Calculate the coordinates in the Durov plot.
durov_transform(Ca, Mg, Na, K, HCO3, CO3, Cl, SO4, pH, TDS)
| Ca | A numeric vector with the Ca concentration |
|---|---|
| Mg | A numeric vector with the Mg concentration |
| Na | A numeric vector with the Na concentration |
| K | A numeric vector with the K concentration |
| HCO3 | A numeric vector with the HCO3 concentration |
| CO3 | A numeric vector with the CO3 concentration |
| Cl | A numeric vector with the Cl concentration |
| SO4 | A numeric vector with the SO4 concentration |
| pH | A numeric vector with the pH concentration |
| TDS | A numeric vector with the TDS concentration |
A list with the following entries
cx_mnsquare, cy_mnsquare