Latest Satellite Imagery


Date: 19 Mar 07



MODIS Chlorophyll a


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



5 March 2007



19 Mar 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. The high chlorophyll a area spread into many small patches. Majority still located at off shore region, but some are located near the coastal water.
  2. Strong absorption of nLw 551 area in the extreme high chlorophyll a area, water decolorization could be occurred. RGB true color image shows clear darkish area in the extreme high chlorophyll a region.
  3. The big patches at off Kudat water seem moving northward. Attention is crucially needed where the off shore current might bring the bloom to Philippine later.



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)