Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Geochemical parameters of the spring water with increasing distance from the spring outlet. (A) Oxygen concentration in the stream water at four different time points; (B) Fe(II) and Fe(III) concentrations determined in the water of the stream at four time points; (C) alkalinity, carbonate concentration, and pH at three different time points.
