Articles - peer review (ISI)

• 2024
• 2023
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002

2024

• Wali, Emal; Tasumi, Masahiro; Klemm, Otto. 2024. ‘Estimation of evapotranspiration in south eastern Afghanistan using the GCOM-C algorithm on the basis of Landsat satellite imagery.’ Hydrology 2024, Nr. 11: 95. doi: 10.3390/hydrology11070095.

2023

• Forner, Jan; Schaller, Carsten; Klemm Otto. 2023. ‘Methane Emission from a Small Lake after Artificially Created Ebullition.’ Wetlands 43: 41. doi: 10.1007/s13157-023-01685-4.
• Breuer, B; Lin, N-H; Tseng, W; Lai, Y-J; Klemm, O. 2023. ‘Short Sampling Periods: A New Setup to Evaluate the Change in the Chemical Composition of Fog at High Time Resolution.’ Tellus B 75, Nr. 1: 33–46. doi: 10.16993/tellusb.35.

2022

• Schaller C, Hofer B, Klemm O. 2022. ‘Greenhouse gas exchange of a NW German peatland, 18 years after rewetting.’ Journal of Geophysical Research: Biogeosciences 127, Nr. e2020JG005960. doi: 10.1029/2020JG005960.
• Ehrnsperger L, Klemm O. 2022. ‘Air pollution in an urban street canyon: Novel insights from highly resolved traffic information and meteorology.’ Atmospheric Environment X 13. doi: 10.1016/j.aeaoa.2022.100151.
• Klemm O, Ahrens A, Arnswald M, Bethke R, Berger DF, Blankenhaus K, Blauth L, Breuer B, Buchholz S, Burek F, Ehrnsperger L, Funken S, Henninger E, Hohl J, Jöllenbeck N, Kirgasser P, Kuhls M, Paas B, Roters LA, Schaller C, Schlüter H. 2022. ‘The Impact of Traffic and Meteorology on Urban Particle Mass and Particle Number Concentrations: Student-Led Studies Using Mobile Measurements before, during, and after the COVID-19 Pandemic Lockdowns.’ Atmosphere 13: 62. doi: 10.3390/atmos13010062.
• Fuchte HE, Paas B, Auer F, Bayer V J, Achten C, Schäffer A, Smith K EC. 2022. ‘Identification of sites with elevated PM levels along an urban cycle path using a mobile platform and the analysis of 48 particle bound PAH.’ Atmospheric Environment 271: 118912. doi: j.atmosenv.2021.118912.
• Kohler, F, K; Schaller, C; Klemm, O. 2022. ‘Quantification of Urban Methane Emissions: A Combination of Stationary with Mobile Measurements.’ Atmosphere 13: 1596. doi: 10.3390/atmos13101596.

2021

• Breuer B, Klemm O, Lai Y-J, Lin P-H, Meyer H, Nieberding F, Song Q-H. 2021. ‘Up and down: Bidirectional fluxes of fog droplets at two subtropical mountain forest sites,.’ Journal of Hydrology 601: 126491. doi: 10.1016/j.jhydrol.2021.126491.
• Fritz J, Meyer, H, Tseng, W, Lin, N-H, Klemm, O. 2021. ‘Covariation of droplet size distribution and air humidity in fog: A methodological approach.’ Journal of Hydrology 594: 125934. doi: 10.1016/j.jhydrol.2020.125934.
• Esders, Eike, M; Klemm, Otto; Breuer, Bettina; Lai, Yen-Jen; Yu, Jui.Chu; Lai, I-Ling. 2021. ‘Use of a flexible chamber to measure stem respiration.’ Trees 35: 319–323. doi: 10.1007/s00468-020-02009-3.
• Oliveira BRF, Schaller C, Keizer JJ, Foken T. 2021. ‘Estimating Immediate Post-Fire Carbon Fluxes Using the Eddy-Covariance Technique.’ Biogeosciences 18: 285–302. doi: 10.5194/bg-18-285-2021.
• Baumberger, M; Breuer, B; Lai, Y-J; Gabyshev, D; Klemm, O. 2021. ‘Bidirectional Turbulent Fluxes of Fog at a Subtropical Montane Cloud Forest Covering a Wide Size Range of Droplets.’ Boundary-Layer Meteorology 2021. doi: 10.1007/s10546-021-00654-w.
• Biehl JL, Paas B, Klemm O. 2021. ‘Ventilation of a Mid-Size City under Stable Boundary Layer Conditions: A Simulation Using the LES Model PALM.’ Atmosphere 12, Nr. 401. doi: 10.3390/atmos12030401.
• Wiedenhaus H, Ehrnsperger L, Klemm O, Strauss H. 2021. ‘Stable 15N isotopes in fine and coarse urban particulate matter.’ Aerosol Science and Technology 2021. doi: 10.1080/02786826.2021.1905150.

