| 湖南8月低温时空分布特征及对一季稻生产的影响 |
| |
| 引用本文： | 黄晚华,汪扩军,陆魁东,帅细强,李民华.湖南8月低温时空分布特征及对一季稻生产的影响[J].湖南农业大学学报(自然科学版),2009,35(4). |
| |
| 作者姓名： | 黄晚华 汪扩军 陆魁东 帅细强 李民华 |
| |
| 作者单位： | 1. 湖南省气象科学研究所,湖南,长沙410007
2. 怀化市农业气象试验站,湖南,怀化418000 |
| |
| 基金项目： | 中国气象局新技术推广项目，中国气象局气候变化专项 |
| |
| 摘 要： | 对湖南省1961-2005年共45 年的8月气温资料进行统计,分析8月低温时空分布特征.结果显示,8月低温发生频率以湘南、湘东等地最低,洞庭湖区和湘中次之,湘西、湘西南及湘南山区较高;从年际变化看,低温发生站次数呈现增多的趋势,强度越来越大,影响范围越来越广.结合田间试验分析受8月低温影响的一季稻产量结构,发现8月低温主要影响时段为齐穗前10 d至齐穗后5 d,以始穗期至齐穗期影响最大.
|
| 关 键 词： | 8月低温 分布特征 一季稻 湖南 |
On characteristics of spacial-timporal distribution in low temperature in August and its effect on rice production in Hunan |
| |
| HUANG Wan-hua,WANG Kuo-jun,LU Kui-dong,SHUAI Xi-qiang,LI Min-hua.On characteristics of spacial-timporal distribution in low temperature in August and its effect on rice production in Hunan[J].Journal of Hunan Agricultural University,2009,35(4). |
| |
| Authors: | HUANG Wan-hua WANG Kuo-jun LU Kui-dong SHUAI Xi-qiang LI Min-hua |
| |
| Institution: | 1.Hunan Meteorological Research Institute;Changsha 410007;China;2. Huaihua Agro-Meteorology Station;Huaihua;Hunan 418000;China |
| |
| Abstract: | With the increasing planting area of one season middle or late rice,the low temperature in August has been becoming a new kind of disaster for agriculture production in Hunan province. Temporal-spatial distribution characteristics of low temperature in August were analyzed based on daily temperature data of August from 1961 to 2005 in Hunan province. Results showed that the south and east area of Hunan bears the lowest frequency of low temperature in August,followed by the central Hunan and Dongting Lake ar... |
| |
| Keywords: | low temperature in August distribution characteristics one season rice Hunan |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
