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See all EPA publications for Marc Weber Include records from any date Include records from any EPA source

Records 1 to 25 of 30 records from [ORD-NHEERL] published between 09/22/2012 and 09/22/2017 from author Marc Weber

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2017

Fox, EricW, R. Hill, S. Leibowitz, Tony Olsen, D. Thornbrugh, AND M. Weber. Assessing the accuracy and stability of variable selection methods for random forest modeling in ecology. ENVIRONMENTAL MONITORING AND ASSESSMENT. Springer, New York, NY, 189:316, (2017).

Omernik, J., G. Griffith, R. Hughes, J. Glover, AND M. Weber. How Misapplication of the Hydrologic Unit Framework Diminishes the Meaning of Watersheds. ENVIRONMENTAL MANAGEMENT. Springer-Verlag, New York, NY, 60(1):1-11, (2017).

Leibowitz, Scott G, M. Rains, I. Creed, R. Hill, Marc H Weber, C. Jones, D. Aldred, AND J. Christensen. National Mapping of Wetland Connectivity. 2017 SWS Annual Meeting, San Juan, PUERTO RICO, June 05 - 08, 2017.

Hill, R., M. Weber, R. Debbout, S. Leibowitz, AND Tony Olsen. The Lake-Catchment (LakeCat) Dataset for characterizing hydrologically-relevant landscape features for lakes across the conterminous US. Society for Freshwater Science Annual Meeting, Raleigh, North Carolina, June 04 - 08, 2017.

Hill, R., M. Weber, R. Debbout, S. Leibowitz, AND Tony Olsen. The Stream-Catchment (StreamCat) and Lake-Catchment (LakeCat) Datasets: leveraging existing geospatial frameworks and data to characterize lotic and lentic ecosystems across the conterminous US for ecological and environmental modeling. Ecological Society of America Annual Meeting, Portland, Oregon, August 06 - 11, 2017.

Leibowitz, Scott G, M. Rains, I. Creed, R. Hill, Marc H Weber, C. Jones, D. Aldred, AND J. Christensen. Wetland Hydrological Connectivity: A Classification Approach and United States Assessment. 2017 AWRA Spring Specialty Conference on Aquatic System Connectivity, Snowbird, UT, May 01 - 03, 2018.

2016

Leibowitz, S., R. Comeleo, P. Wigington, Jr., M. Weber, E. Sproles, AND K. Sawicz. Hydrologic Landscape Characterization for the Pacific Northwest, USA. JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION. American Water Resources Association, Middleburg, VA, 52(2):473-493, (2016).

Thornbrugh, D., S. Leibowitz, R. Hill, M. Weber, J. Stoddard, AND J. Flotemersch. MAPPING WATERSHED INTEGRITY FOR THE CONTERMINOUS UNITED STATES. Society for Freshwater Science Meeting, Sacramento, CA, May 21 - 26, 2016.

Omernik, J., Steve Paulsen, M. Weber, AND G. Griffith. Regional patterns of total nitrogen concentrations in the National Rivers and Streams Assessment. JOURNAL OF SOIL AND WATER CONSERVATION. Soil and Water Conservation Society, 71(3):167-181, (2016).

Leibowitz, S., R. Hill, M. Weber, D. Thornbrugh, EricW Fox, Tony Olsen, J. Flotemersch, J. Stoddard, AND D. Peck. SSWR 3.01B.1: National maps of watershed integrity and stream condition. SSWR webinar on “National maps of watershed integrity and stream condition”, NA, August 01, 2016.

Fox, EricW, R. Hill, S. Leibowitz, Tony Olsen, AND M. Weber. Spatial prediction models for the probable biological condition of streams and rivers in the USA. International Statistical Ecology Meeting, Seattle, WA, June 28 - July 01, 2016.

Weber, M., R. Hill, S. Leibowitz, AND D. Thornbrugh. The Stream-Catchment (StreamCat) Dataset. AWRA Summer Specialty Conference: GIS and Water Resources IX, Sacramento, CA, July 11 - 13, 2016.

