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  • English  (2)
  • 2010-2014  (2)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Bryophyte ecology and climate change (2011)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: AWI Bio-22-94882
    Type of Medium: Monograph available for loan
    Pages: XXI, 506 Seiten , Illustrationen
    ISBN: 978-0-521-75777-5 (pbk) , 978-0-521-76763-7 (hbk)
    URL: Author biography
    URL: Table of Contents
    Language: English
    Note: Contents List of contributors Preface I Introductory Chapters 1 The Ecological Value of Biyophytes as Indicators of Climate Change / NANCY G. SLACK 2 Bryophyte Physiological Processes in a Changing Climate: an Overview / ZOLTÁN TUBA II Ecophysiology 3 Climatic Responses and Limits of Biyophytes: Comparisons and Contrasts with Vascular Plants / MICHAEL C. F. PROCTOR 4 Effects of Elevated Air C02 Concentration on Bryophytes: a Review / ZOLTÁN TUBA, EDIT ÖTVÖS, AND ILDIKÓ JÓCSÁK 5 Seasonal and Interannual Variability of Light and UV Acclimation in Mosses / NIINA M. LAPPALAINEN, ANNA HYYRYLÄINEN, AND SATU HUTTUNEN III Aquatic Bryophytes 6 Ecological and Physiological Effects of Changing Climate on Aquatic Bryophytes / JANICE M. GLIME 7 Aquatic Bryophytes under Ultraviolet Radiation / JAVIER MARTÍNEZ-ABAIGAR AND ENCARNACIÓN NÚÑEZ-OLIVERA IV Desert and Tropical Ecosystems 8 Responses of a Biological Crust Moss to Increased Monsoon Precipitation and Nitrogen Deposition in the Mojave Desert / LLOYD R. STARK, D. NICHOLAS MCLETCHIE, STANLEY D. SMITH, AND MELVIN J. OLIVER 9 Ecology of Bryophytes in Mojave Desert Biological Soil Crusts: Effects of Elevated CO2 on Sex Expression, Stress Tolerance, and Productivity in the Moss Syntrichia caninervis Mitt. / JOHN C. BRINDA, CATHERINE FERNANDO, AND LLOYD R. STARK 10 Responses of Epiphytic Bryophyte Communities to Simulated Climate Change in the Tropics / JORGE JÁCOME, S. ROBBERT GRADSTEIN, AND MICHAEL KESSLER V Alpine, Arctic, and Antarctic Ecosystems 11 Effects of Climate Change on Tundra Bryophytes / ANNIKA K. JÄGERBRAND, ROBERT G. BJÖRK, TERRY CALLAGHAN, AND RODNEY D. SEPPELT 12 Alpine Bryophytes as Indicators for Climate Change: a Case Study from the Austrian Alps / DANIELA HOHENWALLNER, HAROLD GUSTAV ZECHMEISTER, DIETMAR MOSER, HARALD PAULI, MICHAEL GOTTFRIED, KARL REITER, AND GEORG GRABHERR 13 Bryophytes and Lichens in a Changing Climate: An Antarctic Perspective / RODNEY D. SEPPELT VI Sphagnum and Peatlands 14 Living on the Edge: The Effects of Drought on Canada's Western Boreal Peatlands / MELANIE A. VILE, KIMBERLI D. SCOTT, ERIN BRAULT, R. KELMAN WlEDER, AND DALE H . VlTT 15 The Structure and Functional Features of Sphagnum Cover of the Northern West Siberian Mires in Connection with Forecasting Global Environmental and Climatic Changes / ALEKSEI V. NAUMOV AND NATALIA P. KOSYKH 16 The Southernmost Sphagnum-dominated Mires on the Plains of Europe: Formation, Secondary Succession, Degradation, and Protection / JÁNOS NAGY VII Changes in Bryophyte Distribution with Climate Change: Data and Models 17 The Role of Bryophyte Paleoecology in Quaternary Climate Reconstructions / GUSZTÁV JAKAB AND PÁL SÜMEGI 18 Signs of Climate Change in the Bryoflora of Hungary / TAMÁS PÓCS 19 Can the Effects of Climate Change on British Bryophytes be Distinguished from those Resulting from Other Environmental Changes? / JEFFREY W. BATES AND CHRISTOPHER D. PRESTON 20 Climate Change and Protected Areas: How well do British Rare Bryophytes Fare? / BARBARA J. ANDERSON AND RALF OHLEMÜLLER 21 Modeling the Distribution of Sematophyllum substrumulosum (Hampe) E. Britton as a Signal of Climatic Changes in Europe / CECÍLIA SÉRGIO, RUI FIGUEIRA, AND RUI MENEZES 22 Modeling Bryophyte Productivity Across Gradients of Water Availability Using Canopy Form-Function Relationships / STEVEN K. RICE, NATHALI NEAL, JESSE MANGO, AND KELLY BLACK VIII Conclusions 23 Bryophytes as Predictors of Climate Change / L. DENNIS GIGNAC 24 Conclusions and Future Research / NANCY G. SLACK AND LLOYD R. STARK Index
