摘要
将土壤水分传感器固定的埋入地表以下不同深度,实时监测土壤墒情变化,可以为墒情(旱情)的预测预报提供依据。自2003年11月11日开始,在北京大兴芦城北京水利水电中心基地内安装了8个土壤水分传感器,每天间隔4个小时测量表层下10 cm、20 cm、30 cm、40 cm、50 cm、60 cm、80 cm、100 cm的土壤体积含水率。本文通过对墒情数据的相关分析、方差分析等,认为土壤水分传感器的合适埋设位置是地表下10 cm、30 cm、60 cm、100 cm处。
It can provide basis for calculating and forecasting of soil moisture content （drought） by laying the moisture sensors in different depths under the earth and watching the changes at all times. And the laying place of the moisture sensor is the key matter. The author has installed 8 moisture sensors in Lucheng Irrigation and Hydroelectric Center Base in Daxing Town of Beijng from l lth November in 2003, and calculated the moisture rates in soil body at 10 ,20 ,30 ,40 ,50 ,60 ,80 ,100cm under the earth every four hours per day. In this paper , the moisture sensor laying place at 10,30,60,100cm under the earth is suggested through the related analysis of the data of soil moisture content.
出处
《莱阳农学院学报》
2006年第3期179-184,共6页
Journal of Laiyang Agricultural College
基金
国家高技术研究发展计划(863计划)重大专项课题"作物水分信息采集与精量控制用水技术研究与开发"(2002AA6Z3071)
关键词
墒情监测
墒情预报
土壤水分传感器
埋设深度
watching soil moisture content
calculating of soil moisture content
moisture sensor
laying deepness
