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The Extension of Statistical Entropy Analysis to Chemical Compounds


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1

Centre for Water Resource Systems, Vienna University of Technology, Karlsplatz 13-E222, A-1040 Vienna, Austria

2

Institute for Water Quality, Resource and Waste Management, Vienna University of Technology, Karlsplatz 13-226, A-1040 Vienna, Austria





*

Author to whom correspondence should be addressed.



Abstract Statistical entropy analysis SEA quantifies the dilution and concentration of conservative substances e.g., heavy metals in a system. In this paper, the SEA concept is extended eSEA to make it applicable to systems in which the chemical speciation is of particular importance. The eSEA is applied to a simplified region used for crop farming. The extent to which the region concentrates or dilutes nitrogen compounds is expressed as the change in statistical entropy DH. A detailed derivation for the calculation of DH is provided. The results are discussed for four variations of the crop farming system, showing that the efficiency of crop farming can be expressed by eSEA. View Full-Text

Keywords: chemical compounds; concentrating power; crop farming; diluting extent; evaluation; nitrogen; statistical entropy chemical compounds; concentrating power; crop farming; diluting extent; evaluation; nitrogen; statistical entropy





Autor: Alicja P. Sobańtka 1, Matthias Zessner 1,2 and Helmut Rechberger 1,2,*

Fuente: http://mdpi.com/



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