ALLEN S. LEFOHN
Complete Publication Listing
Published Books
Lefohn, A.S. (ed.) 1992. Surface-level Ozone Exposures
and Their Effects on Vegetation. Published by Lewis Publishers,
Inc., Chelsea, MI. 366 pp.
Lefohn, A.S. and S.V. Krupa (eds.) 1991. Proceedings of
the A&WMA International Conference on the Scientific Evaluation
of NAPAP's Integrated Assessment Report on Acidic Precipitation.
Meeting held December 4-6, 1990. Published by Air & Waste
Management Association, Pittsburgh, PA. 412 pp.
Olson, R. and A.S. Lefohn (eds.) 1989. Transactions of
the Symposium on the Effects of Air Pollution on Western Forests.
Meeting held June 29-30, 1989, Anaheim, CA. Published by Air
& Waste Management Association, Pittsburgh, PA. 577 pp.
Lefohn, A.S. and S.V. Krupa (eds.) 1988. Proceedings of
the APCA International Conference on Acidic Precipitation: A
Technical Amplification of NAPAP's Findings. Meeting held January
26-28, 1988. Published by Air Pollution Control Association,
Pittsburgh, PA. 239 pp.
Technical Publications
Neufeld, H.S., Sullins, A., Sive,
B.C., Lefohn, A.S. 2019. Spatial and temporal patterns of ozone
at Great Smoky Mountains National Park and implications for plant
responses. Atmospheric Environment - X 2, 100023. DOI: https://doi.org/10.1016/j.aeaoa.2019.100023
Dai, L., Feng, Z., Pan, X., Xu, Y.,
Li, P., Lefohn, A.S., Harmons, H., Kobayashi, K. 2019. The detoxification
by apoplastic antioxidants is insufficient to remove the harmful
effects of elevated ozone in tobacco, soybean and poplar. Environ.
Pollut. 245: 380-388. DOI: https://doi.org/10.1016/j.envpol.2018.11.030
Lefohn, A.S., Malley, C.S., Smith,
L., Wells, B., Hazucha, M., Simon, H., Naik, V., Mills, G., Schultz,
M.G., Paoletti, E., De Marco, A., Xu, X., Zhang, L., Wang, T.,
Neufeld, H.S., Musselman, R.C., Tarasick, T., Brauer, M., Feng,
Z., Tang, T., Kobayashi, K., Sicard, P., Solberg, S., and Gerosa.
G. 2018. Tropospheric ozone assessment report: global ozone metrics
for climate change, human health, and crop/ecosystem research.
Elem Sci Anth. 2018;6(1):28. DOI: http://doi.org/10.1525/elementa.279.
Fleming,
Z.L., Doherty, R.M., von Schneidemesser, E., Malley, C.S., Cooper,
O.R., Pinto, J.P., Colette, A., Xu, X., Simpson, D., Schultz,
M.G., Lefohn, A.S., Hamad, S., Moolla, R., Solberg, S., Feng,
Z., 2018. Tropospheric Ozone Assessment Report: Present day ozone
distribution and trends relevant to human health. Elem Sci
Anth. 2018;6(1):12. DOI: http://doi.org/10.1525/elementa.273.
Lefohn, A.S., Malley, C.S., Simon,
H., Wells. B., Xu, X., Zhang, L., Wang, T., 2017. Responses of
human health and vegetation exposure metrics to changes in ozone
concentration distributions in the European Union, United States,
and China. Atmospheric Environment 152: 123-145. doi:10.1016/j.atmosenv.2016.12.025.
Lefohn, A.S., Cooper, O.R., 2015.
Introduction to the special issue on observations and source
attribution of ozone in rural regions of the western United States.
Atmospheric Environment, 109: 279-281.
Lefohn, A.S., Emery, C., Shadwick,
D., Wernli, H., Jung, J., Oltmans, S.J., 2014. Estimates of Background
Surface Ozone Concentrations in the United States Based on Model-Derived
Source Apportionment. Atmospheric Environment. http://dx.doi.org/10.1016/j.atmosenv.2013.11.033.
84:275-288.
Oltmans, S.J., Lefohn, A.S., Shadwick,
D., Harris, J.M., Scheel, H.-E., Galbally, I., Tarasick, D.A.,
Johnson, B.J., Brunke, E., Claude, H., Zeng, G., Nichol, S.,
Schmidlin, F., Redondas, A., Cuevas, E., Nakano, T., Kawasato,
T., 2013. Recent Tropospheric Ozone Changes - A Pattern Dominated
by Slow or No Growth. Atmospheric Environment. 67:331-351.
