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Your search keyword '"Rinne, Janne"' showing total 9 results
Start Over Author "Rinne, Janne" Publisher stockholm university press
9 results on '"Rinne, Janne"'

1. Tropical and Boreal Forest – Atmosphere Interactions: A Review

Author

Artaxo, Paulo, primary, Hansson, Hans-Christen, additional, Andreae, Meinrat O., additional, Bäck, Jaana, additional, Alves, Eliane Gomes, additional, Barbosa, Henrique M. J., additional, Bender, Frida, additional, Bourtsoukidis, Efstratios, additional, Carbone, Samara, additional, Chi, Jinshu, additional, Decesari, Stefano, additional, Després, Viviane R., additional, Ditas, Florian, additional, Ezhova, Ekaterina, additional, Fuzzi, Sandro, additional, Hasselquist, Niles J., additional, Heintzenberg, Jost, additional, Holanda, Bruna A., additional, Guenther, Alex, additional, Hakola, Hannele, additional, Heikkinen, Liine, additional, Kerminen, Veli-Matti, additional, Kontkanen, Jenni, additional, Krejci, Radovan, additional, Kulmala, Markku, additional, Lavric, Jost V., additional, De Leeuw, Gerrit, additional, Lehtipalo, Katrianne, additional, Machado, Luiz Augusto T., additional, McFiggans, Gordon, additional, Franco, Marco Aurelio M., additional, Meller, Bruno Backes, additional, Morais, Fernando G., additional, Mohr, Claudia, additional, Morgan, William, additional, Nilsson, Mats B., additional, Peichl, Matthias, additional, Petäjä, Tuukka, additional, Praß, Maria, additional, Pöhlker, Christopher, additional, Pöhlker, Mira L., additional, Pöschl, Ulrich, additional, Von Randow, Celso, additional, Riipinen, Ilona, additional, Rinne, Janne, additional, Rizzo, Luciana V., additional, Rosenfeld, Daniel, additional, Silva Dias, Maria A. F., additional, Sogacheva, Larisa, additional, Stier, Philip, additional, Swietlicki, Erik, additional, Sörgel, Matthias, additional, Tunved, Peter, additional, Virkkula, Aki, additional, Wang, Jian, additional, Weber, Bettina, additional, Yáñez-Serrano, Ana Maria, additional, Zieger, Paul, additional, Mikhailov, Eugene, additional, Smith, James N., additional, and Kesselmeier, Jürgen, additional

Published
2022
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5. Environmental controls on the CO2 exchange in north European mires

Author

Lindroth, Anders, primary, Lund, Magnus, additional, Nilsson, Mats, additional, Aurela, Mika, additional, Christensen, Torben Röjle, additional, Laurila, Tuomas, additional, Rinne, Janne, additional, Riutta, Terhi, additional, Sagerfors, Jörgen, additional, Ström, Lena, additional, Tuovinen, Juha-Pekka, additional, and Vesala, Timo, additional

Published
2007
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8. CO2 exchange of a sedge fen in southern Finland—the impact of a drought period.

Author

Aurela, Mika, Riutta, Terhi, Laurila, Tuomas, Tuovinen, Juha-Pekka, Vesala, Timo, Tuittila, Eeva-Stiina, Rinne, Janne, Haapanala, Sami, and Laine, Jukka

Subjects
ECOSYSTEM management, PHOTOSYNTHESIS, DROUGHTS, HYDROMETEOROLOGY, RESPIRATION
Abstract

Eddy covariance (EC) measurements of net ecosystem CO2 exchange (NEE) were conducted on a boreal sedge fen in southern Finland (61°50′N, 24°12′E) during a 1.5-yr period covering two summers in 2004–2005. The EC data were complemented by chamber measurements, which enabled the partition of the daytime NEE into respiration and photosynthesis. A special emphasis was put on the hydrometeorological responses of CO2 exchange during a drought period in July 2005. A mean CO2 efflux of 0.009 mgCO2 m−2 s−1 was observed during mid-winter (January–February), while the night-time respiration during the two Julys averaged 0.09 mgCO2 m−2 s−1. During both years the mean mid-day uptake in late July was about −0.16 mgCO2 m−2 s−1. An annual CO2 balance of −188 gCO2 m−2 was observed in 2005. A slightly higher net sink of −219 gCO2 m−2 was estimated for 2004. The drought period experienced in July 2005 caused a clear depression in the daily NEE values. From the combined analysis of EC and chamber measurements it was concluded that this was mainly due to increased respiration, but evidence was also found of suppressed photosynthesis due to a high VPD. [ABSTRACT FROM AUTHOR]

Published
2007
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9. Environmental controls on the CO2 exchange in north European mires.

Author

Lindroth, Anders, Lund, Magnus, Nilsson, Mats, Aurela, Mika, Christensen, Torben Röjle, Laurila, Tuomas, Rinne, Janne, Riutta, Terhi, Sagerfors, Jörgen, Ström, Lena, Tuovinen, Juha-Pekka, and Vesala, Timo

Subjects
CARBON dioxide, ATMOSPHERIC carbon dioxide, PHOTOSYNTHESIS, RESPIRATION, GLOBAL warming, TIME series analysis
Abstract

Net CO2 exchange measured under well-mixed atmospheric conditions in four different mires in Sweden and Finland were used to analyse which factors were controlling photosynthesis and respiration. The parameters of a light response function showed strong seasonal variations with similar behaviour for all mires. The half-monthly nighttime respiration rates in the central part of the growing season were about two times higher in the southernmost, warmest site, Fäje, as compared to the northernmost, coldest site, Kaamanen. However, Kaamanen had high photosynthesis rates, and this in combination with the long daylight periods in the middle of the summer caused Kaamanen to have the largest net ecosystem exchange (NEE) during the summer period. Fäje that showed the highest productivity had also the highest respiration and therefore, the lowest NEE during summer. Correlation between half-monthly components and different environmental variables showed the highest correlation between the components themselves. Thereafter came temperature except for Fäje where water table depth (WTD) explained most of the variance both for detrended and temperature-normalized components. All sites showed dependencies between WTD and the respective components during drying up periods. Temperature sensitivity was higher for productivity than for respiration indicating that CO2 uptake would increase during global warming. [ABSTRACT FROM AUTHOR]

Published
2007
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