How do calculate the salinity index using a Google Earth engine?

[@itsahmadkhaan5]

i have to find salinity of water/river with landsat8/9 images and indices salinity index 5....can you please tell me the formula of salinity index5 for water????????

[@Supriayans-jf9gn]

Sir, can we calculate the pH, alga blooms in the ocean? please help me to answer this questions

[@gisrsinstitute]

Yes. Contact this WhatsApp number: [phone] or Email: [e-mail]