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Search: WFRF:(Alm G)

  • Result 1-10 of 162
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  • Abazov, V. M., et al. (author)
  • Search for particles decaying into a Z boson and a photon in p(p)over-bar collisions at root s=1.96 TeV
  • 2006
  • In: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 641:6, s. 415-422
  • Journal article (peer-reviewed)abstract
    • We present the results of a search for a new particle X produced in p (p) over bar collisions at root s- = 1.96 TeV and subsequently decaying to Z gamma. The search uses 0.3 fb(-1) of data collected with the DO detector at the Fermilab Tevatron Collider. We set limits on the production cross section times the branching fraction sigma(p (p) over bar -> X) x B(X -> Z gamma) that range from 0.4 to 3.5 pb at the 95% C.L. for X with invariant masses between 100 and 1000 GeV/c(2), over a wide range of X decay widths.
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  • Charman, D. J., et al. (author)
  • Climate-related changes in peatland carbon accumulation during the last millennium
  • 2013
  • In: Biogeosciences. - : Copernicus GmbH. - 1726-4189. ; 10:2, s. 929-944
  • Journal article (peer-reviewed)abstract
    • Peatlands are a major terrestrial carbon store and a persistent natural carbon sink during the Holocene, but there is considerable uncertainty over the fate of peatland carbon in a changing climate. It is generally assumed that higher temperatures will increase peat decay, causing a positive feedback to climate warming and contributing to the global positive carbon cycle feedback. Here we use a new extensive database of peat profiles across northern high latitudes to examine spatial and temporal patterns of carbon accumulation over the past millennium. Opposite to expectations, our results indicate a small negative carbon cycle feedback from past changes in the long-term accumulation rates of northern peatlands. Total carbon accumulated over the last 1000 yr is linearly related to contemporary growing season length and photosynthetically active radiation, suggesting that variability in net primary productivity is more important than decomposition in determining long-term carbon accumulation. Furthermore, northern peatland carbon sequestration rate declined over the climate transition from the Medieval Climate Anomaly (MCA) to the Little Ice Age (LIA), probably because of lower LIA temperatures combined with increased cloudiness suppressing net primary productivity. Other factors including changing moisture status, peatland distribution, fire, nitrogen deposition, permafrost thaw and methane emissions will also influence future peatland carbon cycle feedbacks, but our data suggest that the carbon sequestration rate could increase over many areas of northern peatlands in a warmer future.
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  • Rijal, Dilli P., et al. (author)
  • Sedimentary ancient DNA shows terrestrial plant richness continuously increased over the Holocene in northern Fennoscandia
  • 2021
  • In: Science Advances. - : American Association for the Advancement of Science (AAAS). - 2375-2548. ; 7:31
  • Journal article (peer-reviewed)abstract
    • The effects of climate change on species richness are debated but can be informed by the past. Here, we generated a sedimentary ancient DNA dataset covering 10 lakes and applied novel methods for data harmonization. We assessed the impact of Holocene climate changes and nutrients on terrestrial plant richness in northern Fennoscandia. We find that richness increased steeply during the rapidly warming Early Holocene. In contrast to findings from most pollen studies, we show that richness continued to increase thereafter, although the climate was stable, with richness and the regional species pool only stabilizing during the past three millennia. Furthermore, overall increases in richness were greater in catchments with higher soil nutrient availability. We suggest that richness will increase with ongoing warming, especially at localities with high nutrient availability and assuming that human activity remains low in the region, although lags of millennia may be expected.
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  • Result 1-10 of 162
Type of publication
journal article (121)
conference paper (35)
other publication (4)
book (1)
research review (1)
Type of content
peer-reviewed (112)
other academic/artistic (49)
pop. science, debate, etc. (1)
Author/Editor
Alm, J (22)
Hansson, M (15)
Scheynius, A (15)
Pershagen, G (14)
Lilja, G (14)
Alm, G (14)
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KLARESKOG, L (13)
Alm, G V (11)
Alfredsson, L (10)
Alm, A. (9)
Ronnblom, L. (8)
Ronnelid, J (8)
Alm Carlsson, G (8)
ALM, C (7)
Gobl, Anders (7)
Padyukov, L (7)
Alm, JS (7)
Swartz, J (7)
Erhardt, S (6)
Engberg, G (6)
Holmdahl, R (5)
Alm, Per (5)
Saevarsdottir, S (5)
Bertilsson, L (5)
Bergstrom, A (5)
Sandborg, Michael, 1 ... (5)
Alm, P (5)
Schwieler, L (5)
Joelsson-Alm, E (5)
Gustafsson, LL (4)
MASSELE, AY (4)
Koch, G. (4)
Eloranta, Maija-Leen ... (4)
Alm Rosenblad, Magnu ... (4)
von Mutius, E (4)
Braun-Fahrlander, C (4)
Sigurdsson, S (4)
Alm Carlsson, Gudrun ... (4)
Rönnblom, Lars (4)
Syvänen, Ann-Christi ... (4)
Birkhed, Dowen, 1946 (4)
Hedman, A (4)
Alm, Albert (4)
Wendt, Lill-Kari (4)
Hensvold, A (4)
Joshua, V (4)
Alm-Roijer, Carin (4)
Askling, J (4)
Westerlind, H (4)
Lundberg, K. (4)
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University
Karolinska Institutet (86)
Uppsala University (47)
Lund University (21)
University of Gothenburg (19)
Linköping University (16)
Umeå University (7)
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Örebro University (6)
Linnaeus University (5)
Royal Institute of Technology (4)
Halmstad University (4)
Jönköping University (4)
Stockholm University (3)
Malmö University (3)
Chalmers University of Technology (2)
Swedish University of Agricultural Sciences (2)
University of Gävle (1)
Mälardalen University (1)
Swedish Museum of Natural History (1)
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Language
English (158)
Swedish (2)
Undefined language (2)
Research subject (UKÄ/SCB)
Medical and Health Sciences (38)
Natural sciences (13)
Social Sciences (4)
Agricultural Sciences (1)

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