基于DZN2型自动土壤水分观测仪对比观测分析  

Comparative Observation and Analysis Based on DZN2-type Automatic Soil Moisture Observation Instrument

作　　者：安素霞 李佳 王艳斌[1] AN Suxia;LI Jia;WANG Yanbin

机构地区：[1]中国电子科技集团公司第二十七研究所,河南郑州450047

出　　处：《科技创新与应用》2019年第15期22-23,26,共3页Technology Innovation and Application

摘　　要：土壤水分观测是农业、气象、水利等的重要项目,其数据可用性是业务部分关心的问题,文章从差值、相关性、标准偏差三个方面对郑州站半年多的对比观测数据进行了分析,重点分析了覆盖物差异时的外观表现、影响程度、处理方法,得出结论:该台站的自动土壤水分观测仪的数据是能够满足业务应用要求的,对设备的定期维护是保证数据可用性的关键,为台站常规维护提供了一种方法。Soil moisture observation is an important item in agriculture, meteorology, water conservancy and so on. The usability of data is a concern of business. This paper analyses the comparative observation data of Zhengzhou Station for more than half a year from three aspects: difference, correlation and standard deviation. It focuses on the analysis of the appearance, influence degree and treatment method of the difference of mulch, and draws a conclusion that the data of soil moisture observer can meet the requirements of business application. Periodic maintenance of equipment is the key to ensure the availability of data and provides a method for routine maintenance of stations.

关 键 词：对比观测 差值 相关性 标准偏差 覆盖物 

分 类 号：S152.7[农业科学—土壤学]