| 连州市降水变化及其对农业的影响 |
| |
| 引用本文： | 李书桂,温建荣,邓利科.连州市降水变化及其对农业的影响[J].河北农业科学,2009,13(1):51-51. |
| |
| 作者姓名： | 李书桂 温建荣 邓利科 |
| |
| 作者单位： | 连州市气象局,广东 连州,513400 |
| |
| 摘 要： | 根据连州市降水资料，利用线性倾向估计、滑动平均、突变M-K检验和小波分析等方法，对连州市降水变化进行了初步分析。结果表明：连州市降水量呈上升趋势，降水没有发生突变，降水存在17a、13a、8a和4a的变化周期。
|
| 关 键 词： | 气候变化 突变M-K检验 小波分析 |
Precipitation Change and Its Impacts on Agriculture in Lianzhou |
| |
| LI Shu-gui,WEN Jian-rong,DENG Li-ke.Precipitation Change and Its Impacts on Agriculture in Lianzhou[J].Journal of Hebei Agricultural Sciences,2009,13(1):51-51. |
| |
| Authors: | LI Shu-gui WEN Jian-rong DENG Li-ke |
| |
| Institution: | Lianzhou Meteorological Office;Lianzhou 513400;China |
| |
| Abstract: | Precipitation change were analyzed by using the methods of linear trend estimate value,moving average,Mann-Kendall test and wavelet analysis,according to the precipitation data in Lianzhou.The result indicated that precipitation showed an increasing tendency with no catastrophe,and there existed 17 years,13 years,8 years and 4 years variation period. |
| |
| Keywords: | Climate changes Mann-Kendall test Wavelet analysis |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
