Potential Impact of Ozone on Coniferous Forests of the Interior Southwestern United States

References

• Adams , D. K. and Comrie , A. C. 1997 . The North American monsoon . Bulletin of the American Meteorological Society , 78 : 2197 – 213 .
   Web of Science ®Google Scholar
• Appenzeller , C. , Holton , J. R. and Rosenlof , K. H. 1996 . Seasonal variation of mass transport across the tropopause . Journal of Geophysical Research , 101 : 15071 – 78 .
   Web of Science ®Google Scholar
• Baisan , C. H. and Swetnam , T. W. 1990 . Fire history on a desert mountain range: Rincon Mountain Wilderness, Arizona, U.S.A . Canadian Journal of Forest Research , 20 : 1559 – 69 .
   Web of Science ®Google Scholar
• Bauer , M. R. , Hultman , N. E. , Panek , J. A. and Goldstein , A. H. 2000 . Ozone deposition to a ponderosa pine plantation in the Sierra Nevada Mountains (CA): A comparison of two different climatic years . Journal of Geophysical Research , 105 : 22123 – 36 .
   Web of Science ®Google Scholar
• Binkley , D. , Droessler , T. D. and Miller , J. 1992 . “ Pollution impacts at the stand and ecosystem levels ” . In The response of western forests to air pollution , Edited by: Olson , R. K. , Binkley , D. and Böhm , M. 235 – 57 . New York : Springer-Verlag .
   Google Scholar
• Blake , J. and Ferrell , W. K. 1976 . The association between soil and xylem water potential, leaf resistance, and abscisic acid content in droughted seedlings of Douglas-fir (Pseudotsuga menziessi) . Physiologia Plantarum , 39 : 106 – 9 .
   Web of Science ®Google Scholar
• Böhm , M. , McCane , B. and Vendetta , T. 1995 . Ozone regimes in or near forests of the western United States. Part 1: Regional patterns . Journal of the Air and Waste Management Association , 45 : 235 – 46 .
   PubMedGoogle Scholar
• Brown , D. E. 1998 . Biotic communities of the Southwest , Salt Lake City : University of Utah Press .
   Google Scholar
• Bunyak , J. 1993 . Permit application guidance for new air pollution sources , Denver, CO : National Park Service . NPS/NRAQD/NPR-93/09
   Google Scholar
• Bytnerowicz , A. 1996 . Physiological aspects of air pollution stress in forests . Phyton , 36 : 15 – 22 .
   Web of Science ®Google Scholar
• Bytnerowicz , A. and Grulke , N. E. 1992 . “ Physiological effects of air pollutants on western forests ” . In The response of western forests to air pollution , Edited by: Olson , R. E. , Binkley , D. and Böhm , M. 183 – 34 . New York : Springer-Verlag .
   Google Scholar
• Chameides , W. L. , Fehsenfeld , F. , Rodgers , M. O. , Cardelino , C. , Martinez , J. , Parrish , D. , Lonneman , W. , Lawson , D. R. , Rasmussen , R. A. , Zimmerman , P. , Greenberg , J. , Middleton , P. and Wang , T. 1992 . Ozone precursor relationships in the ambient atmosphere . Journal of Geophysical Research , 97 : 6037 – 55 .
   Web of Science ®Google Scholar
• Ching , J. K. S. , Shipley , S. T. and Browell , F. U. 1988 . Evidence for cloud venting of mixed layer ozone and aerosols . Atmospheric Environment , 22 : 225 – 42 .
   Web of Science ®Google Scholar
• Comrie , A. C. 1990 . The climatology of surface ozone in rural areas: A conceptual model . Progress in Physical Geography , 14 : 295 – 316 .
   Web of Science ®Google Scholar
• Comrie , A. C. 1994 . Tracking ozone: Air-mass trajectories and pollutant source regions influencing ozone in Pennsylvania forests . Annals of the Association of American Geographers , 84 : 635 – 51 .
