作者: William A. Battaglin , Brent T. Aulenbach , Aldo Vecchia , Herbert T. Buxton
DOI: 10.3133/SIR20095164
关键词: Flux 、 Nutrient 、 Streamflow 、 Hydrology 、 Drainage basin 、 Environmental science
摘要: In spite of the general decrease in nutrient flux, the average size of the Gulf of Mexico hypoxic zone has increased between 1997 and 2007. The reasons for this are not clear but could …