Publications

Research publications, manuscripts, reports, and presentations.

My publications focus on agricultural water management, groundwater sustainability, irrigation economics, land-use change, bioenergy crop systems, and spatial economic modeling.

Also listed on Google Scholar and ORCID.

Peer-reviewed Journal Articles

Journal articles and peer-reviewed research contributions.

2026

Opportunities for Bioenergy Crops to Support Transitions from Irrigated Agriculture and Conserve the U.S. High Plains Aquifer

Ramaswamy, K., Uludere-Aragon, N., and Lark, T. J.

Agricultural Water Management, 334, 110675.

Evaluates how bioenergy crops and dryland transitions may support groundwater conservation and long-term agricultural adaptation in the U.S. High Plains Aquifer region.

2021

Issues Facing the Californian Fruit Sector

Asci, S., and Ramaswamy, K.

Choices, 36(2).

Economic impacts of labor, water, trade, and regulatory issues in fruit farming in California.

Manuscripts Under Review

Manuscripts submitted to journals or undergoing revision.

Under Review

Well Capacity per Hectare Equipped for Irrigation Indicates Modeled Maize-to-Sorghum Transitions under Ogallala Aquifer Depletion

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Jones, R. D., Taghvaeian, S., and Vitale, J. D.

Agricultural Water Management. Under review.

A 60-year farm–aquifer optimization for the Oklahoma High Plains links crop simulations, a well-yield relation fitted to 237 irrigation wells, and production budgets to estimate when maize gives way to grain sorghum as well capacity declines. Compares center pivot and subsurface drip irrigation, drip cost-sharing, and pumping caps, and identifies well capacity per installed hectare as a candidate indicator of crop transitions.

Working Papers and Manuscripts in Preparation

Research papers and modeling frameworks in development.

In Prep

Biomass Production Opportunities on Intermittent, Former, and Water-stressed Irrigated Lands of the United States

Lark, T. J., Ramaswamy, K., Uludere-Aragon, N., Basso, B., and Robertson, P.

Manuscript in preparation for GCB Bioenergy.

Characterizes where intermittently irrigated, formerly irrigated, and water-stressed croplands could support bioenergy feedstock production across the United States.

In Prep

Field-scale Irrigation Efficiency Estimates Reveal Water–Energy–Carbon Trade-offs across the United States

Ramaswamy, K., Lark, T. J., Uludere-Aragon, N., and Xie, Y.

Manuscript in preparation; intended for Nature Water.

Develops a field-level dataset of modeled irrigation-system use and application efficiency for irrigated fields across the conterminous United States, and evaluates the water, energy, and carbon trade-offs of system upgrades.

In Prep

Reinforcement Learning for Sustainable Irrigation System Upgrades in U.S. Agriculture

Ramaswamy, K., Lark, T. J., Uludere-Aragon, N., and Xie, Y.

Manuscript in preparation; intended for Environmental Modelling & Software.

Efficient irrigation systems offer a path to water savings, but where and when should upgrades occur? A learning-based framework for targeting irrigation system transitions.

In Prep

Groundwater Conservation Leakage and the Scale of Collective Pumping Management: A Coupled Hydro-Economic and Flow Modeling Study of the Ogallala Aquifer

Ramaswamy, K., and Stoecker, A.

Manuscript in preparation; intended for Water Resources Research.

Hydrogeologic leakage constrains the effectiveness of decentralized groundwater conservation, but collective management can recover most of the conserved water depending on aquifer properties and coordination scale.

Technical Reports and Extension Publications

Project reports for the U.S. Geological Survey 104(b) program and Oklahoma Cooperative Extension Service fact sheets.

2019

Economics of Groundwater Interaction and Competing Crops

Ramaswamy, K., and Stoecker, A. L.

USGS 104(b) project report, Oklahoma Water Resources Center.

2017

Economic Viability of Grain Sorghum and Corn as a Function of Irrigation Capacity

Warren, J. G., Stoecker, A. L., Jones, R. D., Ramaswamy, K., and Beedy, T.

Oklahoma Cooperative Extension Service fact sheet, Stillwater, Oklahoma.

2016

Optimizing the Economic Value of Water from the Ogallala Aquifer Used for Irrigation

Warren, J. G., Stoecker, A. L., Gatlin, J., Ramaswamy, K., Jones, R. D., Campiche, J., Paul, A., and Lane, B.