   Web of Science ®Google Scholar
• Comrie , A. C. 1996 . An all-season synoptic climatology of air pollution in the U.S.-Mexico border region . The Professional Geographer , 48 : 237 – 51 .
   Web of Science ®Google Scholar
• Comrie , A. C. and Glenn , E. C. 1998 . Principal components-based regionalization of precipitation regimes across the southwest United States and northern Mexico, with an application to monsoon precipitation variability . Climate Research , 10 : 201 – 15 .
   Web of Science ®Google Scholar
• Cooper , C. F. 1960 . Changes in vegetation, structure, and growth of southwestern pine forests since white settlement . Ecological Monographs , 30 : 129 – 64 .
   Web of Science ®Google Scholar
• Covington , W. W. and Moore , M. M. 1994 . Southwestern ponderosa pine forest structure: Changes since Euro-American settlement . Journal of Forestry , 92 : 39 – 47 .
   Web of Science ®Google Scholar
• Cowling , E. B. 1989 . Recent changes in chemical climate and related effects on forests in North America and Europe . Ambio , 18 : 167 – 71 .
   Web of Science ®Google Scholar
• Coyne , P. I. and Bingham , G. E. 1982 . Variation in photo-synthesis and stomatal conductance in an ozone-stressed ponderosa pine stand: Light response . Forest Science , 28 : 257 – 73 .
   Web of Science ®Google Scholar
• Davis , R. E. and Gay , D. A. 1993a . An assessment of air quality variations in the southwestern USA using an upper air synoptic climatology . International Journal of Climatology , 13 : 755 – 81 .
   Web of Science ®Google Scholar
• Davis , R. E. and Gay , D. A. 1993b . A synoptic climatological analysis of air quality in the Grand Canyon National Park . Atmospheric Environment , 27A : 713 – 27 .
   Web of Science ®Google Scholar
• Davis , R. E. and Walker , D. R. 1992 . An upper-air synoptic climatology of the western United States . Journal of Climate , 5 : 1449 – 67 .
   Web of Science ®Google Scholar
• de Buys , W. 1985 . Enchantment and exploitation: The life and hard times of a New Mexico mountain range , Albuquerque : University of New Mexico Press .
   Google Scholar
• Diem , J. E. 2002 . Remote assessment of forest health in southern Arizona, USA: Evidence for ozone-induced foliar injury . Environmental Management , 29 : 373 – 83 . 11830767
   PubMed Web of Science ®Google Scholar
• Diem , J. E. and Comrie , A. C. 2000 . Integrating remote sensing and local vegetation information for a high-resolution biogenic emissions inventory—Application to an urbanized, semi-arid region . Journal of the Air and Waste Management Association , 50 : 1968 – 79 . 11111341
   PubMedGoogle Scholar
• Diem , J. E. and Comrie , A. C. 2001 . Air quality, climate, and policy: A case study of ozone pollution in Tucson, Arizona . The Professional Geographer , 53 : 469 – 91 .
   Web of Science ®Google Scholar
• Diem , J. E. and Comrie , A. C. 2002 . Allocating anthropogenic pollutant emissions over space: Application to ozone pollution management . Journal of Environmental Management , 63 : 425 – 47 .
   Web of Science ®Google Scholar
• Duriscoe , D. 1990 . Cruise survey of oxidant air pollution injury to Pinus ponderosa and Pinus jeffreyi in Saguaro National Monument, Yosemite National Park, and Sequoia and Kings Canyon National Parks , Denver, CO : National Park Service . NPS/AQD-90/003
   Google Scholar
• Duriscoe , D. and Selph , M. 1985 . Geographic extent and severity of air pollution injury in Saguaro National Monument (Rincon Unit) , Research Triangle Park, NC : Northrop Environmental Services Inc .
   Google Scholar
• Ellis , A. W. , Hildebrandt , M. L. and Fernando , H. J. S. 1999 . Evidence of lower-atmospheric ozone “sloshing” in an urbanized valley . Physical Geography , 20 : 520 – 36 .