Lefohn, A.S., Wernli, H., Shadwick,
D., Oltmans, S.J., Shapiro, M., 2012. Quantifying the Importance
of Stratospheric-Tropospheric Transport on Surface Ozone Concentrations
at High- and Low-Elevation Monitoring Sites in the United States.
Atmospheric Environment. 62:646-656.
McDonald-Buller, E.C., Allen, D.T.,
Brown, N., Jacob, D.J., Jaffe, D., Kolb, C.E., Lefohn, A.S.,
Oltmans, S., Parrish, D.D., Yarwood, G., Zhang, L., 2011. Establishing
Policy Relevant Background (PRB) Ozone Concentrations in the
United States. Environmental Science & Technology. 45(22):9484-97.
Lefohn, A.S., Wernli, H., Shadwick,
D., Limbach, S., Oltmans, S.J., Shapiro, M. 2011. The Importance
of Stratospheric-Tropospheric Transport in Affecting Surface
Ozone Concentrations in the Western and Northern Tier of the
United States. Atmospheric Environment. 45:4845-4857.
Lefohn, A.S., Shadwick, D., Oltmans,
S.J. 2010. Characterizing Changes of Surface Ozone Levels in
Metropolitan and Rural Areas in the United States for 1980-2008
and 1994-2008. Atmospheric Environment. 44:5199-5210.
Lefohn, A.S., Hazucha, M.J., Shadwick,
D., Adams, W.C. 2010. An Alternative Form and Level of the Human
Health Ozone Standard. Inhalation Toxicology. 22:999-1011.
Oltmans, S.J., Lefohn, A.S., Harris,
J.M., Tarasick, DW., Thompson, AM., Wernli, H., Johnson, B.J.,
Novelli, P.C., Montzka, S.A., Ray, J.D., Patrick, L.C., Sweeney,
C., Jefferson, A., Dann, T., Davies, J., Shapiro, M., and Holben,
B.N. 2010. Enhanced ozone over western North America from biomass
burning in Eurasia during April 2008 as seen in surface and profile
observations. Atmospheric Environment. 44:4497-4509.
Heath R.L., Lefohn A.S., and Musselman R.C. 2009. Temporal
processes that contribute to nonlinearity in vegetation responses
to ozone exposure and dose. Atmospheric Environment. 43:2919-2928.
Lefohn A.S., Shadwick D., and Oltmans, S.J. 2008. Characterizing
long-term changes in surface ozone levels in the United States
(1980-2005). Atmospheric Environment. 42:8252-8262.
Oltmans S.J., Lefohn A.S., Harris J.M., and Shadwick D.
2008. Background ozone levels of air entering the west coast
of the U.S. and assessment of longer-term changes. Atmospheric
Environment. 42:6020-6038.
Hazucha M.J. and Lefohn A.S. 2007. Nonlinearity in human
health response to ozone: Experimental laboratory considerations.
Atmospheric Environment. 41:4559-4570.
Musselman R.C. and Lefohn A.S. 2007.
The use of critical levels for determining plant response to
ozone in Europe and in North America. Short Communication. Proceedings:
Impacts of Air Pollution and Climate Change on Forest Ecosystems.
TheScientificWorldJOURNAL 7(S1), 15–21. ISSN 1537-744X;
DOI 10.1100/tsw.2007.24. www.thescientificworld.com.
Oltmans S.J., Lefohn A.S., Harris
J.M., Galbally I., Scheel H.E., Bodeker G., Brunke E., Claude
H., Tarasick D., Johnson B.J., Simmonds P., Shadwick D., Anlauf
K., Hayden K., Schmidlin F., Fujimoto T., Akagi K., Meyer C.,
Nichol S., Davies J., Redondas A., and Cuevas E. 2006. Long-term
changes in tropospheric ozone. Atmospheric Environment. 40:3156-3173.
Musselman, R.C., A.S. Lefohn, W.J.
Massman, and R.L. Heath. 2006. A critical review and analysis
of the use of exposure- and flux-based ozone indices for predicting
vegetation effects. Atmospheric Environment. 40:1869-1888.
Cooper, O.R., A. Stohl, G. Hübler,
E.Y. Hsie, D.D. Parrish, A.F. Tuck, G.N. Kiladis, S.J. Oltmans,
B.J. Johnson, M. Shapiro, J.L. Moody, and A.S. Lefohn. 2005.
Direct transport of mid-latitude stratospheric ozone into the
lower troposphere and marine boundary layer of the tropical Pacific
Ocean. J. Geophys. Res., 110, D23310, doi:10.1029/2005JD005783.
