In this paper, the nonlinear flow disturbed by mesoscale topography on f-plane in atmosphere and ocean is studied.
将大气和海洋中f 平面上中尺度地形的扰动问题统一起来作为一个地球物理流体力学问题,应用涡度、能量和经圈动量守恒条件,将原来高度非线性方程变成一个二阶椭园型非线性方程,用数值模拟方法分析了大气中的过山运动和海洋中的沿岸上升流,给出了与观测接近的模拟结果以及运动过程对内部物理参数和外界条件的敏感性分析。
Taking the site surveying of Nongan Sangang observation station for 1∶500 topographic map as an example,this paper discussed the technical problem on small area large scale topographic map field surveyi.
本文以农安三岗观测站站址1∶500比例尺地形图的施测为例,探讨了局部地区小范围大比例尺地形图实测的技术问题。
This paper makes a study on the interactive digital generalization,and an interactive map generalization environment for large scale topographic map is then designed and realized.
在论述交互式综合环境研究的重要意义及大比例尺地形图特点的基础上 ,采用人机协同的地图缩编方式 ,将复杂的地图综合过程分解 ,合理地进行人机分工 ,设计与实现了大比例尺地形图交互式综合系统的数据库管理平台。
The Numerical Simulation and Diagnostic Analysis of the Influence of Mesoscale Terrain on Severe Convective Weather of Henan Province;
中尺度地形对河南省强对流天气影响的数值模拟和诊断分析
Mesoscale Feature and Orographic Sensitivity Test of "07.7" Meiyu Front Rainstorm;
“07.7”梅雨锋暴雨中尺度特征及地形敏感性试验
Effects of Topography and Urban Heat Circulation on a Meso-β Torrential Rain in Beijing Area
地形和城市热力环流对北京地区一次β中尺度暴雨的影响
A Study of the Mechanisms of Shandong Central Mesoscale Terrain s Influence on the Convection Precipitation Process;
鲁中地形影响中尺度对流性天气过程的机理研究
The Application of Mathematical Morphology in Seismic Data Processing;
多尺度形态学在地震资料数字处理中的应用研究
A Research into Effect of Scale on Calculating Terrain Parameters Based on DEM;
基于DEM地形参数计算的尺度效应研究
Blocks Scale and Border s Effects on Urban Mormation;
地块尺度及用地边界对城市形态的影响
Influences of Topographic Factors on Soil Quality of Agricultural Land at Small-Scale
小尺度地形因子对农地土壤质量的影响研究
A Research on 1:50000 Regional Soil and Water Loss Topographic Factors Based on DEM;
基于DEM的1：50000区域尺度水土流失地形因子研究
The comprehensive and comparative study of topographic information capacity in different spatial scale’s DEM
不同空间尺度DEM地形信息容量综合对比研究
MUTISCALE ANALYSIS OF VEGETATION INDEX AND TOPOGRAPHIC VARIABLES IN THE YELLOW RIVER DELTA OF CHINA
黄河三角洲植被指数与地形要素的多尺度分析
Application of current large-scale topographic map in urban cadastral inventory
现势大比例尺地形图在城镇地籍调查中的应用
A Double-Moment Explicit Scheme Mesoscale Modeling Study of Stratiform Precipitation Formation;
层状云降水形成的中尺度双参数方案数值研究
Study on the Physical Mechanisms and MCSs of the Sustained Heavy Rainfall Event in South China in June 2005;
“05·6”华南暴雨形成机理与中尺度对流系统研究
Three-Dimensional Numerical Simulation of Gaseous Slip Flow in Rectangular Microtubes;
微尺度矩形管道中气体滑移流的三维数值模拟
APPLICATION OF WAVELET MULTI-SCALE ENTROPY TO CROSS-FAULT DEFORMATION DATA IN XINJIANG
小波多尺度熵在新疆跨断层形变资料中的应用
Research on Fractal Characters of Geomorphology and Space-Scale Conversion in Typical Watershed on the Loess Plateau;
黄土高原典型流域地貌形态分形特征与空间尺度转换研究
Correlation of Soil Moisture and Topographic Wetness Index at a Scale of Small Watershed
小流域尺度土壤水分与地形湿度指数的相关性分析