例如，降水周期可能会发生改变。
科学家已经发现气候变化会引发周期性的强降水与随后断续的干旱天气。
Scientists have found that climate change can trigger periods of intense rainfall followed by long spells of dry weather.
结果表明，贵州降水与秋粮产量存在着3年左右的显著周期。
The results show that there is a 3-year period of precipitation field and autumnal careal yield fluctuation in Guizhou province.
降水丰枯周期年的变化在岩溶水化学成分的变化上，也有很好的显示。
The variation of hydrochemical compositions of karst water can be well reflected in the variation of precipitation high and low water circle year.
天体运动直接影响降水和气温的周期变化，进而在一定的下垫面条件下，影响径流的周期变化。
Firstly, it directly influences the periodic variation of precipitation and air temperature, then influences the periodic variation of runoff based on the underlying surface.
分析了全球陆地平均的年、季降水序列的周期和趋势特征。
We analyzed the time series of global land average annual and seasonal precipitation.
ENSO与东亚夏季风降水的年际变化以及准二年周期有着明显的联系。
There is a considerable connection between ENSO and the interannual variations(QBO)of summer monsoon rainfall.
对流域历年平均降水量序列最大熵谱分析表明存在3.6年的显著周期和5.7年的次周期。
Spectrum Analysis and Maximum Entropy Spectrum Analysis of precipitation show 3.6, 5.7 years period and the evaporation has no significant period.
得出了年降水和季降水序列的周期变化规律。
The law of annual and seasonal precipitation period was given.
当地降水量的多年周期性变化决定了地下水位的多年动态。
The dynamic variations of groundwater level are subject to cyclic variation of precipitations.
气候降水是该区水资源的主要来源之一，也是影响该区水资源周期性变化的主要因素之一。
Climate rainfall is not only one of main sources of water resources, but also one of major factors affecting periodic change of water resources over this region.
人们认为这种梯度变异可能是降水量，温度也许还有光周期等地理趋势造成的结果。
The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
结果表明：广东省全年及前、后汛期的降水量变化存在2~7年、10年和30年左右的周期；
The result shows that there exist cycles of 2-7ys, 10a and 30a in precipitation of annual, Apr. -Jun.
林火特征的周期与年均温、年降水量的周期关系很大。
The cycles of forest fire characters are closely related to that of annual averaged temperature and precipitation.
从谱分析结果判断，年降水量具有20年的主振荡周期和3.3年、2.2年的次周期，并出现与太阳黑子变化反位相的特征。
Spectrum analysis is also conducted with the result that the significant period is about 20 years and the sub-period are 2.2 and 3.3 years.
1991年江淮梅雨期出现了三次暴雨过程，降水呈现显著的20-25天振荡，该周期明显短于海两期40天振荡的气候周期。
There were three heavy rainfall procedures over the Jianghuai basin in 1991, and the variance of rainfall showed 20 - 25 days oscillation remarkably, which was shorter than 40 days climate peried.
年降水量与夏季降水量在时间尺度和周期特征方面非常相似。
The annual precipitation and summer precipitation are very similar in terms of time scales and cycle characteristics.
但是他指出，干旱和降水量的减少对中国这样受季风影响的国家的农业生产也有著重要的影响，但它们不一定都是发生在冷周期。
He noted that drought and less precipitation, which do not always coincide with cold periods, were also significant factors affecting the agricultural production in countries like China.
在对华北地区降水100年资料的分析过程中，运用不同的时间尺度分别得到6 ~7年、21 ~ 22年和35 ~36年的时间周期规律。
From the 100 years data, approximate 6-7 years, 21-22 years and 35-36 years periods are found respectively.
指出武汉市主汛期降水存在40年、25年、10年、4—7年左右的周期振荡，并由降水的周期性推知本世纪初武汉市汛期将进入下一个少雨时段。
The main period about 40,25,10 and 4-7 years are found. Based on this, we can forecast the lack of rainfall in Wuhan city in initial stages of this century.
年内逐月降水量的空间分布格局表现为明显的周期性变化特征。
The spatial distribution of monthly precipitation in a year performance for the obvious periodical change characteristics.
上海的年降水量主要是以短时间尺度的振荡为主，其中以40 a左右的波动为主要周期。
Annual precipitation of Shanghai is oscillating mainly at micro-scale while fluctuation cycles are around 40 years.
上海的年降水量主要是以短时间尺度的振荡为主，其中以40 a左右的波动为主要周期。
Annual precipitation of Shanghai is oscillating mainly at micro-scale while fluctuation cycles are around 40 years.
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