Zobrazeno 1 - 10
of 120
pro vyhledávání: '"C. Ehlert"'
Autor:
D. Mayer, F. Lever, D. Picconi, J. Metje, S. Alisauskas, F. Calegari, S. Düsterer, C. Ehlert, R. Feifel, M. Niebuhr, B. Manschwetus, M. Kuhlmann, T. Mazza, M. S. Robinson, R. J. Squibb, A. Trabattoni, M. Wallner, P. Saalfrank, T. J. A. Wolf, M. Gühr
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Imaging the charge flow in photoexcited molecules would provide key information on photophysical and photochemical processes. Here the authors demonstrate tracking in real time after photoexcitation the change in charge density at a specific site of
Externí odkaz:
https://doaj.org/article/5c32a671c326466eaf927fda5b542105
Autor:
D. Mayer, F. Lever, D. Picconi, J. Metje, S. Alisauskas, F. Calegari, S. Düsterer, C. Ehlert, R. Feifel, M. Niebuhr, B. Manschwetus, M. Kuhlmann, T. Mazza, M. S. Robinson, R. J. Squibb, A. Trabattoni, M. Wallner, P. Saalfrank, T. J. A. Wolf, M. Gühr
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-3 (2022)
Externí odkaz:
https://doaj.org/article/3a574a66caab423e86d95b6140cc6544
Autor:
P. J. Tréguer, J. N. Sutton, M. Brzezinski, M. A. Charette, T. Devries, S. Dutkiewicz, C. Ehlert, J. Hawkings, A. Leynaert, S. M. Liu, N. Llopis Monferrer, M. López-Acosta, M. Maldonado, S. Rahman, L. Ran, O. Rouxel
Publikováno v:
Biogeosciences, Vol 18, Pp 1269-1289 (2021)
The element silicon (Si) is required for the growth of silicified organisms in marine environments, such as diatoms. These organisms consume vast amounts of Si together with N, P, and C, connecting the biogeochemical cycles of these elements. Thus, u
Externí odkaz:
https://doaj.org/article/e47cf284da1345bb8186025f9c35fc4c
Autor:
S. Geilert, P. Grasse, K. Doering, K. Wallmann, C. Ehlert, F. Scholz, M. Frank, M. Schmidt, C. Hensen
Publikováno v:
Biogeosciences, Vol 17, Pp 1745-1763 (2020)
Benthic fluxes of dissolved silicon (Si) from sediments into the water column are driven by the dissolution of biogenic silica (bSiO2) and terrigenous Si minerals and modulated by the precipitation of authigenic Si phases. Each of these processes has
Externí odkaz:
https://doaj.org/article/1fd3823405034b439395523614d20cbf
Publikováno v:
Biogeosciences, Vol 16, Pp 2163-2180 (2019)
The stable sedimentary nitrogen isotope compositions of bulk organic matter (δ15Nbulk) and the silicon isotope composition of diatoms (δ30SiBSi) both mainly reflect the degree of past nutrient utilization by primary producers. However, in ocean are
Externí odkaz:
https://doaj.org/article/329c73bad8fb4384be6ef5322f345682
Spatial and Temporal Patterns of Pore Water Chemistry in the Inter-Tidal Zone of a High Energy Beach
Autor:
Hannelore Waska, J. Greskowiak, J. Ahrens, M. Beck, S. Ahmerkamp, P. Böning, H. J. Brumsack, J. Degenhardt, C. Ehlert, B. Engelen, N. Grünenbaum, M. Holtappels, K. Pahnke, H. K. Marchant, G. Massmann, D. Meier, B. Schnetger, K. Schwalfenberg, H. Simon, V. Vandieken, O. Zielinski, T. Dittmar
Publikováno v:
Frontiers in Marine Science, Vol 6 (2019)
Submarine groundwater discharge (SGD) is a ubiquitous source of meteoric fresh groundwater and recirculating seawater to the coastal ocean. Due to the hidden distribution of SGD, as well as the hydraulic- and stratigraphy-driven spatial and temporal
Externí odkaz:
https://doaj.org/article/a7f5c3141f2f47ca996a4028761b343b
Nutrient utilisation and weathering inputs in the Peruvian upwelling region since the Little Ice Age
Publikováno v:
Climate of the Past, Vol 11, Iss 2, Pp 187-202 (2015)
For this study two sediment cores from the Peruvian shelf covering the time period between the Little Ice Age (LIA) and present were examined for changes in productivity (biogenic opal concentrations (bSi)), nutrient utilisation (stable isotope compo
Externí odkaz:
https://doaj.org/article/1056757c6ab344ce8fa07e5bd02571ed
Publikováno v:
Climate of the Past, Vol 8, Iss 5, Pp 1435-1445 (2012)
The global Late Pliocene/Early Pleistocene cooling (~3.0–2.0 million years ago – Ma) concurred with extremely high diatom and biogenic opal production in most of the major coastal upwelling regions. This phenomenon was particularly pronounced in
Externí odkaz:
https://doaj.org/article/e8789c21bd874714a834ef82c3692e66
Publikováno v:
CIRED 2021 - The 26th International Conference and Exhibition on Electricity Distribution.
Publikováno v:
Atherosclerosis. 331:e12