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Position: Home > Articles > Study on Calibration of Soil Water Measurement by Neutron Probe in Grassy Wetland Area in Horqin Sandy Land Dune Alternated with Wetland Area Water Saving Irrigation 2011 (3) 26-28

中子仪测量草甸地土壤水分含量的标定研究——科尔沁沙地坨甸相间地区

作  者:
于炜;刘小燕;黄达;韩慧明
单  位:
内蒙古农业大学水利与土木建筑工程学院呼和浩特市水文勘测局;呼和浩特市水文勘测局;内蒙古农业大学水利与土木建筑工程学院;内蒙古通辽市水务局
关键词:
中子仪;土壤水分;草甸地;三点平滑
摘  要:
中子仪是目前广泛用于土壤水分动态监测的重要仪器。采用503DR型智能中子仪对科尔沁沙地坨甸相间地区的草甸地各试验点土壤水分进行测量,并用三点平滑原理对草甸地进行了分层标定。结果表明,在科尔沁沙地的草甸地区通过分层标定法中子仪可以得到精确的标定,是掌握草甸地土壤水分动态变化的重要前提性工作。
译  名:
Study on Calibration of Soil Water Measurement by Neutron Probe in Grassy Wetland Area in Horqin Sandy Land Dune Alternated with Wetland Area
作  者:
YU Wei1,LIU Xiao-yan1,HUANG Da2,Han Hui-ming3 (1.College of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University,Huhhot 010018,China;2.Huhhot Hydrological Bureau,Huhhot 010010,China;3.Wulanchabu Hydraulic Engineering Survey and Design Institute,Jining 012000,Inner Mongolia,China)
关键词:
neutron probe;soil water;grassy wetland area;three-point flat
摘  要:
Neutron probe is an important instrument which is widely used for dynamic monitoring of soil moisture.Precision measuring of soil moisture are being carried out in each grassy wetland experimental point in Horqin Sandy Land dune alternated with wetland area by use the neutron probe 503DR.Then stratified calibration for the data on meadow land area based on the three-point flat principle is implemented.The results show that stratified calibration can get precise calibration.And this method is the important prerequisite work to master the dynamics of soil water content on meadow land.

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