Zobrazeno 1 - 10
of 895
pro vyhledávání: '"J. Kesselmeier"'
Autor:
A. Ringsdorf, A. Edtbauer, B. Holanda, C. Poehlker, M. O. Sá, A. Araújo, J. Kesselmeier, J. Lelieveld, J. Williams
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 11883-11910 (2024)
The photochemistry of carbonyl compounds significantly influences tropospheric chemical composition by altering the local oxidative capacity; free radical abundance in the upper troposphere; and formation of ozone, peroxycarboxylic nitric anhydride (
Externí odkaz:
https://doaj.org/article/d3ed01bd0bc84268a6d4f3d101bd6ef9
Autor:
L. A. T. Machado, J. Kesselmeier, S. Botía, H. van Asperen, M. O. Andreae, A. C. de Araújo, P. Artaxo, A. Edtbauer, R. R. Ferreira, M. A. Franco, H. Harder, S. P. Jones, C. Q. Dias-Júnior, G. G. Haytzmann, C. A. Quesada, S. Komiya, J. Lavric, J. Lelieveld, I. Levin, A. Nölscher, E. Pfannerstill, M. L. Pöhlker, U. Pöschl, A. Ringsdorf, L. Rizzo, A. M. Yáñez-Serrano, S. Trumbore, W. I. D. Valenti, J. Vila-Guerau de Arellano, D. Walter, J. Williams, S. Wolff, C. Pöhlker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 8893-8910 (2024)
This study investigates the rain-initiated mixing and variability in the mixing ratio of selected trace gases in the atmosphere over the central Amazon rain forest. It builds on comprehensive data from the Amazon Tall Tower Observatory (ATTO), spanni
Externí odkaz:
https://doaj.org/article/98b13c62a856418fb3604f9a83d7f35c
Autor:
E. Gomes Alves, R. Aquino Santana, C. Quaresma Dias-Júnior, S. Botía, T. Taylor, A. M. Yáñez-Serrano, J. Kesselmeier, E. Bourtsoukidis, J. Williams, P. I. Lembo Silveira de Assis, G. Martins, R. de Souza, S. Duvoisin Júnior, A. Guenther, D. Gu, A. Tsokankunku, M. Sörgel, B. Nelson, D. Pinto, S. Komiya, D. Martins Rosa, B. Weber, C. Barbosa, M. Robin, K. J. Feeley, A. Duque, V. Londoño Lemos, M. P. Contreras, A. Idarraga, N. López, C. Husby, B. Jestrow, I. M. Cely Toro
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 8149-8168 (2023)
Isoprene emissions are a key component in biosphere–atmosphere interactions, and the most significant global source is the Amazon rainforest. However, intra- and interannual variations in biological and environmental factors that regulate isoprene
Externí odkaz:
https://doaj.org/article/4be19f0200a242b99d045302eafb94a7
Autor:
M. Prass, M. O. Andreae, A. C. de Araùjo, P. Artaxo, F. Ditas, W. Elbert, J.-D. Förster, M. A. Franco, I. Hrabe de Angelis, J. Kesselmeier, T. Klimach, L. A. Kremper, E. Thines, D. Walter, J. Weber, B. Weber, B. M. Fuchs, U. Pöschl, C. Pöhlker
Publikováno v:
Biogeosciences, Vol 18, Pp 4873-4887 (2021)
The Amazon rain forest plays a major role in global hydrological cycling, and biogenic aerosols are likely to influence the formation of clouds and precipitation. Information about the sources and altitude profiles of primary biological aerosol parti
Externí odkaz:
https://doaj.org/article/31d8809631084525a7503bf02c161416
Autor:
N. Löbs, D. Walter, C. G. G. Barbosa, S. Brill, R. P. Alves, G. R. Cerqueira, M. de Oliveira Sá, A. C. de Araújo, L. R. de Oliveira, F. Ditas, D. Moran-Zuloaga, A. P. Pires Florentino, S. Wolff, R. H. M. Godoi, J. Kesselmeier, S. Mota de Oliveira, M. O. Andreae, C. Pöhlker, B. Weber
Publikováno v:
Biogeosciences, Vol 17, Pp 5399-5416 (2020)
In the Amazonian rain forest, major parts of trees and shrubs are covered by epiphytic cryptogams of great taxonomic variety, but their relevance in biosphere–atmosphere exchange, climate processes, and nutrient cycling is largely unknown. As crypt