   Web of Science ®Google Scholar
• Ellis , A. W. , Hildebrandt , M. L. , Thomas , W. M. and Fernando , H. J. S. 2000 . Analysis of the climatic mechanism contributing to the summertime transport of lower atmospheric ozone across metropolitan Phoenix, Arizona, U.S.A . Climate Research , 15 : 13 – 31 .
   Web of Science ®Google Scholar
• Epperson , B. K. , Telewski , F. W. , Plovanich-Jones , A. E. and Grimes , J. E. 2001 . Clinal differentiation and putative hybridization in a contact zone of Pinus ponderosa and Pinus arizonica (Pinaceae) . American Journal of Botany , 88 : 1052 – 57 . 11410469
   PubMed Web of Science ®Google Scholar
• Esterbauer , H. , Grill , D. and Welt , R. 1980 . The annual rhythm of ascorbic acid system in needles of Picea abies . Zeitschrift für Pflanzenphysiologie , 98 : 393 – 402 .
   Web of Science ®Google Scholar
• Fehsenfeld , F. C. , Bollinger , M. J. , Liu , S. C. , Parrish , D. D. , McFarland , M. , Trainer , M. , Kley , D. , Murphy , P. C. , Albritton , D. L. and Lenschow , D. H. 1983 . A study of ozone in the Colorado mountains (Niwot Ridge) . Journal of Atmospheric Chemistry , 1 : 87 – 105 .
   Web of Science ®Google Scholar
• Ferretti , M. 1997 . Forest health assessment and monitoring—Issues for consideration . Environmental Monitoring and Assessment , 48 : 45 – 72 .
   Web of Science ®Google Scholar
• Gaffney , J. S. , Marley , N. A. , Drayton , P. J. , Doskey , P. V. , Rao Kotamarthi , V. , Cunningham , M. M. , Baird , J. C. , Dintaman , J. and Hart , H. L. 2002 . Field observations of regional and urban impacts on NO2, ozone, UVB, and nitrate radical production rates in the Phoenix air basin . Atmospheric Environment , 36 : 825 – 33 .
   Web of Science ®Google Scholar
• Gettelman , A. and Sobel , A. H. 2000 . Direct diagnoses of stratosphere-troposphere exchange . Journal of the Atmospheric Sciences , 57 : 3 – 16 .
   Web of Science ®Google Scholar
• Goudy , W. 2001 . Population counts for Iowa and other states: 1900–2000 censuses , Ames, IA : Census Services .
   Google Scholar
• Grulke N. E 1998. Role of early, late, and whole season ozone exposure in photosynthetic decline of ponderosa pine. In Proceedings of the 91st annual meeting of the Air and Waste Management Association, 98-TA37. Pittsburgh, PA: Air and Waste Management Association.
   Google Scholar
• Grulke , N. E. , Andersen , C. P. , Fenn , M. E. and Miller , P. R. 1998 . Ozone exposure and nitrogen deposition lowers root biomass of ponderosa pine in the San Ber-nardino Mountains, California . Environmental Pollution , 103 : 63 – 73 .
   Web of Science ®Google Scholar
• Grulke , N. E. and Baldumann , L. 1999 . Deciduous conifers: High N deposition and O3 exposure effects on growth and biomass allocation in ponderosa pine . Water, Air, and Soil Pollution , 116 : 235 – 48 .
   Web of Science ®Google Scholar
• Grulke , N. E. and Lee , E. H. 1997 . Assessing visible ozone-induced foliar injury in ponderosa pine . Canadian Journal of Forest Resources , 27 : 1658 – 68 .
   Google Scholar
• Guenther , A. , Zimmerman , P. , Harley , P. , Monson , R. and Fall , R. 1993 . Isoprene and monoterpene emission rate variability: Model evaluation and sensitivity analysis . Journal of Geophysical Research , 98D : 12609 – 17 .
   Web of Science ®Google Scholar
• Habeck , J. R. 1990 . Old-growth ponderosa pine-western larch forests in western Montana: Ecology and management . Northwest Environmental Journal , 6 : 271 – 92 .
