River and groundwater samples were collected from Sanjiang Plain in Northeast China in middle Heilong River watershed from 2005 to 2007 to study the temporal and spatial distribution of water-soluble ionic iron(WSIFe,including Fe2+ and Fe3+).It can be concluded that the concentration of Fe2+ is generally higher than Fe3+ in the groundwater.The concentration of WSIFe ranged from 0.03 to 21.00 mg/L,with an average of 5.48 mg/L,and fluctuated with the groundwater level.In the river water samples,WSIFe presented in form of Fe3+,and the concentration of WSIFe ranged from 0.04 to 2.05 mg/L,with an average of 0.42 mg/L.The content reached a peak in the flood season.The concentration of WSIFe in the rivers derived from marsh is much higher compared to the river derived from forest areas.The WSIFe flux of upper-middle Heilong River,lower Songhua River and lower Wussuri River was 200?105 kg/yr,240?105 kg/yr and 70?105 kg/yr,respectively.
PAN Yue-Peng, YAN Bai-Xing, LU Yong-Zheng, YOH Muneoki, ZHANG Feng-Ying
. Distribution of Water-soluble Iron in Water Environment of Sanjiang Plain[J]. SCIENTIA GEOGRAPHICA SINICA, 2007
, 27(6)
: 820
-824
.
DOI: 10.13249/j.cnki.sgs.2007.06.820
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