P. C. Harley

25.6k citations

95 papers · 17.6k indexed · 6 hit papers · h-index 55

Impact in

Atmospheric Science top 0.05%
- Atmospheric chemistry and aerosols
- Atmospheric Ozone and Climate
Global and Planetary Change top 0.05%
- Plant Water Relations and Carbon Dynamics
- Atmospheric and Environmental Gas Dynamics
- Atmospheric aerosols and clouds

Papers in

Atmospheric Science 60
- Atmospheric chemistry and aerosols 56
Global and Planetary Change 59
- Plant Water Relations and Carbon Dynamics 42
- Atmospheric and Environmental Gas Dynamics 16
- Fire effects on ecosystems 6

Co-authors: Alex Guenther Chris Geron Thomas Karl Christine Wiedinmyer Paul I. Palmer Ray Fall Russell K. Monson Thomas D. Sharkey
Journals: Oecologia (14 papers)Atmospheric chemistry and physics (11 papers)Journal of Geophysical Research Atmospheres (10 papers)Atmospheric Environment (9 papers)Plant Cell & Environment (9 papers)
Partner nations: United States Germany United Kingdom

In The Last Decade

P. C. Harley

95 papers receiving 16.8k citations

Hit Papers

6 papers align trajectories log scale

Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature) 2006 · 3.4k citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2006 Atmospheric chemistry and physics
2002 Plant Cell & Environment
1995 Journal of Geophysical Research Atmospheres
1993 Journal of Geophysical Research Atmospheres
1992 PLANT PHYSIOLOGY
1992 Plant Cell & Environment

Peers

Countries citing papers authored by P. C. Harley

Since Specialization

Citations

This map shows the geographic impact of P. C. Harley's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. C. Harley with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. C. Harley more than expected).

Fields of papers citing papers by P. C. Harley

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. C. Harley. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. C. Harley. The network helps show where P. C. Harley may publish in the future.

Co-authors

The 25 scholars most cited alongside P. C. Harley, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with P. C. Harley Line = papers co-authored together P. C. Harley links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Ecosystem‐scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA ) Global Change Biology ·Roger Seco, Thomas Karl, Alex Guenther, Kevin P. Hosman, Stephen G. Pallardy, Lianhong Gu, Chris Geron, P. C. Harley, Saewung Kim	2015	80
2	Contribution from biogenic organic compounds to particle growth during the 2010 BEACHON-ROCS campaign in a Colorado temperate needleleaf forest Atmospheric chemistry and physics ·Luxi Zhou, Rosa Gierens, Andrey Sogachev, D. Mogensen, John Ortega, James N. Smith, P. C. Harley, A. J. Prenni, Ezra J. T. Levin, Andrew A. Turnipseed, Anton Rusanen, Sampo Smolander, Alex Guenther, Markku Kulmala, Thomas Karl, Michael Boy	2015	14
3	Large drought-induced variations in oak leaf volatile organic compound emissions during PINOT NOIR 2012 Chemosphere ·Chris Geron, Ryan Daly, P. C. Harley, R. A. Rasmussen, Roger Seco, Alex Guenther, Thomas Karl, Lianhong Gu	2015	21
4	Effects of light and temperature on isoprene emission at different leaf developmental stages of eschweilera coriacea in central Amazon Acta Amazonica ·Eliane Gomes Alves, P. C. Harley, José Francisco de Carvalho Gonçalves, Carlos Eduardo Moura, Kolby Jardine	2013	35
5	Undisturbed and disturbed above canopy ponderosa pine emissions: PTR-TOF-MS measurements and MEGAN 2.1 model results Atmospheric chemistry and physics ·L. Kaser, Thomas Karl, Alex Guenther, M. Graus, R. Schnitzhofer, A. Turnipseed, Lukas Fischer, P. C. Harley, M. B. Madronich, David Gochis, Frank N. Keutsch, Armin Hansel	2013	47
6	First direct measurements of formaldehyde flux via eddy covariance: implications for missing in-canopy formaldehyde sources Atmospheric chemistry and physics ·Joshua P. DiGangi, Erin S. Boyle, Thomas Karl, P. C. Harley, Andrew A. Turnipseed, S. Kim, C. A. Cantrell, R. L. Maudlin, Weiwei Zheng, F. Flocke, Samuel R. Hall, Kirk Ullmann, Yoshihiro Nakashima, J. B. Paul, Glenn M. Wolfe, Ankur R. Desai, Yoshizumi Kajii, Alex Guenther, Frank N. Keutsch	2011	56
7	Estimations of isoprenoid emission capacity from enclosure studies: measurements, data processing, quality and standardized measurement protocols Biogeosciences ·Ülo Niinemets, Uwe Kühn, P. C. Harley, Michael Staudt, Almut Arneth, A. Cescatti, P. Ciccioli, Lucian Copolovici, Chris Geron, Alex Guenther, J. Kesselmeier, Manuel Lerdau, Russell K. Monson, Josep Peñuelas	2011	162
8	Revisiting the dry depositional sink of oxidized organic vapors to vegetation EGUGA ·Thomas Karl, P. C. Harley, L. K. Emmons, Brenda Thornton, Alex Guenther, Chhandak Basu, A. Turnipseed, Kolby Jardine	2010	2
9	Emissions and ambient distributions of Biogenic Volatile Organic Compounds (BVOC) in a ponderosa pine ecosystem: interpretation of PTR-MS mass spectra Atmospheric chemistry and physics ·S. Kim, Thomas Karl, Alex Guenther, Geoffrey S. Tyndall, John J. Orlando, P. C. Harley, R. A. Rasmussen, Eric C. Apel	2010	104
10	Large estragole fluxes from oil palms in Borneo Atmospheric chemistry and physics ·Pawel K. Misztal, Susan M. Owen, Alex Guenther, R. A. Rasmussen, Chris Geron, P. C. Harley, G. J. Phillips, A. C. Ryan, David P. Edwards, C. N. Hewitt, Eiko Nemitz, J. Siong, Mathew R. Heal, J.N. Cape	2010	41
11	Biogenic VOC emissions from African, American, and Asian tropical forests AGUFM ·Alex Guenther, C. N. Hewitt, Thomas R. Karl, P. C. Harley, C. A. Reeves	2008	1
12	Plant physiological and environmental controls over the exchange of acetaldehyde between forest canopies and the atmosphere Biogeosciences ·Kolby Jardine, P. C. Harley, Thomas Karl, Alex Guenther, Manuel Lerdau, Julian Mak	2008	38
13	Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature) Atmospheric chemistry and physics ·Alex Guenther, Thomas Karl, P. C. Harley, Christine Wiedinmyer, Paul I. Palmer, Chris Geron Hit paper breakdown →	2006	3398
14	Volatile organic emissions from the distillation and pyrolysis of vegetation J. Greenberg, H. Friedli, Alex Guenther, David R. Hanson, P. C. Harley, Thomas Karl	2005	15
15	The bi-directional exchange of oxygenated VOCs between a loblolly pine (<I>Pinus taeda</I>) plantation and the atmosphere SHILAP Revista de lepidopterología ·Thomas Karl, P. C. Harley, B. Baker, K. Jardine, Eiko Nemitz, Alex Guenther	2005	1
16	Climatic influences on net ecosystem CO2 exchange during the transition from wintertime carbon source to springtime carbon sink in a high-elevation, subalpine forest Oecologia ·Russell K. Monson, Jed P. Sparks, Todd N. Rosenstiel, L. Scott-Denton, Travis E. Huxman, P. C. Harley, Andrew A. Turnipseed, Sean P. Burns, Brant Backlund, Jia Hu	2005	172
17	The fluxes and air chem istry of isoprene above a deciduous hardwood forest Philosophical Transactions of the Royal Society of London Series A Physical and Engineering Sciences ·Dennis Baldocchi, Alex Guenther, P. C. Harley, Lee F. Klinger, Pat Zimmerman, Brian Lamb, Hal Westberg	1995	46
18	Effects of growth irradiance, nitrogen nutrition and watering regime on photosynthesis, leaf conductance and isoprene emission in leaves of Post Oak, Quercus stellata P. C. Harley, Steven R. Archer, Alex Guenther	1994	1
19	Environmental and developmental controls over the seasonal pattern of isoprene emission from aspen leaves Oecologia ·Russell K. Monson, P. C. Harley, M. E. Litvak, Mary C. Wildermuth, Alex Guenther, P. R. Zimmerman, Ray Fall	1994	210
20	Formation of false stems in Cymopterus longiopes: an uplifting example of growth form change Oecologia ·K. S. Werk, James R. Ehleringer, P. C. Harley	1986	2

About P. C. Harley

P. C. Harley is a scholar working on Atmospheric Science, Global and Planetary Change, Plant Science, Process Chemistry and Technology and Health, Toxicology and Mutagenesis, having authored 95 papers that have together received 17.6k indexed citations. Recurring topics across this work include Plant responses to elevated CO2 (65 papers), Atmospheric chemistry and aerosols (56 papers), Plant Water Relations and Carbon Dynamics (42 papers), Atmospheric and Environmental Gas Dynamics (16 papers), Photosynthetic Processes and Mechanisms (9 papers), Indoor Air Quality and Microbial Exposure (8 papers), Air Quality and Health Impacts (7 papers) and Fire effects on ecosystems (6 papers). The work is most often cited by research in Atmospheric Science (11.8k citations), Global and Planetary Change (9.6k citations), Health, Toxicology and Mutagenesis (4.0k citations), Plant Science (7.7k citations) and Environmental Engineering (1.2k citations). P. C. Harley has collaborated with scholars based in United States, Germany and United Kingdom. Frequent co-authors include Alex Guenther, Chris Geron, Thomas Karl, Christine Wiedinmyer, Paul I. Palmer, Ray Fall, Russell K. Monson, Thomas D. Sharkey, P. R. Zimmerman and Francesco Loreto. Their work appears in journals such as Oecologia, Atmospheric chemistry and physics, Journal of Geophysical Research Atmospheres, Atmospheric Environment and Plant Cell & Environment.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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