Arthur H. Johnson
University of Pennsylvania, Philadelphia, PA
Activity
2007
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25-YEAR CHANGES IN AMOUNTS OF HEAVY METALS AND BASE CATIONS IN ORGANIC HORIZONS OF MID-ATLANTIC REGION FOREST SOILS
212 Environmental Geoscience; Geology and Health; Public PolicyWednesday, 31 October 20071:30 PM - 5:30 PM
2006
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INTERPRETING OXYGEN ISOTOPE RATIOS IN FOSSIL WOOD CELLULOSE
153 Paleoclimatology/Paleoceanography I: Proxy EvaluationsTuesday, 24 October 20061:30 PM - 5:30 PM
2001
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EVIDENCE FOR SHORT-TERM FORCING OF LAND-SURFACE AIR TEMPERATURE BY ANTHROPOGENIC CO2 EMISSIONS
28 Anthropogenic Modifications to the Earth SystemTuesday, 26 June 20013:00 PM - 4:30 PM
Date Unknown
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CONTRIBUTIONS OF ARSENIC FROM BED SEDIMENTS TO WATER IN THE WALLKILL RIVER, NORTHWESTERN NEW JERSEY, USA
T56 Arsenic, Lead, and Mercury in Urban and Rural Watersheds (Posters)