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U. Hõrrak

University of Tartu

38H-index
121Paper Count
5.5KCitation Count
Published Papers 27
Publication Date
Widespread Pesticide Distribution in the European Atmosphere Questions their Degradability in Air
err2024-02-07
err5
errOAAI
errMayer, Ludovic; Degrendele, Celine; Senk, Petr; Kohoutek, Jiri; Pribylova, Petra; Kukucka, Petr; Melymuk, Lisa; Durand, Amandine; Ravier, Sylvain; Alastuey, Andres; Baker, Alex R.; Baltensperger, Urs; Baumann-Stanzer, Kathrin; Biermann, Tobias; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sebastien; Couret, Cedric; Degorska, Anna; Diapouli, Evangelia; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Forster, Grant L.; Freier, Korbinian; Gheusi, Francois; Gini, Maria I.; Hellen, Heidi; Henne, Stephan; Herrmann, Hartmut; Smejkalova, Adela Holubova; Horrak, Urmas; Hueglin, Christoph; Junninen, Heikki; Kristensson, Adam; Langrene, Laurent; Levula, Janne; Lothon, Marie; Ludewig, Elke; Makkonen, Ulla; Matejovicova, Jana; Mihalopoulos, Nikolaos; Minarikova, Veronika; Moche, Wolfgang; Noe, Steffen M.; Perez, Noemi; Petaja, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Ratz, Gabriela; Rehm, Till; Reimann, Stefan; Simmons, Ivan; Sonke, Jeroen E.; Sorribas, Mar; Spoor, Ronald; Swart, Daan P. J.; Vasilatou, Vasiliki; Wortham, Henri; Yela, Margarita; Zarmpas, Pavlos; Faesi, Claudia Zellweger; Torseth, Kjetil; Laj, Paolo; Klanova, Jana; Lammel, Gerhard
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A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions
err2021-12-01
err145
errOAAI
errSokhi, Ranjeet S.; Singh, Vikas; Querol, Xavier; Finardi, Sandro; Targino, Admir Creso; Andrade, Maria de Fatima; Pavlovic, Radenko; Garland, Rebecca M.; Massague, Jordi; Kong, Shaofei; Baklanov, Alexander; Ren, Lu; Tarasova, Oksana; Carmichael, Greg; Peuch, Vincent-Henri; Anand, Vrinda; Arbilla, Graciela; Badali, Kaitlin; Beig, Gufran; Carlos Belalcazar, Luis; Bolignano, Andrea; Brimblecombe, Peter; Camacho, Patricia; Casallas, Alejandro; Charland, Jean-Pierre; Choi, Jason; Chourdakis, Eleftherios; Coll, Isabelle; Collins, Marty; Cyrys, Josef; da Silva, Cleyton Martins; Di Giosa, Alessandro Domenico; Di Leo, Anna; Ferro, Camilo; Gavidia-Calderon, Mario; Gayen, Amiya; Ginzburg, Alexander; Godefroy, Fabrice; Alexandra Gonzalez, Yuri; Guevara-Luna, Marco; Haque, Sk Mafizul; Havenga, Henno; Herod, Dennis; Horrak, Urmas; Hussein, Tareq; Ibarra, Sergio; Jaimes, Monica; Kaasik, Marko; Khaiwal, Ravindra; Kim, Jhoon; Kousa, Anu; Kukkonen, Jaakko; Kulmala, Markku; Kuula, Joel; La Violette, Nathalie; Lanzani, Guido; Liu, Xi; MacDougall, Stephanie; Manseau, Patrick M.; Marchegiani, Giada; McDonald, Brian; Mishra, Swasti Vardhan; Molina, Luisa T.; Mooibroek, Dennis; Mor, Suman; Moussiopoulos, Nicolas; Murena, Fabio; Niemi, Jarkko, V; Noe, Steffen; Nogueira, Thiago; Norman, Michael; Perez-Camano, Juan Luis; Petaja, Tuukka; Piketh, Stuart; Rathod, Aditi; Reid, Ken; Retama, Armando; Rivera, Olivia; Rojas, Nestor Y.; Rojas-Quincho, Jhojan P.; San Jose, Roberto; Sanchez, Odon; Seguel, Rodrigo J.; Sillanpaa, Salla; Su, Yushan; Tapper, Nigel; Terrazas, Antonio; Timonen, Hilkka; Toscano, Domenico; Tsegas, George; Velders, Guus J. M.; Vlachokostas, Christos; von Schneidemesser, Erika; Rajasree, V. P. M.; Yadav, Ravi; Zalakeviciute, Rasa; Zavala, Miguel
