Zobrazeno 1 - 10
of 288
pro vyhledávání: '"S. Schobesberger"'
Autor:
W. Huang, C. Wu, L. Gao, Y. Gramlich, S. L. Haslett, J. Thornton, F. D. Lopez-Hilfiker, B. H. Lee, J. Song, H. Saathoff, X. Shen, R. Ramisetty, S. N. Tripathi, D. Ganguly, F. Jiang, M. Vallon, S. Schobesberger, T. Yli-Juuti, C. Mohr
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 2607-2624 (2024)
The apparent volatility of atmospheric organic aerosol (OA) particles is determined by their chemical composition and environmental conditions (e.g., ambient temperature). A quantitative, experimental assessment of volatility and the respective impor
Externí odkaz:
https://doaj.org/article/48284079f1a34d769b12bee16bc002f8
Autor:
S. M. Kommula, A. Buchholz, Y. Gramlich, T. Mielonen, L. Hao, I. Pullinen, L. Vettikkat, A. Ylisirniö, J. Joutsensaari, S. Schobesberger, P. Tiitta, A. Leskinen, D. Hesslin‐ Rees, S. L. Haslett, K. Siegel, C. Lunder, P. Zieger, R. Krejci, S. Romakkaniemi, C. Mohr, A. Virtanen
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 6, Pp n/a-n/a (2024)
Abstract Active vegetation fires in south‐eastern (SE) Europe resulted in a notable increase in the number concentration of aerosols and cloud condensation nuclei (CCN) particles at two high latitude locations—the SMEAR IV station in Kuopio, Finl
Externí odkaz:
https://doaj.org/article/3b4cc174207d42df884cb6a98af1e561
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 6863-6877 (2023)
Saturation vapor pressure (psat) is an important thermodynamic property regulating the gas-to-particle partitioning of organic compounds in the atmosphere. Low-volatility organic compounds (LVOCs), with sufficiently low psat values, primarily stay in
Externí odkaz:
https://doaj.org/article/152f2f71929f4e2399560e201dab685d
Autor:
L. Vettikkat, P. Miettinen, A. Buchholz, P. Rantala, H. Yu, S. Schallhart, T. Petäjä, R. Seco, E. Männistö, M. Kulmala, E.-S. Tuittila, A. B. Guenther, S. Schobesberger
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 2683-2698 (2023)
Wetlands cover only 3 % of the global land surface area, but boreal wetlands are experiencing an unprecedented warming of four times the global average. These wetlands emit isoprene and terpenes (including monoterpenes (MT), sesquiterpenes (SQT), and
Externí odkaz:
https://doaj.org/article/eb3fa1ebc84d4654a86d94a4c85792a3
Autor:
S. Schobesberger, E. L. D'Ambro, L. Vettikkat, B. H. Lee, Q. Peng, D. M. Bell, J. E. Shilling, M. Shrivastava, M. Pekour, J. Fast, J. A. Thornton
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 247-271 (2023)
Ammonia (NH3) is an abundant trace gas in the atmosphere and an important player in atmospheric chemistry, aerosol formation and the atmosphere–surface exchange of nitrogen. The accurate determination of NH3 emission rates remains a challenge, part
Externí odkaz:
https://doaj.org/article/64541107573a4f7cb5b8999a24007dda
Autor:
Z. Li, A. Buchholz, L. M. F. Barreira, A. Ylisirniö, L. Hao, I. Pullinen, S. Schobesberger, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 203-220 (2023)
Many recent secondary organic aerosol (SOA) studies mainly focus on biogenic SOA particles formed under low NOx conditions and thus are applicable to pristine environments with minor anthropogenic influence. Although interactions between biogenic vol
Externí odkaz:
https://doaj.org/article/1ac62039b3124dc9be2ff80242b679a4
Autor:
L. J. Beck, S. Schobesberger, H. Junninen, J. Lampilahti, A. Manninen, L. Dada, K. Leino, X.-C. He, I. Pullinen, L. L. J. Quéléver, A. Franck, P. Poutanen, D. Wimmer, F. Korhonen, M. Sipilä, M. Ehn, D. R. Worsnop, V.-M. Kerminen, T. Petäjä, M. Kulmala, J. Duplissy
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 8547-8577 (2022)
At SMEAR II research station in Hyytiälä, located in the Finnish boreal forest, the process of new particle formation and the role of ions has been investigated for almost 20 years near the ground and at canopy level. However, above SMEAR II, the v
Externí odkaz:
https://doaj.org/article/acac5ebed41f4ac2aca233b476c32792
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 1957-1965 (2022)
Sulfuric acid (H2SO4, SA) is the key compound in atmospheric new particle formation. Therefore, it is crucial to observe its concentration with sensitive instrumentation, such as chemical ionisation (CI) inlets coupled to atmospheric pressure interfa
Externí odkaz:
https://doaj.org/article/f1bfb9d3677c4bb684664dcf5d95d3b8
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 1195-1208 (2022)
Accurate information on gas-to-particle partitioning is needed to model secondary organic aerosol formation. However, determining reliable saturation vapor pressures of atmospherically relevant multifunctional organic compounds is extremely difficult
Externí odkaz:
https://doaj.org/article/7736be27623b4efe8a2ef3f3bd75c6ed
Autor:
Z. Li, A. Buchholz, A. Ylisirniö, L. Barreira, L. Hao, S. Schobesberger, T. Yli-Juuti, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 18283-18302 (2021)
Efforts have been spent on investigating the isothermal evaporation of α-pinene secondary organic aerosol (SOA) particles at ranges of conditions and decoupling the impacts of viscosity and volatility on evaporation. However, little is known about t
Externí odkaz:
https://doaj.org/article/9c716a08577446da93b8ac861da2509a