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  • 2
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    Surface and Wetting Properties of Diagenetic Minerals and Sedimentary Grains in Reservoir Rocks (NanoPorO) (2010)
    In:  GEOTECHNOLOGIEN Science Report
    Details
    Publication Date: 2020-02-12
    Description: Current secondary oil recovery measures allow for the recovery of a maximum of about 33 % of the oil in a reservoir. The remaining almost two third of the energy carrier are lost due to decreasing pressure, pore blocking, water inva- sion or hydrocarbon fluid adhesion to the rock. Therefore, fluids weakening the adhesion of hydrocarbons to pore walls and increasing permeability of the rock by e.g. mineral cement dissolution, are injected to the deposits in order to augment production. All such measures however, including enhanced oil recovery (EOR) methods such as the injection of supercritical CO2 may increase the recovery factor of the original oil in place by further 10 % only. Consequently, most of the hydrocarbon wealth in oil and gas reservoirs cannot be extracted and is lost to future generations. It is thus of high importance to understand the fundamental wetting processes in the pore space, to better develop the potential of oil and gas production from reservoir rocks and to secure the fossil energy supply. In siliciclastic oil and gas reservoir rocks, the pore space typically faces mineralogically varying sedimentary grains and various diagenetic minerals. Most common are mineral surfaces of quartz, feldspar, phyllosilicates, carbonates and iron oxides and hydroxides. This mineralogy surrounding the pore space, and the surface chemistry, topography and roughness on the micro and nano-scale rule the wetting behavior and adhesion properties of hydrocarbon fluids, water, or CO2 to the pore walls. The dispersion, migration, adhesion and reactivity of fluids in rocks depends also on pressure and temperature conditions, nevertheless, particularly the morphology of pore walls and the pore and pore-throat shapes, have a significant impact on the behavior of the water-gas contact depth (WGC) and on the potential recovery of hydrocarbons from the given reservoir rock. Each episode of fluid transport through the rock leaves a significant and characteristic trace in cement mineralogy, pore morphology, permeability, but often also in sediment grain or bioclast alteration. Such processes can be defined down to the nanoscale and play a crucial role in further mobility of hydrocarbons in rocks (Hassenkam et al., 2009). Sediment wetting varies with the alteration of the surfaces and depends on surface roughness, surface charges, and the chemical composition of the liquid phase (Al-Futaitsi et al., 2003; Al-Futaisi and Patzek, 2004). The interfacial tension of the fluids strongly depends on the composition of the coexisting phases (Sutjiadi-Sia et al., 2008). In addition, the presence of a supercritical (sc)CO2 phase can affect the wetting properties of the other phases due to mass exchange as a function of pressure (Foullac et al., 200; Sutjiadi-Sia et al., 2008; Jäger and Pietsch, 2009). It is, however, not clear how the specific conditions of the reservoir (p, T, surface chemistry and morphology) affect the interfacial tension of the relevant fluids. To understand the fundamental physico-chemistry helps to design new technologies for tertiary exploitation measures and for CO2-storage (Carbon Capture and Storage: CCS). In this project we investigate the relationship between various minerals or grains facing the pore space, to fluids in reservoir rocks and to CO2 and scCO2 (Altermann et al., 2008). In the following we report on the geological and physical characterization of the reservoir rock under investigation and on the characterization of wetting of rough model surfaces in scCO2.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
    Format: application/pdf
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