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Journal of Experimental Agriculture International, ISSN: 2457-0591, ISSN: 2231-0606 (Past),Vol.: 23, Issue.: 2

Original-research-article

Evaluating of Sediment Delivery Ratio on Spatial and Temporal Variabilities in Semiarid Watershed Brazil

 

Victor Casimiro Piscoya1*, Vijay P. Singh2, José Ramon Barros Cantalice1, Moacyr Cunha Filho3, Sergio Monthezuma Santoianni Guerra1, Cristina dos Santos Ribeiro4, Renisson Neponuceno de Araújo Filho5 and Sandro Augusto Bezerra6

1Department of Rural Technology, Environmental Engineering Pós- Graduate Rural Federal of Pernambuco University (UFRPE), Recife-PE, Brazil.

2Department of Biological and Agricultural Engineering and Zachry, Department of Civil Engineering, Texas A&M University, College Station, Texas 77843-2117, USA.

3Department of Informatics and Statistics, Rural Federal of Pernambuco University (UFRPE), Recife-PE, Brazil.

4Environmental Engineering Pós- Graduate Rural Federal of Pernambuco University (UFRPE), Recife-PE, Brazil

5Federal University of Tocantins (UFT), Tocantins, Brazil.

6Federal Institute of Pernambuco-Campus Vitória de Santo Antão (IFPE), Recife-PE, Brazil.

Article Information

Editor(s):

(1) Zijian Li, Department of Civil Engineering, Case Western Reserve University, USA.

Reviewers:

(1) Ayten Erol, Süleyman Demirel Üniversity, Turkey.

(2) Nnamdi Enyereibe Ekeocha, University of Port Harcourt, Nigeria.

(3) Clement Kwang, Anadolu University, Turkey.

Complete Peer review History: http://www.sciencedomain.org/review-history/24623

Abstracts

Evaluation of sediment delivery ratio is important for determining watershed sediment yield. Rates of both interrill and rill erosion were calculated under shrub and uncovered Inceptisols conditions and were not observed to the presence by ravines and gullies in the watershed of Jacu River, in a semiarid region, Brazil. Direct measurement campaigns of suspended sediment and bedload were also carried out by means of the US DH–48 for collection of suspended sediment samples and US BLH–84used to collect samples bed load. The soil loss due to interril erosion under uncovered conditions was equal to 8.43 t ha-1 and was considered high, and the same was true for the values of rill erosion with erodibility equal to 0.0021142 kg N-1 s-1 and critical shear stress (τc) equal to 2.34 Pa. The mean value of sediment delivery ratio of Jacu watershed was equal to .165 and ranged from .29 in the year 2 8 to . 26 in 2 1 . This variation was associated with the natural variability of semiarid environment, indicating the necessity of assessment for a longer period to deepen our knowledge of sediment delivery ratio of the Jacu semiarid watershed.

Keywords :

Watershed sediment yield; semiarid region; sediment delivery ratio; erosion.

Full Article - PDF    Page 1-10 Article Metrics

DOI : 10.9734/JEAI/2018/41408

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