Decadal surface water quality trends under variable climate, land use, and hydrogeochemical setting in Iowa, USA

Large Biases in Regression-Based Constituent Flux Estimates: Causes and Diagnostic Tools

(2014) Robert M. Hirsch   JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION

Vulnerability of Streams to Legacy Nitrate Sources

(2013) Anthony J. Tesoriero et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

SPARROW Models Used to Understand Nutrient Sources in the Mississippi/Atchafalaya River Basin

(2013) Dale M. Robertson et al.   JOURNAL OF ENVIRONMENTAL QUALITY

Nitrate Concentration Trends in Iowa’s Rivers, 1998 to 2012: What Challenges Await Nutrient Reduction Initiatives?

(2013) Dong Li et al.   JOURNAL OF ENVIRONMENTAL QUALITY

Long-term seasonal trends of nitrogen, phosphorus, and suspended sediment load from the non-tidal Susquehanna River Basin to Chesapeake Bay

(2013) Q. Zhang et al.   SCIENCE OF THE TOTAL ENVIRONMENT

Nutrient export from catchments on forested landscapes reveals complex nonstationary and stationary climate signals

(2013) Samson G. Mengistu et al.   WATER RESOURCES RESEARCH

Replacing Gasoline with Corn Ethanol Results in Significant Environmental Problem-Shifting

(2012) Yi Yang et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Evaluation of Variation in Nitrate Concentration Levels in the Raccoon River Watershed in Iowa

(2012) Sampath Jayasinghe et al.   JOURNAL OF ENVIRONMENTAL QUALITY

Factors controlling nitrate fluxes in groundwater in agricultural areas

(2012) Lixia Liao et al.   WATER RESOURCES RESEARCH

Nitrate in the Mississippi River and Its Tributaries, 1980 to 2008: Are We Making Progress?

(2011) Lori A. Sprague et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Impact of artificial subsurface drainage on groundwater travel times and baseflow discharge in an agricultural watershed, Iowa (USA)

(2011) Keith E. Schilling et al.   HYDROLOGICAL PROCESSES

Use of flow-normalization to evaluate nutrient concentration and flux changes in Lake Champlain tributaries, 1990–2009

(2011) Laura Medalie et al.   JOURNAL OF GREAT LAKES RESEARCH

Spatiotemporal scaling of hydrological and agrochemical export dynamics in a tile-drained Midwestern watershed

(2011) K. Guan et al.   WATER RESOURCES RESEARCH

Land use change in a biofuels hotspot: The case of Iowa, USA

(2010) Silvia Secchi et al.   BIOMASS & BIOENERGY

GAGES: A stream gage database for evaluating natural and altered flow conditions in the conterminous United States

(2010) James A. Falcone et al.   ECOLOGY

Nitrogen Contamination of Surficial Aquifers—A Growing Legacy†

(2010) Larry J. Puckett et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Nutrient loads exported from managed catchments reveal emergent biogeochemical stationarity

(2010) Nandita B. Basu et al.   GEOPHYSICAL RESEARCH LETTERS

Rating curve estimation of nutrient loads in Iowa rivers

(2010) Greg A. Stenback et al.   JOURNAL OF HYDROLOGY

Weighted Regressions on Time, Discharge, and Season (WRTDS), with an Application to Chesapeake Bay River Inputs1

(2010) Robert M. Hirsch et al.   JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION

Time-series modeling of reservoir effects on river nitrate concentrations

(2009) Andrea L. Schoch et al.   ADVANCES IN WATER RESOURCES

Concentration-discharge relationships reflect chemostatic characteristics of US catchments

(2009) Sarah E. Godsey et al.   HYDROLOGICAL PROCESSES

Nitrate-nitrogen patterns in the Raccoon River Basin related to agricultural practices

(2009) J.L. Hatfield et al.   JOURNAL OF SOIL AND WATER CONSERVATION

Climatic Influences on Midwest Drought during the Twentieth Century

(2008) Warren B. White et al.   JOURNAL OF CLIMATE

Corn-based ethanol production compromises goal of reducing nitrogen export by the Mississippi River

(2008) S. D. Donner et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Differences in Phosphorus and Nitrogen Delivery to The Gulf of Mexico from the Mississippi River Basin

(2007) Richard B. Alexander et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY