摘要
为了掌握水稻田在调洪滞涝中的作用及其影响因素,以湖北省汉川市的洪西垸径流区为例,分析了水田旱地的排水径流特点,利用DRAINMOD模型对水田旱地的排水径流过程进行了模拟分析。结果表明,模拟的排水径流量与实测值吻合较好,且旱地的模拟效果优于水田;在汛期即水田旱地作物生长期内,水田区的排水径流量小于旱地区,水稻田可较好地起到拦蓄径流的作用。
To find out the retention capacity of paddy field and the influencing factors,Hongxiyuan Experimental Zone in Hanchuan City is taken as an example in this paper.The rules of drainage runoff in paddy area and arid area are investigated.And then the DRAINMOD model is applied to simulate drainage runoff process in these two kinds of farmlands.The results show that there is a good agreement between simulated and observed values of the total drainage runoff,and the simulation effect of arid land is better than that of paddy field;the drainage runoff of paddy field is less than arid land during the flood season,which is also crop growth period;paddy field can preferably intercept runoff.
出处
《水电能源科学》
北大核心
2013年第6期159-162,211,共5页
Water Resources and Power
基金
国家自然科学基金资助项目(50979073/E090101)
关键词
水田旱地
排水径流
DRAINMOD
调洪滞涝
paddy field and arid land
drainage runoff
DRAINMOD
flood and waterlogging disaster control
