Several studies have successfully determined the total nitrogen and total phosphorus concentration in surface waters using remote sensing techniques. There are also recently published researches that revealed that the heavy metals iron, zinc, copper, chromium, lead, and cadmium in river waters could also be determined using remote sensing methodology.

You can find the answer here : Article Evaluation of sensing technologies for on-the-go detection o...

Hi,

Look the paper "The macroscopic kinetics of temporal and spatial variability of the vegetation index NDVI in the reserve "Yamskaya steppe" in conditions of soil pollution with heavy metals." : http://d33.infospace.ru/d33_conf/sb2019t2/111-127.pdf I translated the Adstract into English. Its about ground but water should use the same approach even being more dynamic...

Abstract

Grounded approach to identify patterns of temporal and spatial variability of photosynthetic active biomass on the basis of data analysis (NDVI, Landsat-8) remote sensing of the Earth using theoretical equations derived previously within the framework of the conservation laws of mechanics and of macroscopic chemical kinetics alive reacting systems. It is shown that by introducing a constant for each monitoring site (pixel) of the resultant (in the form of a geometric mean) initial concentration contained in the soil of heavy metals (Li, V, Cr, Co, Ni, Cu, Zn, As, Sr, Mo, Cd, Sn, Sb, Cs, Ba, Pb) in the constants of the equation odnomomentnaya seasonal dynamics

vegetation index obeys the theoretical equation, constants, and special points

which are the individualizing characteristics of each site (pixel).

When the introduction of the constants in the equation fixed time regularities of spatial changes of vegetation index at the monitoring sites (pixels) with the same, in addition to the concentrations of heavy metals and soil properties is reduced to the equation of dose-response relationships, constants, and special points which are the individualizing characteristics of the response of photosynthetic active biomass (NDVI) the resulting initial concentration in soil heavy metals of this

set.

As well try cyrillic Google search: "дистанционное зондирование тяжелых металлов" – as there are numerical Russian-Ukrainian references...

Andrey

Perhaps it is possible to know the presence of sodium, chlorine, calcium, sulfate,lead etc.

Phytoplankton which is an indicator of N and P

Dear Dr Israa Abdulwahab Al-Baldawi

I think you interested in this field.

Please refer to these articles you may find useful:

https://reader.elsevier.com/reader/sd/pii/S2212613916300721?token=83DDC3BC7E39E9A78A81496BB11185319D639FBE069B781468E4AF6A2C21852D96AA5F2D87C773B2D1DE40E6932A2928

https://reader.elsevier.com/reader/sd/pii/S030147971730052X?token=0137A0678EC87B3FFB5F9357191F11A6F0E6ABD3786A984949AE5165A9BDEF208D3B0ACD7FB755190D785886608EEF6F

Thanks

Ankur

Useful link:

Article Prediction of Macronutrients at the Canopy Level Using Space...

Hi:

try to look to this paper that we did in my group. If you find it helpful, on Github you also have the code to run your test.

GLAM Bio-Lith RT: A Tool for Remote Sensing Reflectance Simulation and Water Components Concentration Retrieval in Glacial Lakes

Cheers =)