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王爱娟,刘宝元,刘 刚.东北黑土区渍涝地岗中洼成因研究[J].农业工程学报,,():1-8.DOI:
东北黑土区渍涝地岗中洼成因研究
投稿时间:2011-02-17  
中文关键词:  渍涝地,岗中洼,弱透水层,渗透性
基金项目:国家重点基础发展规划项目(973)(2007CB407204)
作者单位
王爱娟 1. 长江科学院水土保持所 湖北武汉 4300102. 北京师范大学地理与遥感学院北京 100875 
刘宝元 2. 北京师范大学地理与遥感学院北京 100875 
刘 刚 2. 北京师范大学地理与遥感学院北京 100875 
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中文摘要:东北黑土区渍涝地不仅本身属于低产地,还会间接影响耕地造成高投入低产出,另外渍涝地还会加剧土壤侵蚀。岗中洼地属于渍涝地的一种,在九三垦区小流域广泛分布。通过野外土壤剖面观测和取样进行物理性质测定分析岗中洼成因。结果表明岗中洼的形成有三方面的原因,包括研究流域地下水埋藏浅,土壤剖面质地遵循粘壤土—砂壤土—弱透水层的规律;土壤渗透系数与土壤砾石含量和砂粒含量明显相关;以及在表层粘壤土土层薄,砂壤土层厚且透水性大的地方存在弱透水层而导致岗中洼。研究结果为岗中洼的整治改造提供了理论依据。
.Study on the formation of Gangzhongwa waterlogged land in the black soil region of northeast China[J].Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE),,():1-8.DOI:
Study on the formation of Gangzhongwa waterlogged land in the black soil region of northeast China
Author NameAffiliation
  
  
  
Key words:Waterlogged land, Gangzhongwa, aquitard, penetration
Abstract:Waterlogged land is not only of low productivity but also would indirectly make the adjacent farmland rather inefficient, which means higher input but lower crops yield. Moreover, waterlogged land would increase soil erosion. Gangzhongwa waterlogged land, common and widely distributed in Jiusan farmland area, is just one typically kind of the waterlogged land in the black soil region of northeastern China. Soil profiles observation and soil samples physical properties analysis methods were adopted to study the possible factors contribute to form the waterlogged land. According to the preliminary results of this study, Gangzhongwa waterlogged land forms by three principle mechanisms: 1) the water table of groundwater is shallow and the soil profile texture varied regularly from clay loam layer, sandy loam layer to aquitard layer; 2) soil penetration is significantly correlated with sand content and gravel content; 3) the thickness of the surface clay loam layer is thin, and the sandy layer is thick with larger penetration and a bottom aquitard layer. This study would present some theoretical insights for the Gangzhongwa waterlogged land reform.
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