2020

• Maneke-Fiegenbaum F; Heupel Santos, S; Klemm, O; Yu, J-C; Chiang, P N; Lai, Y-J. 2020. ‘Carbon Dioxide Fluxes of a Young Deciduous Afforestation Under the Influence of Seasonal Precipitation Patterns and Frequent Typhoon Occurrence.’ Journal of Geophysical Research: Biogeosciences 999. doi: 10.1029/2020JG005996.
• Ehrnsperger L, Klemm, O. 2020. ‘Source Apportionment of Urban Ammonia and its Contribution to Secondary Particle Formation in a Mid-size European City.’ Aerosol and Air Quality Research 21, Nr. 5. doi: 10.4209/aaqr.2020.07.0404.
• Mühlig A C; Klemm O; Gonçalves F L T. 2020. ‘Fog, Temperature and Air Quality Over the Metropolitan Area of São Paulo: a Trend Analysis from 1998 to 2018.’ Water, Air, & Soil Pollution 243, Nr. 535. doi: 10.1007/s11270-020-04902-6.
• Segalin, B, Fornaro, A, Kumar, P, Klemm, O, Andrade, M F, Trezza, B M, Busse, A, Filho, W J, Gonçalves, F L T. 2020. ‘Chemical Composition of Quasi-ultrafine Particles and their Sources in Elderly Residences of São Paulo Megacity.’ Aerosol and Air Quality Research 20: 1002–1015. doi: 10.4209/aaqr.2019.09.0462.
• Goulier, L, Paas, B, Ehrnsperger, L, Klemm, O. 2020. ‘Modelling of Urban Air Pollutant Concentrations with Artificial Neural Networks Using Novel Input Variables.’ International journal of environmental research and public health 17, Nr. 2025. doi: 10.3390/ijerph17062025.
• Paas, B, Zimmermann, T, Klemm, O. 2020. ‘Analysis of a turbulent wind field in a street canyon: Good agreement between LES model results and data from a mobile platform.’ Meteorologische Zeitschrift (Contrib. Atm. Sci.) 2020. doi: 10.1127/metz/2020/1006.
• Gabyshev D N; Fedorets A A; Klemm O. 2020. ‘Condensational Growth of Water Droplets in an External Electric Field at Different Temperatures.’ Aerosol Science and Technology 54, Nr. 12: 1556–1566. doi: 10.1080/02786826.2020.1804522.
• Carreras H, Ehrnsperger L, Klemm O, Paas B. 2020. ‘Cyclists’ exposure to air pollution: in situ evaluation with a cargo bike platform. .’ Environ Monit Assess 192: 470. doi: 10.1007/s10661-020-08443-7.
• Giuffrida L, Lokys H L, Klemm, O. 2020. ‘Assessing the effect of weather on human outdoor perception using Twitter.’ International Journal of Biometeorology 64: 205–216. doi: 10.1007/s00484-018-1574-7.

2019

• Berger S, Braeckevelt E, Blodau C, Burger M, Goebel M, Klemm O, Knorr K-H, Wagner-Riddle C. 2019. ‘A 1-year greenhouse gas budget of a peatland exposed to long-term nutrient infiltration and altered hydrology: high carbon uptake and methane emission.’ Environmental Monitoring and Assessment 191, Nr. 533. doi: 10.1007/s10661-019-7639-1.
• Gabyshev, D N, Fedorets, A A, Aktaev, N E, Klemm, O, Andreev, S N. 2019. ‘Acceleration of the condensational growth of water droplets in an external electric field.’ Journal of Aerosol Science 135: 103–112. doi: 10.1016/j.jaerosci.2019.06.002.
• Meyer, H. Deventer, M J , Zhao, J, Klemm, O. 2019. ‘CO2 emissions from cities: Indirect budget approach versus direct flux measurement.’ Meteorologische Zeitschrift (Contrib. Atm. Sci.) 28: 379–387. doi: 10.1127/metz/2019/0869.
• Maurer, M, Klemm, O, Lokys, H L , Lin, N-H. 2019. ‘Trends of Fog and Visibility in Taiwan: Climate Change or Air Quality Improvement? .’ Aerosol and Air Quality Research 19: 896–910. doi: 10.4209/aaqr.2018.04.0152.
• Schaller C, Kittler F, Foken T, Göckede M. 2019. ‘Characterisation of Short-Term Extreme Methane Fluxes Related to Non-Turbulent Mixing above an Arctic Permafrost Ecosystem.’ Atmospheric Chemistry and Physics 19, Nr. 6: 4041–4059. doi: 10.5194/acp-19-4041-2019.
• Göckede M, Kittler F, Schaller C. 2019. ‘Quantifying the Impact of Emission Outbursts and Non-Stationary Flow on Eddy Covariance CH4 Flux Measurements Using Wavelet Techniques.’ Biogeosciences Discussions 16: 3113–3131. doi: 10.5194/bg-16-3113-2019.

