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- ItemCLIME/RADIMP : Schlussbericht zum Forschungsvorhaben CLIME: Klimaänderungen in der Mesosphäre, climate changes in the mesosphere ; RADIMP: Non-LTE Studie des Strahlungseinflusses der unteren Atmosphäre auf die Mesosphäre/untere Thermosphäre, Non-LTE study of the radiative impact of the lower atmosphere on the mesosphere/lower thermosphere(Hannover : Technische Informationsbibliothek (TIB), 2005) Lübken, Franz-Josef[no abstract available]
- ItemIntegrierte Abschätzung der Änderungen der thermohalinen Zirkulation (INTEGRATION) : Schlussbericht INTEGRATION(Hannover : Technische Informationsbibliothek (TIB), 2006) Kuhlbrodt, Till; Rahmstorf, Stefan[no abstract available]
- ItemEmission fluxes and atmospheric degradation of monoterpenes above a boreal forest: Field measurements and modelling(Milton Park : Taylor & Francis, 2001) Spanke, Jörg; Rannik, Üllar; Forkel, Renate; Nigge, Walter; Hoffman, ThorstenThe contribution of monoterpenes to aerosol formation processes within and above forests is not well understood. This is also true for the particle formation events observed during the BIOFOR campaigns in Hyytiälä, Finland. Therefore, the diurnal variation of the concentrations of several biogenic volatile organic compounds (BVOCs) and selected oxidation products in the gas and particle phase were measured on selected days during the campaigns in Hyytiälä, Finland. α-pinene and Δ3-carene were found to represent the most important monoterpenes above the boreal forest. A clear vertical gradient of their concentrations was observed together with a change of the relative monoterpene composition with height. Based on concentration profile measurements of monoterpenes, their fluxes above the forest canopy were calculated using the gradient approach. Most of the time, the BVOC fluxes show a clear diurnal variation with a maximum around noon. The highest fluxes were observed for α-pinene with values up to 20 ng m−2 s−1 in summer time and almost 100 ng m−2 s−1 during the spring campaign. Furthermore, the main oxidation products from α-pinene, pinonaldehyde, and from β-pinene, nopinone, were detected in the atmosphere above the forest. In addition to these more volatile oxidation products, pinic and pinonic acid were identified in the particle phase in a concentration range between 1 and 4 ng m−3. Beside these direct measurement of known oxidation products, the chemical sink term in the flux calculations was used to estimate the amount of product formation of the major terpenes (α-pinene, β-pinene, Δ3-carene). A production rate of very low volatile oxidation products (e.g., multifunctional carboxylic) from ·OH- and O3-reaction of monoterpenes of about 1.3·104 molecules cm−3 s−1 was estimated for daylight conditions during summer time. Additionally, model calculations with the one-dimensional multilayer model CACHE were carried out to investigate the diurnal course of BVOC fluxes and chemical degradation of terpenes.
- ItemECOMA - Existence and charge state of meteoric dust particles in the middle atmosphere : Abschlussbericht zum Vorhaben(Hannover : Technische Informationsbibliothek (TIB), 2009) Rapp, Markus[no abstract available]
- ItemThermische Untersuchungen - Machbarkeitsstudie HDR Wärme- und Stromnutzungskonzept Bad Urach(Hannover : Technische Informationsbibliothek (TIB), 2009) Schellschmidt, Rüdiger[no abstract available]
- ItemVorhaben Geophysikalische Begleitung der Errichtung des Geothermischen Kraftwerkes Unterhaching : Abschlußbericht(Hannover : Technische Informationsbibliothek (TIB), 2004) Thomas, Rüdiger; Schulz, Rüdiger[no abstract available]
- ItemHot-Dry-Rock-Projekt Soultz: zweite Phase der Erstellung einer wissenschaftlichen Pilotanlage : Endbericht(Hannover : Technische Informationsbibliothek (TIB), 2009) Schellschmidt, Rüdiger[no abstract available]
- ItemAufbau eines geothermischen Informationssystems für Deutschland : Endbericht(Hannover : Technische Informationsbibliothek (TIB), 2009) Schulz, Rüdiger[no abstract available]
- ItemUntersuchungen zur chemischen Zusammensetzung der organischen Komponente des troposphärischen Aerosols : AFS-Abschlußbericht(Hannover : Technische Informationsbibliothek (TIB), 2002) Hoffmann, Th.; Warscheid, Bettina; Nigge, Walter; Kückelmann, Ulrich[no abstract available]
- ItemModellierung troposphärischer Mehrphasenprozesse: Werkzeuge und chemische Mechanismen, Akronym: MODMEP : Abschlussbericht zum AFO2000-Verbundprojekt ; ein Beitrag zum Bereich A von AFO 2000 "Forschung zur Verbesserung des Systemverständnisses der Atmosphäre ; zum Forschungsschwerpunkt "Mehrphasenprozesse in der Troposphäre und Stratosphäre"(Hannover : Technische Informationsbibliothek (TIB), 2005) Wolke, Ralf; Knoth, Oswald; Herrmann, Hartmut; Simmel, Martin; Müller, Frank; Mauersberger, Günther[no abstract available]