Page 147 - 《高原气象》2026年第1期
P. 147

1 期               管  靓等:基于Q矢量分解的上海沿岸水域近海北上热带气旋大风成因分析                                       143




























                                                D
                                                                  D
                                                                                       D
                  图7 大风减弱阶段不同风级区域的Q 矢量散度(填色)以及Q s 矢量散度(a, 等值线)、 Q n 矢量散度(b, 等值线)剖面
                                                     (单位: ×10  hPa ·s )
                                                              -15
                                                                      -3
                                                                   -1
                  Fig. 7 The vertical cross-section of the Q  vector divergence (shading), Q s  vector divergence (a, contour) and Q n  vector
                                                                         D
                                                                                                      D
                                                 D
                       divergence (b, contour) in different wind scale regions during the gale weakening phase. Unit: ×10  hPa ·s -3
                                                                                                    -1
                                                                                               -15



































                                                                          D
                          图8 大风影响期间不同风级区域1000~100 hPa气柱平均的Q s 矢量(实线)和Q n 矢量(点虚线)
                                                                                        D
                                                    散度辐合强度随风级的变化
                    Fig. 8 The variation of 1000~100 hPa column-average convergence intensity of the Q s  vector divergence (solid line)
                                                                                   D
                                D
                           and Q n  vector divergence (dotted-dashed line) with wind scales in different maximum wind scale
                                                regions during the gale affecting process
   142   143   144   145   146   147   148   149   150   151   152