跃层
- 网络thermocline;LOFT;Pycnocline;the seasonal thermocline;the permanent thermocline
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内波模型是结合非线性孤立波KdV方程解建立起来的,用于模拟发生在海洋密度跃层处具有巨大前导波和较小、较慢线性曳尾波特征的海洋内波。
The internal wave model is derived based on the combination of nonlinear soliton Korteweg and de Varies ( KdV ) solutions for the larger . leading waves and the smaller , slower trailing linear waves in the internal pycnocline .
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在春季,表层热含量和表征台湾暖流的底层盐含量的同步提加,提高了密度跃层的强度,是中层冷水得以维持的重要因素。
In spring , the sea surface heat content increases with increasing bottom salt content to strengthen the pycnocline , which is a main factor for maintaining ICW .
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孩子们睡在楼上卧室里的跃层上。
The children slept in a loft in the upstairs bedroom .
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南森资料与BT资料计算南海温跃层的结果比较;
Thermocline results comparison using Nansen data and BT data ;
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南海海域BT资料、南森站资料计算温跃层&三项示性特征的比较
Thermocline Comparison of SCS Using BT and Nansen Data
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20°N以南研究海域,温跃层季节变化不明显。逆温跃层主要出现在冬、春季节(10月-翌年5月)。
It reveals little seasonal variations in the study area south of 20 ° N. The inversion thermocline is found in winter and spring ( Oct. - May ) .
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盐度跃层下界深度为60~100m,厚度约50m。
The lower boundary of halocline lies between 60 m to 100 m with a thickness of about 50 m.
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春季,层化开始出现,上混合层厚度约5m,跃层的强度比较弱,区域差异比较小;
In spring stratification appears , mixed layer depth is about 5 meters , and the thermocline is weak .
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夏季,层化加强,上混合层厚度加深至约10m,温跃层强度比较大,并且黄海强度大于东海;
Summertime , stratification strengthens , and mixed layer depth is deeper ( about 10 meters ), and the thermocline is stronger .
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由于两季节层化程度的不同,营养盐跃层深度也不同,春季在30m以深,夏季为30m以浅。
The stratification depth in two seasons is different that which is below 30m in spring and above 30m in summer .
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从年平均的纬向平均温度和盐度的断面分布可以看出,温跃层深度呈W型分布,在亚极地海区有一个梯度比较大的盐度锋区。
It is shown from the annual mean zonally averaged temperature and salinity distributions that the thermocline depths show a W-shaped pattern , and there is a salinity front in the subpolar sea area .
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温跃层的存在导致了黄海中部颗粒物及POC通量的季节性差异。
Thermocline resulted in the seasonal difference of flux of SPM and POC in the middle of the Yellow Sea .
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依据1976~1988年渤、黄海BT观测资料,分析了渤、黄海的温跃层特性。
Based on the data of the bathythermograph ( BT ) observe 'd from 1976 through 1988 , the thermocline characteristics of the Bohai Sea and Yellow Sea are analysed .
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最后作为该模型的一个实用性试验,选择了美国犹他州EastCanyon水库,利用该模型探讨了温跃层对风、人流及出流变化的响应情况。
Finally , as a example of its application , this model was applied in East Canyon reservoir , Utah , USA. The efficiency of the prediction of thermocline corresponding to the wind forcings and inflow and outflow has been discussed .
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温度和密度跃层的厚度分布为:由浅水区的小于30m增至深水区的大于90m;
The distribution of thickness of the thermal and density layer increases from less than 30m in shallow water to more than 90 m in the deep water layer .
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稳定性分析表明,北太平洋较大面积区域存在斜压不稳定性或正压不稳定性,有利于ENSO相关的温跃层异常信号以Rossby波形式有效地西传;
The instability analysis shows that there exists a large area with baroclinic instability or barotropic instability in the North Pacific , which helps the thermocline anomaly related to ENSO cycles propagate westward effectively in forms of Rossby waves ;
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在缺乏高分辨率资料且长江径流量不大时,夏季东海浅海海区也可以运用S-T法计算温跃层和密度跃层上界深度。
The depths of the thermocline and pycnocline can also be calculated correctly by using the S-T method in the shallow shelf areas when the Yangtse River runoff is normal or less than normal .
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以长江口以东H断面为例,描述了夏季溶解氧的断面分布特征,在20~30m水层出现一氧跃层,30m以下垂直分布比较均匀。
The description of DO vertical distribution in H section was done in summer with H section in the east of Yangtze estuary as an example . A layer DO occured at 20 ~ 30 m , and the vertical distribution was even below 30 m.
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而其内部高浓度的PO4-P水平,更对冬季跃层消失后,整个海区PO4-P浓度的提升,发挥了巨大作用。
After the disappearance of the thermocline in winter , the higher content of PO4-P in Yc play a significant role in upgrade the concentration in the whole area .
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化学要素垂直分布如温度一样出现了强跃层,并于350m层出现了异常的营养盐垂直分布,但盐度无明显跃层存在。
The vertical distribution of chemical elements emerges a strong spring layer like temperature and abnormal vertical distribution of nutrient turns up at 350m layer . However , there is not almost obvious spring layer in salinity .
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在中国陆架海区调查获得的CTD资料表明,陆架区的水文要素垂直结构大都可以理想化为三层垂直结构模式:上均匀层、跃层和下均匀层。
It is shown from the CTD data collected in Chinese shelf sea area that most of vertical structures of hydrographic elements can be idealized as a 3-layer structure pattern , namely , upper homogeneous layer , thermocline and lower homogeneous layer .
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温跃层的存在是底层高悬浮体含量的海水难以到达表层的主要原因V.C高;
The thermocline is the main season that the higher suspended matters in the bottom could not reach up to the sea surface .
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长江径流量偏小和正常的年份,在东海的浅海海区(水深200m)运用S-T法计算的跃层上界深度与垂向梯度法的结果比较一致,都与实际跃层深度符合较好。
When the Yangtse River runoff is normal or less than normal , the depth calculated by the S-T method is almost equal to that calculated by the vertical grads method in shallow shelf areas whose depths are less than 200m in the East China Sea .
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负跃层浅海中宽带声场预报的快速算法
Fast arithmetic for broad-band propagation in shallow water with a thermocline
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济州岛南部海区的双跃层现象
Double - thermocline phenomenon in southern sea area of chejudo Island
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浅强跃层大振幅内波研究
Studies of internal waves with large amplitude in shallow strong pycnocline
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温跃层对于潜艇的水下航行和战斗具有十分重要的意义。
Thermocline is important for submarine in underwater navigation and action .
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负跃层浅海声传播的一个新现象&远程传播中的海底散射波
Sea-bottom scattering waves in sound propagation at shallow water with a thermocline
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大洋环流的通风温跃层研究进展
Advances in study of ventilated thermocline theory of ocean circulation
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理想负跃层浅海中脉冲波形的理论分析
Theoretical analysis on pulsed waveforms in shallow water with an ideal thermocline