摘要
新疆地处西部极为干旱内陆区,鉴于干旱区地理环境特征,基于各灌区1952—2008年57年积累长系列相关气象数据,采用最新修正彭曼-蒙特斯(Penman-Monteith)方法,应用非线性和多元线性模型以及时间序列指数平滑法,研究作物耗水量ET0时空分布特征和变异规律及发展趋势。结果显示,各灌区ET0峰期均发生在春、夏之交6月;历史变化多呈现3个波动阶段,今后若干年ET0多为上升趋势;ET0随海拔、纬度呈现增、减互交变化多样性,风速对ET0正效应敏感性显著于其他影响因素,并产生叠加效应。
Xinjiang locate in the extremely arid inland areas in the West China, In view of the geographical and environmental characteristics in arid regions, based on irrigation area of the 57 years（1952-2008） accumulating long series of meteorological data, using the latest Penman-Montes （Penman-Monteith） method, applied multivariate linear model with linear and exponential smoothing and time series, research for material consumption ETo temporal and spatial distribution and variation of water and development. Results show that ETo irrigation peak occurs in the spring and summer of June; rendering stage 3 fluctuation of historical change, ETo for the next several years on the rise; ETo renders increase or decrease with altitude and latitude interactive diversity, wind speed significantly affect ETo positive effects and produce an overlay effect.
出处
《灌溉排水学报》
CSCD
北大核心
2011年第6期15-19,共5页
Journal of Irrigation and Drainage
基金
新疆自治区财政预算项目(2009-01)
关键词
内陆干旱
绿洲作物耗水
时空多样性
特征分析
In inland arid
oasis water consumption of crop
spatial and temporal diversity
features analysis
