| 郭连云,张旭萍,丁生祥.影响共和盆地天然草地牧草生育期的气候因子变化特征[J].干旱地区农业研究,2008,(6):201~206 |
| 影响共和盆地天然草地牧草生育期的气候因子变化特征 |
| Characteristics of the change of climate factors affecting grass growth in the natural grassland of Gonghe basin |
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| DOI：10.7606/j.issn.1000-7601.2008.06.39 |
| 中文关键词: 天然草地 气候因子 气候变化 共和盆地 |
| 英文关键词:natural grassland climate factor climate change Gonghe basin |
| 基金项目:国家“十一五”科技支撑计划项目(2006BAD26B10) |
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| 中文摘要: |
| 对影响共和盆地天然草地产量的气候因子近47 a来的趋势性、阶段性和周期性进行分析。结果表明:影响天然草地产量的气候因子中,4～9月的平均气温和积温增加趋势显著;4～9月的积温、平均气温和降水量有显著的阶段性;4～9月的积温、降水量、日照时数和上年度秋季降水量都有显著的振荡周期,总日照时数有2～6a的振荡周期,上年度秋季降水量有1～2 a、5～6 a的振荡周期。 |
| 英文摘要: |
| Analysis is made of the tendency, stage and periodicity of the change of climate factors affecting grass growth in the natural grassland of Gonghe basin in the past 47 years.The results showed that, among the various factors, the average temperature and accumulated temperature from April to September presented a significant increasing tendency and cyclical stages;while the accumulated temperature, precipitation, sunshine hours and precipitation in the previous autumn showed a significant oscillating cycle, with the total sunshine hours having 2～6 a oscillating cycle and precipitation in the previous autumn having 1～2 a and 5～6 a oscillating cycles. |
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