Yan Jiang, Engineering in Purdue
Developed a published mathematic model for forecasting the errors in estimated pollutant loads (eg.nitrate-N).
The codes that make this paper happens:
Jiang, Yan, et al. "Quantification of uncertainty in estimated nitrate-N loads in agricultural watersheds." Journal of Hydrology 519 (2014): 106-116.
Codes written during 2013-2014
http://www.sciencedirect.com/science/article/pii/S0022169414004879