HILL, R., M. H. WEBER, E. FOX, S. G. LEIBOWITZ, AND D. THORNBRUGH. Using StreamCat and the NHDPlus framework to model and map the biological condition of USA streams and rivers. Presented at AWRA Summer Specialty Conference, GIS and Water Resources IX, Sacramento, CA, July 11 - 13, 2016.

Hill, R., EricW Fox, S. Leibowitz, Tony Olsen, M. Weber, AND D. Thornbrugh. Variable selection with random forest: Balancing stability, performance, and interpretation in ecological and environmental modeling. Annual Meeting of the Society for Freshwater Science, Sacramento, CA, May 21 - 26, 2016.

Leibowitz, S., M. Rains, I. Creed, D. Aldred, R. Hill, M. Weber, AND C. Jones. Wetland Hydrological Connectivity: A Classification Approach and Continental Assessment. 10th Intercol International Wetlands Conference, Changshu, CHINA, September 19 - 24, 2016.

2015

Bellmore, R., J. Compton, M. Weber, R. Hill, D. Thornbrugh, AND Reneej Brooks. Effects of Nitrogen Inputs and Watershed Characteristics on Summer Stream Nitrogen Concentrations: A National-Scale Analysis. American Geophysical Union, San Francisco, CA, December 13 - 18, 2015.

Hill, R., M. Weber, S. Leibowitz, AND Tony Olsen. Mapping the biological condition of USA rivers and streams. Society for Freshwater Science, Milwaukee, WI, May 17 - 21, 2015.

Olsen, Tony, Tom Kincaid, M. Weber, R. Hill, AND S. Leibowitz. National Aquatic Resource Surveys: Use of Geospatial data in their design and spatial prediction at non-monitored locations. JSM, Seattle, WA, August 08 - 13, 2015.

Hill, R., M. Weber, S. Leibowitz, Tony Olsen, AND D. Thornbrugh. The Stream-Catchment (StreamCat) Dataset: A database of watershed metrics for the conterminous USA. JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION. American Water Resources Association, Middleburg, VA, , 9, (2015).

Weber, M., R. Hill, S. Leibowitz, AND Tony Olsen. Towards national mapping of aquatic condition (I): The Stream-Catchment (StreamCat) Dataset. 9th International Association of Landscape Ecology World Congress, Portland, OR, July 05 - 10, 2015.

Hill, R., M. Weber, S. Leibowitz, AND Tony Olsen. Towards national mapping of aquatic condition (II): Predicting the probable biological condition of USA streams and rivers. 9th International Association of Landscape Ecology World Congress, Portland, OR, July 05 - 10, 2015.

Payton, Q., M. McManus, M. Weber, Tony Olsen, AND Tom Kincaid. micromap: A Package for Linked Micromaps. Journal of Statistical Software. American Statistical Association, Alexandria, VA, 63(2):16, (2015).

2014

Hill, R., M. Weber, S. Leibowitz, AND Tony Olsen. Developing a large-scale model to predict the effects of land use and climatic variation on the biological condition of USA streams and rivers. American Geophysical Union meeting, San Francisco, CA, December 15 - 19, 2014.

Symanzik, J., X. Dai, M. Weber, Q. Payton, AND M. McManus. Linked Micromap Plots for South America -- General Design Considerations and Specific Adjustments. Colombian Journal of Statistics. Universidad Nacional de Colombia, Bogata, Colombia, 37(2):451-469, (2014).

Brooks, J. Renee, J. Gibson, S. Birks, Marc H. Weber, Kent D. Rodecap, AND John L. Stoddard. Stable isotope estimates of evaporation: inflow and water residence time for lakes across the United States as a tool for national lake water quality assessments. LIMNOLOGY AND OCEANOGRAPHY. American Society of Limnology and Oceanography, Lawrence, KS, 59(6):2150-2165, (2014).