Regional pH Change in Groundwater Between Field and Laboratory Analyses, Temperature, Groundwater Silicon, Agricultural Soil pH and Soil-Type Distribution in Finland

Abstract

Silicates are a part of carbonate-silicate cycle, but the role of silicon (Si) in pH regulation of groundwater and agricultural soil (soil) is not as well clarified. Groundwater (gw) pH is different in immediate analysis on the field (pH.gw.field) to the laboratory survey (pH.gw.lab). The purpose of this manuscript is to describe regional associations between temperature (Temp), Si.gw, pH.soil, pH. gw´s and their difference (Δ. pH.gw), as well as proportion of organic (Prp.org) and coarse mineral soil-types sine silt (Prp. coms) and suggest explanations.