Journal Paper

Paper Information

Journal: اکوهیدرولوژی
Year:1396 | Volume:4 | Issue:3
Start Page:837 | End Page:846

video

sound

Persian Version

View:

125

Download:

0

Cites:

Information Journal Paper

Title

Effects of consecutive storms on splash erosion components for two different rainfall intensities under laboratory conditions

Pages

 Start Page 837 | End Page 846

Abstract

 Obviously, no erosion occurs unless detachment takes place first, either by raindrop or runoff. The Raindrop-Impact-Induced Erosion (RIIE) occurs when detachment is caused by raindrop energy. For this purpose, a set of laboratorial experiments were scheduled to examine the effects of consecutive storms on RIIE components (i. e. upward splash, downward splash, net splash, total splash and upward splash/downward splash). The experiments were conducted for two different rainfall intensities of 30 and 90 mm h− 1 at slope of 5% under Rainfall simulation and soil erosion for a soil collected from Kojour rangeland watershed in the Alborz Mountains, northern of Iran. The comparative analysis of the results showed that there was no significant difference between upward with downward splash under rainfall intensity of 30 as well as under rainfall intensity of 90 mm h− 1 in consecutive storms (p ≤ 0. 05) using One-Way ANOVA in SPSS Statistics 22 software. In addition, the obtained results indicated that RIIE components viz. total and upward and downward splash were significantly different (p ≤ 0. 01) under rainfall intensities of 30 and 90 mm h− 1 in the third, fourth and fifth consecutive storms. However, net splash and upward/downward splash proportion was not significantly different (p > 0. 05) under rainfall intensities of 30 and 90 mm h− 1 in different consecutive storms. The results also indicated a 2. 5-fold increase in coefficient of variation of net splash and total splash under rainfall intensity of 30 mm h-1 then the rainfall intensity of 90 mm h-1.

Cites

  • No record.
  • References

  • No record.
  • Related Journal Papers

    Related Seminar Papers

  • No record.
  • Related Plans

  • No record.
  • Recommended Workshops






    File Not Exists.