Latest Satellite Imagery


Date: 5 Mar 07



MODIS Chlorophyll a


Chlorophyll a concentration is a proxy to the number of phytoplankton in the water.


1 Mar 2007




5 March 2007





















RGB True Color






Red Tide In Waters Around Lumut, 11 Jan 2007,


Red Tide strikes caged fish, 12 Jan, 2007, Daily Express, Malaysia

Marine scientists in Sabah discover new species of red tide, 23 Jan 2007, Borneo Bulletin.


UMS sets up centre to study harmful algae, 23 Jan 2007, New Straits Times.


RM500,000 grant for red tide research, 24 Jan 2007, Daily Express, Malaysia







  1. Spreading of the extreme high chlorophyll a area. The comparison of 1 Mar and 5 Mar clearly show the high chlorophyll a spot was approaching the coast. One of the extreme high chlorophyll a patches is located at the south of the offshore island. Some of these extreme high chlorophyll a region was indicate as error which represented in black color.
  2. Strong absorption of nLw 551 area in the extreme high chlorophyll a area, water decolorization could be occurred.
  3. RGB true color image shows clear darkish area in the extreme high chlorophyll a region. The darkish area can be clearly differentiate from the blue deep ocean.
  4. The lower SST at northern tip of Borneo indicates the upwelling is continuing supply the nutrient for phytoplankton bloom.



All the Above data can be downloaded from


(*The file name in the directory is arranged according to the Julian date, eg. 2005001 = 1 Jan 05, 2005032 = 1 Feb 05)



Reference Map

(Please check the map if you are unfamiliar with the location name in northern Borneo)