Search Results for the EPA National Library Catalog

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Showing: Items 851 - 900
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Select Item Title Year Published
Nebraska Conference on Sedimentation and Erosion Control 1973
Nested Grid Mesoscale Atmospheric Chemistry Model. 1991
Net Atmospheric Inputs of PCBs to the Ice Cover on Lake Huron. 1983
Neutron activation analysis of bottom sediments / 1973
Nigliq channel bridge : fluvial processes and channel morphology in the Colville River Delta, North Slope, Alaska / 2004
Nitrate and phosphorus runoff losses from small watersheds in Great Lakes Basin / 1978
Nitrogen : multiple and regional impacts / 2002
Nitrogen bounding study : methods for estimating the relative effects of sulfur and nitrogen deposition on surface water chemistry. 1995
Nitrogen deposition, critical loads and biodiversity : proceedings of the International Nitrogen Initiative Workshop, linking experts of the Convention on Long-range Transboundary Air Pollution and the Convention on Biological Diversity / 2014
Nitrogen loading in coastal water bodies : an atmospheric perspective / 2001
Nitrogen oxides and related compounds in north Europe : atmospheric processes, deposition, monitoring and trends 1986
Nitrogen Saturation in Northern Forest Ecosystems: Excess Nitrogen from Fossil Fuel Combustion May Stress the Biosphere. 1989
Non-Local Closure Model for Vertical Mixing in the Convective Boundary Layer. 1993
Nonlinearities in the Sulfate Secondary Fine Particulate Response to NOx Emissions Reductions as Modeled by the Regional Acid Deposition Model. 2001
Nonpoint sediment production in the Colusa Basin Drainage Area, California 1983
North American Acid Deposition Data Base System (ADS) and Its Use in Spatial Analysis. 1985
Notes on sedimentation activities. 0
Novel Vapor-Deposited Lubricants for Metal-Forming Processes. 1987
Numerical Models for Predicting Watershed Acidification. 1989
Nutrient and sediment production from forested watersheds / 1973
Nutrient and trace element uptake and spiraling in perennial and intermittent Texas streams / 1989
Nutrient exchange in water-sediment interface and its effects on water quality : project completion report / 1975
On the use of monitored air concentrations to infer dry deposition (1985) / 1985
One-Dimensional Hydrodynamic/Sediment Transport Model for Stream Networks. 2001
Onsite control of sedimentation utilizing the modified block-cut method of surface mining / 1977
Operations plan : second intensive for aircraft monitoring for diagnostic model evaluation / 1990
Origin of acoustically turbid sediments in Chesapeake Bay 1972
Origins, behavior, and sedimentology of Lahars and Lahar-runout flows in the Toutle-Cowlitz River System 1988
Our nation's air : status and trends through 2008. 2010
Our nation's air : status and trends through 2010. 2012
Overview of Atmospheric Inputs and Losses from Films. 1982
Oxidant air pollution in remote forest areas of southwestern Virginia : Oxidant effect on eastern white pine 1977
Oxidation of Nitrogen: Differences between Measurements and Predictions from the Regional Acid Deposition Model and whether Grid Size Can Explain Them. 1993
Oxygen uptake rates of benthal deposits on the Upper Passaic River 1969
Ozark-Ouachita highlands assessment : air quality / 1999
Pacific Northwest Nitrogen and Sulfur Deposition Critical Loads Workshop. Workshop Summary Report. 2006
PAL-DS model : the PAL model, including deposition and sedimentation : user's guide / 1982
Paleoecological analysis of lake acidification trends in North America and Europe using diatoms and chrysophytes 1989
Parameters for Estimating the Uptake of Transuranic Elements by Terrestrial Plants. 1976
Parametric methodologies of cloud vertical transport for acid deposition models / 1988
Parametric methodologies of cloud vertical transport for acid deposition models / 1988
Partitioning of the Sulfate Budget into Gas and Aqueous-Phase Components in the Regional Acid Deposition Model (RADM). 1991
Passive Sampling Device as a Simple Tool for Assessing Ecological Change: An Extended Monitoring Study in Ambient Air. 1992
Pathophysiological and disease constraints on aerosol delivery / 1989
Pb: In Search of the Facts. 1976
Pedologic features of reservoir sedimentation, 1971
PEM: Pollution Episodic Model. EPA/ORD (Environmental Protection Agency/Office of Research and Development) Air Quality Simulation Model. 1989
Photochemical Fate of Agrochemicals in Natural Waters. 1991
Physical and chemical characterization of atmospheric ultrafine particles in the Los Angeles area / 1998
Physical characteristics and sediment budget for bottom sediments in the Maryland portion of Chesapeake Bay 1983
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