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  • 1
    Call number: ZS-065(27)
    In: Freiburger Schriften zur Hydrologie
    Type of Medium: Series available for loan
    Pages: VI, 105 S.
    Series Statement: Freiburger Schriften zur Hydrologie 27
    Classification:
    Hydrology
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Call number: S 91.0236(E-8) / Regal 35
    In: Publications of the Institute of Geophysics, Polish Academy of Sciences
    Type of Medium: Series available for loan
    Pages: 200 S.
    ISBN: 9788388765780
    Series Statement: Publications of the Institute of Geophysics, Polish Academy of Sciences : E, Water resources 8 = Vol. 404 [d. Gesamtw.] : monographic volume
    Classification:
    Hydrology
    Location: Magazine - must be ordered
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    Call number: M 10.0231
    Type of Medium: Monograph available for loan
    Pages: S. 161-232
    Series Statement: Hydrologie und Wasserbewirtschaftung 52, 4
    Classification:
    Hydrology
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
    Call number: 20-1/M 08.0445
    In: International hydrology series
    Description / Table of Contents: Contens: Preface: H. S. Wheater, S. Sorooshian and K. D. Sharma; 1. Modelling hydrological processes in arid and semi-arid areas - an introduction H. Wheater; 2. Global precipitation estimation from satellite imagery using artificial neural networks S. Sorooshian, K.-L. Hsu, B. Imam and Y. Hong; 3. Modelling semi-arid and arid hydrology and water resources - the southern Africa experience D. A. Hughes; 4. Use of the IHACRES rainfall-runoff model in arid and semi-arid regions B. F. W. Croke and A. J. Jakeman; 5. KINEROS2 and the AGWA modelling framework D. J. Semmens, D. C. Goodrich, C. L. Unkrich, R. E. Smith, D. A. Woolhiser and S. N. Miller; 6. A distributed spatial sediment delivery model for arid regions K. D. Sharma; 7. The Modular Modeling System (MMS): a toolbox for water and environmental resources management G. H. Leavesley, S. L. Markstrom, R. J. Viger and L. E. Hay; 8. Calibration, uncertainty and regional analysis of conceptual rainfall-runoff models H. Wheater, T. Wagener and N. McIntyre; 9. Real-time flow forecasting P. C. Young; 10. Real-time flood forecasting - Indian experience R. D. Singh; 11. Groundwater modeling in hard-rock terrain in semi-arid areas: experience from India S. Ahmed, J.-C. Maréchal, E. Ledoux and G. de Marsily;
    Type of Medium: Monograph available for loan
    Pages: IX, 195 S. , Ill., graph. Darst., Kt.
    ISBN: 0521869188 , 978-0-521-86918-8
    Series Statement: International hydrology series
    Classification:
    Hydrology
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 5
    Series available for loan
    Series available for loan
    Bochum : Inst. für Geologie, Mineralogie und Geophysik der Ruhr Univ.
    Associated volumes
    Call number: S 02.0314(14)
    In: Bochumer geowissenschaftliche Arbeiten
    Type of Medium: Series available for loan
    Pages: 378 S.
    Series Statement: Bochumer geowissenschaftliche Arbeiten 14
    Classification:
    Hydrology
    Note: Zugl.: Bochum, Univ., Diss., 2007
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 6
    Monograph available for loan
    Monograph available for loan
    Stuttgart : Schweizerbart
    Call number: 20-1/M 08.0189
    Description / Table of Contents: Welcher Anteil des Niederschlagswassers gelangt von landwirtschaftlich genutzten Flächen in Bäche und Flüsse? Wie stark und mit welchen Stoffen ist dieses abfließende Wasser belastet? Wie sehen die langfristigen Folgen aus? Das Buch ist eine allgemeine und umfassende Darstellung von kleinräumigen hydrologischen Prozessen im punktuellen cm-Bereich bis hin zum kleinen Einzugsgebiet. Diese abgestimmte Kombination von Theorie, Feldmessung und numerischer Modellierung ist zukunftsweisend für die moderne Hydrologie.
    Type of Medium: Monograph available for loan
    Pages: XI, 366 S.
    ISBN: 9783510652389
    Classification:
    Hydrology
    Location: Reading room
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  • 7
    Call number: S 00.0063(57)
    In: Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften
    Type of Medium: Series available for loan
    Pages: 200 S. , graph. Darst.
    ISBN: 9783510492046
    Series Statement: Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften 57
    Classification:
    Hydrology
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 8
    Series available for loan
    Series available for loan
    Freiburg i. Br. : Inst. für Hydrologie der Univ.