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The importance of sesquiterpene oxidation products for secondary organic aerosol formation in a springtime hemiboreal forest
err2021-08-06
err23
errOAAI
errBarreira, Luis M. F.; Ylisirnio, Arttu; Pullinen, Iida; Buchholz, Angela; Li, Zijun; Lipp, Helina; Junninen, Heikki; Horrak, Urmas; Noe, Steffen M.; Krasnova, Alisa; Krasnov, Dmitrii; Kask, Kaia; Talts, Eero; Niinemets, Ulo; Ruiz-Jimenez, Jose; Schobesberger, Siegfried
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Atmospheric new particle formation at the research station Melpitz, Germany: connection with gaseous precursors and meteorological parameters
err2018-02-08
err28
errOAAI
errGroess, Johannes; Hamed, Amar; Sonntag, Andre; Spindler, Gerald; Manninen, Hanna Elina; Nieminen, Tuomo; Kulmala, Markku; Horrak, Urmas; Plass-Duelmer, Christian; Wiedensohler, Alfred; Birmili, Wolfram
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Pan-Eurasian Experiment (PEEX): towards a holistic understanding of the feedbacks and interactions in the land-atmosphere-ocean-society continuum in the northern Eurasian region
err2016-11-22
err61
errOAAI
errLappalainen, Hanna K.; Kerminen, Veli-Matti; Petaja, Tuukka; Kurten, Theo; Baklanov, Aleksander; Shvidenko, Anatoly; Back, Jaana; Vihma, Timo; Alekseychik, Pavel; Andreae, Meinrat O.; Arnold, Stephen R.; Arshinov, Mikhail; Asmi, Eija; Belan, Boris; Bobylev, Leonid; Chalov, Sergey; Cheng, Yafang; Chubarova, Natalia; de Leeuw, Gerrit; Ding, Aijun; Dobrolyubov, Sergey; Dubtsov, Sergei; Dyukarev, Egor; Elansky, Nikolai; Eleftheriadis, Kostas; Esau, Igor; Filatov, Nikolay; Flint, Mikhail; Fu, Congbin; Glezer, Olga; Gliko, Aleksander; Heimann, Martin; Holtslag, Albert A. M.; Horrak, Urmas; Janhunen, Juha; Juhola, Sirkku; Jarvi, Leena; Jarvinen, Heikki; Kanukhina, Anna; Konstantinov, Pavel; Kotlyakov, Vladimir; Kieloaho, Antti-Jussi; Komarov, Alexander S.; Kujansuu, Joni; Kukkonen, Ilmo; Duplissy, Ella-Maria; Laaksonen, Ari; Laurila, Tuomas; Lihavainen, Heikki; Lisitzin, Alexander; Mahura, Alexsander; Makshtas, Alexander; Mareev, Evgeny; Mazon, Stephany; Matishov, Dmitry; Melnikov, Vladimir; Mikhailov, Eugene; Moisseev, Dmitri; Nigmatulin, Robert; Noe, Steffen M.; Ojala, Anne; Pihlatie, Mari; Popovicheva, Olga; Pumpanen, Jukka; Regerand, Tatjana; Repina, Irina; Shcherbinin, Aleksei; Shevchenko, Vladimir; Sipila, Mikko; Skorokhod, Andrey; Spracklen, Dominick V.; Su, Hang; Subetto, Dmitry A.; Sun, Junying; Terzhevik, Arkady Y.; Timofeyev, Yuri; Troitskaya, Yuliya; Tynkkynen, Veli-Pekka; Kharuk, Viacheslav I.; Zaytseva, Nina; Zhang, Jiahua; Viisanen, Yrjo; Vesala, Timo; Hari, Pertti; Hansson, Hans Christen; Matvienko, Gennady G.; Kasimov, Nikolai S.; Guo, Huadong; Bondur, Valery; Zilitinkevich, Sergej; Kulmala, Markku