2018

• Nieberding F., Breuer B., Braeckevelt E., Klemm O., Song Q., Zhang Y. 2018. ‘Fog water chemical composition on ailaoshan mountain, Yunnan province, SW China.’ Aerosol and Air Quality Research 18, Nr. 1: 37–48. doi: 10.4209/aaqr.2017.01.0060.
• Maneke-Fiegenbaum, F, Klemm, O, Lai, Y-J, Hung, C-Y, Yu, J-C. 2018. ‘Carbon exchange between the atmosphere and a subtropical evergreen mountain forest in Taiwan.’ Advances in Meteorology 2018, Nr. 9287249. doi: 10.1155/2018/9287249.

2017

• Lokys HL, Junk J, Krein A. 2017. ‘Short-term effects of air quality and thermal stress on non-accidental morbidity—a multivariate meta-analysis comparing indices to single measures.’ International Journal of Biometeorology Students and New Professionals 2015: 1–11. doi: 10.1007/s00484-017-1326-0DO-10.1007/s00484-017-1326-0.
• Song Q., Braeckevelt E., Zhang Y., Sha L., Zhou W., Liu Y., Wu C., Lu Z., Klemm O. 2017. ‘Evapotranspiration from a primary subtropical evergreen forest in Southwest China.’ Ecohydrology 10, Nr. 4. doi: 10.1002/eco.1826.
• Peitzmeier C., Loschke C., Wiedenhaus H., Klemm O. 2017. ‘Real-world vehicle emissions as measured by in situ analysis of exhaust plumes.’ Environmental Science and Pollution Research 24, Nr. 29: 23279–23289. doi: 10.1007/s11356-017-9941-1.
• Philipp K., Juang J., Deventer M., Klemm O. 2017. ‘Methane Emissions from a Subtropical Grass Marshland, Northern Taiwan.’ Wetlands 37, Nr. 6: 1145–1157. doi: 10.1007/s13157-017-0947-8.
• El-Madany T., Niklasch K., Klemm O. 2017. ‘Stomatal and non-stomatal turbulent deposition flux of ozone to a managed peatland.’ Atmosphere 8, Nr. 9. doi: 10.3390/atmos8090175.
• Schulz A, Schaller C, Maturilli M, Boike J, Ritter C, Foken T. 2017. ‘Surface Energy Fluxes during the Total Solar Eclipse over Ny-Ålesund, Svalbard, on 20 March 2015.’ Meteorologische Zeitschrift 26, Nr. 4: 431–440. doi: 10.1127/metz/2017/0846.
• Schaller C, Göckede M, Foken T. 2017. ‘Flux calculation of short turbulent events -- comparison of three methods.’ Atmospheric Measurement Techniques 10, Nr. 3: 869–880. doi: 10.5194/amt-10-869-2017.

2016

• Lokys, HL. 2016. The Combined Impact of Air Pollution and Thermal Stress on Human Morbidity Dissertationsschrift, Universität Münster.
• El-Madany T., Walk J., Deventer M., Degefie D., Chang S., Juang J., Griessbaum F., Klemm O. 2016. ‘Canopy-atmosphere interactions under foggy condition-Size-resolved fog droplet fluxes and their implications.’ Journal of Geophysical Research: Biogeosciences 121, Nr. null: 796–808. doi: 10.1002/2015JG003221. [online first]
• Stader C., Deventer M.J., Klemm O., Achten C. 2016. ‘Turbulent transport of particle-bound PAHs: A feasibility study combining GC-APLI-MS and eddy covariance.’ Atmospheric Pollution Research 7: 603–610. doi: 10.1016/j.apr.2016.02.005.
• Fleischer Elisa, Khashimov Ilhom, Hölzel Norbert, Klemm Otto. 2016. ‘Carbon exchange fluxes over peatlands in Western Siberia: Possible feedback between land-use change and climate change.’ Science of the Total Environment 545-546: 424–433. doi: 10.1016/j.scitotenv.2015.12.073.

