Výsledky vyhledávání - "James R. Renfro"

Sensitivity and uncertainty analysis of PnET-BGC to inform the development of Total Maximum Daily Loads (TMDLs) of acidity in the Great Smoky Mountains National Park

Autor: Charles T. Driscoll, John S. Schwartz, Matt A. Kulp, Patricia Brewer, James R. Renfro, Tamara Blett, Habibollah Fakhraei

Publikováno v: Environmental Modelling & Software. 95:156-167

The biogeochemical model, PnET-BGC, has been used to evaluate the long-term acid-base response of surface waters to changes in atmospheric acid deposition. We propose a methodology to identify the input factors of greatest model sensitivity and propa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23aa5c7f2e37f4eb2fa7fdbac2029339
https://doi.org/10.1016/j.envsoft.2017.06.013

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Open-path, closed-path, and reconstructed aerosol extinction at a rural site

Autor: Ping Chen, Ethan McClure, James R. Renfro, Andrew Freedman, T. D. Gordon, Gavin R. McMeeking, Bill Hicks, Anthony J. Prenni, Timothy B. Onasch

The Handix Scientific open-path cavity ringdown spectrometer (OPCRDS) was deployed during summer 2016 in Great Smoky Mountains National Park (GRSM). Extinction coefficients from the relatively new OPCRDS and from a more well-established extinction in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfd7587aba00442ba83e5e69b4efa36d

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Critical loads and exceedances for nitrogen and sulfur atmospheric deposition in G reat S moky M ountains N ational P ark, U nited S tates

Autor: Tamara Blett, Matt A. Kulp, James R. Renfro, Charles T. Driscoll, John S. Schwartz, Habibollah Fakhraei, Patricia Brewer

Publikováno v: Ecosphere. 7

Acid deposition has impacted sensitive streams, reducing the amount of habitat available for fish survival in the Great Smoky Mountains National Park (GRSM) and portions of the surrounding Southern Appalachian Mountains by decreasing pH and acid neut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::94bd837a3297d5e9cc649fdb30e34524
https://doi.org/10.1002/ecs2.1466

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Developing Critical Loads of Nitrate and Sulfate Deposition to Watersheds of the Great Smoky Mountains National Park, USA

Autor: Stephen E. Moore, Charles T. Driscoll, John S. Schwartz, Matt A. Kulp, Qingtao Zhou, Jason A. Lynch, James R. Renfro, Meijun Cai

Publikováno v: Water, Air, & Soil Pollution. 226

Long-term impacts of acidic deposition on the Great Smoky Mountains National Park (GRSM) include elevated inputs of sulfate, nitrate, and ammonium; the depletion of available nutrient cations from soil; and acidification of high-elevation streams. Cr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44acbc97995e5a76355fdc5906addc50
https://doi.org/10.1007/s11270-015-2502-7

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[Untitled]

Autor: E. Hildebrand, James R. Renfro, John M. Skelly, Arthur H. Chappelka, Greg L. Somers

Publikováno v: Water, Air, and Soil Pollution. 116:261-266

Incidence and severity of foliar symptoms due to ambient ozone exposures were documented on mature black cherry (Prunus serotina) in two National Parks [Great Smoky Mountains National Park (GRSM) and Shenandoah National Park (SHEN)] in the Appalachia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76bb8689f953e378b0c6990dbd74b2bb
https://doi.org/10.1023/a:1005260422738

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Empirical evidence of growth decline related to visible ozone injury

Autor: James R. Renfro, Arthur H. Chappelka, P Rosseau, Greg L. Somers

Publikováno v: Forest Ecology and Management. 104:129-137

Differences in radial growth at breast height of yellow-poplar (Liriodendron tulipifera L.) and black cherry (Prunus serotina Ehrh.) were tested between individual trees with a history of visible foliar ozone injury and those not expressing foliar in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a34e55e5d00b6f04d89904c5dcd1c69
https://doi.org/10.1016/s0378-1127(97)00252-1

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Relationships between cellular injury, visible injury of leaves, and ozone exposure levels for several dicotyledonous plant species at Great Smoky Mountains National Park

Autor: John H. Adamski, Lance S. Evans, James R. Renfro

Publikováno v: Environmental and Experimental Botany. 36:229-237

Ozone is a ubiquitous air pollutant in the troposphere that can significantly affect terrestrial vegetation. Great Smoky Mountains National Park (GRSM), in eastern Tennessee and in western North Carolina, is experiencing ozone concentrations that may

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f03a7d1fbf4deea3f36198f3e402d569
https://doi.org/10.1016/0098-8472(96)01002-7

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Sensitivity of seedlings of black cherry (Prunus serotina Ehrh.) to ozone in Great Smoky Mountains National Park. I. Exposure-response curves for biomass

Autor: Howard S. Neufeld, E. Henry Lee, James R. Renfro, W. David Hacker, Ben-Hui Yu

Publikováno v: New Phytologist. 130:447-459

summary The response of seedlings of black cherry (Prunus serotina Ehrh.) to ozone was evaluated in Great Smoky Mountains National Park using open-top chambers during the growing seasons of 1989 and 1992. Two separate sets of seedlings were each expo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7eb0f255de3efe5a1722b164887bf081
https://doi.org/10.1111/j.1469-8137.1995.tb01839.x

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