TY - JOUR
T1 - Spatial and temporal patterns of ground-level ozone within north-central Pennsylvania forests
AU - Orendovici-Best, Teodora
AU - Skelly, John M.
AU - Davis, Donald Durwood
PY - 2010/6/1
Y1 - 2010/6/1
N2 - Ozone is the most important air pollutant impacting forests of the northeastern United States, including Pennsylvania. Spatial and temporal patterns of ambient, ground-level ozone were studied during 20022004 within north-central Pennsylvania hardwood forests. Ground-level ozone was monitored at 20 remote, forested sites using passive (non-electric) ozone samplers. Ten monitoring sites were established at (relatively) low-elevation (<350 m) locations in valleys and ten sites were located at (relatively) high-elevation locations (>550 m) on mountains. Real-time electronic ozone analyzers were co-located with the passive samplers at three sites that had access to electricity. Spatial maps were developed illustrating gradients of ozone across the region. During all 3 years, ambient ozone levels were positively correlated with elevation (2002, = 0.813, P < 0.001; 2003, = 0.877, P < 0.001; and 2004, p = 0.518, P < 0.019). Native forests at higher, mountainous sites may be at risk from higher ambient levels of ozone, despite their perceived "pristine" location. Future field surveys, designed to evaluate ozone injury to native vegetation, will use spatial maps developed from this study.
AB - Ozone is the most important air pollutant impacting forests of the northeastern United States, including Pennsylvania. Spatial and temporal patterns of ambient, ground-level ozone were studied during 20022004 within north-central Pennsylvania hardwood forests. Ground-level ozone was monitored at 20 remote, forested sites using passive (non-electric) ozone samplers. Ten monitoring sites were established at (relatively) low-elevation (<350 m) locations in valleys and ten sites were located at (relatively) high-elevation locations (>550 m) on mountains. Real-time electronic ozone analyzers were co-located with the passive samplers at three sites that had access to electricity. Spatial maps were developed illustrating gradients of ozone across the region. During all 3 years, ambient ozone levels were positively correlated with elevation (2002, = 0.813, P < 0.001; 2003, = 0.877, P < 0.001; and 2004, p = 0.518, P < 0.019). Native forests at higher, mountainous sites may be at risk from higher ambient levels of ozone, despite their perceived "pristine" location. Future field surveys, designed to evaluate ozone injury to native vegetation, will use spatial maps developed from this study.
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U2 - 10.1656/045.017.0208
DO - 10.1656/045.017.0208
M3 - Article
AN - SCOPUS:77954412336
VL - 17
SP - 247
EP - 260
JO - Northeastern Naturalist
JF - Northeastern Naturalist
SN - 1092-6194
IS - 2
ER -