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
- +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
Variable
SWM
ocean colour ·
expected lag 8 weeks
- Formula
Rrs(412) - Rrs(555)- Sensors
- SeaWiFS / MODIS / VIIRS / OC-CCI
- Panel column
swm, reg_swm- Applies at
- Chakaria
- Reference
- Jutla et al. 2013, Remote Sens. Environ., PMID 23878762
Why it is used for cholera. Satellite Water Marker. The spectral distance between clear blue and turbid green water. R2 = 0.78 for spring cholera vs 0.58 for chlorophyll-a alone.