Office of Research and Development Publications

National Exposure Research Laboratory (NERL) Research Publications

Refine Your Search

Search Again

Search Within

More Results

See all EPA publications for Christopher Knightes Include records from any date Include records from any EPA source

Records 1 to 25 of 38 records from [ORD-NERL] published between 10/21/2013 and 10/21/2018 from author Christopher Knightes

Next >>

2018

Sitterson, J., Chris Knightes, R. Parmar, K. Wolfe, B. Avant, A. Ignatius, AND D. Smith. A Survey of Precipitation Data for Environmental Modeling (iEMSs 2018). iEMSs 2018, Fort Collins, CO, June 24 - 28, 2018.

Sitterson, J., Chris Knightes, R. Parmar, K. Wolfe, M. Muche, AND B. Avant. An Overview of Rainfall-Runoff Model Types. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-17/482, 2017.

Sitterson, J., Chris Knightes, R. Parmar, K. Wolfe, B. Avant, AND M. Muche. An Overview of Rainfall-Runoff Model Types (iEMSs 2018). iEMSs 2018, Fort Collins, CO, June 24 - 28, 2018.

Muche, M., S. Sinnathamby, R. Parmar, Chris Knightes, JohnM Johnston, K. Wolfe, Tom Purucker, Mike Cyterski, AND D. Smith. Effects of Precipitation Data Source Selection of SWAT Hydrologic Simulation. 2018 iEMSs, Fort Collins, CO, June 24 - 28, 2018.

Avant, B., Chris Knightes, R. Zepp, D. Bouchard, X. Chang, H. Hsieh, Matt Henderson, J. Spear, Brad Acrey, AND Y. Han. Environmental Fate and Transport of Carbon-based Nanomaterials in Aquatic Ecosystems. iEMSs 2018, Fort Collins, CO, June 24 - 28, 2018.

Wolfe, K., R. Parmar, Chris Knightes, D. Smith, M. Galvin, J. Koblich, J. Sitterson, JohnM Johnston, AND Tom Purucker. HMS: Hydrologic Micro Services. 2018 iEMSs, Fort Collins, CO, June 24 - 28, 2018.

Parmar, R., Chris Knightes, D. Smith, K. Wolfe, M. Galvin, J. Koblich, J. Sitterson, JohnM Johnston, AND Tom Purucker. Hydrologic Micro Services (HMS). 2018 iEMSs, Boulder, CO, June 24 - 28, 2018.

Parmar, R., Chris Knightes, AND JohnM Johnston. Hydrologic Micro Services (HMS) - A Webinar by EPA’s Water Quality Modeling Work Group. Webinar by EPA’s Water Quality Modeling Work Group, webinar, October 10, 2018.

Knightes, Chris, B. Avant, Y. Han, R. Zepp, D. Bouchard, Brad Acrey, T. Wool, AND R. Ambrose. Simulating Toxicant Concentrations in Surface Waters and Sediments: Advances in the Water Quality Analysis Simulation Program (WASP8). iEMSs 2018, Fort Collins, CO, June 24 - 28, 2018.

Han, Y., Chris Knightes, D. Bouchard, R. Zepp, X. Chang, H. Hsieh, Matt Henderson, J. Spear, Brad Acrey, AND B. Avant. Simulating the Fate and Transport of Graphene Oxide Nanoparticles and Their Reaction Products in Surface Waters Using the Water Quality Analysis Simulation Program 8 (WASP8). 2018 ACS National Meeting & Expo, Boston, MA, August 19 - 23, 2018.

Han, Y., Chris Knightes, R. Zepp, D. Bouchard, X. Chang, H. Hsieh, B. Avant, Matt Henderson, J. Spear, AND Brad Acrey. Simulating the Fate and Transport of Nanoparticles and Their Reaction Products in Surface Waters Using the Water Quality Analysis Simulation Program 8 (WASP8). 2018 iEMSs Conference, Fort Collins, CO, June 24 - 28, 2018.

2017

Sitterson, J., Chris Knightes, R. Parmar, K. Wolfe, B. Avant, A. Ignatius, AND D. Smith. A Survey of Precipitation Data for Environmental Modeling. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-17/441, 2017.

