Auflistung nach Schlagwort "Biogeochemistry"

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  • Analysis of peat soil organic carbon, total nitrogen, soil water content and basal respiration: Is there a ‘best’ drying temperature? 
    Dettmann, Ullrich.; Kraft, Nicky Nancy; Rech, Raimund; Heidkamp, Arne; Tiemeyer, Bärbel (Amsterdam [u.a.] : Elsevier Science, 2021)
    Soil needs to be dried in order to determine water content, soil organic carbon content (SOC) and total nitrogen content (N). Water content is commonly measured using standard methods that involve drying temperatures of ...
  • How do sand addition, soil moisture and nutrient status influence greenhouse gas fluxes from drained organic soils? 
    Säurich, Annelle; Tiemeyer, Bärbel; Dettmann, Ullrich; Don, Axel (London : Elsevier Ltd., 2019)
    Drainage turns peatlands from natural carbon sinks into hotspots of greenhouse gas (GHG)emissions from soils due to alterations in hydrological and biogeochemical processes. As a consequence of drainage-induced mineralisation ...
  • Input of easily available organic C and N stimulates microbial decomposition of soil organic matter in arctic permafrost soil 
    Wild, Birgit; Schnecker, Jörg; Alves, Ricardo J. Eloy; Barsukov, Pavel; Barta, Jiri; Čapek, Petr; Gentsch, Norman; Gittel, Antje; Guggenberger, Georg; Lashchinskiy, Nikolay; Mikutta, Robert; Rusalimova, Olga; Šantrůčková, Hana; Shibistova, Olga; Urich, Tim; Watzka, Margarete; Zrazhevskaya, Galina; Richter, Andreas (London : Elsevier Ltd., 2014)
    Rising temperatures in the Arctic can affect soil organic matter (SOM) decomposition directly and indirectly, by increasing plant primary production and thus the allocation of plant-derived organic compounds into the soil. ...
  • Natural colloid mobilization and leaching in wettable and water repellent soil under saturated condition 
    Sepehrnia, Nasrollah; Fishkis, Olga; Huwe, Bernd; Bachmann, Jörg (Berlin : De Gruyter, 2018)
    The coupled transport of pollutants that are adsorbed to colloidal particles has always been a major topic for environmental sciences due to many unfavorable effects on soils and groundwater. This laboratory column study ...
  • Nitrogen dynamics in Turbic Cryosols from Siberia and Greenland 
    Wild, Birgit; Schnecker, Jörg; Bárta, Jiri; Čapek, Petr; Guggenberger, Georg; Hofhansl, Florian; Kaiser, Christina; Lashchinskiy, Nikolay; Mikutta, Robert; Mooshammer, Maria; Šantrůčková, Hana; Shibistova, Olga; Urich, Tim; Zimov, Sergey A.; Richter, Andreas (Amsterdam : Elsevier, 2013)
    Turbic Cryosols (permafrost soils characterized by cryoturbation, i.e., by mixing of soil layers due to freezing and thawing) are widespread across the Arctic, and contain large amounts of poorly decomposed organic material ...
  • Soil HONO emissions at high moisture content are driven by microbial nitrate reduction to nitrite: tackling the HONO puzzle 
    Wu, Dianming; Horn, Marcus A.; Behrendt, Thomas; Müller, Stefan; Li, Jingsong; Cole, Jeff A.; Xie, Baohua; Ju, Xiaotang; Li, Guo; Ermel, Michael; Oswald, Robert; Fröhlich-Nowoisky, Janine; Hoor, Peter; Hu, Chunsheng; Liu, Min; Andreae, Meinrat O.; Pöschl, Ulrich; Cheng, Yafang; Su, Hang; Trebs, Ivonne; Weber, Bettina; Sörgel, Matthias (Basingstoke : Nature Publishing Group, 2019)
    Nitrous acid (HONO) is a precursor of the hydroxyl radical (OH), a key oxidant in the degradation of most air pollutants. Field measurements indicate a large unknown source of HONO during the day time. Release of nitrous ...