2015

• Klemm O, Tseng W-T, Lin C-C, Klemm K I, Lin, N-H. 2015. ‘pH Control in Fog and Rain in East Asia: Temporal Advection of Clean Air Masses to Mt. Bamboo, Taiwan.’ Atmosphere 6: 1785–1800.
• Lokys H., Junk J., Krein A. 2015. ‘Making air quality indices comparable - Assessment of 10 years of air pollutant levels in western Europe.’ International Journal of Environmental Health Research 25, Nr. 1: 52–66. doi: 10.1080/09603123.2014.893568.
• Lokys H., Junk J., Krein A. 2015. ‘Future changes in human-biometeorological index classes in three regions of Luxembourg, Western-Central Europe.’ Advances in Meteorology 2015, Nr. null. doi: 10.1155/2015/323856.
• Fleischer Elisa, Bölter Jana, Klemm Otto. 2015. ‘Summer evapotranspiration in western Siberia: a comparison between eddy covariance and Penman method formulations.’ Hydrological Processes 29, Nr. 20: 4498–4513. doi: 10.1002/hyp.10517.
• Deventer M., El-Madany T., Griessbaum F., Klemm O. 2015. ‘One-year measurement of size-resolved particle fluxes in an urban area.’ Tellus B 67, Nr. 1. doi: 10.3402/tellusb.v67.25531.
• Fleischer E., Bölter J., Klemm O. 2015. ‘Summer evapotranspiration in western Siberia: A comparison between eddy covariance and Penman method formulations.’ Hydrological Processes 29, Nr. 20: 4498–4513. doi: 10.1002/hyp.10517.
• Deventer M., Held A., El-Madany T., Klemm O. 2015. ‘Size-resolved eddy covariance fluxes of nucleation to accumulation mode aerosol particles over a coniferous forest.’ Agricultural and Forest Meteorology null, Nr. null: 328–340. doi: 10.1016/j.agrformet.2015.08.261.
• Simon S, Klemm O, El-Madany T, Walk J, Amelung K, Lin P-H, Chang S-C, Engling G, Hsu S-C, Wey T-H, Wang Y-N, Lee Y-C. 2015. ‘Chemical composition of fog water at four sites in Taiwan.’ Aerosol and Air Quality Research 16: 618–631. doi: 10.4209/aaqr.2015.03.0154.
• Klemm O, Lin N-H. 2015. ‘What Causes Observed Fog Trends: Air Quality or Climate Change?’ Aerosol and Air Quality Research 16: 1131–1142. doi: 10.4209/aaqr.2015.05.0353. [online first]
• Degefie D., El-Madany T., Held M., Hejkal J., Hammer E., Dupont J., Haeffelin M., Fleischer E., Klemm O. 2015. ‘Fog chemical composition and its feedback to fog water fluxes, water vapor fluxes, and microphysical evolution of two events near Paris.’ Atmospheric Research null, Nr. null: 328–338. doi: 10.1016/j.atmosres.2015.05.002.
• Deventer M, El-Madany T, Griessbaum F, Klemm O. 2015. ‘One-year measurement of size-resolved particle fluxes in an urban area.’ Tellus B 67. doi: 10.3402/tellusb.v67.25531.
• Degefie D.T., El-Madany T.-S., Hejkal J., Held M., Dupont J.-C., Haeffelin M., Klemm O. 2015. ‘Microphysics and energy and water fluxes of various fog types at SIRTA, France.’ Atmospheric Research 151, Nr. null: 162–175. doi: 10.1016/j.atmosres.2014.03.016.

2014

• El-Madany, TS, Duarte, HF, Durden, DJ, Paas, B., Deventer, MJ, Juang, JY, Leclerc, MY, Klemm, O. 2014. ‘Low-level jets and above canopy drainage as causes for turbulent exchange in the nocturnal boundary layer.’ Biogeosciences 11: 4507–4519. doi: 10.5194/bg-11-4507-2014.
• Degefie D.T., Fleischer E., Klemm O., Soromotin A.V., Soromotina O.V., Tolstikov A.V., Abramov N.V. 2014. ‘Climate extremes in South Western Siberia: past and future.’ Stochastic Environmental Research and Risk Assessment 28, Nr. null: 2161–2173. doi: 10.1007/s00477-014-0872-9.