Sullivan, Kate, Mike Cyterski, Chris Knightes, J. Washington, S. Kraemer, L. Prieto, AND B. Avant. An overview of the Gold King Mine Release and its Transport and Fate in the Animas and San Juan Rivers. New Mexico Water Institute Symposium on Animas River, Farmington, NM, June 20 - 22, 2017.

Sullivan, Kate, Mike Cyterski, Chris Knightes, J. Washington, S. Kraemer, L. Prieto, AND B. Avant. Characteristics of Metals Concentrations in in the Animas and San Juan Rivers during Passage of the Gold King Mine Release Plume. 2017 Conference on the Environmental Conditions of the Animas and San Juan Watersheds, Farmington, NM, June 20 - 22, 2017.

Sullivan, Kate, Mike Cyterski, Chris Knightes, J. Washington, S. Kraemer, AND L. Prieto. Illustration of a fingerprinting method to isolate Gold King Release Metals from Background Concentrations in the San Juan River. New Mexico Water Institute Symposium on Animas River, Farmington, NM, June 20 - 22, 2017.

Avant, B., Chris Knightes, D. Bouchard, X. Chang, Matt Henderson, AND R. Zepp. Modeling Engineered Nanomaterials (ENMs) Fate and Transport in Aquatic Ecosystems. Georgia Water Resources Conference, Athens, GA, April 19 - 20, 2017.

Han, Y., Chris Knightes, D. Bouchard, R. Zepp, H. Hsieh, X. Chang, AND J. Spear. Modeling the Environmental Fate of Graphene Oxide and Its Phototransformation Products in Brier Creek Watershed Using the Water Quality Analysis Simulation Program 8 (WASP8). 2017 AGU Fall Meeting, New Orleans, LA, December 11 - 15, 2017.

Knightes, Chris, D. Bouchard, R. Zepp, Matt Henderson, Y. Han, H. Hsieh, Brad Acrey, AND J. Spear. Simulating Exposure Concentrations of Engineered Nanomaterials in Surface Water Systems: WASP8. 2017 AGU Fall Meeting, New Orleans, LA, December 11 - 15, 2017.

Bouchard, D., Chris Knightes, X. Chang, AND B. Avant. Simulating Multiwalled Carbon Nanotube Transport in Surface Water Systems Using the Water Quality Analysis Simulation Program (WASP). ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 51(19):11174–11184, (2017).

Ambrose, B., B. Avant, Y. Han, Chris Knightes, AND T. Wool. Water Quality Assessment Simulation Program (WASP8): Upgrades to the Advanced Toxicant Module for Simulating Dissolved Chemicals, Nanomaterials, and Solids. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-17/326, 2017.

2016

Zepp, R., D. Bouchard, W. Hou, C. Chen, B. Acrey, X. Chang, Matt Henderson, S. Martin, AND Chris Knightes. Roles of Direct and Indirect Light-Induced Transformations of Carbon Nanomaterials in Exposures in Aquatic Systems. SETAC North America 37th Annual Meeting, Orlando, FL, November 06 - 10, 2016.

Knightes, Chris, Kate Sullivan, B. Avant, Mike Cyterski, J. Washington, AND L. Prieto. Simulating the Fate and Transport of an Acid Mine Drainage Release. 2016 AGU Fall Meeting, CA, San Francisco, December 12 - 16, 2016.

2015

Sullivan, Kate, Mike Cyterski, S. Kraemer, Chris Knightes, K. Price, K. Kim, L. Prieto, M. Gabriel, AND R. Sidle. Case Study Analysis of the Impacts of Water Acquisition for Hydraulic Fracturing on Local Water Availability. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/179, 2015.

Johnston, JohnM AND Chris Knightes. Engineered Nanomaterial Fate and Transport Modeling Strategy. Presented at Center for Environmental Implications of Nanotechnology (CEIN) Workshop, Los Angeles, CA, March 19 - 20, 2015.

Gabriel, M., Chris Knightes, E. Cooter, AND R. Dennis. Evaluating relative sensitivity of SWAT-simulated nitrogen discharge to projected climate and land cover changes for two watersheds in North Carolina, USA. Hydrological Processes. John Wiley & Sons, Ltd., Indianapolis, IN, , online, (2015).