Pinto, J.P., A.S. Lefohn, and D.S.
Shadwick. 2004. Spatial variability of PM2.5 in urban areas in
the United States. J. Air & Waste Management Association.
54:440-449.
Lefohn, A.S., S.J. Oltmans, T. Dann, and H.B. Singh. 2001.
Present-day variability of background ozone in the lower troposphere.
J. Geophys. Res., 106(D9):9945-9958.
Lefohn, A.S. and D.S. Shadwick. 2000. Differences in Trending
Estimates in the United States Using Several Ozone Metrics. Proceedings
of the 93rd Annual Meeting of the Air & Waste Management
Association, Salt Lake City, Utah. Air & Waste Management
Association, Pittsburgh, PA. Paper AS 1d-645.
Massman, W.J., R.C. Musselman, and A.S. Lefohn. 2000. A
Conceptual Ozone Dose-Response Model to Develop a Standard to
Protect Vegetation. Atmospheric Environment. 34(5):745-759.
Lefohn, A.S. 2000. Developing Realistic Air Pollution Exposure/Dose
Criteria for Ecological Risk Assessments. In: Integrated Assessment
of Ecosystem Health. K. Scow, G. Fogg, D. Hinton, M. Johnson
(eds.). Published by Lewis Publishers, CRC Press, Boca Raton,
FL. pp. 307-320.
Lefohn, A.S., J. D. Husar, and R. B. Husar. 1999. Estimating
Historical Anthropogenic Global Sulfur Emission Patterns for
the Period 1850-1990. Atmospheric Environment. 33(21):3435-3444.
Lefohn, A.S., D.S. Shadwick, and S.D. Ziman. 1999. The
Establishment of a New 8-Hour Average Ozone Standard in the United
States. Proceedings of the Atmospheric Sciences and Applications
to Air Quality 6th International Conference. State Environmental
Protection Administration. Beijing, China.
Lefohn, A.S., D.S. Shadwick, and S.D. Ziman. 1998. The
Difficult Challenge of Attaining EPA's New Ozone Standard. Environmental
Science and Technology. 32(11):276A-282A.
Oltmans, S.J., Lefohn, A.S., Scheel,
H.E., Harris, J.M., Levy, H. II, Galbally, I.E. , Brunke, E.G.,
Meyer, C.P., Lathrop, J.A., Johnson, B.J., Shadwick, D.S., Cuevas,
E., Schmidlin, F.J., Tarasick, D.W., Claude, H., Kerr, J.B.,
Uchino, O., Mohnen, and V. 1998. Trends of Ozone in the Troposphere.
Geophysical Research Letters. 25:139-142.
Lefohn, A.S. 1997. New Directions: A New Ozone Standard
in the United States. Atmospheric Environment. 31(22):3851-3852.
Lefohn, A.S. 1997. Science, Uncertainty, and EPA's New
Ozone Standards. Environmental Science and Technology. 31(6):280A-284A.
Lefohn, A.S., W. Jackson, D.S. Shadwick, and H.P. Knudsen.
1997. Effect of Surface Ozone Exposures on Vegetation Grown in
the Southern Appalachian Mountains: Identification of Possible
Areas of Concern. Atmospheric Environment. 31(11):1695-1708.
Altshuller, A.P. and A.S. Lefohn. 1996. Background Ozone
in the Planetary Boundary Layer Over the United States. J. Air
Waste Manag. Assoc. 46:134-141.
Musselman, R.C., P.M. McCool, and A.S. Lefohn. 1996. The
Form and Function of the Ozone Standard to Protect Vegetation.
In: Proceedings of Special Conference, Tropospheric Ozone: Critical
Issues in the Regulatory Process. Air & Waste Management
Association, Pittsburgh, PA., pp. 277-285.
Lefohn, A.S. and W.J. Manning. 1995. Ozone Exposures Near
Wilderness Areas in Northern New England. Atmospheric Environment.
29(5):601-606.
Musselman, R.C., P.M. McCool, and A.S. Lefohn. 1994. Ozone
Descriptors for an Air Quality Standard to Protect Vegetation.
J. Air Waste Manag. Assoc. 44 (12):1383-1390.
Lefohn, A.S., P.J. Edwards, and M.B. Adams. 1994. The Characterization
of Ozone Exposures in Rural West Virginia and Virginia. J. Air
Waste Manag. Assoc. 44 (11):1276-1283.
