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
NDCI
chlorophyll ·
expected lag 4-8 weeks
- Formula
(B5 - B4) / (B5 + B4)- Sensors
- Sentinel-2 MSI / Sentinel-3 OLCI / MERIS
- Panel column
ndci, ndci_max, ndci_wmax- Applies at
- Chakaria Dhaka Matlab
- Reference
- Mishra & Mishra 2012, Remote Sens. Environ. 117:394-406, doi:10.1016/j.rse.2011.10.016
Why it is used for cholera. The red-edge index. Works in TURBID productive water where blue-green ratios (OC4) fail - i.e. every water body at all three of your sites.