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Academic literature on the topic 'Stofffracht'
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Journal articles on the topic "Stofffracht"
Hebbel, Hartmut. "Analyse „stetigkeitsbasierter“ Methoden zur Bestimmung von Stofffrachten in Fließgewässern." Environmental Sciences Europe 21, no. 6 (September 25, 2009): 527–38. http://dx.doi.org/10.1007/s12302-009-0085-x.
Full textGallé, T. "Stofffrachten, Immissionslage und guter ökologischer Zustand: Denkanstöße aus dem EU-LIFE+-Projekt M³ zur Evaluierung von Bewirtschaftungsmaßnahmen in der Wasserrahmenrichtlinie." Umweltwissenschaften und Schadstoff-Forschung 22, no. 6 (October 12, 2010): 656–60. http://dx.doi.org/10.1007/s12302-010-0166-x.
Full textKatzur, Joachim, and Falk Liebner. "Erste ergebnisse eines grosslysimeterversuches zu den auswirkungen der abraumsubstrate und aschemelioration auf sickerwasserbildung und stofffrachten der sickerwässer auf den kippen und halden des braunkohlenbergbaues∗." Archives of Agronomy and Soil Science 39, no. 1 (February 1995): 19–35. http://dx.doi.org/10.1080/03650349509365884.
Full textKatzur, Joachim, and Falk Liebner. "Erste ergebnisse eines grosslysimeterversuches zu den auswirkungen der abraumsubstrate und aschemelioration auf sickerwasserbildung und stofffrachten der sickerwässer aus den kippen und halden des braunkohlenbergbaues." Archives of Agronomy and Soil Science 39, no. 3 (June 1995): 175–88. http://dx.doi.org/10.1080/03650349509365900.
Full textDissertations / Theses on the topic "Stofffracht"
Zweynert, Ulrike. "Möglichkeiten und Grenzen bei der Modellierung von Nährstoffeinträgen auf Flussgebietsebene." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1239967648045-37533.
Full textDifferent models were used to analyse and calculate the amount and origin of the nutrient inputs into riverbasins. Recommended follow-up action can be derived from the model results to improve the river water quality. The interpretation of the modelling results requires the knowledge of the accurateness and the significance of the results. For the investigations, the MONERIS model as a conceptual model was applied in five European river catchments. Different approaches for data preparation as well as a different input data were resulting in a large variation of the calculated nutrient inputs and loads. It was shown, that the MONERIS model is applicable to calculate inputs and loads for periods of several years as well as for one year. In comparison with measured loads mean deviations less than 30% were found. Looking at a yearly timestep, the nutrient inputs and loads in years with mean precipitation conditions were well reproduced. Years with high or low precipitation tends to result in overor underestimation of the nutrient inputs and loads, caused by the calibration of the model coefficients for mean runoff conditions. Monthly inputs and loads were calculated with MONERIS for the first time. The comparison with measured loads shows high deviations. Model improvements have to bee made regarding runoff input values (and runoff components) and retention approach (in the model version before 2008). Furthermore the spatial model resolution was investigated. It could be shown, that the MONERIS model is applicable until a resolution of 1sq.km. In a further application, MONERIS was compared with the urban stormwater management model STORM. Even though there were differences in model approaches, it could be shown a relation between the models for a comprehensive consideration of the calculation of nutrient contamination. Subsequent, a new runoff reduced approach for load calculation based on measurements of runoff and concentrations is presented. This approach allows the calculation of yearly loads with higher precision compared with well-established approaches, if only a low number of concentration measurement is available. The loads calculated from runoff and concentration measurements were important for calibration and validation of nutrient input models and can help to improve there results
Zweynert, Ulrike. "Möglichkeiten und Grenzen bei der Modellierung von Nährstoffeinträgen auf Flussgebietsebene: Untersuchungen am Beispiel des Modells MONERIS." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23599.
Full textDifferent models were used to analyse and calculate the amount and origin of the nutrient inputs into riverbasins. Recommended follow-up action can be derived from the model results to improve the river water quality. The interpretation of the modelling results requires the knowledge of the accurateness and the significance of the results. For the investigations, the MONERIS model as a conceptual model was applied in five European river catchments. Different approaches for data preparation as well as a different input data were resulting in a large variation of the calculated nutrient inputs and loads. It was shown, that the MONERIS model is applicable to calculate inputs and loads for periods of several years as well as for one year. In comparison with measured loads mean deviations less than 30% were found. Looking at a yearly timestep, the nutrient inputs and loads in years with mean precipitation conditions were well reproduced. Years with high or low precipitation tends to result in overor underestimation of the nutrient inputs and loads, caused by the calibration of the model coefficients for mean runoff conditions. Monthly inputs and loads were calculated with MONERIS for the first time. The comparison with measured loads shows high deviations. Model improvements have to bee made regarding runoff input values (and runoff components) and retention approach (in the model version before 2008). Furthermore the spatial model resolution was investigated. It could be shown, that the MONERIS model is applicable until a resolution of 1sq.km. In a further application, MONERIS was compared with the urban stormwater management model STORM. Even though there were differences in model approaches, it could be shown a relation between the models for a comprehensive consideration of the calculation of nutrient contamination. Subsequent, a new runoff reduced approach for load calculation based on measurements of runoff and concentrations is presented. This approach allows the calculation of yearly loads with higher precision compared with well-established approaches, if only a low number of concentration measurement is available. The loads calculated from runoff and concentration measurements were important for calibration and validation of nutrient input models and can help to improve there results.
Mense-Stefan, Anna. "Standortdifferenzierte Abschätzung von Sickerwasserraten in Hessen : ein Beitrag zur Ermittlung von Stofffrachten aus dem Boden /." Mainz : Geographisches Institut der Johannes Gutenberg Universität, 2005. http://catalogue.bnf.fr/ark:/12148/cb40944027v.
Full textBooks on the topic "Stofffracht"
Mense-Stefan, Anna. Standortdifferenzierte Abschätzung von Sickerwasserraten in Hessen: Ein Beitrag zur Ermittlung von Stofffrachten aus dem Boden. Mainz: Geographisches Institut der Johannes Gutenberg Universität, 2005.
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