Lefohn, A.S. 1994. Selecting an Exposure Index to Protect
Vegetation. In: Critical Levels for Ozone-A UN-ECE Workshop Report
(J. Fuhrer and B. Achermann, Editors). Proceedings of the UN-ECE
Workshop on Critical Levels for Ozone, Bern, Switzerland, November
1-4, 1993. pp. 138-166. Published by the Swiss Federal Research
Station for Agricultural Chemistry and Environmental Hygiene
CH-3097 Liebefeld-Bern, Switzerland.
Pedersen, U. and A.S. Lefohn. 1994. Characterizing Surface
Ozone Concentrations in Norway. Atmospheric Environment. 28(1):89-102.
Lefohn, A.S., J.K. Foley, and B.E. Tilton. 1993. Changes
in Ozone Concentration Regimes as a Function of Change in Site
Attainment Status. In: Transactions of the Tropospheric Ozone,
Nonattainment and Design Value Issues Specialty Conference. Air
& Waste Management Association, Pittsburgh, PA., pp. 477-488.
Lefohn, A.S. 1993. Protecting Vegetation from Ozone Exposures:
The Form and Function of the Secondary Standard. In: Transactions
of the Tropospheric Ozone, Nonattainment and Design Value Issues
Specialty Conference. Air & Waste Management Association,
Pittsburgh, PA., pp. 49-52.
Lefohn, A.S., R.B. Flagler, J.E. Miller, B. Hale, and J.M.
Skelly. 1993. The Identification of Ambient Levels of Ozone that
Will Protect Vegetation. In: Transactions of the Tropospheric
Ozone, Nonattainment and Design Value Issues Specialty Conference.
Air & Waste Management Association, Pittsburgh, PA., pp.
493-509.
Lefohn, A.S., J.K. Foley, D.S. Shadwick, and B.E. Tilton.
1993. Changes in Diurnal Patterns Related to Changes in Ozone
Levels. J. Air Waste Manag. Assoc. 43:(11):1472-1478.
Lefohn, A.S. 1993. Realistic Concerns for Establishing
a Secondary Standard to Protect Vegetation. Proceedings of the
86th Annual Meeting of the Air & Waste Management Association,
Denver, Colorado. Air & Waste Management Association, Pittsburgh,
PA.
Lefohn, A.S. and J.K. Foley. 1993. Establishing Ozone Standards
to Protect Human Health and Vegetation: Exposure/Dose-Response
Considerations. J. Air Waste Manag. Assoc. 43(2):106-112.
Lefohn, A.S., L.R. McEvoy, Jr., D.T. Tingey, J.L. Sebaugh,
and W.E. Hogsett. 1993. Potential Bias from Non-continuous Monitoring
of Ambient Ozone Concentrations for Characterizing Hourly and
Daily 7- and 12-Hour Average Concentrations. Atmospheric Environment.
27A(2):145-152.
Lefohn, A.S. and J.K. Foley. 1992. NCLAN Results and Their
Application to the Standard-Setting Process: Protecting Vegetation
from Surface Ozone Exposures. J. Air Waste Manag. Assoc. 42(8):1046-1052.
Lefohn, A.S. 1992. Exposure Indices and the Standard-Setting
Process: Protecting Vegetation from Surface Ozone Exposures.
In: Proceedings of the 9th World Clean Air Congress and Exhibition,
Montreal, Canada. Air & Waste Management Association, Pittsburgh,
PA.
Lefohn, A.S., J.K. Foley, J. Spence, and D.S. Shadwick.
1992. Linking Surface-Level Ozone Exposures in the United States
with Potential Vegetation Effects. In: Transactions of the Tropospheric
Ozone and the Environment Specialty Conference II. (R.L. Berglund,
editor). Air & Waste Management Association, Pittsburgh,
PA, pp. 473-488.
Lefohn, A.S., H.P. Knudsen, D.S. Shadwick, and K.A. Hermann.
1992. Surface Ozone Exposures in the Eastern United States (1985-1989).
In: Transactions of the Response of Southern Commercial Forests
to Air Pollution Specialty Conference (R.B. Flagler, editor).
Air & Waste Management Association, Pittsburgh, PA. pp. 81-93.
Lefohn, A.S., D.S. Shadwick, U. Feister, and V.A. Mohnen.
1992. Surface-Level Ozone: Climate Change and Evidence for Trends.
J. Air Waste Manag. Assoc. 42(2):136-144.
Lefohn, A.S. 1992. The Characterization of Ambient Ozone
Exposures. Chapter 3, pp. 39-92. In: Surface-Level Ozone Exposures
and Their Effects on Vegetation. A.S. Lefohn (ed.). Published
by Lewis Publishers, Inc., Chelsea, MI.
