Difference between revisions of "MODIS"

From GRASS-Wiki
Jump to: navigation, search
(init)
 
(populate)
Line 9: Line 9:
  
 
==== SST (Level 3) ====
 
==== SST (Level 3) ====
* Get data from http://oceancolor.gsfc.nasa.gov/PRODUCTS/L3_sst.html
+
* Get data in HDF4 format from http://oceancolor.gsfc.nasa.gov/PRODUCTS/L3_sst.html
 +
 
 +
File names look like: <tt>A20023532002360.L3m_8D_SST_4</tt>
 +
''key:''
 +
* A: Aqua
 +
* 2002: Year at start
 +
* 353: Julian day at start
 +
* 2002: Year at end
 +
* 360: Julian day at end
 +
* L3m: Level 3 data, mapped
 +
* 8D: 8 day ensemble
 +
* SST: Sea Surface Temperature product
 +
* 4: 4km pixel size (8640x4320 image, 2.5 minute resolution)
  
 
==== Chlorophyll-a (Level 3) ====
 
==== Chlorophyll-a (Level 3) ====
* Get data from http://oceancolor.gsfc.nasa.gov/PRODUCTS/L3_chlo.html
+
* Get data in HDF4 format from http://oceancolor.gsfc.nasa.gov/PRODUCTS/L3_chlo.html
 +
 
 +
 
 +
File names look like: <tt>A20023352002365.L3m_MO_CHLO_4</tt>
 +
''key:''
 +
* A: Aqua
 +
* 2002: Year at start
 +
* 335: Julian day at start
 +
* 2002: Year at end
 +
* 365: Julian day at end
 +
* L3m: Level 3 data, mapped
 +
* MO: One month ensemble
 +
* CHLO: Chlorophyll ''a'' concentration product
 +
* 4: 4km pixel size (8640x4320 image, 2.5 minute resolution)

Revision as of 02:46, 1 April 2008

There are two MODIS Satellites, Aqua and Terra.

MODIS Aqua

Sea surface color, temperature, and derivative images

SST (Level 3)

File names look like: A20023532002360.L3m_8D_SST_4 key:

* A: Aqua
* 2002: Year at start
* 353: Julian day at start
* 2002: Year at end
* 360: Julian day at end
* L3m: Level 3 data, mapped
* 8D: 8 day ensemble
* SST: Sea Surface Temperature product
* 4: 4km pixel size (8640x4320 image, 2.5 minute resolution)

Chlorophyll-a (Level 3)


File names look like: A20023352002365.L3m_MO_CHLO_4 key:

* A: Aqua
* 2002: Year at start
* 335: Julian day at start
* 2002: Year at end
* 365: Julian day at end
* L3m: Level 3 data, mapped
* MO: One month ensemble
* CHLO: Chlorophyll a concentration product
* 4: 4km pixel size (8640x4320 image, 2.5 minute resolution)