Columbia University, New York.

Developing Categorical Streamflow Forecasts from Climate Forecasts Using Probabilistic Downscaling Methods

Mazrooei, A., & Arumugam, S. (2016, May 22). Presented at the World Environmental and Water Resources Congress (EWRI), West Palm Beach, FL.

Flood forecasting a global perspective foreword

Flood Forecasting: A Global Perspective, XVII-.

Identification of dominant source of errors in developing streamflow and groundwater projections under near-term climate change

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 121(13), 7652–7672.

Importance of Preserving Cross-correlation in developing Statistically Downscaled Climate Forcings

Bhowmik, R. D., & Arumugam, S. (2016, May 22). Presented at the World Environmental & Water Resources Congress (EWRI), West Palm Beach, FL.

Multivariate Bias Correction Procedures for Improving Water Quality Predictions using Mechanistic Models

Libera, D., & Arumugam, S. (2016, May 22). Presented at the World Environmental and Water Resources Congress (EWRI), West Palm Beach, FL.

Predictive Classical and Hierarchical Bayesian Modeling for Yearly Irrigation Water Withdrawal over the Coterminous USA

Das, P., & Arumugam, S. (2016, May 22). Presented at the World Environmental and Water Resources Congress (EWRI), West Palm Beach, FL.

Synthesis of US Public Water Supply: Spatio-temporal Patterns and Socio-Economic Controls

Arumugam, S., Ruhi, A., Sabo, J., Sinha, T., Seo, S. B., & Bhowmik, R. D. (2016, December 12). Presented at the American Geophysical Union Fall meeting, San Francisco, CA.

Understanding the Effects of Groundwater Pumping on Streamflow: Human-Feedback Analysis on Downstream Impacts and Relevance to Reservoir Management

Seo, S. B., Mahinthakumar, G., Arumugam, S., & Kumar, M. (2016, May 22). Presented at the World Environmental & Water Resources Congress (EWRI), West Palm Beach, Florida.

Utilizing Climate Forecasts for Improving Water and Power Systems Coordination

Arumugam, S., Quieroz, A., Patskoski, J., Mahinthakumar, G., & DeCarolis, J. (2016, December 12). Presented at the American Geophysical Union Fall meeting, San Francisco, CA.

Water and ecological sustainability under near-term climate change

Arumugam, S. (2016, March). Presented at the Water Sustainability and Climate (WSC) PI meeting, National Science Foundation.

A framework for incorporating ecological releases in single reservoir operation

Advances in Water Resources, 78, 9–21.

Climate-Water-Energy Nexus: Opportunities and Challenges

Arumugam, S. (2015, March 23). Presented at the Private Sector Partnership Forum: Climate Services and Decision Support Tools for the Energy Sector, World Meteorological Organization, Geneva.