Network panel
Algae Dataset
Every data hub, dataset, sensor, variable, paper and limitation in one tree — and for each: where it comes from, how far back it goes, how often it captures, why it belongs in a cholera study, and why it does not work everywhere.
Highlight site
All three
Chakaria HDSS
Matlab HDSS
Dhaka City
Choosing a site greys out everything that does not apply there.
- +DATA HUBSwhere the data physically comes from
- −DATASET TYPESgrouped by what kind of water they see
- +1. Ocean colour (hyperspectral)1 datasets
- +1. Ocean colour (merged)3 datasets
- −1. Ocean colour (single sensor)5 datasets
- ·AL06 · MODIS-Aqua Level-3 SMIA Reliable4.6 km · Daily / 8-day / month… · 2002-07→present
- ·AL07 · SeaWiFS Level-3 SMIA Reliable9 km (4 km avail.) · Daily / 8-day / month… · 1997-09-04→2010-12-11 …
- ·AL08 · VIIRS SNPP / NOAA-20 chlorophyll (NOAA CoastW…A Reliable4 km (750 m for some SNPP products) · DAILY · 2017 (SNPP) / 2019 (N20)→present
- ·AL13 · MODIS-Terra Level-3 SMIB Usable4.6 km · Daily / 8-day / month… · 2000-02-24→present
- ·AL21 · OCTS / CZCS historical ocean colourC Caution9 km · Daily/monthly · 1978 (CZCS) / 1996 (OCTS)→1986 / 1997
- +2. Inland/coastal high-res6 datasets
- +3. Lake / inland operational2 datasets
- +4. Model / reanalysis1 datasets
- +5. Discovery / portal1 datasets
- +6. Derived / uncalibrated2 datasets
- +7. In-situ validation5 datasets
- +SITE-WISEwhat actually applies at each site
- +DURATION & CAPTURE CADENCEdaily · weekly · 10-day · 16-day · monthly
- +VARIABLESwhat is computed from the bands
- +LIMITATIONSwhy not — typed and severity-ranked
- +PAPERSthe evidence, DOI-linked
1. Ocean colour (single sensor)
AL21 · OCTS / CZCS historical ocean colour
NASA OB.DAAC
C Caution
FREE
ACCOUNT NEEDED
Source · duration · capture cadence
- Data source
- NASA OB.DAAC
- Access route
- OB.DAAC API
- Endpoint / asset
NASA/OCEANDATA/...- Duration
- 1978 (CZCS) / 1996 (OCTS) → 1986 / 1997
- Capture cadence
- Daily/monthly
- Resolution
9 km- Delivers
- Chlorophyll-a
- Command
(not used)
Why it is used for cholera.
Historical, coarse calibration
Why not — catalogue limitation. Ends before your 2000 start. Of historical interest only.
Site applicability
| Site | Verdict | Why |
|---|---|---|
| Chakaria HDSS | NOT APPLICABLE | LOW — predates your period |
| Matlab HDSS | NOT APPLICABLE | LOW |
| Dhaka City | NOT APPLICABLE | NOT APPLICABLE |
Reliable · accessible · authentic
C Caution
Reliability tier
REGISTER
Accessible
NASA OB.DAAC
Authentic — operator
Documentation: https://oceancolor.gsfc.nasa.gov/
Typed limitations (1)
CRITICAL OCTS and CZCS predate the study period temporal blocks Chakaria blocks Matlab blocks Dhaka
CZCS ends 1986 and OCTS ends 1997. Neither overlaps 2000-2026 meaningfully.
What to do: Not used. Listed for completeness only.