摘要
Tropical cyclones (TCs) formed in the Northwest Pacific Ocean (NWP) can cross the South China Sea (SCS) sometimes. It is found that the TC tracks in the SCS in November are shifted to the north after 1980 compared with those before 1980. Both data analyses and numerical simulations show that the surface warming in the SCS may contribute to this more northward shift. The warming produces a cyclonic atmosphere circulation anomaly in the northwestern SCS and an associated southerly in the central SCS steering the TCs to the north.
Tropical cyclones (TCs) formed in the Northwest Pacific Ocean (NWP) can cross the South China Sea (SCS) sometimes. It is found that the TC tracks in the SCS in November are shifted to the north after 1980 compared with those before 1980. Both data analyses and numerical simulations show that the surface warming in the SCS may contribute to this more northward shift. The warming produces a cyclonic atmosphere circulation anomaly in the northwestern SCS and an associated southerly in the central SCS steering the TCs to the north.
基金
The National Basic Research Program(973 Program)of China under contract Nos 2013CB430301,2013CB430302,2012CB955601,and 2012CB955601
the National Science and Technology Major Project under contract No.2016ZX05057015
the National Natural Science Foundation of China under contract Nos 41276018 and 41376038
the Global Air-Sea Interaction Project of State Oceanic Administration under contract Nos GASI-03-01-01-09 and GASI-03-01-01-02
the National program on Global Change and Air-Sea interaction under contract Nos GASI-IPOVAI-01-05 and GASI-IPOVAI-04