2013

• Gerharz LE, Klemm O, Broich AV, Pebesma E. 2013. ‘Spatio-temporal modelling of individual exposure to air pollution and its uncertainty.’ Atmospheric Environment 64: 56–65. doi: 10.1016/j.atmosenv.2012.09.069.
• Deventer M.J., Griessbaum F., Klemm O. 2013. ‘Size-resolved flux measurement of sub-micrometer particles over an urban area.’ Meteorologische Zeitschrift 22, Nr. 6: 729–737. doi: 10.1127/0941-2948/2013/0441.
• Chu H-S, Chang S-C, Klemm O, Lai C-W, Lin Y-Z, Wu C-C, Lin J-Y, Jiang J-Y, Chen J, Gottgens JF, Hsia Y-J. 2013. ‘Does canopy wetness matter? Evapotranspiration from a subtropical montane cloud forest in Taiwan.’ Hydrological Processes 27. doi: 10.1002/hyp.9662.
• El-Madany TS, Griessbaum F, Fratini G, Juang J-Y, Chang S-C, Klemm O. 2013. ‘Comparison of sonic anemometer performance under foggy conditions.’ Agricultural and Forest Meteorology 173: 63–73. doi: 10.1016/j.agrformet.2013.01.005.
• Nickel C, Kaminski H, Hellack B, Quass U, John A, Klemm O, Kuhlbusch TAJ. 2013. ‘Size resolved particle number emission factors of motorway traffic differentiated between heavy and light duty vehicles.’ Aerosol and Air Quality Research 13, Nr. 2: 450–461. doi: 10.4209/aaqr.2012.07.0187.
• Kroll A, Gietl JK, Wiesmüller GA, Günsel A, Wohlleben W, Schnekenburger J, Klemm O. 2013. ‘In vitro toxicology of ambient particulate matter: correlation of cellular effects with particle size and components.’ Environ Toxicol 28, Nr. 2: 76–86. doi: 10.1002/tox.20699.

2012

• Schmidt A, Law B E , Hanson C, Klemm O. 2012. ‘Global Patterns of Strong Positive and Negative Shifts of Seasons over the Last 6 Decades.’ Atmospheric and Climate Sciences 2: 76–88. doi: 10.4236/acs.2012.21009.
• Büns C, Klemm O, Wurzler S, Hebbinghaus H, Steckelbach I, Friesel J, Ebel A, Jakobs H, Memmesheimer M. 2012. ‘Comparison of four years of air pollution data with a mesoscale model.’ Atmospheric Research 118: 404–417. doi: 10.1016/j.atmosres.2012.07.009.
• Klemm O, Schemenauer RS, Lummerich A, Cereceda P, Marzol V, Corell D, van Heerden J, Reinhard D, Gherezghiher T, Olivier J, Osses P, Sarsour J, Frost E, Estrela MJ, Valiente JA, Fessehaye GM. 2012. ‘Fog as a fresh-water resource: overview and perspectives.’ AMBIO: A Journal of the Human Environment 41, Nr. 3: 221. doi: 10.1007/s13280-012-0247-8.
• Broich AV, Gerharz LE, Klemm O. 2012. ‘Personal monitoring of exposure to particulate matter with a high temporal resolution.’ Environmental Science and Pollution Research 19, Nr. 7: 2959. doi: 10.1007/s11356-012-0806-3.

2011

• Bendix J, Eugster W, Klemm O. 2011. ‘Fog-boon or bane?’ Erdkunde 65, Nr. 3: 229–232. doi: 10.3112/erdkunde.2011.03.01.
• Katata G, Nagai H, Zhang L, Held A, Serca D, Klemm O. 2011. ‘Development of an Atmosphere-Soil-Vegetation Model for Investigation of Radioactive Materials Transport in the Terrestrial Biosphere.’ Progress in nuclear science and technology 2: 530–537.
• Gonser S, Klemm O, Griessbaum F, Chang S-C, Chu H-S, Hsia Y-J. 2011. ‘The Relation Between Humidity and Liquid Water Content in Fog: An Experimental Approach.’ Pure and Applied Geophysics 2011, Nr. 169: 640–646. doi: 10.1007/s00024-011-0270-x.
• Beuck H, Quass U, Klemm O, Kuhlbusch TAJ. 2011. ‘Assessment of sea salt and mineral dust contributions to PM10 in NW Germany using tracer models and Positive Matrix Factorization.’ Atmospheric Environment 45, Nr. 32: 5813–5821. doi: 10.1016/j.atmosenv.2011.07.010.
• Langner C, Klemm O. 2011. ‘A comparison of model performance between AERMOD and AUSTAL2000.’ Journal of the Air and Waste Management Association 61, Nr. 6: 640. doi: 10.3155/1047-3289.61.6.640.

