Seasonal Variability of Sea Surface Temperature (SST) and Chlorophyll Distribution during Southeast (SE) Monsoon in Indonesian Waters
Monday, June 15, 2015
W.Samad Daming Jr.1,2, Jai-Ho Oh2 and Dadang Ahmad Suriamihardja Sr.3, (1)Hasanuddin University, Marine Science, Makassar, Indonesia, (2)Pukyong National University, Atmospheric Science, Busan, South Korea, (3)Hasanuddin University, Physics, Makassar, Indonesia
Abstract:
Sea Surface Temperature (SST) distribution and Chlorophyll (Chl) concentration have been analyzed with seasonal variation during southeast monsoon in southern hemisphere of Indonesian waters. Satellite data is used to formulate the seasonal variation of SST and surface Chl distributions during southeast monsoon period. The results the higher Chl concentrated along the coastal water of Java and Sumatra, during June-July-August (JJA) to September-October-November (SON) when the southeast trade wind blows. Phase development of seasonal variation of SST and Chl concentration showed a difference during JJA and SON. This seasonal variation is clearly evident in the correlation analysis between SST and surface Chl concentration. Further analysis shows that the seasonal variation might not be solely influenced by southeast trade winds but also by the Indian Ocean Dipole (IOD). This study highlights the existance of surface Chl responses to physical processes on seasonal time scales. The increase on seasonal variability of Chl concentration is characterized by lower SST than normal one due to the vertical excursion of water mass motions from deeper layer to the water surface.