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General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) - integrating aerosol research from nano to global scales
err2011-12-21
err214
errOAAI
errKulmala, M.; Asmi, A.; Lappalainen, H. K.; Baltensperger, U.; Brenguier, J. -L.; Facchini, M. C.; Hansson, H. -C.; Hov, O.; O'Dowd, C. D.; Poeschl, U.; Wiedensohler, A.; Boers, R.; Boucher, O.; de Leeuw, G.; van der Gon, H. A. C. Denier; Feichter, J.; Krejci, R.; Laj, P.; Lihavainen, H.; Lohmann, U.; McFiggans, G.; Mentel, T.; Pilinis, C.; Riipinen, I.; Schulz, M.; Stohl, A.; Swietlicki, E.; Vignati, E.; Alves, C.; Amann, M.; Ammann, M.; Arabas, S.; Artaxo, P.; Baars, H.; Beddows, D. C. S.; Bergstrom, R.; Beukes, J. P.; Bilde, M.; Burkhart, J. F.; Canonaco, F.; Clegg, S. L.; Coe, H.; Crumeyrolle, S.; D'Anna, B.; Decesari, S.; Gilardoni, S.; Fischer, M.; Fjaeraa, A. M.; Fountoukis, C.; George, C.; Gomes, L.; Halloran, P.; Hamburger, T.; Harrison, R. M.; Herrmann, H.; Hoffmann, T.; Hoose, C.; Hu, M.; Hyvarinen, A.; Horrak, U.; Iinuma, Y.; Iversen, T.; Josipovic, M.; Kanakidou, M.; Kiendler-Scharr, A.; Kirkevag, A.; Kiss, G.; Klimont, Z.; Kolmonen, P.; Komppula, M.; Kristjansson, J. -E.; Laakso, L.; Laaksonen, A.; Labonnote, L.; Lanz, V. A.; Lehtinen, K. E. J.; Rizzo, L. V.; Makkonen, R.; Manninen, H. E.; McMeeking, G.; Merikanto, J.; Minikin, A.; Mirme, S.; Morgan, W. T.; Nemitz, E.; O'Donnell, D.; Panwar, T. S.; Pawlowska, H.; Petzold, A.; Pienaar, J. J.; Pio, C.; Plass-Duelmer, C.; Prevot, A. S. H.; Pryor, S.; Reddington, C. L.; Roberts, G.; Rosenfeld, D.; Schwarz, J.; Seland, O.; Sellegri, K.; Shen, X. J.; Shiraiwa, M.; Siebert, H.; Sierau, B.; Simpson, D.; Sun, J. Y.; Topping, D.; Tunved, P.; Vaattovaara, P.; Vakkari, V.; Veefkind, J. P.; Visschedijk, A.; Vuollekoski, H.; Vuolo, R.; Wehner, B.; Wildt, J.; Woodward, S.; Worsnop, D. R.; van Zadelhoff, G. -J.; Zardini, A. A.; Zhang, K.; van Zyl, P. G.; Kerminen, V. -M.; Carslaw, K. S.; Pandis, S. N.
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Growth rates of nucleation mode particles in Hyytiala during 2003-2009: variation with particle size, season, data analysis method and ambient conditions
err2011-12-20
err142
errOAAI
errYli-Juuti, T.; Nieminen, T.; Hirsikko, A.; Aalto, P. P.; Asmi, E.; Horrak, U.; Manninen, H. E.; Patokoski, J.; Dal Maso, M.; Petaja, T.; Rinne, J.; Kulmala, M.; Riipinen, I.
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Composition of negative air ions as a function of ion age and selected trace gases: Mass- and mobility distribution
err2011-11-01
err18
PREAI
errLuts, Aare; Parts, Tiia-Ene; Horrak, Urmas; Junninen, Heikki; Kulmala, Markku
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Intercomparison of air ion spectrometers: an evaluation of results in varying conditions
err2011-05-04
err31
errOAAI
errGagne, S.; Lehtipalo, K.; Manninen, H. E.; Nieminen, T.; Schobesberger, S.; Franchin, A.; Yli-Juuti, T.; Boulon, J.; Sonntag, A.; Mirme, S.; Mirme, A.; Horrak, U.; Petaja, T.; Asmi, E.; Kulmala, M.