2010

• Griessbaum F, Moat BI, Narita Y, Yelland MJ, Klemm O, Uematsu M. 2010. ‘Uncertainties in wind speed dependent CO2 transfer velocities due to airflow distortion at anemometer sites on ships.’ Atmospheric Chemistry and Physics 10, Nr. 11: 5123–5133. doi: 10.5194/acp-10-5123-2010.
• Sträter E, Westbeld A, Klemm O. 2010. ‘Pollution in coastal fog at Alto Patache, Northern Chile.’ Environmental Science and Pollution Research 17, Nr. 9: 1563–1573. doi: 10.1007/s11356-010-0343-x.
• Klemm O, Ziemba LD, Griffin RJ, Sive BC, Whitlow S, Carpenter K, Klemm KI, Talbot R. 2010. ‘A detailed aerosol particle plume analysis.’ Journal of Geophysical Research 115: D21211. doi: 10.1029/2010JD014153.
• Dahlkötter F, Griessbaum F, Schmidt A, Klemm O. 2010. ‘Direct measurement of CO2 and particle emissions from an urban area.’ Meteorologische Zeitschrift 19, Nr. 6: 565–575. doi: 10.1127/0941-2948/2010/0492.

2009

• Westbeld A, Klemm O, Griessbaum F, Strater E, Larrain H, Osses P, Cereceda P. 2009. ‘Fog deposition to a Tillandsia carpet in the Atacama Desert.’ Annales Geophysicae 27, Nr. 9: 3571–3576. doi: 10.5194/angeo-27-3571-2009.
• Harsch N, Brandenburg M, Klemm O. 2009. ‘Large-scale lysimeter site St. Arnold, Germany: analysis of 40 years of precipitation, leachate and evapotranspiration.’ Hydrology and Earth System Sciences 13, Nr. 3: 305–317. doi: 10.5194/hess-13-305-2009.
• Gietl JK, Klemm O. 2009. ‘Source Identification of Size-Segregated Aerosol in Munster, Germany, by Factor Analysis.’ Aerosol Science and Technology 43, Nr. 8: 828–837. doi: 10.1080/02786820902953923.
• El-Madany T, Geiß H, Schmidt A, Klemm O. 2009. ‘Regionalization of turbulent fluxes by combining aircraft measurements with footprint analysis.’ Regionalization of turbulent fluxes by combining aircraft measurements with footprint analysis 6: 7017–7051.
• Mildenberger K, Beiderwieden E, Hsia YJ, Klemm O. 2009. ‘CO2 and water vapor fluxes above a subtropical mountain cloud forest-The effect of light conditions and fog.’ Agricultural and Forest Meteorology 149, Nr. 10: 1730–1736. doi: 10.1016/j.agrformet.2009.06.004.
• Gerharz LE, Kruger A, Klemm O. 2009. ‘Applying indoor and outdoor modeling techniques to estimate individual exposure to PM2.5 from personal GPS profiles and diaries: A pilot study.’ Science of the Total Environment 407, Nr. 18: 5184–5193. doi: 10.1016/j.scitotenv.2009.06.006.
• Gietl JK, Klemm O. 2009. ‘Analysis of Traffic and Meteorology on Airborne Particulate Matter in Munster, Northwest Germany.’ Journal of the Air and Waste Management Association 59, Nr. 7: 809–818.