Lefohn, A.S. 1992. Ozone Standards and Their Relevance
for Protecting Vegetation. Chapter 8, pp. 325-359. In: Surface-Level
Ozone Exposures and Their Effects on Vegetation. A.S. Lefohn
(ed.). Published by Lewis Publishers, Inc., Chelsea, MI.
Lefohn, A.S., D.S. Shadwick, M.C. Somerville, A.H. Chappelka,
B.G. Lockaby, and R.S. Meldahl. 1992. The Characterization and
Comparison of Ozone Exposure Indices Used in Assessing the Response
of Loblolly Pine to Ozone. Atmospheric Environment. 26A(2):287-298.
Smith, L.A. and A.S. Lefohn. 1991. Co-Occurrence of Ozone
and Wet Deposited Hydrogen Ion in the United States. Atmospheric
Environment. 25A:2707-2716.
Lefohn, A.S. and J.K. Foley. 1991. Estimated Surface-level
Ozone Exposures in Selected Class I Areas in the United States.
Proceedings of the 84th Annual Meeting of the Air & Waste
Management Association, Vancouver, British Columbia. Air &
Waste Management Association, Pittsburgh, PA.
Lefohn, A.S and A.A. Lucier. 1991. Spatial and Temporal
Variability of Ozone Exposure in Forested Areas of the United
States and Canada: 1978-1988. J. Air Waste Manage. Assoc. 41(5):694-701.
Lefohn, A.S., D.S. Shadwick, and J.K. Foley. 1991. The
Quantification of Surface Level Ozone Exposures Across the United
States, pp. 197-224. In: Transactions of the Tropospheric Ozone
and the Environment Specialty Conference. Air & Waste Management
Association, Pittsburgh, PA.
Lefohn, A.S. and D.S. Shadwick. 1991. Ozone, Sulfur Dioxide,
and Nitrogen Dioxide Trends at Rural Sites Located in the United
States. Atmospheric Environment. 25A(2):491-501.
Lefohn, A.S., D.S. Shadwick, and V.A. Mohnen. 1990. The
Characterization of Ozone Concentrations at a Select Set of High-Elevation
Sites in the Eastern United States. Environmental Pollution.
67:147-178.
Lefohn, A.S. and C.M. Benkovitz. 1990. Air Quality Measurements
and Characterizations for Vegetation Effects Research. Proceedings
of the 83rd Annual Meeting of the Air & Waste Management
Association, Pittsburgh, PA.
Krug, E.C. and A.S. Lefohn. 1990. The Importance of Natural
Processes in Understanding Ecosystem Change: A Case Study of
Limed Lakes. J. Air Waste Manag. Assoc. 40:846-854.
Lefohn, A.S., C.M. Benkovitz, R.L. Tanner, D.S. Shadwick,
and L.A. Smith. 1990. Air Quality Measurements and Characterization
for Terrestrial Effects Research. Report 7, In: NAPAP State of
Science and State of Technology. National Acid Precipitation
Assessment Program, Washington, DC. September, 1990.
Lefohn, A.S., S.V. Krupa, and D. Winstanley. 1990. Surface
Ozone Exposures Measured at Clean Locations Around the World.
Environmental Pollution. 63(3):189-224.
Legge, A.H., M. Nosal, E. Peake, M. Strosher, M. Hansen,
and A.S. Lefohn. 1990. Air Quality of an Area Proximal to Anthropogenic
Emissions, pp. 249-345. In: Acidic Deposition: Sulphur and Nitrogen
Oxides. A.H. Legge and S.V. Krupa (eds). Lewis Publishers, Inc.,
Chelsea, MI.
Mohnen, V.A. and A.S. Lefohn. 1989. Temporal Development
of the Pollution Load of Reactive Trace Gases in Forested Areas
in the United States. In: Proceedings of the International Congress
on Forest Decline Research: State of Knowledge and Perspectives.
Friedrichshafen, Lake Constance, Federal Republic of Germany.
October 2-6, 1989.
Winner, W.E., A.S. Lefohn, I.S. Cotter, C.S. Greitner,
J. Nellessen, L.R. McEvoy, Jr., R.L. Olson, C.J. Atkinson, and
L.D. Moore. 1989. Plant Responses to Elevational Gradients of
O3 Exposures in Virginia. Proc. Natl. Acad. Sci. USA 86:8828-8832.
Lefohn, A.S., V.C. Runeckles, S.V. Krupa, and D.S. Shadwick.
1989. Important Considerations for Establishing A Secondary Ozone
Standard to Protect Vegetation. JAPCA. 39(8):1039-1045.
