Hypoxia in the Gulf of Mexico
Streamflow and nutrient flux of the Mississippi-Atchafalaya River Basin and subbasins are provided through water year 2011, which includes the period or record through September 2012. The information provided on this page uses approved data. This information extends the information provided by Aulenbach and others (2007) for the period of record through water year 2005 and uses the same approach and methodologies.
Specific information on the data and methodology used is provided by the following report sections from Aulenbach and others (2007).
Aulenbach, B.T., Buxton, H.T., Battaglin, W.T., and Coupe R.H., 2007, Streamflow and nutrient fluxes of the Mississippi-Atchafalaya River Basin and subbasins for the period of record through 2005: U.S. Geological Survey Open-File Report 2007-1080