2008

• Schmidt A, Klemm O. 2008. ‘Direct determination of highly size-resolved turbulent particle fluxes with the disjunct eddy covariance method and a 12-stage electrical low pressure impactor.’ Atmospheric Chemistry and Physics 8, Nr. 24: 7405–7417. doi: 10.5194/acp-8-7405-2008.
• Beiderwieden E, Wolff V, Hsia YJ, Klemm O. 2008. ‘It goes both ways: measurements of simultaneous evapotranspiration and fog droplet deposition at a montane cloud forest.’ Hydrological Processes 22, Nr. 21: 4181–4189. doi: 10.1002/hyp.7017.
• Katata G, Nagai H, Wrzesinsky T, Klemm O, Eugster W, Burkard R. 2008. ‘Development of a land surface model including cloud water deposition on vegetation.’ Journal of Applied Meteorology and Climatology 47, Nr. 8: 2129–2146. doi: 10.1175/2008JAMC1758.1.
• Gietl JK, Tritscher T, Klemm O. 2008. ‘Size-segregated analysis of PM10 at two sites, urban and rural, in Munster (Germany) using five-stage Berner type impactors.’ Atmospheric Environment 42, Nr. 22: 5721–5727. doi: 10.1016/j.atmosenv.2008.03.001.
• Schmidt A, Wrzesinsky T, Klemm O. 2008. ‘Gap filling and quality assessment of CO2 and water vapour fluxes above an urban area with radial basis function neural networks.’ Boundary-Layer Meteorology 126, Nr. 3: 389–413. doi: 10.1007/s10546-007-9249-7.
• Klemm O, Wrzesinsky T, Gerchau J, Griessbaum F. 2008. ‘A collector for fog water and interstitial aerosol.’ Journal of Atmospheric and Oceanic Technology 25, Nr. 2: 335–340. doi: 10.1175/2007JTECHA987.1.

2007

• Beiderwieden E, Schmidt A, Hsia YJ, Chang SC, Wrzesinsky T, Klemm O. 2007. ‘Nutrient input through occult and wet deposition into a subtropical montane cloud forest.’ Water, Air, and Soil Pollution 186, Nr. 1-4: 273–288. doi: 10.1007/s11270-007-9483-0.
• Beiderwieden E, Klemm O, Hsia Y-J. 2007. ‘The impact of fog on the energy budget of a subtropical cypress forest in Taiwan.’ Taiwan Journal of Forest Science 22: 227–239.
• Klemm O, Wrzesinsky T. 2007. ‘Fog deposition fluxes of water and ions to a mountainous site in Central Europe.’ Tellus B 59, Nr. 4: 705–714. doi: 10.1111/j.1600-0889.2007.00287.x.
• Held A, Niessner R, Bosveld F, Wrzesinsky T, Klemm O. 2007. ‘Evaluation and application of an electrical low pressure impactor in disjunct eddy covariance aerosol flux measurements.’ Aerosol Science and Technology 41, Nr. 5: 510–519. doi: 10.1080/02786820701227719.
• Gocht T, Klemm O, Grathwohl P. 2007. ‘Long-term atmospheric bulk deposition of polycyclic aromatic hydrocarbons (PAHs) in rural areas of Southern Germany.’ Atmospheric Environment 41, Nr. 6: 1315–1327. doi: 10.1016/j.atmosenv.2006.09.036.

2006

• Held A, Klemm O. 2006. ‘Direct measurement of turbulent particle exchange with a twin CPC eddy covariance system.’ Atmospheric Environment 40: S92S102.
• Ganzeveld L, Klemm O, Rappengluck B, Valverde-Canossa J. 2006. ‘Evaluation of meteorological parameters over a coniferous forest in a single-column chemistry-climate model.’ Atmospheric Environment 40: S21S27.
• Klemm O, Held A, Forkel R, Gasche R, Kanter HJ, Rappengluck B, Steinbrecher R, Muller K, Plewka A, Cojocariu C, Kreuzwieser J, Valverde-Canossa J, Schuster G, Moortgat GK, Graus M, Hansel A. 2006. ‘Experiments on forest/atmosphere exchange: Climatology and fluxes during two summer campaigns in NE Bavaria.’ Atmospheric Environment 40: S3S20.
• Valverde-Canossa J, Ganzeveld L, Rappengluck B, Steinbrecher R, Klemm O, Schuster G, Moortgat GK. 2006. ‘First measurements of H2O2 and organic peroxides surface fluxes by the relaxed eddy-accumulation technique.’ Atmospheric Environment 40: S55S67.
• Forkel R, Klemm O, Graus M, Rappengluck B, Stockwell WR, Grabmer W, Held A, Hansel A, Steinbrecher R. 2006. ‘Trace gas exchange and gas phase chemistry in a Norway spruce forest: A study with a coupled 1-dimensional canopy atmospheric chemistry emission model.’ Atmospheric Environment 40: S28S42.
• Fischer G, Frohne T, Gerharz L, Hildebrandt H, Klemm O, Mildenberger K, Nording C, Rehberger I, Schiffer M, Voulkoudis CS. 2006. „Veränderungen des NO / NO2-Verhältnisses in Nordrhein-Westfalen (1984–2004) und mögliche Ursachen.“ UWSF – Z Umweltchem Ökotox 18: 155–163.
• Held A, Nowak A, Wiedensohler A, Klemm O. 2006. ‘Field measurements and size-resolved model simulations of turbulent particle transport to a forest canopy.’ Journal of Aerosol Science 37, Nr. 6: 786–798. doi: 10.1016/j.jaerosci.2005.06.005.
• Klemm O, Chang SC, Hsia Y. 2006. ‘Energy fluxes at a subtropical mountain cloud forest.’ Forest Ecology and Management 224, Nr. 1-2: 5–10. doi: 10.1016/j.foreco.2005.12.003.

