tailieunhanh - Báo cáo toán học: " A new approach to investigate the interactions between sediment transport and ecotoxicological processes during flood events"

Tuyển tập các báo cáo nghiên cứu khoa học ngành toán học được đăng trên tạp chí toán học quốc tế đề tài: A new approach to investigate the interactions between sediment transport and ecotoxicological processes during flood events | Schuttrumpf et al. Environmental Sciences Europe 2011 23 39 http content 23 1 39 o Environmental Sciences Europe a SpringerOpen Journal COMMENTARY Open Access A new approach to investigate the interactions between sediment transport and ecotoxicological processes during flood events 1 2 1 1 3 4 Holger Schuttrumpf Markus Brinkmann Catrina Cofalla Roy M Frings Sabine U Gerbersdorf Markus Hecker c o s r- I I_Il I 4 I T2 I I I L-1 Iss-s I - V V I V V I 5 I 4 I r 6 c o r f- I0 r X r v7 4 Sebastian HUdjetz Ulrike Kammann Gottfried Lennartz Sebastian Roger Andreas schdffer and Henner Hollert2 Abstract Extreme hydrodynamic events such as flood events or dredging activities bear the risk of eroding sediments in rivers reservoirs harbour basins or estuaries. One of the key concerns associated with these erosion processes is the re-mobilisation of sediment-bound pollutants in highly contaminated sediments. To date much research has been conducted to characterise flow and sediment processes associated with hydrological events such as floods. Furthermore there is a large body of literature describing the interaction of contaminants associated with particulate matter to aquatic biota. However there is little knowledge regarding interactions between hydro-sedimentological and ecotoxicological processes. Understanding of the ecotoxicological consequences and associated risks to aquatic wildlife associated with hydraulic events can provide critical information to regulatory bodies or managing authorities. Specifically it will aid in assessing risks associated with current management practices and will aid in developing more sustainable future management practices for waterways or harbours. Therefore a combined experimental methodology between hydraulic engineers and ecotoxicologists was developed to investigate the ecological and toxicological relevance of sediment re-suspension and transport during erosion. An overview of this methodology is given in the present