View from above looking straight down at the top of the large ATTO tower, which stands out as an orange square above the green tree tops far below. Diagonally, the guy wires run from the tower into the forest.

Publications of Hella van Asperen

Journal Article (6)

1.
Journal Article
Silva, J. S.; Pinel, S.; van Asperen, H.; Amaral, J. H. F.; Pimental, T. P.; da Cunha, H. B.; Krusche, A. V.; Forsberg, B. R.: Seasonal and extreme water level fluctuations impact methane concentrations and fluxes in two Amazon tributaries near Manaus. Fundamental and Applied Limnology (2025)
2.
Journal Article
Chanca, I.; Levin, I.; Trumbore, S. E.; Macario, K.; Lavrič, J. V.; Quesada, C. A.; de Araújo, A. C.; Dias Júnior, C. Q.; van Asperen, H.; Hammer, S. et al.; Sierra, C.: How long does carbon stay in a near-pristine central Amazon forest? An empirical estimate with radiocarbon. Biogeosciences 22 (2), 472, p. 455 (2025)
3.
Journal Article
Reis, L. I.; Oliveira, M. I.; Dias-Júnior, C. Q.; van Asperen, H.; Mortarini, L.; Acevedo, O. C.; Pöhlker, C.; Kremper, L. A.; Takeshi, B.; Quesada, C. A. et al.; Brondani, D. V.: Tall tower observations of a northward surging gust front in central Amazon and its role in the mesoscale transport of carbon dioxide. Meteorological Applications 31 (5), e70002 (2024)
4.
Journal Article
Machado, L. A. T.; Kesselmeier, J.; Botía, S.; van Asperen, H.; Andreae, M. O.; de Araújo, A. C.; Artaxo, P.; Edtbauer, A.; Ferreira, R. R.; Franco, M. A. et al.; Harder, H.; Jones, S. P.; Dias-Júnior, C. Q.; Haytzmann, G. G.; Quesada, C. A.; Komiya, S.; Lavrič, J. V.; Lelieveld, J.; Levin, I.; Nölscher, A.; Pfannerstill, E.; Pöhlker, M. L.; Pöschl, U.; Ringsdorf, A.; Rizzo, L.; Yáñez-Serrano, A. M.; Trumbore, S. E.; Valenti, W. I. D.; de Arellano, J. V.-G.; Walter, D.; Williams, J.; Wolff, S.; Pöhlker, C.: How rainfall events modify trace gas mixing ratios in central Amazonia. Atmospheric Chemistry and Physics 24 (15), pp. 8893 - 8910 (2024)
5.
Journal Article
van Asperen, H.; Warneke, T.; de Araújo, A. C.; Forsberg, B.; Ferreira, S. J. F.; Röckmann, T.; van der Veen, C.; Bulthuis, S.; de Oliveira, L. R.; de Xavier, T. L. et al.; da Mata, J.; de Sá, M. O.; Teixeira, P. R.; de Silva, J. A. F. e.; Trumbore, S. E.; Notholt, J.: The emission of CO from tropical rain forest soils. Biogeosciences 21 (13), pp. 3183 - 3199 (2024)
6.
Journal Article
de Arellano, J. V.-G.; Hartogensis, O. K.; de Boer, H.; Moonen, R.; González-Armas, R.; Janssens, M.; Adnew, G. A.; Bonell-Fontás, D. J.; Botia, S.; Jones, S. P. et al.; van Asperen, H.; Komiya, S.; de Feiter, V. S.; Rikkers, D.; de Haas, S.; Machado, L. A. T.; Dias-Junior, C. Q.; Giovanelli-Haytzmann, G.; Valenti, W. I. D.; Figueiredo, R. C.; Farias, C. S.; Hall, D. H.; Mendonça, A. C. S.; da Silva, F. A. G.; da Silva, J. L. M.; Souza, R.; Martins, G.; Miller, J. N.; Mol, W. B.; Heusinkveld, B.; van Heerwaarden, C. C.; D’Oliveira, F. A. F.; Ferreira, R. R.; Gotuzzo, R. A.; Pugliese, G.; Williams, J.; Ringsdorf, A.; Edtbauer, A.; Quesada, C. A.; Portela, B. T. T.; Alves, E. G.; Pöhlker, C.; Trumbore, S. E.; Lelieveld, J.; Röckmann, T.: CloudRoots-Amazon22: Integrating clouds with photosynthesis by crossing scales. Bulletin of the American Meteorological Society 105 (7), pp. E1275 - E1302 (2024)

Preprint (2)

7.
Preprint
Sierra, C.; Chanca, I.; Andreae, M.; de Araújo, A. C.; van Asperen, H.; Borchardt, L.; Botia, S.; Candido, L. A.; Correa, C. S. C.; Dias-Junior, C. Q. et al.; Eritt, M.; Fröhlich, A.; Gatti, L. V.; Guderle, M.; Hammer, S.; Heimann, M.; Horna, V.; Jordan, A.; Knabe, S.; Kneißl, R.; Lavrič, J. V.; Levin, I.; Macario, K.; Menger, J.; Moossen, H.; Quesada, C. A.; Rothe, M.; Rödenbeck, C.; Santos, Y.; Steinhof, A.; Takeshi, B.; Trumbore, S. E.; Zaehle, S.: The flask monitoring program for high-precision atmospheric measurements of greenhouse gases, stable isotopes, and radiocarbon in the central Amazon region. Earth System Science Data Discussions (2025)
8.
Preprint
Botia, S.; Dias-Junior, C. Q.; Komiya, S.; van der Woude, A.; Terristi, M.; de Kok, R.; Koren, G.; van Asperen, H.; Jones, S. P.; D'Oliveira, F. A. F. et al.; Weber, U.; Marques-Filho, E.; Toro, I. M. C.; Araújo, A.; Lavric, J.; Walter, D.; Li, X.; Wigneron, J.-P.; Stocker, B.; de Souza, J. G.; O'Sullivan, M.; Sitch, S.; Ciais, P.; Chevallier, F.; Li, W.; Luijkx, I. T.; Peters, W.; Quesada, C. A.; Zaehle, S.; Trumbore, S. E.; Bastos, A.: Reduced vegetation uptake during the extreme 2023 drought turns the Amazon into a weak carbon source. ESS Open Archive (2025)
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