   Google Scholar
• Holzworth , G. C. 1962 . A study of air pollution potential for the western United States . Journal of Applied Meteorology , 1 : 366 – 82 .
   Google Scholar
• Idso , C. D. , Idso , S. B. and Balling , R. C. 1998 . The urban CO2 dome of Phoenix, Arizona . Physical Geography , 19 : 95 – 108 .
   Web of Science ®Google Scholar
• Idso , C. D. , Idso , S. B. and Balling , R. C. 2001 . An intensive two-week study of an urban CO2 dome in Phoenix, Arizona, USA . Atmospheric Environment , 35 : 995 – 1000 .
   Web of Science ®Google Scholar
• Innes , J. L. 1992 . Forest decline . Progress in Physical Geography , 16 : 1 – 64 .
   Web of Science ®Google Scholar
• Kelly , N. A. , Wolff , G. T. and Ferman , M. A. 1984 . Sources and sinks of ozone in rural areas . Atmospheric Environment , 18 : 1251 – 66 .
   Web of Science ®Google Scholar
• King , J. A. , Shair , F. H. and Reible , D. D. 1987 . The influence of atmospheric stability on pollutant transport by slope winds . Atmospheric Environment , 21 : 53 – 59 .
   Web of Science ®Google Scholar
• Kolb , T. E. and Stone , J. E. 2000 . Differences in leaf gas exchange and water relations among species and tree sizes in an Arizona-pine-oak forest . Tree Physiology , 20 : 1 – 12 . 12651521
   PubMed Web of Science ®Google Scholar
• Kossmann , M. , Corsmeier , U. , de Wekker , S. F. J. , Fiedler , F. , Voegtlin , R. , Kalthoff , N. , Guesten , H. and Neininger , B. 1999 . Observations of handover processes between the atmospheric boundary layer and the free troposphere over mountainous terrain . Contributions to Atmospheric Physics , 72 : 329 – 50 .
   Google Scholar
• Koutrakis , P. , Wolfson , J. M. , Bunyaviroch , A. , Froehlich , S. E. , Hirano , K. and Mulik , J. D. 1993 . Measurement of ambient ozone using a nitrite-coated filter . Analytical Chemistry , 65 : 209 – 14 .
   Web of Science ®Google Scholar
• Lefohn , A. S. and Jones , C. K. 1986 . The characterization of ozone and sulfur dioxide air quality data for assessing possible vegetation effects . Journal of the Air Pollution Control Association , 36 : 1123 – 28 .
   Web of Science ®Google Scholar
• Lefohn , A. S. , Krupa , S. V. and Winstanley , D. 1990 . Surface ozone exposures measured at clean locations around the world . Environmental Pollution , 63 : 189 – 224 . 15092317
   PubMed Web of Science ®Google Scholar
• Lefohn , A. S. and Runeckles , V. C. 1987 . Establishing standards to protect vegetation—Ozone exposure/dose considerations . Atmospheric Environment , 21 : 561 – 68 .
   Web of Science ®Google Scholar
• Logan , M. F. 1995 . Fighting sprawl and city hall , Tucson : The University of Arizona Press .
   Google Scholar
• Lu , R. and Turco , R. P. 1996 . Ozone distributions over the Los Angeles basin: Three-dimensional simulations with the SMOG model . Atmospheric Environment , 30 : 4155 – 76 .
   Web of Science ®Google Scholar
• Matyssek , R. , Reich , P. B. , Oren , R. and Winner , W. E. 1995 . “ Response mechanisms of conifers to air pollutants ” . In Physiological ecology of coniferous forests , Edited by: Smith , W. K. and Hinckley , W. K. 255 – 308 . New York : Academic Press .
   Google Scholar
• McKendry , I. G. and Lundgren , J. 2000 . Tropospheric layering of ozone in regions of urbanized complex and/or coastal terrain: A review . Progress in Physical Geography , 24 : 329 – 54 .
   Web of Science ®Google Scholar
• McLaughlin , S. B. and Percy , K. 1999 . Forest health in North America: Some perspectives on actual and potential roles of climate and air pollution . Water, Air, and Soil Pollution , 116 : 151 – 97 .
