Watersheds: Watersheds in Iowa

The watersheds in the state of Iowa were grouped into 13 major watersheds covering more than 85% of the state for studying the economic and environmental impacts of placing conservation practices on the landscape for water quality benefits.

Relevant Projects

  • 2006-07: Iowa Farm Bureau, Leopold Center for Sustainable Development, Iowa Soybean Association. Iowa Corn Growers Association. Assessment of Conservation Practices on Agricultural Cropland in Iowa. Investigators: C.L. Kling. S. Secchi, P.W. Gassman, M. Jha, and H. Feng. Amount: $55,000.
  • 2005-06: Iowa State Water Resources Research Institute (now, Iowa Water Center). Improving Water Quality in Iowa Rivers: Analysis of Adopting Conservation Practices and Changing Agricultural Land Use. Investigators: C.L. Kling, H. Feng, P.W. Gassman, and L. Kurkalova. Amount: $39,600.
  • 2004-05: Iowa Department of Natural Resources. Adopting Conservation Practices on Agricultural Cropland in Iowa and Possible Nutrient Standards. Investigators: C.L. Kling, H. Feng, S. Secchi, P.W. Gassman, L. Kurkalova. Amount: $53,360.

Journal Publications

  • Secchi, S., P.W. Gassman, M. Jha, L. Kurkalova, H. Feng, T. Campbell, and C.L. Kling. 2007. The cost of cleaner water: Assessing agricultural pollution reduction at the watershed scale. Journal of Soil and Water Conservation Society 62(1):10-21.
  • Secchi, S., M. Jha, L. Kurkalova, H. Feng, P.W. Gassman, and C.L. Kling. 2007. Privatizing ecosystem services: water quality effects from a carbon market. Choices: Food, Farm, and Resource Issues 22(2):97-101.

Conference/Workshop Proceedings/Presentations

  • Secchi, S., P.W. Gassman, M. Jha, C.L. Kling, and L. Kurkalova. Water quality effects of corn ethanol versus switchgrass-based biofuels in the Midwest. Conference on Transition to a Bioeconomy: Environmental and Rural Development Impact. October 15-16, 2008, St. Louis, Missouri.
  • Jha, M., P.W. Gassman, S. Secchi, and J.G. Arnold. Nonpoint Source Needs Assessment for Iowa Part I: Configuration, Calibration and Validation of SWAT. American Society of Agricultural Engineers 3rd Conference on Watershed Management to Meet Water Quality Standards and Emerging TMDL (Total Maximum Daily Loads). March 5-10, 2005, Atlanta, Georgia.
  • Secchi, S., H. Feng, L. Kurkalova, C.L. King, P.W. Gassman, and M. Jha. Nonpoint Source Needs Assessment for Iowa Part II: The Economics of Conservation Practices. American Society of Agricultural Engineers 3rd Conference on Watershed Management to Meet Water Quality Standards and Emerging TMDL (Total Maximum Daily Loads). March 5-10, 2005, Atlanta, Georgia.
  • Gassman, P.W., S. Secchi, M. Jha, and C.L. King. Nonpoint Source Needs Assessment for Iowa Part III: Economic and Environmental Outcomes. American Society of Agricultural Engineers 3rd Conference on Watershed Management to Meet Water Quality Standards and Emerging TMDL (Total Maximum Daily Loads). March 5-10, 2005, Atlanta, Georgia.

Posters

  • Secchi, S., M. Jha, L. Kurkalova, H. Feng, P.W. Gassman, and C.L. Kling. Effectiveness of agricultural conservation policies and alternatives metrics of water quality. American Agricultural Economics Association (AEAA) Annual Meeting. July 23-26, 2006, Long Beach, California.
  • Secchi, S., M. Jha, L. Kurkalova, C.L. Kling, H. Feng, and P.W. Gassman. Assessing water quality improvement needs in the state of Iowa: conservation practices, costs, and watershed modeling. The American Agricultural Economics Association Annual (AAEA) Meeting. July 24-27, 2005, Providence, Rhode Island (2nd place winner).
  • Kling, C.L., S. Secchi, P.W. Gassman, M. Jha, L. Kurkalova, and H. Feng. The costs of conservation practices to improve water quality in the state of Iowa. 2005 Agricultural and the Environmental Conference. Iowa State University, Ames, IA, March 8-9, 2005.
  • Kling, C.L., T. Campbell, H. Feng, M. Jha, L. Kurkalova, S. Secchi, and P.W. Gassman. The cost of meeting the needs of nonpoint source water pollution control in Iowa. American Society of Agricultural Engineers 3rd Conference on Watershed Management to Meet Water Quality Standards and Emerging TMDL (Total Maximum Daily Loads). March 5-10, 2005, Atlanta, Georgia.