[Answer] How do phosphates end up in the ocean?

Answer: runoff

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How do phosphates end up in the ocean? How Do Phosphates Affect WaterQuality? | Sciencing How Do Phosphates Affect WaterQuality? | Sciencing Sat Mar 01 2003 · Only a part of phosphorus settled onto the bottom is buried in sediments. Due to reducing diagenetic processes up to 30–40% of the primarily precipitated phosphorus diffuses from the upper layer of sediments into bottom water. Diffusion flux into the ocean significantly exceeds the supply of dissolved phosphorus from river runoff . Within the soil organic forms of phosphate can be made available to plants by bacteria that break down organic matter to inorganic forms of phosphorus . This process is known as mineralisation. Phosphorus in soil can end up in waterways and eventually oceans. Once there it can be incorporated into sediments over time. Mon May 21 2018 · Phosphorus in surface and groundwater. Phosphorus gets into water in both urban and agricultural settings . Phosphorus tends to attach to soil particles and thus moves into surface-water bodies from runoff . A USGS study on Cape Cod Massachusetts showed that phosphorus can also migrate with groundwater flows. By Jenny Green. Phosphates are chemicals containing the element phospho...

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