Externí odkaz:
https://doaj.org/article/05b6f25ba2bc45008c0613903a8b0ddb
Autor:
N. Löbs, C. G. G. Barbosa, S. Brill, D. Walter, F. Ditas, M. de Oliveira Sá, A. C. de Araújo, L. R. de Oliveira, R. H. M. Godoi, S. Wolff, M. Piepenbring, J. Kesselmeier, P. Artaxo, M. O. Andreae, U. Pöschl, C. Pöhlker, B. Weber
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 153-164 (2020)
Bioaerosols are considered to play a relevant role in atmospheric processes, but their sources, properties, and spatiotemporal distribution in the atmosphere are not yet well characterized. In the Amazon Basin, primary biological aerosol particles (P
Externí odkaz:
https://doaj.org/article/460d805e61ad472680de67ccfe3f4451
Autor:
T. Behrendt, E. C. P. Catão, R. Bunk, Z. Yi, E. Schweer, S. Kolb, J. Kesselmeier, S. Trumbore
Publikováno v:
SOIL, Vol 5, Pp 121-135 (2019)
Carbonyl sulfide (OCS) plays an important role in the global sulfur cycle and is relevant for climate change due to its role as a greenhouse gas, in aerosol formation and atmospheric chemistry. The similarities of the carbon dioxide (CO2) and OCS mol
Externí odkaz:
https://doaj.org/article/98c4075193e0414ba8777d15e832f876
Autor:
M. L. Pöhlker, F. Ditas, J. Saturno, T. Klimach, I. Hrabě de Angelis, A. C. Araùjo, J. Brito, S. Carbone, Y. Cheng, X. Chi, R. Ditz, S. S. Gunthe, B. A. Holanda, K. Kandler, J. Kesselmeier, T. Könemann, O. O. Krüger, J. V. Lavrič, S. T. Martin, E. Mikhailov, D. Moran-Zuloaga, L. V. Rizzo, D. Rose, H. Su, R. Thalman, D. Walter, J. Wang, S. Wolff, H. M. J. Barbosa, P. Artaxo, M. O. Andreae, U. Pöschl, C. Pöhlker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 10289-10331 (2018)
Size-resolved measurements of atmospheric aerosol and cloud condensation nuclei (CCN) concentrations and hygroscopicity were conducted over a full seasonal cycle at the remote Amazon Tall Tower Observatory (ATTO, March 2014–February 2015). In a p
Externí odkaz:
https://doaj.org/article/0e79c72f21cb430d8a1a4c131ea82dbf
Autor:
E. Bourtsoukidis, T. Behrendt, A. M. Yañez-Serrano, H. Hellén, E. Diamantopoulos, E. Catão, K. Ashworth, A. Pozzer, C. A. Quesada, D. L. Martins, M. Sá, A. Araujo, J. Brito, P. Artaxo, J. Kesselmeier, J. Lelieveld, J. Williams
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-11 (2018)
Recent measurements in the Amazon rainforest indicate missing sources of volatile organic compounds (VOCs). Here the authors show that soil microorganisms are a strong, unaccounted source of highly reactive sesquiterpenes, a class of VOCs that can re
Externí odkaz:
https://doaj.org/article/e56d4242e3774126902019871d77f1ab
Autor:
M. E. Whelan, S. T. Lennartz, T. E. Gimeno, R. Wehr, G. Wohlfahrt, Y. Wang, L. M. J. Kooijmans, T. W. Hilton, S. Belviso, P. Peylin, R. Commane, W. Sun, H. Chen, L. Kuai, I. Mammarella, K. Maseyk, M. Berkelhammer, K.-F. Li, D. Yakir, A. Zumkehr, Y. Katayama, J. Ogée, F. M. Spielmann, F. Kitz, B. Rastogi, J. Kesselmeier, J. Marshall, K.-M. Erkkilä, L. Wingate, L. K. Meredith, W. He, R. Bunk, T. Launois, T. Vesala, J. A. Schmidt, C. G. Fichot, U. Seibt, S. Saleska, E. S. Saltzman, S. A. Montzka, J. A. Berry, J. E. Campbell
Publikováno v:
Biogeosciences, Vol 15, Pp 3625-3657 (2018)
For the past decade, observations of carbonyl sulfide (OCS or COS) have been investigated as a proxy for carbon uptake by plants. OCS is destroyed by enzymes that interact with CO2 during photosynthesis, namely carbonic anhydrase (CA) and RuBisCO,
Externí odkaz:
https://doaj.org/article/3abe44227def4ae2b6ef8bc9f3855fc8