EFFECT OF SOIL EROSION ON AVAILABLE PHOSPHORUS LOSSES IN A HYRCANIAN WATERSHED

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FAZLI S.; MIRNIA S.K.; NOOR H.

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Paper Information

Journal: Environmental Erosion Research Year:2011 | Volume:1 | Issue:2 Page(s): 43-51

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Information Journal Paper

Title

EFFECT OF SOIL EROSION ON AVAILABLE PHOSPHORUS LOSSES IN A HYRCANIAN WATERSHED

Author(s)

FAZLI S. | MIRNIA S.K. | NOOR H. | Issue Writer Certificate

Keywords

KOJOUR WATERSHEDQ2

NUTRIENTSLOSSQ3

PHOSPHORUSLOSSQ2

REGRATION MODELSQ2

WATER POLLUTIONQ2

Abstract

One of the most important environmental problems is soil erosion and its effects. Eutrophication, low oxygen levels and high nutrient (nitrogen and phosphorus) concentrations in reservoirs, channels and other water sources, is a common result of WATER POLLUTION. Phosphorus (P) is one of the major plant nutrients as well as a major nutrient controlling eutrophication of surface water. The aim of the current study was to evaluate the effect of soil erosion on available phosphorus loss in the KOJOUR WATERSHED. Discharges resulting from storm events were sampled at one fixed point in the river using a manual sampler. Results showed that minimum and maximum phosphorus loss through 7 rainfall events was 321 and 6707 g, respectively, with an average value of 2620 g. The result of modeling among phosphorus loss, sediment yieldrate in this period dramatically affected the loss of phosphorus. The result of modeling among phosphorus loss, sediment yield and runoff volume indicated that phosphorus loss could not be estimate by discharge, while sediment concentration estimated the loss of phosphorus with an estimation error of 26%. The results could facilitate the application of given methods obtained in the present study to other ungauged watershed with similar conditions, leading to the suitable soil and water management.

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References

ESTIMATION OF ORGANIC MATTER LOSSES IN A HYRCANIAN ECOSYSTEM A CASE STUDY OF KOJOR WATERSHED

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APA: Copy

FAZLI, S., MIRNIA, S.K., & NOOR, H.. (2011). EFFECT OF SOIL EROSION ON AVAILABLE PHOSPHORUS LOSSES IN A HYRCANIAN WATERSHED. ENVIRONMENTAL EROSION RESEARCHES, 1(2), 43-51. SID. https://sid.ir/paper/223058/en

Vancouver: Copy

FAZLI S., MIRNIA S.K., NOOR H.. EFFECT OF SOIL EROSION ON AVAILABLE PHOSPHORUS LOSSES IN A HYRCANIAN WATERSHED. ENVIRONMENTAL EROSION RESEARCHES[Internet]. 2011;1(2):43-51. Available from: https://sid.ir/paper/223058/en

IEEE: Copy

S. FAZLI, S.K. MIRNIA, and H. NOOR, “EFFECT OF SOIL EROSION ON AVAILABLE PHOSPHORUS LOSSES IN A HYRCANIAN WATERSHED,” ENVIRONMENTAL EROSION RESEARCHES, vol. 1, no. 2, pp. 43–51, 2011, [Online]. Available: https://sid.ir/paper/223058/en

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