松嫩平原冰雪融化期黑土水分变化规律

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英文篇名：Analysis on variations of black soil water in Songnen Plain during ice and snow thawing periods 作者：王子龙 ; 付强 ; 孟军 ; 王湘浩 ; 王晓巍 英文作者：WANG Zi-long;FU Qiang;MENG Jun;WANG Xiang-hao;WANG Xiao-wei;College of Water Conservancy and Architecture,Northeast Agricultural University;Collaborative Innovation Center of Grain Production Capacity Improvement in Heilongjiang Province;Postdoctoral Mobile Research Station of Agricultural and Forestry Economy Management,Northeast Agricultural University;College of Water Conservancy and Electric Power,Heilongjiang University; 关键词：松嫩平原 ; 黑土 ; 冻融土壤 ; 土壤水分 ; 积雪 英文关键词：Songnen Plain;;black soil;;freezing-thawing soil;;soil water;;snow 中文刊名：NSBD 英文刊名：South-to-North Water Transfers and Water Science & Technology 机构：东北农业大学水利与建筑学院;黑龙江省粮食产能提升协同创新中心;东北农业大学农林经济管理博士后科研流动站;黑龙江大学水利电力学院; 出版日期：2014-12-03 11:32 出版单位：南水北调与水利科技 年：2015 期：v.13;No.76 基金：黑龙江省教育厅科学技术研究项目(12521016) 语种：中文; 页：NSBD201501043 页数：3 CN：01 ISSN：13-1334/TV 分类号：177-179

摘要

通过冰雪融化期黑土水分野外观测试验,对松嫩平原4种不同积雪覆盖地表条件下的土壤总含水量变化规律进行了分析。结果表明,不同边界条件下,土壤总含水量的变化趋势不同,0~40cm土层的表现尤为显著,显示出土壤水分变化对地表条件的响应存在明显的时间差异;积雪覆盖的反"S"型水分剖面与裸地的反"C"型水分剖面主要区别在于140cm以下土层。研究结果可为松嫩平原黑土区冻融期土壤水分调控与管理提供科学依据。
        On the basis of the field observation of black soil water during the ice and snow thawing periods,the variations of total soil water content under four different snow cover conditions in the Songnen Plain were analyzed.The results showed that the variation tendencies of total soil water content are different under different surface conditions,especially in the soil layer with the depth of 0~40cm,and soil water variation has obvious response time difference to the surface condition.The difference of soil water content between the reverse S-shaped moisture profile of snow covered soil and the reverse C-shaped moisture profile of bare soil existed in the soil layer below the depth of 140 cm.The research results can provide the scientific basis for the freezing-thawing soil water control and management in the black soil area of the Songnen Plain.

引文

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