Zobrazeno 1 - 10
of 64
pro vyhledávání: '"O. Kolle"'
Autor:
S. J. Paulus, T. S. El-Madany, R. Orth, A. Hildebrandt, T. Wutzler, A. Carrara, G. Moreno, O. Perez-Priego, O. Kolle, M. Reichstein, M. Migliavacca
Publikováno v:
Hydrology and Earth System Sciences, Vol 26, Pp 6263-6287 (2022)
The input of liquid water to terrestrial ecosystems is composed of rain and non-rainfall water (NRW). The latter comprises dew, fog, and the adsorption of atmospheric vapor on soil particle surfaces. Although NRW inputs can be relevant to support eco
Externí odkaz:
https://doaj.org/article/6e4c8b83ffa64d19bfea22f68311570e
Autor:
K. Castro-Morales, A. Canning, S. Arzberger, W. A. Overholt, K. Küsel, O. Kolle, M. Göckede, N. Zimov, A. Körtzinger
Publikováno v:
Biogeosciences, Vol 19, Pp 5059-5077 (2022)
Large amounts of methane (CH4) could be released as a result of the gradual or abrupt thawing of Arctic permafrost due to global warming. Once available, this potent greenhouse gas is emitted into the atmosphere or transported laterally into aquatic
Externí odkaz:
https://doaj.org/article/000c1ab89ca34629b8fd9d40c6167ae0
Autor:
E. Salmon, F. Jégou, B. Guenet, L. Jourdain, C. Qiu, V. Bastrikov, C. Guimbaud, D. Zhu, P. Ciais, P. Peylin, S. Gogo, F. Laggoun-Défarge, M. Aurela, M. S. Bret-Harte, J. Chen, B. H. Chojnicki, H. Chu, C. W. Edgar, E. S. Euskirchen, L. B. Flanagan, K. Fortuniak, D. Holl, J. Klatt, O. Kolle, N. Kowalska, L. Kutzbach, A. Lohila, L. Merbold, W. Pawlak, T. Sachs, K. Ziemblińska
Publikováno v:
Geoscientific Model Development, Vol 15, Pp 2813-2838 (2022)
In the global methane budget, the largest natural source is attributed to wetlands, which encompass all ecosystems composed of waterlogged or inundated ground, capable of methane production. Among them, northern peatlands that store large amounts of
Externí odkaz:
https://doaj.org/article/4ba43d0f11564a67979d884993fb0ba0
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 5717-5740 (2019)
Sparse data coverage in the Arctic hampers our understanding of its carbon cycle dynamics and our predictions of the fate of its vast carbon reservoirs in a changing climate. In this paper, we present accurate measurements of atmospheric carbon dioxi
Externí odkaz:
https://doaj.org/article/76399a40d27c4012bdf8ce796fc273bf
Publikováno v:
The Cryosphere, Vol 11, Pp 2975-2996 (2017)
Hydrologic conditions are a key factor in Arctic ecosystems, with strong influences on ecosystem structure and related effects on biogeophysical and biogeochemical processes. With systematic changes in water availability expected for large parts o
Externí odkaz:
https://doaj.org/article/490e3c13f16d4eb4b2cbffe88d39cb51
Autor:
F. Kittler, I. Burjack, C. A. R. Corradi, M. Heimann, O. Kolle, L. Merbold, N. Zimov, S. Zimov, M. Göckede
Publikováno v:
Biogeosciences, Vol 13, Iss 18, Pp 5315-5332 (2016)
Hydrologic conditions are a major controlling factor for carbon exchange processes in high-latitude ecosystems. The presence or absence of water-logged conditions can lead to significant shifts in ecosystem structure and carbon cycle processes. In th
Externí odkaz:
https://doaj.org/article/02b201992814435d87e85c498624835f
Autor:
M. J. Kwon, M. Heimann, O. Kolle, K. A. Luus, E. A. G. Schuur, N. Zimov, S. A. Zimov, M. Göckede
Publikováno v:
Biogeosciences, Vol 13, Iss 14, Pp 4219-4235 (2016)
With increasing air temperatures and changing precipitation patterns forecast for the Arctic over the coming decades, the thawing of ice-rich permafrost is expected to increasingly alter hydrological conditions by creating mosaics of wetter and drier
Externí odkaz:
https://doaj.org/article/8e6ac010abf849839877e51f1f6769d1
Autor:
O. Perez-Priego, J. Guan, M. Rossini, F. Fava, T. Wutzler, G. Moreno, N. Carvalhais, A. Carrara, O. Kolle, T. Julitta, M. Schrumpf, M. Reichstein, M. Migliavacca
Publikováno v:
Biogeosciences, Vol 12, Iss 21, Pp 6351-6367 (2015)
This study investigates the performances of different optical indices to estimate gross primary production (GPP) of herbaceous stratum in a Mediterranean savanna with different nitrogen (N) and phosphorous (P) availability. Sun-induced chlorophyll fl
Externí odkaz:
https://doaj.org/article/64497a8e0468445499d3090f3630e70c
Autor:
L. Wingate, J. Ogée, E. Cremonese, G. Filippa, T. Mizunuma, M. Migliavacca, C. Moisy, M. Wilkinson, C. Moureaux, G. Wohlfahrt, A. Hammerle, L. Hörtnagl, C. Gimeno, A. Porcar-Castell, M. Galvagno, T. Nakaji, J. Morison, O. Kolle, A. Knohl, W. Kutsch, P. Kolari, E. Nikinmaa, A. Ibrom, B. Gielen, W. Eugster, M. Balzarolo, D. Papale, K. Klumpp, B. Köstner, T. Grünwald, R. Joffre, J.-M. Ourcival, M. Hellstrom, A. Lindroth, C. George, B. Longdoz, B. Genty, J. Levula, B. Heinesch, M. Sprintsin, D. Yakir, T. Manise, D. Guyon, H. Ahrends, A. Plaza-Aguilar, J. H. Guan, J. Grace
Publikováno v:
Biogeosciences, Vol 12, Iss 20, Pp 5995-6015 (2015)
Plant phenological development is orchestrated through subtle changes in photoperiod, temperature, soil moisture and nutrient availability. Presently, the exact timing of plant development stages and their response to climate and management practices
Externí odkaz:
https://doaj.org/article/aa21bea75205487fae64e11d3b839ef4
Autor:
V. Proschek, G. Kirchengast, S. Schweitzer, J. S. A. Brooke, P. F. Bernath, C. B. Thomas, J.-G. Wang, K. A. Tereszchuk, G. González Abad, R. J. Hargreaves, C. A. Beale, J. J. Harrison, P. A. Martin, V. L. Kasyutich, C. Gerbig, O. Kolle, A. Loescher
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 8, Pp 3315-3336 (2015)
The first ground-based experiment to prove the concept of a novel space-based observation technique for microwave and infrared-laser occultation between low-Earth-orbit satellites was performed in the Canary Islands between La Palma and Tenerife. For
Externí odkaz:
https://doaj.org/article/4293730c926e497eb8a53088aef92670