   Web of Science ®Google Scholar
• Melillo , J. M. , Callaghan , T. V. , Woodward , F. I. , Salati , E. and Sinha , S. K. 1990 . “ Climate change—Effects on ecosystems ” . In Climate change: The intergovernmental panel on climate change scientific assessment , Edited by: Houghton , J. T. , Jenkins , G. J. and Ephrams , J. J. 282 – 310 . Cambridge, , U.K. : Cambridge University Press .
   Google Scholar
• Mikkelson , T. N. , Ro-Poulsen , H. , Pilegaard , K. , Hovmand , M. F. , Jensen , N. O. , Christensen , C. S. and Hummelshoej , P. 2000 . Ozone uptake by an evergreen forest canopy: Temporal variation and possible mechanisms . Environmental Pollution , 109 : 423 – 29 . 15092875
   PubMed Web of Science ®Google Scholar
• Miller , P. R. , Longbotham , G. J. and Longbotham , C. R. 1983 . Sensitivity of selected western conifers to ozone . Plant Disease , 67 : 1113 – 15 .
   Web of Science ®Google Scholar
• Miller , P. R. , Parmeter , J. R. , Taylor , O. C. and Cardiff , E. A. 1963 . Ozone injury to foliage of Pinus ponderosa . Phytopathology , 53 : 1072 – 76 .
   Web of Science ®Google Scholar
• Miller P. R. Taylor O. C. Poe M. P. 1986 Spatial variation of summer ozone concentrations in the San Bernardino Mountains. In Proceedings of the 79th annual meeting of the Air Pollution Control Association, 86-39-2. Pittsburgh, PA: Air Pollution Control Association.
   Google Scholar
• Miller , P. R. , Taylor , O. C. and Wilhour , R. G. 1982 . Oxidant air pollution effects on a western coniferous forest ecosystem , Corvallis, OR : U.S. Environmental Protection Agency . USEPA-600-82-276
   Google Scholar
• Monson , R. K. and Grant , M. C. 1989 . Experimental studies of ponderosa pine. Part 3: Differences in photosynthesis, stomatal conductance, and water use efficiency between two genetic lines . American Journal of Botany , 76 : 1041 – 47 .
   Web of Science ®Google Scholar
• Musselmann , R. C. and Minnick , T. J. 2000 . Nocturnal stomatal conductance and ambient air quality standards for ozone . Atmospheric Environment , 34 : 719 – 33 .
   Web of Science ®Google Scholar
• Nowak , D. J. 1994 . “ Air pollution removal by Chicago's urban forest ” . In Chicago's urban forest ecosystem: Results of the Chicago Urban Forest Climate Project , Edited by: McPherson , E. G. , Nowak , D. J. and Rowntree , R. A. 63 – 81 . Radnor, PA : U.S. Forest Service .
   Google Scholar
• Pallas , J. E. 1965 . Transpiration and stomatal opening with changes in carbon dioxide content of the air . Science , 147 : 171 – 73 .
   PubMed Web of Science ®Google Scholar
• Panek , J. A. and Goldstein , A. H. 2001 . Response of stomatal conductance to drought in ponderosa pine: Implications for carbon and ozone uptake . Tree Physiology , 21 : 337 – 44 . 11262925
   PubMed Web of Science ®Google Scholar
• Peterson , D. L. , Arbaugh , M. J. and Robinson , L. J. 1993 . Effects of ozone and climate on ponderosa pine (Pinus ponderosa) growth in the Colorado Rocky Mountains . Canadian Journal of Forest Research , 23 : 1750 – 59 .
   Web of Science ®Google Scholar
• Pronos , J. , Merrill , L. and Dahlsten , D. 1999 . “ Insects and pathogens in a pollution-stressed forest ” . In Oxidant air pollution impacts in the montane forests of southern California: A case study of the San Bernardino Mountains , Edited by: Miller , P. R. and McBride , J. R. 317 – 37 . New York : Springer-Verlag .
