Hypoxia in the Gulf of Mexico
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Graphics of Streamflow and Nutrient Flux for the Lower Atchafalaya River at Melville, Louisiana
Streamflow and Nutrient Flux of the Mississippi-Atchafalaya River Basin and Subbasins Through Water Year 2010
Graphics of Streamflow and Nutrient Flux for the Lower Atchafalaya River at Melville, Louisiana
The following graphics depict annual flux of dissolved nitrite plus nitrate (figure 1), total nitrogen (figure 2), total
phosphorus (figure 3), dissolved orthophosphate (figure 4), and dissolved silica (figure 5), along with concurrent annual
streamflow for the Lower Atchafalaya River at Melville, Louisiana (Station ID 07381495).
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Figure 1. Annual dissolved nitrite plus nitrate flux at Atchafalaya River at Melville, Louisiana. Annual streamflow data from Atchafalaya River at Simmesport, Louisiana (USACE Station ID 03045).
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Figure 2. Annual total nitrogen flux at Atchafalaya River at Melville, Louisiana. Annual streamflow data from Atchafalaya River at Simmesport, Louisiana (USACE Station ID 03045).
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Figure 3. Annual total phosphorus flux at Atchafalaya River at Melville, Louisiana. Annual streamflow data from Atchafalaya River at Simmesport, Louisiana (USACE Station ID 03045).
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Figure 4. Annual dissolved orthophosphate flux at Atchafalaya River at Melville, Louisiana. Annual streamflow data from Atchafalaya River at Simmesport, Louisiana (USACE Station ID 03045).
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Figure 5. Annual dissolved silica flux at Atchafalaya River at Melville, Louisiana. Annual streamflow data from Atchafalaya River at Simmesport, Louisiana (USACE Station ID 03045).
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The data used to generate the above graphs are available on the following page.
The U.S. Geological Survey defines a water year as October 1st
of the previous year to September 30th of the designated year; for
example, water year 2005 is from October 1st, 2004 to September
30th, 2005.
2010 Flux Estimate Home >
Streamflow and Nutrient Delivery to the Gulf of Mexico >
Graphics of Streamflow and Nutrient Flux for the Lower Atchafalaya River at Melville, Louisiana