Lefohn, A.S. and J.E. Pinkerton. 1988. High Resolution
Characterization of Ozone Data for Sites Located in Forested
Areas of the United States. JAPCA. 38(12):1504-1511.
Lefohn, A.S. and S.V. Krupa. 1988. Acidic Precipitation:
A Technical Amplification of NAPAP's Findings. JAPCA. 38(6):766-776.
Lefohn, A.S. and P.M. Irving. 1988. Characterizing Ambient
Ozone Exposure Regimes in Agricultural Areas. In: Proceedings
of the 81st Annual Meeting of the Air Pollution Control Association
in Dallas, TX, June 21-24, 1988. Pittsburgh, PA.
Marx, D.H., A.S. Lefohn, H.P. Knudsen, R.B. Husar, J. Paul,
J.K. Forbus, J. Jorgensen, C. Wells, K. Ludovici, R. Beltz, H.D.
Brown, R.L. Anderson, W. Clerke, R.J. Uhler, and C. Dull. 1988.
Southern Forest Atlas Project. In: Proceedings of the 81st Annual
Meeting of the Air Pollution Control Association in Dallas, TX,
June 21-24, 1988. Pittsburgh, PA.
Knudsen, H.P. and A.S. Lefohn. 1988. The Use of Spatial
Statistics to Characterize Regional Ozone Exposures, pp 91-105.
In: Assessment of Crop Loss from Air Pollutants. W.W. Heck, O.C.
Taylor, D.T. Tingey (eds). Elsevier Applied Science Publishing,
London, U.K.
Lefohn, A.S., H.P. Knudsen, and L.R. McEvoy, Jr. 1988.
The Use of Kriging to Estimate Monthly Ozone Exposure Parameters
for the Southeastern United States. Environmental Pollution.
53:27-42.
Lefohn, A.S. 1988. Reply to comments by M.R. Ashmore and
M.A.J. Parry and W. Day concerning the paper: A Comparison of
Indices that Describe the Relationship Between Exposure to Ozone
and Reduction in the Yield of Agricultural Crops. Atmospheric
Environment. 22(9):2057-2064.
Lefohn, A.S., J.A. Laurence, and R.J. Kohut. 1988. Reply
to comments by V.C. Runeckles concerning the paper: A Comparison
of Indices that Describe the Relationship Between Exposure to
Ozone and Reduction in the Yield of Agricultural Crops. Atmospheric
Environment. 22(6):1241-1243.
Lefohn, A.S., J.A. Laurence, and R.J. Kohut. 1988. A Comparison
of Indices that Describe the Relationship Between Exposure to
Ozone and Reduction in the Yield of Agricultural Crops. Atmospheric
Environment. 22(6):1229-1240.
Lefohn, A.S., C.E. Davis, C.K. Jones, D.T. Tingey, and
W.E. Hogsett. 1988. Reply to comments by Marie and Ormrod concerning
the paper: Co-Occurrence Patterns of Gaseous Air Pollutant Pairs
at Different Minimum Concentrations in the United States. Atmospheric
Environment. 22(6):1243.
Lefohn, A.S. and S.V. Krupa. 1988. The Relationship between
Hydrogen and Sulfate Ions in Precipitation - A Numerical Analysis
of Rain and Snowfall Chemistry. Environmental Pollution. 49:289-311.
Lefohn, A.S., C.E. Davis, C.K. Jones, D.T. Tingey, and
W.E. Hogsett. 1987. Co-Occurrence Patterns of Gaseous Air Pollutant
Pairs at Different Minimum Concentrations in the United States.
Atmospheric Environment. 21(11):2435-2444.
Lefohn, A.S. and L.R. McEvoy, Jr. 1987. The Possible Effects
of Acidic Deposition on Agricultural Crops. In: Proceedings of
the Fourth Annual Pittsburgh Coal Conference. Pittsburgh, PA.,
September 28-October 2, 1987.
Pinkerton, J.E. and A.S. Lefohn. 1987. The Characterization
of Ozone Data for Sites Located in Forested Areas of the Eastern
United States. JAPCA. 37(9):1005-1010.
Pinkerton, J.E. and A.S. Lefohn. 1987. An Examination of
Ozone Levels in Selected Forested Areas of the Eastern United
States. In: Proceedings of the North American Oxidant Symposium.
Quebec, February 25-27, 1987. Published by Quebec Ministry of
the Environment, Sainte-Foy, Quebec, Canada..
Lefohn, A.S., H.P. Knudsen, J.L. Logan, J. Simpson, and
C. Bhumralkar. 1987. An Evaluation of the Kriging Method To Predict
7-Hr Seasonal Mean Ozone Concentrations for Estimating Crop Losses.
