Sample Images
Sample imagery from the MODIS Atmosphere Daily File (08_D3).
Daily
The Daily Global Joint Product contains roughly 600 statistical datasets derived from Level-2 MODIS Atmosphere parameters that are summarized over a 24-hour (00 to 00 GMT) period. The ESDT names are MOD08_D3 (Terra) and MYD08_D3 (Aqua).
Documentation
Key MODIS Scientific Publications
Level-3 Global Gridded Daily, Eight Day, Monthly Product (08_D3, 08_E3, 08_M3)
DOI Reference
MODIS Atmosphere L3 Daily Global Product
Dataset Short Name:
MOD08_D3 (Terra Platform)
MYD08_D3 (Aqua Platform)
Dataset Long Name:
MODIS/Terra Level-3 (L3) Atmosphere Daily Global Product
MODIS/Aqua Level-3 (L3) Atmosphere Daily Global Product
(1x1 degree Resolution)
File Spec
L3 Daily (08_D3) File Specification
(Common Data Language (CDL) Format)
The link below allows one to download and view the complete Common Data Language (CDL) file specification. This file spec gives a complete description of the MODIS Atmosphere Daily Global HDF product file, including all the Scientific Data Sets and their local attributes. Note that the file specs are identical for Terra and Aqua.
L3 Daily (08_D3) C6.1 File Spec (2.1 MB)
Format & Content
Daily Product (08_D3) File Format Basics
Grids & Mapping
Equal Angle Grid
Algorithm Overview
L3 Daily Algorithm
Understanding the L3 Gridding
Before one can understand the L3 algorithm and how the L2 input data is gridded in L3; it's best to review the stored geolocation of the L2 (input) products - since that input L2 geolocation is used to place the input data on the L3 grid.