NDLI: Sediment transport in furrow irrigation

Content Provider	Springer Nature Link
Author	Mailapalli, Damodhara R. Raghuwanshi, N. S. Singh, R.
Copyright Year	2009
Abstract	Irrigation-induced erosion in furrow irrigation causes loss of fertile soil and water quality degradation. Hence, quantification of irrigation-induced erosion is essential for efficient management of furrow irrigation. In this study, sediment transport was studied under bare and cropped field conditions for a furrow plot consisting of three parabolic shaped furrows of 40 m long and 0.5% slope. The inflow rates of 0.2, 0.3, 0.4 and 0.5 L s−1; and 0.3, 0.4, 0.5, 0.6 and 0.7 L s−1 were used for bare and cropped field conditions, respectively. The furrow cross section measured at every 5 m distance from the head end (before and after the irrigation event) was used to study the erosion pattern (erosion/deposition) along the furrow. The runoff collected at regular intervals of 10 min was used to study the sediment load. The total sediment export for an irrigation event was estimated using furrow cross-section data (FCD) and the sediment rate data (SRD), and compared with the total sediments collected at the tail end. For both bare and cropped conditions, soil erosion took place at the head and tail ends (free drain system), while the deposition occurred at the middle. The sediment transport increased initially and slightly decreased with time. A power relationship was obtained between the total sediment export and the inflow rate for bare furrow condition, whereas a linear relationship between these parameters was obtained for cropped field condition. The relative percentage errors suggested that both SRD and FCD methods can be used to estimate total sediment export from the field. The analysis (PSD) of the total sediments revealed that the geometric mean diameter of the sediment particle was 0.18 and 0.20 mm for bare and cropped field conditions, respectively.
Starting Page	449
Ending Page	456
Page Count	8
File Format	PDF
ISSN	03427188
Journal	Irrigation Science
Volume Number	27
Issue Number	6
e-ISSN	14321319
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-06-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Climate Change Sustainable Development Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Environment Agriculture
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Soil Science Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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