Kooperativer Bibliotheksverbund

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Format: xxvi, 293 S. , graph. Darst.

Note: MAB0014.001: AWI G4-95-0109 , Contents: Extended Summary. - 1 Introduction. - 2 Susceptibility of Soils to Preferential Flow of Water: A Field Study. - 2.1 Introduction. - 2.2 Materials and Methods. - 2.2.1 Soils. - 2.2.2 Dye Tracer. - 2.2.3 Experimental Design. - 2.2.4 Sprinkling Apparatus. - 2.2.5 Flood Irrigation. - 2.2.6 Analysis of Data. - 2.3 Results and Discussion. - 2.3.1 Infiltration Patterns. - 2.3.2 Maximum Depth of Dye Penetration. - 2.3.3 Effect of Initial Water Content. - 2.3.4 Sprinkling versus Flood Irrigation. - 2.4 Conclusion. - 3 Transport of Herbicides: Experimental Results. - 3.1 Introduction. - 3.2 Materials and Methods. - 3.2.1 Experimental Site. - 3.2.2 Experimental Setup. - 3.2.3 Tracer Experiment. - 3.2.4 Chemical Analysis. - 3.3 Results. - 3.3.1 Water Content and Water Potential. - 3.3.2 Anions and Herbicides. - 3.4 Discussion. - 3.5 Conclusions. - 4 Transport of Herbicides: Modeling of Flow in Sandy Soil. - 4.1 Introduction. - 4.2 Theory. - 4.2.1 Assumptions. - 4.2.2 Model. - 4.2.3 Application. - 4.3 Estimation of Parameters. - 4.4 Results and Discussion. - 4.5 Conclusions. - 5 Transport of Herbicides: Modeling of Flow in Loamy Soil. - 5.1 Introduction. - 5.2 Theory. - 5.2.1 Local Interaction Models. - 5.2.2 Linking Local Interaction Models to DLA. - 5.3 Illustrations. - 5.4 Application to the Tracer Field Experiment. - 5.5 Discussion and Conclusions. - 6 Cooperative Research at University of California, Riverside. - 6.1 Introduction. - 6.2 Linear Transport Models for Adsorbing Solutes. - 6.3 Transport of Bromide, Simazine, and MS-2 Coliphage in a Lysimeter containing undisturbed, unsaturated Soil. - 6.4 Description of Simazine Transport with rate-limited, two-step linear and nonlinear Adsorption. - 6.5 Conclusions. - 7 Conclusions and Recommendations. - 7.1 Conclusions. - 7.2 Recommendations. - APPENDICES. - A Extraction and Analysis of Anions (Chloride and Bromide) from Soil Samples. - A.1 Preface. - A.1.1 General Information. - A.1.2 Guidelines. - A.1.3 Purpose. - A.2 Materials and Methods. - A.2.1 Chemicals. - A.2.2 Extraction of Soil Samples. - A.2.3 Analysis of Anions by HPLC. - B Extraction and Analysis of Triazines (Atrazine and Terbuthylazine) from Soil Samples. - B .1 Preface. - B.1.1 General Information. - B.1.2 Guidelines. - B.1.3 Purpose. - B.2 Materials and Methods. - B.2.1 Chemicals. - B.2.2 Materials. - B.2.3 Extraction of Soil Samples. - B.2.4 Analysis of Pesticides by GC. - B.3 Results. - C Extraction of Triasulfuron from Soil Samples. - C.1 Preface. - C.1.1 General Information. - C.1.2 Guidelines. - C.1.3 Purpose. - C.2 Materials and Methods. - C.2.1 Chemicals. - C.2.2 Materials. - C.2.3 Extraction of Soil Samples. - C.2.4 Analysis of Triasulfuron by Chemoluminescence-immunoassay. - C.2.5 Calculation of concentrations. - C.3 Results. - D Influence of Brilliant Blue FCF on the Adsorption Behavior of Atrazine and Triasulfuron. - D.1 Preface. - D.1.1 General Information. - D.1.2 Guidelines. - D.1.3 Purpose. - D.2 Materials and Methods. - D.2.1 Chemicals. - D.2.2 Apparatus. - D.2.3 Adsorption Experiments. - D.3 Results and Discussion. - E Sprinklingapparatur zur Simulation ungesättigten Stofftransportes in Feldböden. - F Begriffliche Ver(w)irrung: Pflanzenschutzmittel oder Pestizide ; Eine semantische Betrachtung. - G Bromide in the Natural Environment: Occurrence and Toxicity. - H Brilliant Blue FCF as a Dye Tracer for Solute Transport Studies - a Toxicological Overview. - I Tracer Characteristics of Brilliant Blue FCF. - J Glossary of Symbols. - Bibliography.

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Format: 145 Seiten , Illustrationen , 23 cm

ISBN: 3728125768 (kart.)

Series Statement: Schlußbericht NFP 31

Note: Inhaltsverzeichnis Zusammenfassung Résumé Summary 1 Einführung 1.1 Hydrologie des Gebirgswaldes im Winter 1.2 Arbeitshypothesen 1.3 Methodischer Ansatz 2 Standorte und Methoden 2.1 Standortwahl 2.2 Untersuchungsstandorte und deren Instrumentierung 2.2.1 Testfläche Davos 2.2.2 Testfläche Alptal 2.3 Verarbeitung der Bilder zur Schneeinterzeption 2.4 Modellierung des Wasser- und Wärmehaushaltes 2.4.1 Modellbeschrieb 2.4.2 Modellanwendung und Klimaszenarien 3 Ergebnisse der Feldmessungen 3.1 Winterverläufe in Davos und im Alptal 3.1.1 Davos 1993/94 3.1.2 Davos 1992/93 3.1.3 Alptal 1993/94 3.1.4 Standort vergleich des Interzeptionsverhaltens 3.1.5 Standortvergleich des Abflussverhaltens 3.2 Einzelereignisse im Alptal und in Davos 3.2.1 Testfläche Alptal 3.2.2 Testfläche Davos 3.3 Wassertransport in der Waldschneedecke 3.4 Zusammenfassung der Feldbeobachtungen 4 Ergebnisse der Modellsimulationen 4.1 Modellkalibrierung 4.1.1 Baumfläche Davos - Winter 1992/93 95 4.1.2 Baumfläche Alptal - Winter 1993/94 und Sommer 1994 4.2 Modelltest 4.2.1 Baurnfläche Davos - Winter 1993/94 4.2.2 Lichtungsfläche Davos - Winter 1993/94 4.3 Simulationen mit heutigen und veränderten Klimabedingungen 4.3.1 Vergleich des gemessenen und stochastisch simulierten Wetters 4.3.2 Auswirkungen einer Klimaänderung in Davos 4.3.3 Auswirkungen einer Klimaänderung im Alptal 4.4 Zusammenfassung der Modellergebnisse 5 Schlussbemerkungen Abbildungsverzeichnis Tabellenverzeichnis Literaturverzeichnis , Zusammenfassung in französischer und englischer Sprache

Language: German

Keywords: Forschungsbericht

URL: http://www.gbv.de/dms/goettingen/233771336.pdf