Comments (3)
Original comment by [email protected]
on 29 Jul 2013 at 9:18
- Changed state: Accepted
from ledaps.
Atmospheric opacity can certainly be generated for L4TM products. It has been
generated for LT40260461989066XXX02. Will investigate what may be going on
with this scene. When looking at the browse, the scene is quite dark. Not
sure if that plays into this or not.
Original comment by [email protected]
on 29 Jul 2013 at 9:20
from ledaps.
The AOT is being flagged as fill in the Ar function for this scene. I've found
other scenes where this occurs, including the polar scenes. After digging into
the code and into a paper by Eric Vermote, the aerosol optical depth
(atmospheric opacity) is calculated based on 16 regions within the image. If
each of those regions exceeds a particular threshold for clouds, water,
reflectance standard deviation, or avg reflectance, then the AOD is not
calculated. For the scene specified in this problem report, it is exceeding
the cloud and water thresholds in each of these regions. The same occurs for
the polar scenes.
If you pull up the cloud-related and the water QA bands, you'll see that the
image is inundated with either clouds or water.
Original comment by [email protected]
on 1 Aug 2013 at 9:11
from ledaps.
Related Issues (20)
- 1.3.0 L4 TM OOBs HOT 2
- 1.3.0 PS GCP Files? HOT 1
- space.c GCTPC prototypes conflict with GCTPC 2.0 HOT 2
- Top and bottom of scene is flagged as water
- 1.3.1 LEDAPS Bands 5/7 OOBs
- lndpm seems to only work if all HDF and Landsat files are in the same directory. HOT 3
- Can't get lndsrbm to compile HOT 4
- Missing file "espa_metadata.h" on Debian compile HOT 3
- No opacity values generated for LT50060221989206PAC00 and LT50060231989206PAC00
- Automated build system
- Add include options to do_ledaps.py HOT 5
- Change SDS name for fmask HOT 1
- Remove the NoData value from the QA bands HOT 4
- Temporary file errors - intermittent HOT 4
- Abrupt delineation between cloud and snow in highly cloudy scenes HOT 3
- NCEP Reanalysis update script fails HOT 6
- ncep_reanalysis_surface_repackage.c bug - year calculation
- QA Value Modification to include Fill in each band
- 1.3.0 SR changes in 039/037 HOT 2
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