摘要
试验比较了两种较为典型的地形区气压梯度力计算方法：一是先在准水平的等压面上计算，再垂直插值到地形坐标面上的方法，二是差－微－差方法。初始化分析和预报结果检验都表明，在减轻地形影响上，前者的优势在大气上层。
Two typical schemes for pressure gradient force (PGF) calculation in topographic area have been compared. One is that PGF of topographic coordinate is got by vertical interpolatence scheme. Based on the initial field diagnosis and forecast verification, the results show that the first scheme does better in upper air while the second scheme in lower air for reducing topographic influence.
出处
《应用气象学报》
CSCD
北大核心
1996年第3期377-380,共4页
Journal of Applied Meteorological Science
关键词
地形
气压梯度力
计算方法
Topography
Pressure gradient force
Calculation scheme.