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An Instrumental Comparison of Mobility and Mass Measurements of Atmospheric Small Ions
err2011-03-10
err63
errOAAI
errEhn, Mikael; Junninen, Heikki; Schobesberger, Siegfried; Manninen, Hanna E.; Franchin, Alessandro; Sipila, Mikko; Petaja, Tuukka; Kerminen, Veli-Matti; Tammet, Hannes; Mirme, Aadu; Mirme, Sander; Horrak, Urmas; Kulmala, Markku; Worsnop, Douglas R.
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Atmospheric ions and nucleation: a review of observations
err2011-01-26
err215
errOAAI
errHirsikko, A.; Nieminen, T.; Gagne, S.; Lehtipalo, K.; Manninen, H. E.; Ehn, M.; Horrak, U.; Kerminen, V-M.; Laakso, L.; McMurry, P. H.; Mirme, A.; Mirme, S.; Petaja, T.; Tammet, H.; Vakkari, V.; Vana, M.; Kulmala, M.
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On the roles of sulphuric acid and low-volatility organic vapours in the initial steps of atmospheric new particle formation
err2010-11-30
err218
errOAAI
errPaasonen, P.; Nieminen, T.; Asmi, E.; Manninen, H. E.; Petaja, T.; Plass-Duelmer, C.; Flentje, H.; Birmili, W.; Wiedensohler, A.; Horrak, U.; Metzger, A.; Hamed, A.; Laaksonen, A.; Facchini, M. C.; Kerminen, V. -M.; Kulmala, M.
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Atmospheric nucleation: highlights of the EUCAARI project and future directions
err2010-11-18
err116
errOAAI
errKerminen, V. -M.; Petaja, T.; Manninen, H. E.; Paasonen, P.; Nieminen, T.; Sipila, M.; Junninen, H.; Ehn, M.; Gagne, S.; Laakso, L.; Riipinen, I.; Vehkamaki, H.; Kurten, T.; Ortega, I. K.; Dal Maso, M.; Brus, D.; Hyvarinen, A.; Lihavainen, H.; Leppa, J.; Lehtinen, K. E. J.; Mirme, A.; Mirme, S.; Horrak, U.; Berndt, T.; Stratmann, F.; Birmili, W.; Wiedensohler, A.; Metzger, A.; Dommen, J.; Baltensperger, U.; Kiendler-Scharr, A.; Mentel, T. F.; Wildt, J.; Winkler, P. M.; Wagner, P. E.; Petzold, A.; Minikin, A.; Plass-Duelmer, C.; Poeschl, U.; Laaksonen, A.; Kulmala, M.
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Atmospheric sub-3 nm particles at high altitudes
err2010-01-19
err78
errOAAI
errMirme, S.; Mirme, A.; Minikin, A.; Petzold, A.; Horrak, U.; Kerminen, V. -M.; Kulmala, M.
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Variation and balance of positive air ion concentrations in a boreal forest
err2008-02-12
err41
errOAAI
errHorrak, U.; Aalto, P. P.; Salm, J.; Komsaare, K.; Tammet, H.; Makela, J. M.; Laakso, L.; Kulmala, M.
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Formation and characteristics of ions and charged aerosol particles in a native Australian Eucalypt forest
err2008-01-14
err99
errOAAI
errSuni, T.; Kulmala, M.; Hirsikko, A.; Bergman, T.; Laakso, L.; Aalto, P. P.; Leuning, R.; Cleugh, H.; Zegelin, S.; Hughes, D.; van Gorsel, E.; Kitchen, M.; Vana, M.; Horrak, U.; Mirme, S.; Mirme, A.; Sevanto, S.; Twining, J.; Tadros, C.
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Concentrations and fluxes of aerosol particles during the LAPBIAT measurement campaign at Varrio field station
err2007-07-16
err17
errOAAI
errRuuskanen, T. M.; Kaasik, M.; Aalto, P. P.; Horrak, U.; Vana, M.; Martensson, M.; Yoon, Y. J.; Keronen, P.; Mordas, G.; Ceburnis, D.; Nilsson, E. D.; O'Dowd, C.; Noppel, M.; Alliksaar, T.; Ivask, J.; Sofiev, M.; Prank, M.; Kulmala, M.
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Identification and classification of the formation of intermediate ions measured in boreal forest
err2007-01-15
err99
errOAAI
errHirsikko, A.; Bergman, T.; Laakso, L.; Dal Maso, M.; Riipinen, I.; Horrak, U.; Kulmala, M.
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