The Extension of Statistical Entropy Analysis to Chemical Compounds

Entropy

Alicja P. Sobańtka¹  Matthias Zessner¹ 

[1] Centre for Water Resource Systems, Vienna University of Technology, Karlsplatz 13/E222, A-1040 Vienna, Austria; E-Mail:

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

DOI  :  10.3390/e14122413

来源: mdpi

【 摘 要 】

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 (ΔH). A detailed derivation for the calculation of ΔH 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.

【 授权许可】

CC BY   
© 2012 by the authors; licensee MDPI, Basel, Switzerland.