摘要
为揭示温室内小气候变化规律及其与外界环境的相关性,在湖北省鄂州节水示范基地开展春季温室番茄的田间试验,对室内外10cm地温、空气温湿度、光照、蒸发、水汽压差等主要气象要素进行了初步研究。通过分析室内外各因子在不同天气条件下的变化特点,得到内外各气象间存在一定的相关性,然后利用数值模拟的方法建立了温室内外气温、光照强度和累计蒸发量之间的拟合方程,其拟合相关度较高:除阴雨天室内外气温相关系数为0.608 8,其他相关系数均>0.9。试验成果为基于室外气象的温室小气候预测模型的建立提供了可靠的理论依据,同时对提高温室环境管理水平具有一定指导意义。
In order to indicate the change rules the correlation between external environment and greenhouse microclimate, a field ex periment on meteorological elements in greenhouse tomatoes in spring, such as ground temperature in 10 cm depth, air temperature and humidity, sunlight, water surface evaporation and vapor pressure deficit, was taken in Ezhou Water-saving Irrigation Experi ment Station, Hubei Province from March 29th to April 4, 2009. Through an analysis of change characteristics of meteorological systems indoors and outdoors, it indicates that the indoor climate factors have a good coupled relationship with the outdoor ones. The fitted equations between the temperature, sunlight and cumulative evaporation capacity indoors and outdoors are established by using numerical simulation, and the fitting degree of correlation is satisfying： besides the correlation coefficient of indoor and outdoor temperature is 0. 608 8 on rainy days, other related coefficients are all greater than 0. 9. The test results provide a reliable theoretical basis for establishing the greenhouse rnicroclimate prediction model based on outdoor meteorology, and have a certain guiding signifi cance to improve the greenhouse environment management level.
出处
《中国农村水利水电》
北大核心
2013年第3期82-84,87,共4页
China Rural Water and Hydropower
基金
国家自然科学基金资助项目(50979077)
关键词
日光温室
气象要素
相关性
预测模型
greenhouse
meteorological elements
correlation prediction model
