USGS: Science Topics: phosphorus

Science Topics

Phosphorus

Nonmetal element with symbol P and atomic number 15 <http://periodic.lanl.gov/15.shtml>

Subtopics:
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Results 1 - 4 of 4 listed by similarity [list alphabetically]

Phosphorus and groundwater: Establishing links between agricultural use and transport to streams [More info]: Explains why phosphorus is important, how it moves through the terrestrial water system, how we measure it, and what this means for people who need to manage or monitor human activities that produce it.
Application of the SPARROW watershed model to describe nutrient sources and transport in the Missouri River Basin [More info]: Maps and diagrams showing how the mathematical model predicts the distribution of various pollutants within a large watershed.
Nutrients in the Nation's streams and groundwater: National findings and implications [More info]: Despite public sector efforts to reduce nonpoint-source nutrients in streams and rivers, concentrations have remained the same or increased, continuing to pose risks to aquatic life and human health.
Reservoir sediment studies in Kansas [More info]: Report of completed reservoir sediment studies in Kansas using a combination of bathymetric surveying, sediment coring, chemical analysis, and statistical analysis to understand the quantity and quality of deposited sediment.

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U.S. Department of the Interior | U.S. Geological Survey
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