JAPCA. 37(5):595-602.
Lefohn, A.S. and V.C. Runeckles. 1987. Establishing a Standard
to Protect Vegetation - Ozone Exposure/Dose Considerations. Atmospheric
Environment. 21(3):561-568.
Lefohn, A.S., W.E. Hogsett, and D.T. Tingey. 1987. The
Development of Sulfur Dioxide and Ozone Exposure Profiles that
Mimic Ambient Conditions in the Rural Southeastern United States.
Atmospheric Environment. 21(3):659-669.
Lefohn, A.S. and V.A. Mohnen. 1986. The Characterization
of Ozone, Sulfur Dioxide, and Nitrogen Dioxide For Selected Monitoring
Sites in the Federal Republic of Germany. JAPCA. 36(12):1329-1337.
Lefohn, A.S. and C.K. Jones. 1986. The Characterization
of Ozone and Sulfur Dioxide Air Quality Data for Assessing Possible
Vegetation Effects. JAPCA. 36(10):1123-1129.
Lefohn, A.S. and C.K. Jones. 1986. The Characterization
of Air Quality Data for Biological Assessment Purposes. In: Proceedings
of the 79th Annual Meeting of the Air Pollution Control Association
in Minneapolis, MN, June 22-27, 1986. Pittsburgh, PA.
Lefohn, A.S., W.E. Hogsett, and D.T. Tingey. 1986. A Method
for Developing Ozone Exposures that Mimic Ambient Conditions
in Agricultural Areas. Atmospheric Environment. 20(2):361-366.
Pinkerton, J.E. and A.S. Lefohn. 1986. Characterization
of Ambient Ozone Concentrations in Commercial Timberlands Using
Available Monitoring Data. Tappi Journal. 69(4):58-62.
Lefohn, A.S. and H.M. Benedict. 1985. Exposure Considerations
Associated with Characterizing Ozone Ambient Air Quality Monitoring
Data. In: Evaluation of the Scientific Basis for Ozone/Oxidants
Standards. Air Pollution Control Association. Pittsburgh, PA.
pp. 17-31.
Lefohn, A.S. and G.O. Klock. 1985. Possible Importance
of Forest Soil Processes in Defining Surface Water pH Depressions.
JAPCA. 35:632-637.
Lefohn, A.S. and D.T. Tingey. 1985. Comments on Atmospheric
Environment Paper: Injury Response of Phaseolus Vulgaris to Ozone
Flux Density. Atmospheric Environment. 19(1):206-208.
Lefohn, A.S. and D.T. Tingey. 1984. The Co-Occurrence of
Potentially Phytotoxic Concentrations of Various Gaseous Air
Pollutants. Atmospheric Environment. 18(11):2521-2526.
Lefohn, A.S. and R.W. Brocksen. 1984. Acid Rain Effects
Research - A Status Report. JAPCA. 34(10):1005-1013.
Lefohn, A.S. 1984. A Comparison of Ambient Ozone Exposures
for Selected Nonurban Sites. In: Proceedings of the 77th Annual
Meeting of the Air Pollution Control Association in San Francisco,
California, June 24-29, 1984. Air Pollution Control Association.
Pittsburgh, PA.
Lefohn, A.S. and R.W. Brocksen. 1984. Acid Rain Effects
Research--A Status Report. In: Proceedings of the 77th Annual
Meeting of the Air Pollution Control Association in San Francisco,
California, June 24-29, 1984. Air Pollution Control Association.
Pittsburgh, PA.
Lefohn, A.S. and D.T. Tingey. 1984. The Co-Occurrence of
Potentially Phytotoxic Concentrations of Various Gaseous Air
Pollutants. In: Proceedings of the 77th Annual Meeting of the
Air Pollution Control Association in San Francisco, California,
June 24-29, 1984. Air Pollution Control Association. Pittsburgh,
PA.
Lefohn, A.S. 1983. The Availability and Analysis of Ozone
Air Quality Data. In: Proceedings of the Symposium on Air Pollution
and the Productivity of the Forest. Izaak Walton League of America.
Lefohn, A.S. and H.M. Benedict. 1983. The Potential for
the Interaction of Acidic Precipitation and Ozone Pollutant Doses
Affecting Agricultural Crops. In: Proceedings of the 76th Annual
Meeting of the Air Pollution Control Association, Atlanta, GA.
Air Pollution Control Association. Pittsburgh, PA.