    Associated volumes
    Call number: ZS-065(26)
    In: Freiburger Schriften zur Hydrologie
    Description / Table of Contents: Knowledge about soil water transport and groundwater renewal rates is crucial for groundwater research and risk assessment. Particularly the impact of preferential flow paths in the unsaturated zone on pollutant transport is an important topic, as it affects the vulnerability of the adjacent aquifer. However, in literature the determination of preferential flow is only partly solved and especially quantification attempts have been rare. Therefore, a new method combining mathematical modelling with hydrological and environmental isotope data was developed to estimate the heterogeneity of the unsaturated transport processes. For this purpose, environmental isotope transport (18O, 2H) was investigated in several lysimeter experiments. A conceptual model was applied, which separates preferential and matrix flow. Both flow components are quantified and their transit time distribution functions are determined to construct specific vulnerability diagrams.Water flow and transport of environmental isotopes through the soil matrix was calculated using both a transient modelling approach solving numerically Richards and Convection-Dispersion-Equation for single porous medium and a lumped parameter approach using the Dispersion Model. The preferential flow component is assumed by piston flow occurring within one week and having no interaction with the soil matrix.For quantification a two component flow approach was applied to the isotope and hydrological data. The mean transit time distribution functions were obtained from the lumped parameter approach and visualized in specific vulnerability diagrams, showing when infiltrating water reaches the groundwater. This method was applied to different lysimeter experiments that were conducted under natural atmospheric conditions. Different lysimeters, filled mostly with sandy soil material, were under investigation to study the impact of soil properties and vegetation on the transport heterogeneity and amount of preferential flow.It was shown that the lumped parameter approach yielded good results modelling the isotope transport in the soils with bare surface. An application to the soils with vegetation required a modification of the classical input function including evapotranspiration and thus considering the infiltration events contributing to the discharge. Additional separation into the single vegetation periods improved the modelling.Preferential flow was observed in all soils and quantified with the two component flow approach. In bare sandy and gravel soils the mean fractions of preferential flow varied between 17 and 30 %. Here, the crucial parameter influencing these fractions was found to be the saturated hydraulic conductivity. In the cropped soils the mean fractions of preferential were dependent on the discharge rate and varied according to the vegetation. Mean fractions of 3 % and 18 % were observed in a loamy sand during intercrop period and cultivation of maize monoculture, respectively. The same soil material but cultivated with crop rotation yielded mean fractions of 14 % during maize, 4 % during winter barley and 15 % during the intercrop vegetation period. In a third experimental setup with sandy soil a mean fraction of 8 % was found.Specific vulnerability diagrams were constructed showing the mean transit time distribution functions of both, preferential and matrix flow. Their patterns were closely related to soil parameters. They can be used as a helpful tool to develop groundwater protection strategies more efficiently.It was shown that the presented method enabled the estimation of transport heterogeneity and the quantification of preferential flow under natural atmospheric conditions in bare and cropped lysimeters using environmental isotope data. Such isotopes are adequate tracer to study the transport processes in the unsaturated zone. It was revealed that experiments with continuous natural application like environmental tracers over long time periods were necessary to cover a broad range of flux variability and to determine transport heterogeneity.
    Type of Medium: Series available for loan
    Pages: VI, 111 S.
    Series Statement: Freiburger Schriften zur Hydrologie 26
    Classification:
    Hydrology
    Language: German
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 9
    Series available for loan
    Series available for loan
    Bochum : Inst. für Geologie, Mineralogie und Geophysik der Ruhr Univ.
    Associated volumes
    Call number: S 02.0314(13)
    In: Bochumer geowissenschaftliche Arbeiten
    Type of Medium: Series available for loan
    Pages: 133 S. , Ill., graph. Darst.
    Series Statement: Bochumer geowissenschaftliche Arbeiten 13
    Classification:
    Hydrology
    Note: Zugl.: Bochum, Univ., Diss., 2007
    Location: Lower compact magazine
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  • 10
    Monograph available for loan
    Monograph available for loan
    Long Grove, Ill. : Waveland Press
    Call number: 20-1/M 13.0120
    Description / Table of Contents: 1. Introduction to Hydrologic Science: Definition and Scope of Hydrology / Development of Scientific Hydrology. - 2. Basic Hydrologic Concepts: Physical Quantities and Laws / Hydrologic Systems / The Conservation Equations / The Watershed (Drainage Basin) / The Regional Water Balance / Spatial Variability / Temporal Variability / Storage, Storage Effects, and Residence Time / Hydrologic Modeling. - 3. Climate, the Hydrologic Cycle, Soils, and Vegetation: A Global Overview: Basic Aspects of Global Climate / The Global Hydrologic Cycle / Climate, Soils, and Vegetation. - 4. Precipitation: Meteorology of Precipitation / Measurement at a Point / Areal Estimation / Precipitation and Rainfall Climatology / Precipitation Quality. - 5. Snow and Snowmelt: Material Characteristics of Snow / Measurement of Snow and Snowmelt / Hydrologic Importance and Distribution of Snow / Snowmelt Processes / Snowmelt Modeling / Water-Quality Aspects. - 6. Water in Soils: Infiltration and Redistribution: Material Properties of Soil / Soil-Water Storage / Soil-Water Flow / Water Conditions in Natural Soils / Infiltration: Measurement and Qualitative Description / Quantitative Modeling of Infiltration at a Point / Redistribution. - 7. Evapotranspiration: Physics of Evaporation and Turbulent Energy Exchange / Classification of Evapotranspiration Processes / Free-Water, Lake, and Wetland Evaporation / Bare-Soil Evaporation / Transpiration / Interception and Interception Loss / Potential Evapotranspiration / Actual Evapotranspiration. - 8. Ground Water in the Hydrologic Cycle: Basic Principles of Ground-Water Flow / Regional Ground-Water Flow / Ground-WaterSurface-Water Reltions / Ground Water in the Regional Water Balance / Evaluation of Ground-Water-Balance Components / Impacts of Ground-Water Development on Basin Hydrology. - 9. Stream Response to Water-Input Events: Basic Aspects of Stream Response / Mechanisms Producing Event Response / Open-Channel Flow and Streamflow Routing / The Stream Network / Rainfall-Runoff Modeling / Rainfall-Runoff Models. - 10. Hydrology and Water-Resource Management: Water-Resource Management / Hydrologic Analysis: Water Supply and Demand / Hydrologic Analysis: Water Quality / Hydrologic Analysis: Floods / Hydrologic Analysis: Low Streamflows and Droughts / Current and Projected Water Use
    Type of Medium: Monograph available for loan
    Pages: X, 646 S. , Ill., graph. Darst., Kt. , 1 CD-ROM
    Edition: 2. ed., reissued
    ISBN: 1577665619 , 978-1-57766-561-8
    Classification:
    Hydrology
    Location: Reading room
    Branch Library: GFZ Library
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