Extant point-nonpoint trading programs involve trades of relatively certain point source emissions reductions for highly uncertain estimates of nonpoint reductions. Trade ratios, or uncertainty ratios, define the rate at which these imperfect substitute commodities are traded. Economic research...

Non-point source pollution and its impact on water quality are of great importance to policy makers, residence and farmers. This paper uses a hedonic property value model to investigate the marginal implicit values of water quality change in Hoover Reservoir in the Upper Big Walnut Creek (UBWC)...

In this research, we propose a framework to connect SWAT model with a dynamic discrete choice based land use model. With the recent years of cropland data layers published by NASS, USDA and data complied from other sources, we apply this framework to land use change in Upper-Mississippi River...