Lefohn, A.S. and R.W. Brocksen. 1983. A Status Report:
What is Currently Known About the Effects of Acid Rain on the
Environment. Presented at the Forty-Third Annual Meeting of the
Montana Academy of Sciences, Bozeman, Montana, April 8-9, 1983.
Brocksen, R.W. and A.S. Lefohn. 1983. Lake Acidification:
Sources of Surface Water Acidification--Anthropogenic and Natural.
In: Proceedings of the AIAA 21st Aerospace Sciences Meeting,
Reno, NV, January 10-13, 1983.
Lefohn, A.S. 1983. Dose Response Considerations Associated
with Acid Precipitation Effects on Vegetation. Published in the
Proceedings of the Second National Symposium on Acid Rain, Greater
Pittsburgh Chamber of Commerce, Pittsburgh, PA, October 6-7,
1982.
Lefohn, A.S. and H.M. Benedict. 1982. Development of a
Mathematical Index that Describes Ozone Concentration, Frequency,
and Duration. Atmospheric Environment. 16(10):2529-2532.
Lefohn, A.S. 1982. Acid Rain - Uncertainties in the Data
Base and Its Application. In: Proceedings of the 63rd Annual
Meeting Pacific Division, American Association for the Advancement
of Science.
Lefohn, A.S. 1980. An Alternative Use of the Environmental
Impact Statement, EIS: Digest of Environmental Impact Statements.
Vol. 4, No. 5, May 1980. Abstract Nos. 80-0348-80-0426.
Lefohn, A.S. 1979. The Transfer of Energy Information Beyond
Washington, ASIS Bulletin. Vol. 6, No. 2, December, 1979.
Lefohn, A.S. and K. Collins. 1979. New Trends in Energy
Information Transfer. In: Proceedings of the 1979 National Conference
on Technology for Energy Conservation, pp. 483-486.
Lefohn, A.S. 1979. Networking - A Way of Marketing Information,
In: Proceedings of the State Energy Audit Impact '79 Conference,
Dallas, Texas.
Lefohn, A.S. 1978. An Approach Toward Transferring Energy
Information. In: Proceedings of the 1978 National Conference
on Technology for Energy Conservation, pp. 726-728.
Lefohn, A.S. 1978. An Experiment in Cooperation. In: Proceedings
of the 1978 Fall Meeting of the Federal Laboratory Consortium,
Naval Weapons Center, China Lake, California.
Lefohn, A.S. 1978. Western Information Network on Energy,
Solar Greenhouse Digest, Vol.1, No. 2, pp. 20-21.
Lewis, R.A., A.S. Lefohn, and N.R. Glass. 1975. An Investigation
of the Bioenvironmental Effects of a Coal-Fired Power Plant.
In: Proceedings of the Fort Union Coal Field Symposium. 5:531-536.
Lefohn, A.S., R.A. Lewis, and N.R. Glass. 1974. An Approach
to the Investigation of the Bioenvironmental Impact of Air Pollution
from Fossil Fuel Power Plants. Air Pollution Control Association.
Preprint. 77-206, pp.1-22.
Hanst, P.L., A.S. Lefohn, and B.W. Gay, Jr. 1973. Detection
of Atmospheric Pollutants at Parts-per-Billion Levels by Infrared
Spectroscopy. Applied Spectroscopy. 27:188-198.
Lefohn, A.S., P.L. Hanst, and R.K. Patterson. 1972. Application
of Fourier Spectroscopy for Air Pollution Measurements. Proceedings
of Annual Pittsburgh Conference.
Lefohn, A.S. and W.T. Sayers. 1972. Remote Sensors and
Their Application to Oceanographic Monitoring. Proceedings of
the Means of Acquisition and Communication of Ocean Data.
Lefohn, A.S. and G.C. Pimentel. 1971. Infrared Spectrum
of Gaseous CF by Rapid Scan Spectroscopy. The Journal of Chemical
Physics. 20:1213-1217.
I-San, Lin R., C.S. Garner, and A.S. Lefohn. 1967. The
Chemical Effects of Neutron Capture in CIS- and TRANS-Dichloro-bis
(ethylene-diamine) Chromium (III) Nitrate. J. Inorganic Chem.
29:1553-1557.
McCullough, J.D. and A.S. Lefohn. 1966. Improved Methods
for the Synthesis of the Cyclis Selinides, Selenacyclopentane.
Inorganic Chemistry. 5:150.
Miscellaneous Publications
Lefohn, A.S. 1984. Lost in the Wilderness. QST. January
1984.
Lefohn, A.S., W. Standing, and P. Bondurant. 1979. The
Solar Eclipse Net. QST. LXIII - 7, pp. 12-14.
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