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SCIENTIA GEOGRAPHICA SINICA >

2007 , Vol. 27 >Issue 6: 820 - 824

DOI: https://doi.org/10.13249/j.cnki.sgs.2007.06.820

Distribution of Water-soluble Iron in Water Environment of Sanjiang Plain

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  • 1. Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, Jilin 130012;
    2. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;
    3. Department of Agriculture, Tokyo University of Agriculture and Technology, Tokyo Japan 183-8509;
    4. Graduate University of the Chinese Academy of Sciences, Beijing 100049

Received date: 2006-11-17

  Revised date: 2007-04-04

  Online published: 2007-11-20

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Abstract

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.

Cite this article

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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