There are number of algorithms available in the literature for soil moisture down scaling especially derived from satellite data. Can these algorithms be used for soil nutrients also? what corrective actions should be taken in that case?
Dr Ranendu Ghosh,
Have you seen
"Subregional and downscaled global scenarios of nutrient transfer
in river basins: Seine‐Somme‐Scheldt case study" by Vincent Thieu et al, in
GLOBAL BIOGEOCHEMICAL CYCLES, VOL. 24, GB0A10, doi:10.1029/2009GB003561, 2010
If not see URL below:
http://onlinelibrary.wiley.com/doi/10.1029/2009GB003561/pdf
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V Jayaraman
Another paper I think that could be of some relevance is
"A spatially explicit methodology to quantify soil nutrient balances and their uncertainties at the national level" by J. P. Lesschen et al
Nutr Cycl Agroecosyst (2007) 78:111–131
DOI 10.1007/s10705-006-9078-y
http://paperity.org/p/12714391/a-spatially-explicit-methodology-to-quantify-soil-nutrient-balances-and-their
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