Geochemical Distribution of Inorganic Carbon in Surface Soil of Hebei Plain, China

摘要

Based on the data obtained by multi-purpose regional geochemical survey, this paper studies the spatial distribution of inorganic carbon, the reserve of soil inorganic carbon in the surface soil of Hebei Plain. The results showed that the spatial distribution of soil carbon had close relationship with soil type and landform, especially the old channel and lake. In addition, it also was influenced by human activity. Inorganic carbon storage was 145.735Mt and density was 1.966 kg/m~2. the reserve of alluvial soil and cinnamon soil was the maximum, and the two highest density soil types were meadow saline soil and alluvial soil. Inorganic carbon in alluvial soil was secondary carbonate, but that in cinnamon soil was primary carbonate.