2005

• Beiderwieden E, Wrzesinsky T, Klemm O. 2005. ‘Chemical characterization of fog and rain water collected at the eastern Andes cordillera.’ Hydrology and Earth System Sciences 9, Nr. 3: 185–191. doi: 10.5194/hess-9-185-2005.
• Vogt E, Held A, Klemm O. 2005. ‘Sources and concentrations of gaseous and particulate reduced nitrogen in the city of Munster (Germany).’ Atmospheric Environment 39, Nr. 38: 7393–7402. doi: 10.1016/j.atmosenv.2005.09.012.
• Klemm O, Wrzesinsky T, Scheer C. 2005. ‘Fog water flux at a canopy top: Direct measurement versus one-dimensional model.’ Atmospheric Environment 39, Nr. 29: 5375–5386.

2004

• Held A, Nowak A, Birmili W, Wiedensohler A, Forkel R, Klemm O. 2004. ‘Observations of particle formation and growth in a mountainous forest region in central Europe.’ Journal of Geophysical Research 109, Nr. D23.
• Huang JH, Klemm O. 2004. ‘Atmospheric speciation of ionic organotin, organolead and organomercury compounds in NE Bavaria (Germany).’ Atmospheric Environment 38, Nr. 30: 5013–5023. doi: 10.1016/j.atmosenv.2004.06.015.
• Pryor SC, Klemm O. 2004. ‘Experimentally derived estimates of nitric acid dry deposition velocity and viscous sub-layer resistance at a conifer forest.’ Atmospheric Environment 38, Nr. 18: 2769–2777. doi: 10.1016/j.atmosenv.2004.02.038.

2003

• Held A, Hinz KP, Trimborn A, Spengler B, Klemm O. 2003. ‘Towards direct measurement of turbulent vertical fluxes of compounds in atmospheric aerosol particles.’ Geophysical Research Letters 30, Nr. 19.
• Schroter M, Obermeier A, Bruggemann D, Plechschmidt M, Klemm O. 2003. ‘Remote monitoring of air pollutant emissions from point sources by a mobile lidar/sodar system.’ Journal of the Air and Waste Management Association 53, Nr. 6: 716–723.

2002

• Klemm O, Milford C, Sutton MA, Spindler G, van Putten E. 2002. ‘A climatology of leaf surface wetness.’ Theoretical and Applied Climatology 71, Nr. 1-2: 107–117. doi: 10.1007/s704-002-8211-5.
• Schroer M, Obermeier A, Bruggemann D, Klemm O. 2002. ‘Application of ground-based lidar for studies of the dynamics of ozone in a mountainous basin.’ Environmental Science and Pollution Research 9, Nr. 6: 381–384. doi: 10.1007/BF02987586.
• Thalmann E, Burkard R, Wrzesinsky T, Eugster W, Klemm O. 2002. ‘Ion fluxes from fog and rain to an agricultural and a forest ecosystem in Europe.’ Atmospheric Research 64, Nr. 1-4: 147–158. doi: 10.1016/S0169-8095(02)00087-X.
• Burkard R, Eugster W, Wrzesinsky T, Klemm O. 2002. ‘Vertical divergence of fogwater fluxes above a spruce forest.’ Atmospheric Research 64, Nr. 1-4: 133–145. doi: 10.1016/S0169-8095(02)00086-8.
• Held A, Wrzesinsky T, Mangold A, Gerchau J, Klemm O. 2002. ‘Atmospheric phase distribution of oxidized and reduced nitrogen at a forest ecosystem research site.’ Chemosphere 48, Nr. 7: 697–706. doi: 10.1016/S0045-6535(02)00124-8.
• Held A, Hinz KP, Trimborn A, Spengler B, Klemm O. 2002. ‘Chemical classes of atmospheric aerosol particles at a rural site in Central Europe during winter.’ Journal of Aerosol Science 33, Nr. 4: 581–594. doi: 10.1016/S0021-8502(01)00195-1.