nutrients (total nitrogen and total phosphorous) in the Shenandoah River. The mean Chl a concentration for 555 nm, 560 nm and ….56. Chemometrics analysis show that total phosphorous, nitrogen and turbidity can be predicted between 450 to 555nm and 670 to 710 nm … used to develop predictive models to determine sensitive spectral variables for nitrogen, phosphorous, Chl-a, and CDOM. …

for constructing PIOTs from process engineering models. The method was tested on a PIOT for nitrogen with a subset of … sectors in Illinois (USA) and compared with a nitrogen PIOT developed earlier for the same time period, finding equal or …

proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative …

lower while carbon (C) and nitrogen (N) concentrations were higher compared to the NFSI II. The C and N stocks deviate even …

and preliminary economic modeling to evaluate ion exchange columns, one technical option for recovering nitrogen from …

In addition to other nitrogen sources, nitrogen emissions from agriculture pollute waters and other environmental media … the impact of the Hessian water protection advisory service in the context of the EU Water Framework Directive on nitrogen …