Lefohn, Allen S : rechercher sur Z-Library

Allen S. Lefohn, Harris M. Benedict

Année:

1999

Langue:

english

Fichier:

PDF, 334 KB

english, 1999

Development of a mathematical index that describes ozone concentration, frequency and duration

Journal:

Allen S. lefohn, David T. Tingey

Année:

1967

Langue:

english

Fichier:

PDF, 239 KB

english, 1967

The co-occurrence of potentially phytotoxic concentrations of various gaseous air pollutants

Journal:

Allen S. Lefohn, David T Tingey

Année:

1967

Langue:

english

Fichier:

PDF, 700 KB

english, 1967

Injury response of Phaseolus Vulgaris to ozone flux density

Journal:

Allen S. Lefohn, W.E. Hogsett, David T. Tingey

Année:

1967

Langue:

english

Fichier:

PDF, 307 KB

english, 1967

A method for developing ozone exposures that mimic ambient conditions in agricultural areas

Journal:

Allen S. Lefohn, V.C. Runeckles

Année:

1967

Langue:

english

Fichier:

PDF, 590 KB

english, 1967

Establishing standards to protect vegetation—ozone exposure/dose considerations

Journal:

Allen S. Lefohn, W.E. Hogsett, D.T. Tingey

Année:

1967

Langue:

english

Fichier:

PDF, 1.10 MB

english, 1967

The development of sulfur dioxide and ozone exposure profiles that mimic ambient conditions in the rural southeastern united states

Journal:

Allen S. Lefohn, Carla E. Davis, Cindy K. Jones, David T. Tingey, William E. Hogsett

Année:

1967

Langue:

english

Fichier:

PDF, 1.01 MB

english, 1967

Co-occurrence patterns of gaseous air pollutant pairs at different minimum concentrations in the United States

Journal:

Allen S. Lefohn, John A. Laurence, Robert J. Kohut

Année:

1967

Langue:

english

Fichier:

PDF, 1.04 MB

english, 1967

Authors' reply

Journal:

Allen S. Lefohn, John A. Laurence, Robert J. Kohut

Année:

1967

Langue:

english

Fichier:

PDF, 305 KB

english, 1967

A comparison of indices that describe the relationship between exposure to ozone and reduction in the yield of agricultural crops

Journal:

Robert C. Musselman, Allen S. Lefohn, William J. Massman, Robert L. Heath

Année:

1967

Langue:

english

Fichier:

PDF, 1.24 MB

english, 1967

A critical review and analysis of the use of exposure- and flux-based ozone indices for predicting vegetation effects

Journal:

Milan J. Hazucha, Allen S. Lefohn

Année:

2006

Langue:

english

Fichier:

PDF, 482 KB

english, 2006

Nonlinearity in human health response to ozone: Experimental laboratory considerations

Journal:

Samuel J. Oltmans, Allen S. Lefohn, Joyce M. Harris, Douglas S. Shadwick

Année:

2007

Langue:

english

Fichier:

PDF, 249 KB

english, 2007

Background ozone levels of air entering the west coast of the US and assessment of longer-term changes

Journal:

Allen S. Lefohn, Douglas Shadwick, Samuel J. Oltmans

Année:

2008

Langue:

english

Fichier:

PDF, 4.77 MB

english, 2008

Characterizing long-term changes in surface ozone levels in the United States (1980–2005)

Journal:

Robert L. Heath, Allen S. Lefohn, Robert C. Musselman

Année:

2008

Langue:

english

Fichier:

PDF, 781 KB

english, 2008

Temporal processes that contribute to nonlinearity in vegetation responses to ozone exposure and dose

Journal:

Allen S. Lefohn, Douglas Shadwick, Samuel J. Oltmans

Année:

2009

Langue:

english

Fichier:

PDF, 376 KB

english, 2009

Characterizing changes in surface ozone levels in metropolitan and rural areas in the United States for 1980–2008 and 1994–2008

Journal:

Allen S. Lefohn, Heini Wernli, Douglas Shadwick, Sebastian Limbach, Samuel J. Oltmans, Melvyn Shapiro

Année:

2010

Langue:

english

Fichier:

PDF, 1.32 MB

english, 2010

The importance of stratospheric–tropospheric transport in affecting surface ozone concentrations in the western and northern tier of the United States

Journal:

Allen S. Lefohn, William Jackson, Douglas S. Shadwick, H.Peter Knudsen

Année:

2011

Langue:

english

Fichier:

PDF, 1.69 MB

english, 2011

Effect of surface ozone exposures on vegetation grown in the Southern Appalachian Mountains: Identification of possible areas of concern

Journal:

Année:

1997

Langue:

english

Fichier:

PDF, 7.73 MB

english, 1997

New directions

Allen S. Lefohn

Journal:

William J. Massman, Robert C. Musselman, Allen S. Lefohn

Année:

1997

Langue:

english

Fichier:

PDF, 146 KB

english, 1997

A conceptual ozone dose-response model to develop a standard to protect vegetation

Journal:

Hanst, Philip L., Lefohn, Allen S., Gay, Bruce W.