   Google Scholar
• Pryor , S. C. , Davies , T. D. , Hoffer , T. E. and Richman , M. B. 1995 . The influence of synoptic scale meteorology on transport of urban air to remote locations in the southwestern United States of America . Atmospheric Environment , 29 : 1609 – 18 .
   Web of Science ®Google Scholar
• Pryor , S. C. and Hoffer , T. E. 1992 . A case study of pollutant transport from Los Angeles to the desert Southwest . Atmospheric Environment , 26A : 243 – 50 .
   Web of Science ®Google Scholar
• Prytherch D 1999. Natural wonders and urban stratagems: The selling of Tucson, Arizona. Master's thesis, Department of Geography and Regional Development, University of Arizona.
   Google Scholar
• Rasmussen , K. H. , Taheri , M. and Kabel , R. L. 1975 . Global emissions and natural processes for removal of gaseous pollutants . Water, Air, and Soil Pollution , 4 : 33 – 64 .
   Web of Science ®Google Scholar
• Reisner , M. 1993 . Cadillac desert: The American West and its disappearing water , New York : Penguin Books .
   Google Scholar
• Running , S. W. 1976 . Environmental control of leaf water conductance in conifers . Canadian Journal of Forest Research , 6 : 104 – 12 .
   Google Scholar
• Savage , M. and Swetnam , T. W. 1990 . Early and persistent fire decline in a Navajo ponderosa pine forest . Ecology , 70 : 2374 – 78 .
   Web of Science ®Google Scholar
• Schrank , D. L. and Lomax , T. J. 2001 . The 2001 urban mobility report , College Station : Texas Transportation Institute .
   Google Scholar
• Sellers , W. D. and Hill , R. H. 1974 . Arizona climate, 1931–1972 , Tucson : The University of Arizona Press .
   Google Scholar
• Sharkey , T. D. and Ogawa , T. 1987 . “ Stomatal responses to light ” . In Stomatal function , Edited by: Zeiger , E. , Farquhar , G. D. and Cowan , I. R. 195 – 208 . Stanford, CA : Stanford University Press .
   Google Scholar
• Sillman , S. 1999 . The relation between ozone, NOx, and hydrocarbons in urban and polluted rural environments . Atmospheric Environment , 33 : 1821 – 45 .
   Web of Science ®Google Scholar
• Singh , H. B. , Viezee , W. , Johnson , W. B. and Ludwig , F. L. 1980 . The impact of stratospheric ozone on tropospheric air quality . Journal of the Air Pollution Control Association , 30 : 1009 – 17 .
   Web of Science ®Google Scholar
• Stolte , K. W. 1996 . “ Symptomology of ozone injury to pine foliage ” . In Evaluating ozone air pollution effects on pines in the western United States , Edited by: Miller , P. R. , Stolte , K. W. , Duriscoe , D. M. and Pronos , J. Riverside, CA : United States Department of Agriculture Forest Service Pacific Southwest Research Station . Also available at http://www.psw.fs.fed.us/Tech_Pub/Documents/gtr-155/03-stolte.html (last accessed 1 May 2003)
   Google Scholar
• Stolte , K. W. , Duriscoe , D. M. , Cook , E. R. and Cline , S. P. 1992 . “ Methods of assessing responses of trees, stands, and ecosystems to air pollution ” . In The response of western forests to air pollution , Edited by: Olson , R. K. , Binkley , D. and Böhm , M. 259 – 330 . New York : Springer-Verlag .
   Google Scholar
• Sudworth , G. B. 1908 . Forest trees of the Pacific slope , Washington, DC : United States Department of Agriculture Forest Service .
   Google Scholar
• Swetnam , T. W. and Baisan , C. H. 1996 . “ Historical fire regime patterns in the southwestern United States since AD 1700 ” . In Proceedings of the second La Mesa fire symposium , Edited by: Allen , C. D. 11 – 32 . Fort Collins, CO : Rocky Mountain Forest and Range Experiment Station .
