{"title":"Determine of Constant Coefficients to RelateTotal Dissolved Solids to Electrical Conductivity","authors":"M. Siosemarde, F. Kave, E. Pazira, H. Sedghi, S. J. Ghaderi","country":null,"institution":"","volume":46,"journal":"International Journal of Geological and Environmental Engineering","pagesStart":457,"pagesEnd":460,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/4280","abstract":"Salinity is a measure of the amount of salts in the\r\nwater. Total Dissolved Solids (TDS) as salinity parameter are often\r\ndetermined using laborious and time consuming laboratory tests, but\r\nit may be more appropriate and economical to develop a method\r\nwhich uses a more simple soil salinity index. Because dissolved ions\r\nincrease salinity as well as conductivity, the two measures are\r\nrelated. The aim of this research was determine of constant\r\ncoefficients for predicting of Total Dissolved Solids (TDS) based on\r\nElectrical Conductivity (EC) with Statistics of Correlation\r\ncoefficient, Root mean square error, Maximum error, Mean Bias\r\nerror, Mean absolute error, Relative error and Coefficient of residual\r\nmass. For this purpose, two experimental areas (S1, S2) of Khuzestan\r\nprovince-IRAN were selected and four treatments with three\r\nreplications by series of double rings were applied. The treatments\r\nwere included 25cm, 50cm, 75cm and 100cm water application. The\r\nresults showed the values 16.3 & 12.4 were the best constant\r\ncoefficients for predicting of Total Dissolved Solids (TDS) based on\r\nEC in Pilot S1 and S2 with correlation coefficient 0.977 & 0.997 and\r\n191.1 & 106.1 Root mean square errors (RMSE) respectively.","references":null,"publisher":"World Academy of Science, Engineering and Technology","index":"Open Science Index 46, 2010"}