Année:

2000

Langue:

english

Fichier:

PDF, 204 KB

english, 2000

Detection of Atmospheric Pollutants at Parts-per-Billion Levels by Infrared Spectroscopy

Journal:

Applied Spectroscopy

Année:

1973

Langue:

english

Fichier:

PDF, 1.10 MB

english, 1973

Ozone exposures near class I Wilderness areas in New Hampshire and Vermont

Allen S. Lefohn, William J. Manning

Journal:

Allen S. Lefohn, Heini Wernli, Douglas Shadwick, Samuel J. Oltmans, Melvyn Shapiro

Année:

1995

Langue:

english

Fichier:

PDF, 415 KB

english, 1995

Quantifying the importance of stratospheric-tropospheric transport on surface ozone concentrations at high- and low-elevation monitoring sites in the United States

Journal:

Lefohn, Allen S., Oltmans, Samuel J., Dann, Tom, Singh, Hanwant B.

Année:

2012

Langue:

english

Fichier:

PDF, 983 KB

english, 2012

Present-day variability of background ozone in the lower troposphere

Journal:

Journal of Geophysical Research

Année:

2001

Langue:

english

Fichier:

PDF, 1.24 MB

english, 2001

The chemical effects of neutron capture in cis- and trans-dichlorobis(ethylenediamine)-chromium(III) nitrate

Robert I-San Lin, Allen S. Lefohn, Clifford S. Garner

Journal:

Journal of Inorganic and Nuclear Chemistry

Année:

1967

Langue:

english

Fichier:

PDF, 397 KB

english, 1967

Surface ozone exposures measured at clean locations around the world

Allen S. Lefohn, Sagar V. Krupa, Derek Winstanley

Journal:

Allen S. Lefohn, Douglas S. Shadwick, Volker A. Mohnen

Année:

1990

Langue:

english

Fichier:

PDF, 1.75 MB

english, 1990

The characterization of ozone concentrations at a select set of high-elevation sites in the eastern United States

Journal:

Lefohn, Allen S., Krupa, Sagar V.

Année:

1990

Langue:

english

Fichier:

PDF, 1.29 MB

english, 1990

The relationship between hydrogen and sulphate ions in precipitation—A numerical analysis of rain and snowfall chemistry

Journal:

Lefohn, Allen S., Krupa, Sagar V.

Année:

1988

Langue:

english

Fichier:

PDF, 1006 KB

english, 1988

DIFFICULTIES OF MEDICAL MEN IN THE HIGHLANDS.

Journal:

The Lancet

Année:

1888

Langue:

english

Fichier:

PDF, 188 KB

english, 1888

Author/Subject index

Lefohn, Allen S.

Journal:

Seminars in Nephrology

Année:

2005

Langue:

english

Fichier:

PDF, 84 KB

english, 2005

Introduction: The special issue of Atmospheric environment on surface ozone

Lefohn, Allen S.

Journal:

Lefohn, Allen S., Shadwick, Douglas S.

Année:

1994

Langue:

english

Fichier:

PDF, 184 KB

english, 1994

Ozone, sulfur dioxide, and nitrogen dioxide trends at rural sites located in the united states

Journal:

Pedersen, Ulf, Lefohn, Allen S.

Année:

1991

Langue:

english

Fichier:

PDF, 822 KB

english, 1991

Characterizing surface ozone concentrations in Norway

Journal:

Lefohn, Allen S., Knudsen, H.Peter, McEvoy, Lawrence R.

Année:

1994

Langue:

english

Fichier:

PDF, 850 KB

english, 1994

The use of kriging to estimate monthly ozone exposure parameters for the Southeastern United States

Journal:

Lefohn, Allen S, Shadwick, Douglas S, Somerville, Matthew C, Chappelka, Arthur H, Lockaby, B.Graeme, Meldahl, Ralph S

Année:

1988

Langue:

english

Fichier:

PDF, 747 KB

english, 1988

The characterization and comparison of ozone exposure indices used in assessing the response of loblolly pine to ozone

Journal:

Lefohn, Allen S, McEvoy, Lawrence R, Tingey, David T, Sebaugh, Jeanne L, Hogsett, William E

Année:

1992

Langue:

english

Fichier:

PDF, 986 KB

english, 1992

Potential bias from non-continuous monitoring of ambient ozone concentrations for characterizing hourly and daily 7- and 12-hour average concentrations

Journal:

Smith, Luther A, Lefohn, Allen S

Année:

1993

Langue:

english

Fichier:

PDF, 551 KB

english, 1993

Co-occurrence of ozone and wet deposited hydrogen ion in the United States

Journal:

William E. Winner, Allen S. Lefohn, Irene S. Cotter, Carol S. Greitner, James Nellessen, Lawrence R. McEvoy, Richard L. Olson, Christopher J. Atkinson and Laurence D. Moore

Année:

1991

Langue:

english

Fichier:

PDF, 728 KB

english, 1991

Plant Responses to Elevational Gradients of O3Exposures in Virginia

Journal:

Proceedings of the National Academy of Sciences

Année:

1989

Langue:

english

Fichier:

PDF, 1.01 MB

english, 1989

Estimates of background surface ozone concentrations in the United States based on model-derived source apportionment

Lefohn, Allen S., Emery, Christopher, Shadwick, Douglas, Wernli, Heini, Jung, Jeagun, Oltmans, Samuel J.

Journal: