146 citations as recorded by crossref.

1. Observation of vertical profiles of NO, O<SUB>3</SUB>, and VOCs to estimate their sources and sinks by inverse modeling in a Japanese larch forest R. WADA et al. 10.2480/agrmet.D-18-00029
2. Eddy covariance fluxes of acyl peroxy nitrates (PAN, PPN and MPAN) above a Ponderosa pine forest G. Wolfe et al. 10.5194/acp-9-615-2009
3. Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a &lt;I&gt;Larix kaempferi&lt;/I&gt; forest T. Mochizuki et al. 10.5194/acp-15-12029-2015
4. Environmental Factors Affecting Monoterpene Emissions from Terrestrial Vegetation T. Malik et al. 10.3390/plants12173146
5. Analysis of coherent structures and atmosphere-canopy coupling strength during the CABINEX field campaign A. Steiner et al. 10.5194/acp-11-11921-2011
6. Global modelling of the total OH reactivity: investigations on the “missing” OH sink and its atmospheric implications V. Ferracci et al. 10.5194/acp-18-7109-2018
7. Gas-phase products and secondary organic aerosol formation from the ozonolysis and photooxidation of myrcene O. Böge et al. 10.1016/j.atmosenv.2013.07.034
8. Prediction of the Response of a Photoionization Detector to a Complex Gaseous Mixture of Volatile Organic Compounds Produced by α-Pinene Oxidation M. Stewart et al. 10.1021/acsearthspacechem.3c00054
9. The Dynamics and Kinetics of Water Interactions with a Condensed Nopinone Surface S. Johansson et al. 10.1021/acs.jpca.7b06263
10. Gas‐phase products and secondary aerosol yields from the photooxidation of 16 different terpenes A. Lee et al. 10.1029/2006JD007050
11. Atmospheric OH reactivities in the Pearl River Delta – China in summer 2006: measurement and model results S. Lou et al. 10.5194/acp-10-11243-2010
12. Measurement-based investigation of ozone deposition to vegetation under the effects of coastal and photochemical air pollution in the Eastern Mediterranean Q. Li et al. 10.1016/j.scitotenv.2018.07.037
13. The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 2: Application to BEARPEX-2007 observations G. Wolfe et al. 10.5194/acp-11-1269-2011
14. Atmospheric mixing ratios of methyl ethyl ketone (2-butanone) in tropical, boreal, temperate and marine environments A. Yáñez-Serrano et al. 10.5194/acp-16-10965-2016
15. Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin N. Zannoni et al. 10.5194/acp-17-12645-2017
16. Emissions and ambient distributions of Biogenic Volatile Organic Compounds (BVOC) in a ponderosa pine ecosystem: interpretation of PTR-MS mass spectra S. Kim et al. 10.5194/acp-10-1759-2010
17. What Are the Principal Factors Affecting Ambient Ozone Concentrations in Czech Mountain Forests? I. Hůnová et al. 10.3389/ffgc.2019.00031
18. Observations of HNO&lt;sub&gt;3&lt;/sub&gt;, ΣAN, ΣPN and NO&lt;sub&gt;2&lt;/sub&gt; fluxes: evidence for rapid HO&lt;sub&gt;x&lt;/sub&gt; chemistry within a pine forest canopy D. Farmer & R. Cohen 10.5194/acp-8-3899-2008
19. Biogenic emissions and land–atmosphere interactions as drivers of the daytime evolution of secondary organic aerosol in the southeastern US J. Nagori et al. 10.5194/acp-19-701-2019
20. Secondary organic aerosols formed from oxidation of biogenic volatile organic compounds in the Sierra Nevada Mountains of California T. Cahill et al. 10.1029/2006JD007178
21. Structure–activity relationship (SAR) for the prediction of gas-phase ozonolysis rate coefficients: an extension towards heteroatomic unsaturated species M. McGillen et al. 10.1039/C0CP01732A
22. Dry Deposition of Ozone Over Land: Processes, Measurement, and Modeling O. Clifton et al. 10.1029/2019RG000670
23. Closing the peroxy acetyl nitrate budget: observations of acyl peroxy nitrates (PAN, PPN, and MPAN) during BEARPEX 2007 B. LaFranchi et al. 10.5194/acp-9-7623-2009
24. Large emissions of sesquiterpenes and methyl chavicol quantified from branch enclosure measurements N. Bouvier-Brown et al. 10.1016/j.atmosenv.2008.08.039
25. The importance of cylinder passivation for preparation and long-term stability of multicomponent monoterpene primary reference materials N. Allen et al. 10.5194/amt-11-6429-2018
26. OH reactivity in a South East Asian tropical rainforest during the Oxidant and Particle Photochemical Processes (OP3) project P. Edwards et al. 10.5194/acp-13-9497-2013
27. Large estragole fluxes from oil palms in Borneo P. Misztal et al. 10.5194/acp-10-4343-2010
28. Seasonal variations of stable carbon isotopic composition and biogenic tracer compounds of water-soluble organic aerosols in a deciduous forest Y. Miyazaki et al. 10.5194/acp-12-1367-2012
29. Investigating carbonyl compounds above the Amazon rainforest using a proton-transfer-reaction time-of-flight mass spectrometer (PTR-ToF-MS) with NO+ chemical ionization A. Ringsdorf et al. 10.5194/acp-24-11883-2024
30. Diel rhythms in the volatile emission of apple and grape foliage V. Giacomuzzi et al. 10.1016/j.phytochem.2017.03.001
31. Aircraft observations of daytime NO3 and N2O5 and their implications for tropospheric chemistry S. Brown et al. 10.1016/j.jphotochem.2005.10.004
32. Measurements of VOCs by proton transfer reaction mass spectrometry at a rural Ontario site: Sources and correlation to aerosol composition A. Vlasenko et al. 10.1029/2009JD012025
33. Characterization of submicron particles influenced by mixed biogenic and anthropogenic emissions using high-resolution aerosol mass spectrometry: results from CARES A. Setyan et al. 10.5194/acp-12-8131-2012
34. Semi-volatile and highly oxygenated gaseous and particulate organic compounds observed above a boreal forest canopy B. Lee et al. 10.5194/acp-18-11547-2018
35. Short-chain oxygenated VOCs: Emission and uptake by plants and atmospheric sources, sinks, and concentrations R. Seco et al. 10.1016/j.atmosenv.2006.11.029
36. Environmental and social impacts of electricity utilization: broadening the debate G. Sidaway 10.1007/s10669-007-9160-2
37. Approaches for quantifying reactive and low-volatility biogenic organic compound emissions by vegetation enclosure techniques – Part B: Applications J. Ortega et al. 10.1016/j.chemosphere.2008.02.054
38. Studying of biogenic volatile organic compounds in the atmosphere over Russia I. Timkovsky et al. 10.1134/S0001433810030059
39. Turbulent exchange and segregation of HO&lt;sub&gt;x&lt;/sub&gt; radicals and volatile organic compounds above a deciduous forest R. Dlugi et al. 10.5194/acp-10-6215-2010
40. The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 1: Model description and characterization G. Wolfe & J. Thornton 10.5194/acp-11-77-2011
41. Photochemical modeling of glyoxal at a rural site: observations and analysis from BEARPEX 2007 A. Huisman et al. 10.5194/acp-11-8883-2011
42. Environmental controls on ozone fluxes in a poplar plantation in Western Europe D. Zona et al. 10.1016/j.envpol.2013.08.032
43. Eddy covariance fluxes and vertical concentration gradient measurements of NO and NO&lt;sub&gt;2&lt;/sub&gt; over a ponderosa pine ecosystem: observational evidence for within-canopy chemical removal of NO&lt;sub&gt;x&lt;/sub&gt; K. Min et al. 10.5194/acp-14-5495-2014
44. Sources and properties of Amazonian aerosol particles S. Martin et al. 10.1029/2008RG000280
45. BVOC ecosystem flux measurements at a high latitude wetland site T. Holst et al. 10.5194/acp-10-1617-2010
46. Forest-atmosphere exchange of ozone: sensitivity to very reactive biogenic VOC emissions and implications for in-canopy photochemistry G. Wolfe et al. 10.5194/acp-11-7875-2011
47. The Comparative Reactivity Method – a new tool to measure total OH Reactivity in ambient air V. Sinha et al. 10.5194/acp-8-2213-2008
48. PTR-MS study of esters in water and water/ethanol solutions: Fragmentation patterns and partition coefficients E. Aprea et al. 10.1016/j.ijms.2006.10.016
49. Induced BVOCs: how to bug our models? A. Arneth & Ü. Niinemets 10.1016/j.tplants.2009.12.004
50. Sensitive detection of &lt;i&gt;n&lt;/i&gt;-alkanes using a mixed ionization mode proton-transfer-reaction mass spectrometer O. Amador-Muñoz et al. 10.5194/amt-9-5315-2016
51. Emissions of terpenoids, benzenoids, and other biogenic gas-phase organic compounds from agricultural crops and their potential implications for air quality D. Gentner et al. 10.5194/acp-14-5393-2014
52. Isoprene and monoterpene measurements in a secondary forest in northern Benin J. Saxton et al. 10.5194/acp-7-4095-2007
53. Chemistry of secondary organic aerosol: Formation and evolution of low-volatility organics in the atmosphere J. Kroll & J. Seinfeld 10.1016/j.atmosenv.2008.01.003
54. Snowpack concentrations and estimated fluxes of volatile organic compounds in a boreal forest H. Aaltonen et al. 10.5194/bg-9-2033-2012
55. A novel fast gas chromatography method for higher time resolution measurements of speciated monoterpenes in air C. Jones et al. 10.5194/amt-7-1259-2014
56. New Evidence for the Importance of Non‐Stomatal Pathways in Ozone Deposition During Extreme Heat and Dry Anomalies A. Wong et al. 10.1029/2021GL095717
57. A primary generalized empirical model of BVOC emissions for some typical forests in China J. Bai & T. Duhl 10.1016/j.apr.2021.101126
58. Variability of hydroxyl radical (OH) reactivity in the Landes maritime pine forest: results from the LANDEX campaign 2017 S. Bsaibes et al. 10.5194/acp-20-1277-2020
59. Temperature-dependent ozonolysis kinetics of selected alkenes in the gas phase: an experimental and structure–activity relationship (SAR) study K. Leather et al. 10.1039/b919731a
60. OH Reactivity Measurements within a Boreal Forest: Evidence for Unknown Reactive Emissions V. Sinha et al. 10.1021/es101780b
61. Seasonal variations of biogenic secondary organic aerosol tracers in ambient aerosols from Alaska M. Haque et al. 10.1016/j.atmosenv.2015.09.075
62. Model sensitivity evaluation for organic carbon using two multi-pollutant air quality models that simulate regional haze in the southeastern United States R. Morris et al. 10.1016/j.atmosenv.2005.09.088
63. Theoretical study on the chemical formation mechanism of a β-myrcene ozonolysis reaction under atmospheric conditions Y. Zhao et al. 10.1139/v2012-050
64. Active Atmosphere-Ecosystem Exchange of the Vast Majority of Detected Volatile Organic Compounds J. Park et al. 10.1126/science.1235053
65. The effect of relative humidity on the detection of pyrrole by PTR-MS for OH reactivity measurements V. Sinha et al. 10.1016/j.ijms.2009.02.019
66. Emissions of isoprenoids and oxygenated biogenic volatile organic compounds from a New England mixed forest K. McKinney et al. 10.5194/acp-11-4807-2011
67. The formation, properties and impact of secondary organic aerosol: current and emerging issues M. Hallquist et al. 10.5194/acp-9-5155-2009
68. Ozone reactivity measurement of biogenic volatile organic compound emissions D. Helmig et al. 10.5194/amt-15-5439-2022
69. Seasonal variation in vertical volatile compounds air concentrations within a remote hemiboreal mixed forest S. Noe et al. 10.5194/acp-12-3909-2012
70. Chemical and isotopic composition of secondary organic aerosol generated by &lt;i&gt;α&lt;/i&gt;-pinene ozonolysis C. Meusinger et al. 10.5194/acp-17-6373-2017
71. Gas‐phase products and secondary aerosol yields from the ozonolysis of ten different terpenes A. Lee et al. 10.1029/2005JD006437
72. Biogenic volatile compound emissions from a temperate forest, China: model simulation J. Bai et al. 10.1007/s10874-015-9315-3
73. COMPASS – COMparative Particle formation in the Atmosphere using portable Simulation chamber Study techniques B. Bonn et al. 10.5194/amt-6-3407-2013
74. Biogenic volatile organic compound emissions during BEARPEX 2009 measured by eddy covariance and flux–gradient similarity methods J. Park et al. 10.5194/acp-14-231-2014
75. Formaldehyde emission and uptake by Mediterranean trees Quercus ilex and Pinus halepensis R. Seco et al. 10.1016/j.atmosenv.2008.07.006
76. Reactive oxidation products promote secondary organic aerosol formation from green leaf volatiles J. Hamilton et al. 10.5194/acp-9-3815-2009
77. Uptake and emission of VOCs near ground level below a mixed forest at Borden, Ontario M. Gordon et al. 10.5194/acp-14-9087-2014
78. Observations of atmosphere-biosphere exchange of total and speciated peroxynitrates: nitrogen fluxes and biogenic sources of peroxynitrates K. Min et al. 10.5194/acp-12-9763-2012
79. Measurements of total hydroxyl radical reactivity during CABINEX 2009 – Part 1: field measurements R. Hansen et al. 10.5194/acp-14-2923-2014
80. Gas phase formation of extremely oxidized pinene reaction products in chamber and ambient air M. Ehn et al. 10.5194/acp-12-5113-2012
81. Secondary organic aerosol formation and composition from the photo-oxidation of methyl chavicol (estragole) K. Pereira et al. 10.5194/acp-14-5349-2014
82. Direct measurement of particle formation and growth from the oxidation of biogenic emissions T. VanReken et al. 10.5194/acp-6-4403-2006
83. Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons W. Choi et al. 10.5194/acp-10-8761-2010
84. Seasonal cycles of biogenic volatile organic compound fluxes and concentrations in a California citrus orchard S. Fares et al. 10.5194/acp-12-9865-2012
85. Missing peroxy radical sources within a summertime ponderosa pine forest G. Wolfe et al. 10.5194/acp-14-4715-2014
86. Observation of Secondary Organic Aerosol and New Particle Formation at a Remote Site in Baengnyeong Island, Korea J. Choi et al. 10.5572/ajae.2017.11.4.300
87. Vertical Variations in Biogenic Organic Nitrates at Two Temperate Forest Sites D. Wei et al. 10.1021/acsestair.4c00123
88. Plant surface reactions: an opportunistic ozone defence mechanism impacting atmospheric chemistry W. Jud et al. 10.5194/acp-16-277-2016
89. Influence of meteorology and anthropogenic pollution on chemical flux divergence of the NO–NO&lt;sub&gt;2&lt;/sub&gt;–O&lt;sub&gt;3&lt;/sub&gt; triad above and within a natural grassland canopy D. Plake et al. 10.5194/bg-12-945-2015
90. Structure–activity relationship (SAR) for the gas-phase ozonolysis of aliphatic alkenes and dialkenes M. McGillen et al. 10.1039/b715394e
91. First direct measurements of formaldehyde flux via eddy covariance: implications for missing in-canopy formaldehyde sources J. DiGangi et al. 10.5194/acp-11-10565-2011
92. Characterization of crucial fragments during the nucleation and growth of secondary organic aerosol from the high-NO photo-oxidation of α-pinene P. Zhang et al. 10.1016/j.atmosenv.2019.05.007
93. Contribution of human-related sources to indoor volatile organic compounds in a university classroom S. Liu et al. 10.1111/ina.12272
94. Within-canopy sesquiterpene ozonolysis in Amazonia K. Jardine et al. 10.1029/2011JD016243
95. Measurement of atmospheric sesquiterpenes by proton transfer reaction-mass spectrometry (PTR-MS) S. Kim et al. 10.5194/amt-2-99-2009
96. Investigation of ozone deposition to vegetation under warm and dry conditions near the Eastern Mediterranean coast Q. Li et al. 10.1016/j.scitotenv.2018.12.272
97. Atmospheric composition change – global and regional air quality P. Monks et al. 10.1016/j.atmosenv.2009.08.021
98. In-situ ambient quantification of monoterpenes, sesquiterpenes, and related oxygenated compounds during BEARPEX 2007: implications for gas- and particle-phase chemistry N. Bouvier-Brown et al. 10.5194/acp-9-5505-2009
99. Ozone fluxes in a Pinus ponderosa ecosystem are dominated by non-stomatal processes: Evidence from long-term continuous measurements S. Fares et al. 10.1016/j.agrformet.2010.01.007
100. Online analysis of secondary organic aerosols from OH-initiated photooxidation and ozonolysis of α-pinene, β-pinene, Δ3-carene and d-limonene by thermal desorption–photoionisation aerosol mass spectrometry W. Fang et al. 10.1071/EN16128
101. Terpenylic Acid and Related Compounds from the Oxidation of α-Pinene: Implications for New Particle Formation and Growth above Forests M. Claeys et al. 10.1021/es9007596
102. Collision induced dissociation in a flowing afterglow-tandem mass spectrometer for the selective detection of C5 unsaturated alcohols and isoprene J. Rimetz-Planchon et al. 10.1016/j.ijms.2009.09.008
103. Methyl chavicol: characterization of its biogenic emission rate, abundance, and oxidation products in the atmosphere N. Bouvier-Brown et al. 10.5194/acp-9-2061-2009
104. Hygroscopicity of secondary organic aerosols formed by oxidation of cycloalkenes, monoterpenes, sesquiterpenes, and related compounds V. Varutbangkul et al. 10.5194/acp-6-2367-2006
105. High temporal resolution measurements of ozone precursors in a rural background station. A two-year study M. Navazo et al. 10.1007/s10661-007-9720-4
106. Contributions of biogenic volatile organic compounds to net ecosystem carbon flux in a ponderosa pine plantation N. Bouvier-Brown et al. 10.1016/j.atmosenv.2012.06.070
107. Secondary organic aerosol formation from the oxidation of a series of sesquiterpenes: α-cedrene, β-caryophyllene, α-humulene and α-farnesene with O3, OH and NO3 radicals M. Jaoui et al. 10.1071/EN13025
108. Organic carbon at a remote site of the western Mediterranean Basin: sources and chemistry during the ChArMEx SOP2 field experiment V. Michoud et al. 10.5194/acp-17-8837-2017
109. The Role of Ozone-reactive Compounds, Terpenes, and Green Leaf Volatiles (GLVs), in the Orientation of Cotesia plutellae D. Pinto et al. 10.1007/s10886-007-9376-0
110. Ozone Degrades Common Herbivore-Induced Plant Volatiles: Does This Affect Herbivore Prey Location by Predators and Parasitoids? D. Pinto et al. 10.1007/s10886-007-9255-8
111. Biogenic Hydrocarbon Chemistry within and Above a Mixed Deciduous Forest J. Fuentes et al. 10.1007/s10874-006-9048-4
112. Ozone deposition into a boreal forest over a decade of observations: evaluating deposition partitioning and driving variables Ü. Rannik et al. 10.5194/acp-12-12165-2012
113. Towards a quantitative understanding of total OH reactivity: A review Y. Yang et al. 10.1016/j.atmosenv.2016.03.010
114. Transport-driven aerosol differences above and below the canopy of a mixed deciduous forest A. Bui et al. 10.5194/acp-21-17031-2021
115. Aerosol dynamics within and above forest in relation to turbulent transport and dry deposition Ü. Rannik et al. 10.5194/acp-16-3145-2016
116. Approaches for quantifying reactive and low-volatility biogenic organic compound emissions by vegetation enclosure techniques – Part A J. Ortega & D. Helmig 10.1016/j.chemosphere.2007.11.020
117. Emission characteristics of air pollutants from incense and candle burning in indoor atmospheres A. Manoukian et al. 10.1007/s11356-012-1394-y
118. Pine monoterpenes and pine bark beetles: a marriage of convenience for defense and chemical communication S. Seybold et al. 10.1007/s11101-006-9002-8
119. Measurements of volatile organic compounds in the earth's atmosphere using proton‐transfer‐reaction mass spectrometry J. de Gouw & C. Warneke 10.1002/mas.20119
120. Modelling atmospheric OH-reactivity in a boreal forest ecosystem D. Mogensen et al. 10.5194/acp-11-9709-2011
121. Formaldehyde distribution over North America: Implications for satellite retrievals of formaldehyde columns and isoprene emission D. Millet et al. 10.1029/2005JD006853
122. Direct measurement of NO&lt;sub&gt;3&lt;/sub&gt; radical reactivity in a boreal forest J. Liebmann et al. 10.5194/acp-18-3799-2018
123. Vertical advection and nocturnal deposition of ozone over a boreal pine forest Ü. Rannik et al. 10.5194/acp-9-2089-2009
124. Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016 D. Sanchez et al. 10.5194/acp-21-6331-2021
125. Methyl chavicol reactions with ozone, OH and NO3 radicals: Rate constants and gas-phase products Y. Gai et al. 10.1016/j.atmosenv.2013.05.041
126. Sources and chemical characterization of organic aerosol during the summer in the eastern Mediterranean E. Kostenidou et al. 10.5194/acp-15-11355-2015
127. Simultaneous Measurements of O3 and HCOOH Vertical Fluxes Indicate Rapid In‐Canopy Terpene Chemistry Enhances O3 Removal Over Mixed Temperate Forests M. Vermeuel et al. 10.1029/2020GL090996
128. Quantifying sesquiterpene and oxygenated terpene emissions from live vegetation using solid-phase microextraction fibers N. Bouvier-Brown et al. 10.1016/j.chroma.2007.05.094
129. Volatile organic compound speciation above and within a Douglas fir forest N. Copeland et al. 10.1016/j.atmosenv.2014.04.035
130. Ozone flux and ozone deposition in a mountain spruce forest are modulated by sky conditions S. Juráň et al. 10.1016/j.scitotenv.2019.03.491
131. The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1): an extended and updated framework for modeling biogenic emissions A. Guenther et al. 10.5194/gmd-5-1471-2012
132. OH reactivity and concentrations of biogenic volatile organic compounds in a Mediterranean forest of downy oak trees N. Zannoni et al. 10.5194/acp-16-1619-2016
133. On the flux of oxygenated volatile organic compounds from organic aerosol oxidation A. Kwan et al. 10.1029/2006GL026144
134. Spatial distribution of isoprene emissions from North America derived from formaldehyde column measurements by the OMI satellite sensor D. Millet et al. 10.1029/2007JD008950
135. Methanol as a signal triggering isoprenoid emissions and photosynthetic performance in Quercus ilex R. Seco et al. 10.1007/s11738-011-0782-0
136. Insights into hydroxyl measurements and atmospheric oxidation in a California forest J. Mao et al. 10.5194/acp-12-8009-2012
137. Simulating atmospheric composition over a South-East Asian tropical rainforest: performance of a chemistry box model T. Pugh et al. 10.5194/acp-10-279-2010
138. Chemical processing within and above a loblolly pine forest in North Carolina, USA X. Hu et al. 10.1007/s10874-013-9276-3
139. Spatiotemporal Controls on Observed Daytime Ozone Deposition Velocity Over Northeastern U.S. Forests During Summer O. Clifton et al. 10.1029/2018JD029073
140. Origins and composition of fine atmospheric carbonaceous aerosol in the Sierra Nevada Mountains, California D. Worton et al. 10.5194/acp-11-10219-2011
141. UV-induced emissions of C2 - C5 hydrocarbons from leaf litter L. Derendorp et al. 10.1071/EN11024
142. Direct ecosystem fluxes of volatile organic compounds from oil palms in South-East Asia P. Misztal et al. 10.5194/acp-11-8995-2011
143. Role of canopy‐scale photochemistry in modifying biogenic‐atmosphere exchange of reactive terpene species: Results from the CELTIC field study C. Stroud et al. 10.1029/2005JD005775
144. A simple model for simulation of insect pheromone dispersion within forest canopies T. Strand et al. 10.1016/j.ecolmodel.2008.11.018
145. Forest thinning experiment confirms ozone deposition to forest canopy is dominated by reaction with biogenic VOCs A. Goldstein et al. 10.1029/2004GL021259
146. Atmospheric aerosol light scattering and surface wetness influence the diurnal pattern of net ecosystem exchange in a semi-arid ponderosa pine plantation L. Misson et al. 10.1016/j.agrformet.2004.11.008