   Google Scholar
• Takemoto , B. K. , Bytnerowicz , A. and Fenn , M. E. 2001 . Current and future effects of ozone and atmospheric nitrogen deposition on California's mixed conifer forests . Forest Ecology and Management , 144 : 159 – 73 .
   Web of Science ®Google Scholar
• Temple , P. J. and Miller , P. R. 1998 . “ Seasonal influences of ozone uptake and foliar injury to ponderosa and Jeffrey pines at a southern California site ” . In Proceedings of the International Symposium on Air Pollution and Climate Change Effects on Forest Ecosystems , Edited by: Bytnerowicz , A. , Arbaugh , M. J. and Schilling , S. L. 221 – 28 . Albany CO : United States Department of Agriculture Forest Service .
   Google Scholar
• Temple , P. J. , Riechers , G. H. , Miller , P. R. and Lennox , R. W. 1993 . Growth responses of ponderosa pine to long-term exposure to ozone, wet and dry acidic deposition, and drought . Canadian Journal of Forest Research , 23 : 59 – 66 .
   Web of Science ®Google Scholar
• Tingey , D. T. and Hogsett , W. E. 1985 . Water stress reduces ozone injury via stomatal mechanism . Plant Physiology , 77 : 944 – 47 .
   PubMed Web of Science ®Google Scholar
• Tingey , D. T. , Hogsett , W. E. and Henderson , S. 1990 . Definition of adverse effects for the purpose of establishing secondary national ambient air quality standards . Journal of Environmental Quality , 19 : 635 – 39 .
   Web of Science ®Google Scholar
• U.S. Environmental Protection Agency . 2000 . National air pollutant emission trends, 1900–1998 , Research Triangle Park, NC : U.S. Environmental Protection Agency . EPA-454/R-00-002
   Google Scholar
• U.S. Environmental Protection Agency 2002. AIRTrends report, Office of Air and Radiation. http://www.epa.gov/airtrends/index.html (last accessed 31 January 2003).
   Google Scholar
• Van Ooy , D. J. and Carroll , J. J. 1995 . The spatial variation of ozone climatology on the western slope of the Sierra Nevada . Atmospheric Environment , 29 : 1319 – 30 .
   Web of Science ®Google Scholar
• Viezee , W. and Singh , H. B. 1980 . The distribution of beryllium-7 in the troposphere: Implication on stratospheric/tropospheric air exchange . Geophysical Research Letters , 7 : 805 – 8 .
   Web of Science ®Google Scholar
• Vukovich , F. M. , Bach , W. D. , Crissman , B. W. and King , W. J. 1977 . On the relationship between high ozone in the rural surface layer and high-pressure cells . Atmospheric Environment , 11 : 967 – 83 .
   Web of Science ®Google Scholar
• Weaver , H. 1951 . Fire as an ecological factor in Southwestern ponderosa pine forests . Journal of Forestry , 49 : 93 – 98 .
   Google Scholar
• Wentz , E. A. , Gober , P. , Balling , R. C. and Day , T. A. 2002 . Spatial patterns and determinants of winter atmospheric carbon dioxide concentrations in an urban environment . Annals of the Association of American Geographers , 92 : 15 – 28 .
   Web of Science ®Google Scholar
• Woodman , J. N. 1987 . Pollution-induced injury to North American forests: Facts and suspicions . Tree Physiology , 3 : 1 – 15 . 14975831
   PubMed Web of Science ®Google Scholar
• Wooldridge , G. , Zeller , K. and Musselman , R. 1997 . Ozone concentration characteristics at a high-elevation forest site . Theoretical and Applied Climatology , 56 : 153 – 64 .
   Web of Science ®Google Scholar
• Zwolinski , M. J. 1996 . “ Effects of fire on montane forest ecosystems ” . In Effects of fire on madrean province ecosystems: A symposium proceedings , Edited by: Folliott , P. F. , DeBano , L. F. and Baker , M. B. 55 – 63 . Fort Collins, CO : U.S. Forest Service .
   Google Scholar