USGS 104(b) project report, Oklahoma Water Resources Center.

2016

Crop Insurance Limitation to Adoption of Irrigated Grain Sorghum

Warren, J. G., Stoecker, A. L., Jones, R. D., Lane, B., Ramaswamy, K., and Beedy, T.

Oklahoma Cooperative Extension Service fact sheet, Stillwater, Oklahoma.

2015

Comparison of Grain Sorghum and Corn Productivity under Limited Irrigation with Subsurface Drip

Stoecker, A. L., Ramaswamy, K., Warren, J. G., Jones, R. D., Campiche, J., Paul, A., and Lane, B.

USGS 104(b) project report, Oklahoma Water Resources Center.

Conference Papers

Selected papers presented at the Agricultural & Applied Economics Association (AAEA) annual meetings and other professional conferences.

2024

Economic Strategies to Synergistically Produce Bioenergy and Optimize Aquifer Life in the U.S. High Plains

Ramaswamy, K., Lark, T. J., and Uludere-Aragon, N.

Selected paper, AAEA Annual Meeting, New Orleans, Louisiana, July 28–30.

2020

Modern Trade Wars: Chinese Retaliatory Tariffs vs. California’s Tree Nuts Industry

Asci, S., Ramaswamy, K., Devadoss, S., and Konduru, S. P.

Selected paper, AAEA Annual Meeting (virtual), Kansas City, Missouri, August 10–11.

2018

Economics of Groundwater Interaction and Competing Producers

Ramaswamy, K., Stoecker, A. L., Jones, R. D., Warren, J. G., and Taghvaeian, S.

Selected paper, AAEA Annual Meeting, Washington, D.C., August 5–7.

2017

Choice of Irrigated Corn or Grain Sorghum and Center Pivot or Subsurface Drip Systems in the High Plains of Oklahoma

Ramaswamy, K., Stoecker, A. L., Jones, R. D., Warren, J. G., and Taghvaeian, S.

Selected paper, AAEA Annual Meeting, Chicago, Illinois, July 30–August 1.

2014

Economic Viability of Grain Sorghum and Corn as a Function of Irrigation Capacity

Warren, J. G., Stoecker, A. L., Jones, R. D., Ramaswamy, K., and Beedy, T.

Selected paper, 29th Annual Central Plains Irrigation Conference, Burlington, Colorado, February 21–22.

Talks and Poster Presentations

Invited talks, paper presentations, and posters at scientific meetings.

Invited and Paper Presentations

2024

Characterizing Land Availability for Bioenergy Across the United States

Lark, T. J. (invited speaker); presented by Ramaswamy, K.

Talk presented on behalf of Tyler J. Lark, GLBRC Sustainability Retreat, U.S. Department of Energy Great Lakes Bioenergy Research Center, Kellogg Biological Station, Michigan State University.

2018

Economics of Cooperative Irrigation District in Oklahoma Panhandle

Ramaswamy, K., and Stoecker, A. L.

Oklahoma Governor’s Water Conference and Research Symposium, Midwest City, Oklahoma, December 5–6.

2017

Profitability between Subsurface Drip and Center Pivot Irrigation Systems in Oklahoma Panhandle

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Taghvaeian, S., and Jones, R. D.

Oklahoma State University Student Water Conference, Stillwater, Oklahoma, March 23–24.

2016

Optimal Long-Term Choice of Crop and Irrigation System with Limited Groundwater Supply

Ramaswamy, K., and Stoecker, A. L.

American Society of Civil Engineers (ASCE) World Environmental & Water Resources Congress, West Palm Beach, Florida, May 22–26.

2016

Economic Contrast of Independent and Competitive Water Extraction with Limited Water Supply

Ramaswamy, K., and Stoecker, A. L.

27th Annual OSU Research Symposium, Stillwater, Oklahoma, February 15–16.

2015

Economic Modeling to Maximize the Remaining Value of Ogallala Groundwater with Irrigated Corn vs. Grain Sorghum and Center Pivot vs. Subsurface Drip Systems

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Jones, R. D., Taghvaeian, S., Campiche, J., Paul, A., and Lane, B.

Oklahoma Governor’s Water Conference and Research Symposium, Norman, Oklahoma, December 1–2.

2014

Groundwater Level Depletion and Comparison of Corn and Grain Sorghum Production in Texas County, Oklahoma

Ramaswamy, K., and Stoecker, A. L.

Oklahoma State University Student Water Conference, Stillwater, Oklahoma, April 10–11.

Poster Presentations

2026

From Optimization to Adoption: A Decision-Support Tool for Groundwater-Constrained Bioenergy Crop Transitions

Ramaswamy, K., Uludere-Aragon, N., and Lark, T. J.

Great Lakes Bioenergy Research Center (GLBRC) Annual Science Meeting, Lake Geneva, Wisconsin, May 11–13.

2025

Advances in Decision-Making in Modern Agriculture: Targeted Irrigation System Upgrades in the U.S.

Ramaswamy, K., Lark, T. J., Uludere-Aragon, N., and Xie, Y.

American Geophysical Union (AGU) Annual Meeting, New Orleans, Louisiana, December 15–19.

2025

Bioenergy as a Bridge: Smart Irrigation Transitions to Conserve the U.S. High Plains Aquifer

Ramaswamy, K., Uludere-Aragon, N., and Lark, T. J.

GLBRC Sustainable Bioenergy Cropping Systems Meeting, Kellogg Biological Station, Hickory Corners, Michigan, October 22–23.

2025

Mitigating Groundwater Decline with Bioenergy Crops: Strategic Transitions in the U.S. High Plains

Ramaswamy, K., Lark, T. J., and Uludere-Aragon, N.

GLBRC Annual Science Meeting, Milwaukee, Wisconsin, May 16–18.

2024

Economic Opportunities for Producing Bioenergy Feedstocks and Optimizing Aquifer Life in the U.S. High Plains

Ramaswamy, K., Lark, T. J., and Uludere-Aragon, N.

Water@UW–Madison Annual Spring Symposium, Madison, Wisconsin, May 6; and GLBRC Annual Science Meeting, Lake Geneva, Wisconsin, May 13–15.

2024

Economic Opportunities of Bioenergy Feedstock Production in the U.S. High Plains

Ramaswamy, K., and Lark, T. J.

GLBRC Sustainable Bioenergy Cropping Systems Meeting, Hickory Corners, Michigan, February 6–8.

2020

Groundwater Management Policy Strategies for Effective Conservation of the Ogallala Aquifer

Ramaswamy, K., Vitale, J., Warren, J., and Taghvaeian, S.

AAEA Annual Meeting (virtual), Kansas City, Missouri, August 10–11.

2019

Potential Enacting of Cooperative Irrigation District in the High Plains of Oklahoma

Ramaswamy, K., and Vitale, J.

Oklahoma Governor’s Water Conference and Research Symposium, Midwest City, Oklahoma, December 4–5.

2018

Non-Major Student Perception of Accuracy of Content About the Loss of Pollinators Varies by Delivery Mode

Hoback, W. W., Boyer, T., and Ramaswamy, K.

North American Colleges and Teachers of Agriculture Conference, Ames, Iowa, June 12–15.

2018

Economics of a Potential Groundwater Management Area in Oklahoma Panhandle

Ramaswamy, K., and Stoecker, A. L.

Oklahoma Clean Lakes and Watersheds Conference, Stillwater, Oklahoma, April 4–5.

2017

Irrigation System Choice in Oklahoma Panhandle: Center Pivot versus Subsurface Drip

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Taghvaeian, S., and Jones, R. D.

Oklahoma Governor’s Water Conference and Research Symposium, Norman, Oklahoma, October 31–November 1.

2016

Irrigated Crop Choices Using Center Pivot: A Long-Term Profit Maximization

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Taghvaeian, S., and Jones, R. D.

Oklahoma Governor’s Water Conference and Research Symposium, Norman, Oklahoma, October 11–12.

2014

Water Use Profitability: Corn vs. Grain Sorghum for Panhandle Irrigation

Ramaswamy, K., Stoecker, A. L., Warren, J. G., Jones, R. D., and Campiche, J.

Oklahoma Governor’s Water Conference and Research Symposium, Oklahoma City, Oklahoma, October 22–23.

Interested in research collaboration or related work?

I welcome inquiries related to agricultural water management, groundwater sustainability, irrigation economics, land-use transitions, and decision-support modeling.