农田小气候自动观测系统效能评估  

Performance Evaluation of Automatic Farmland Microclimate Observation System

作　　者：杨爱萍[1] 杜筱玲[1] 郭瑞鸽[1] 刘文英[1] 

机构地区：[1]江西省气象台,南昌330046

出　　处：《气象科技》2013年第2期278-281,299,共5页Meteorological Science and Technology

基　　金：公益性行业(气象)专项项目(编号:GYHY200906033)资助

摘　　要：介绍了架设于稻田的农田小气候自动观测系统,并采用气象站数据与该系统采集的气象数据进行对比,分析该系统的实用性,且构建数据到报率、数据可靠率等指标对系统稳定性和可靠性进行评估。结果表明:该系统可为农业防灾减灾提供高精度的农田小气候信息,实用性强;数据到报率达94.5%以上,系统运行稳定;数据格式错误和数据异常时次少,数据可靠率达85.2%以上;雷电灾害是影响系统稳定性、可靠性最主要的因素。农业气象自动化观测系统总体效能较好,在农业气象研究和服务中具有明显优势。An automatic microclimate observation system set up in a rice field is introduced.Its performance is evaluated in respect of the practicality,data arrival rate,and equipment reliability.The result shows that this system can provide timely and accurate microclimate information without delay.The data arrival rate is over 95% and the equipment reliability beyond 85% with a low proportion of format errors and abnormal records.Lightning disasters is the main factor influencing the stability and reliability of the system.Therefore,the practical advantage of this system is obvious in the field of agro-meteorological research and services.

关 键 词：农田小气候 自动观测系统 实用性 装备稳定性 装备可靠性 数据到报率 

分 类 号：P468.0[天文地球—大气科学及气象学]