查询词典 geopotential

The intensity and way of the cold high atmospheric pressure center,Ф568 (the latitude at the nodical point of the 5680 geopotential meter line with the 120°E line in the 500hPa high altitude) and Ф850(the latitude at the nodical point of the 0℃ temperature lute with the 120°E line in the 850hPa high altitude) were closely related to the minimum temperature. The equation of short-term forecast of low temperature weather for Fuzhou, Xiamen and Shaowu was established by stepwise regression analysis. The detemperature rate was estimated by cloud cover, wind velocity, humidity (N20, F20, U20) at 20:00 o'clock.

通过对历史资料分析，利用逐步回归分析方法分别建立了福州、厦门和邵武三个探空站最低气温t的短期预报方程，再利用各地当晚20时的云量、风速、湿度(N20、F20、U20)值估算当晚的降温幅度、进一步对最低气温t进行短时临近预报，然后结合各地果树主栽品种及其抗低温冻害指标、及时发布低温冻害预警预告，构成了福建省冬季果树冻害低温预报预警模式。

In this paper, we use 500hPa geopotential height to study the abnormal disturbance for the North-ern Hemisphere poleward of 20°N summertime from 1957 to 1979, special focusing on persistent anom-alies which persistent time are longer than that of synoptic scale variability.

本文利用23年夏季3个月的500hPa位势高度场，对20°N以北的热带以外地区的位势高度异常进行了分析，着重研究了持续时间超过天气尺度扰动时间（大约1周）的持续异常。

Anomalous anticyclone at the upper level is form in response to the enhanced convective heating off the equator, resulting in increased geopotential height and temperature over the Tibetan Plateau and in favor of the early BOB seasonal transition. Another effect of Positive SST anomalies over the Warm Pool is to induce anomalously strong zonal monsoon circulation. The anomalous zonal monsoon circulation strengths the southerlies in upper levels due to Coriolis force. Thus the enhanced warm meridional advection in connection with the warming over the Tibetan Plateau lead to early seasonal transition over the BOB region.

高空大气通过热力适应过程对这种异常对流加热的响应是产生异常反气旋环流，则高原上空的位势高度偏高，温度偏高，引起季节转换偏早；暖池海温异常偏高的另一作用是，它激发出异常强的季风纬向环流，在高层，季风纬向环流受到柯氏力作用又使得南风加强，导致孟加拉湾东部地区经向暖平流及其北部下沉增温加强，加速了孟加拉湾季节转换进程。

The force of low-level frontal zone disturbance is a major factor of the development of middle and low level cyclone. The large center of negative geopotential perturbation inversed by low-level disturbance potential vorticity is located in the front of cyclone providing a favourable condition for the eastward moving and development of cyclone. The high-level system plays a role of indirect force action. The interaction of the development of high-level trough and ridge and low-level frontal zone becomes an important mechanism of the developing of cyclone.

低层锋区扰动强迫是中低层气旋发展的最主要因子，低层位涡扰动反演所得的负位势扰动大值中心位于气旋的前方，有导前现象，为气旋继续东移、发展提供一个铺垫；高层系统起着间接强迫作用，高层槽脊系统的发展和低层锋区的相互作用所导致的斜压扰动成为气旋发展的重要机制。

The averaged onset time is the 28th pentad (72 pentads/year) for the EAM and the 32nd pentads for the INM coincided with the results obtained from the 15-year mean wind and geopotential fields. During the 15-year period, the early onset years are 1984,1994 and 1996 and the late onset years are 1982,1985,1987,1991 and 1993 in the EAM region.

结果表明，IWH是一个能够反映亚洲热带夏季风环流主要特征、适合用于确定季风建立迟早的指数；在1982～1996年期间，在东亚季风区，热带季风建立较早（比平均情况早2候或以上）的年份有1984、1994和1996年，建立较迟的年份有1982、1985、1987、1991和1993年；东亚热带季风建立时间的年际变化（标准差为2.3候）比印度季风大，反映东亚季风区环流变化较印度季风区更为复杂。

Asian summer monsoon, one of the earth′s most energetic weather events, undoubtedly plays a key role in the variability of the general circulation. In this paper, through both calculation for the correlation coefficients between the monsoon indices and the geopotential height and the anomalous composite of the strong or weak ASM pentads, it is shown that the activity of the ASM...

本文通过夏季风指数与北半球环流的相关计算以及强、弱季风候北半球环流异常合成的分析发现，亚洲夏季风的活动会激发北半球夏季大气环流遥相关型，其主要相关中心均出现在季风区的下游地区，即从亚洲经太平洋至北美洲一带，除了表现出正负中心交替出现的波列状结构外，该遥相关型在太平洋地区还表现为一对南北向的偶极子异常型，我们将这一遥相关型称为亚洲太平洋北美型

Three regional climate models (MM4,RegCM2 and P-σ incorporated coordinate model)have been used to simulate the regional climate over eastern China in July .It is found that these three models have different performances in simulating different climate elements such as 500 hPa geopotential high field ,temperature fields,sea level pressure and rainy belt location.The results are important for developing regional climate model system which is suitable for eastern China and improving the simulation and forecast results.

利用MM4中尺度数值模式、RegCM2模式和P-σ混合坐标五层区域气候模式，以GFDL多年平均的6月份气候场作初始场，对我国东部地区7月份的区域气候进行数值模拟，比较、检验了三个模式模拟中国东部区域气候的性能，发现对500 hPa高度场、温度场、海平面气压场、雨带位置等不同的模拟对象，三个模式各有优劣，其结果对于发展适合我国东部地区的区域气候模式系统、改进模拟和预测效果具有一定的参考意义。

The analysis showed that the great value area of correlations is consistent between sea-level pressure field, 500hPa geopotential height field and intensity index of East Asian summer monsoon in Northeast China in pre-winter or summer, and the correlation is more better in summer than in pre-winter.

结果表明，前冬季和夏季海平面气压、500hPa位势高度与东北地区夏季风强度指数的正负相关大值区的分布基本一致，但夏季相关性更明显；海表温度与东北地区夏季风强度指数的相关不明显；北极海冰密集度与东北地区夏季风强度指数的相关性较好，前冬季以负相关为主，夏季以正相关为主；各振荡指数中只有NPO指数与东北地区夏季风强度指数有很好的相关性。

This study investigates that the relationship between variations of sea ice in the Ross Sea and Weddell Sea and the synoptic variations during summer in China using Northern Hemisphere monthly mean 500 hPa and 100 hPa geopotential and rainfall and temperature data at 160 stations in China.

本文利用Hadley中心提供的1968年1月-2002年12月全球海冰密集度格点资料，结合中央气象台的北半球500hPa、100hPa高度场资料以及中国160站降水、温度资料，利用诊断分析方法，分别对南极Ross海区和Weddell海区海冰与我国夏季天气的关系进行了研究。

Meanwhile, the geopotential height at 500 hPa around the Okhotsk Sea also holds similar increasing trend.

与此同时鄂霍茨克海地区的500hPa高度也有持续增长的趋势，并配合有厄尔尼诺频繁出现的趋势。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