Simulation of runoff and sediment yield from a hilly watershed in the eastern Himalaya, India using the WEPP model

Singh, R. V.; Panda, Rutuparna; Satapathy, K. K.; Ngachan, S. V.

doi:10.1016/j.jhydrol.2011.05.022

Cited by 70 publications

(44 citation statements)

References 32 publications

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“…As a final result, the model estimates the average annual soil loss and sediment yield. At slope scale, soil loss means the detachment and movement of topsoil by flowing water, while sediment yield means the amount of material eroded from the land surface by runoff and delivered to a channel or a stream system [SINGH et al 2011].…”

Section: Research Methods and Study Areamentioning

confidence: 99%

Evaluation of the effects of land consolidation in the Latyczyn village in terms of land protection against erosion on the slope scale

Rybicki¹

2017

Journal of Water and Land Development

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Soil erosion by water is an important economical issue strongly deteriorating environment and requiring remedial actions. The study was designed to evaluate antierosion effect of changes in the layout of plots from along to across slope as an effect of land consolidation. Moreover, rightness of leaving newly set out boundaries of plots without any protection (i.e. sodding) was evaluated. For this purpose simulations of use of additional anti-erosive measures were done. The Water Erosion Prediction Project (WEPP) model was used. Studies have shown that in addition to the design of transverse layout of parcels during consolidation, further antierosion measures may be necessary to reduce soil loss and sediment yield. In order to minimize soil losses outside the slope, boundaries between the newly designed fields should be sodded already in the post consolidation management. Limitation the amount of erosion over the entire slope requires use of additional protection measures in the upper part of slopes e.g. shelterbelts and antierosion crop rotations. WEPP model can be recommended for Provincial Bureaus of Surveying as a tool to support the development of assumptions for consolidation projects of lands threatened by erosion.

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Section: Research Methods and Study Areamentioning

confidence: 99%

Evaluation of the effects of land consolidation in the Latyczyn village in terms of land protection against erosion on the slope scale

Rybicki¹

2017

Journal of Water and Land Development

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“…Annual NSEI ranged from 0.78 to 0.92 for the sediment yield events in these five years. Singh et al (2011) also applied the WEPP model in the eastern Himalaya region of India to the 239 ha hilly Umroi watershed under bun agriculture. Calibration was performed using observed runoff and sediment loss data for 86 storms in 2003, and validation conducted using data from 98 storms in 2004.…”

Section: The Water Erosion Prediction Projectmentioning

confidence: 99%

Predicting plot soil loss by empirical and process-oriented approaches. A review

Bagarello

Ferro²,

Flanagan

2018

J Agricult Engineer

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Soil erosion directly affects the quality of the soil, its agricultural productivity and its biological diversity. Many mathematical models have been developed to estimate plot soil erosion at different temporal scales. At present, empirical soil loss equations and process-oriented models are considered as constituting a complementary suite of models to be chosen to meet the specific user need. In this paper, the Universal Soil Loss Equation and its revised versions are first reviewed. Selected methodologies developed to estimate the factors of the model with the aim to improve the soil loss estimate are described. Then the Water Erosion Prediction Project which represents a process-oriented technology for soil erosion prediction at different spatial scales, is presented. The available criteria to discriminate between acceptable and unacceptable soil loss estimates are subsequently introduced. Finally, some research needs, concerning tests of both empirical and process-oriented models, estimates of the soil loss of given return periods, reliability of soil loss measurements, measurements of rill and gully erosion, and physical models are delineated.

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“…), ginger, turmeric etc., especially in uplands. Normally, farmers raise crops on the temporary bun (raised bed) keeping the sunken area (area between the two raised beds) unutilized (Singh et al 2011). Some farmers in isolated pockets of Meghalaya, India also follow bun cultivation for growing vegetables after kharif rice in lowlands.…”

Section: Introductionmentioning

confidence: 99%

Raised and sunken bed land configuration for crop diversification and crop and water productivity enhancement in rice paddies of the north eastern region of India

Das

Layek

Ramkrushna

et al. 2014

Paddy Water Environ

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The crop and water productivity (WP) of monocropped rice in lowland of north-eastern region of India is low mainly due to cultivation of long duration variety, meagre use of fertilizer and manure, and inefficient water management, which needs to be improved for sustaining food security. Raised and sunken bed (RSB) land configuration (removing the surface soil layer from an area and depositing on the adjacent area to a height of about 50 cm by cutting and filling method) was demonstrated in a participatory research mode in farmers' field during 2010-2012 for promoting crop diversification, enhancing crop and WP, and improving livelihood. The results indicated significant improvement in cropping intensity, productivity, employment, and income of farmers due to adoption of RSB land configuration compared to farmers' practice (FP) of rice monocropping. The average rice equivalent yield (REY) of RSB land configuration was 16.20 t ha -1 compared to 3.24 t ha -1 under FP. The enhancement in employment and water-use efficiency were 445 and 291 % due to RSB over FP, respectively. The WP enhanced by four times due to RSB (0.69 kg m -3 water) compared to FP (0.18 kg m -3 water). In raised beds, the highest gross (USD 7,346 ha -1 ) and net returns (USD 4,524 ha -1 ) were recorded under tomato-okra-broccoli sequence, while in sunken beds, the highest gross and net returns were obtained under rice-pea (USD 2,633 and 1,590 ha -1 , respectively) and these were substantially higher than those observed under FP (USD 775 ha -1 and USD 383 ha -1 , respectively). Multiple cropping index, cultivated land utilization index, and diversity index also increased substantially due to RSB land configuration.

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Simulation of runoff and sediment yield from a hilly watershed in the eastern Himalaya, India using the WEPP model

Cited by 70 publications

References 32 publications

Evaluation of the effects of land consolidation in the Latyczyn village in terms of land protection against erosion on the slope scale

Evaluation of the effects of land consolidation in the Latyczyn village in terms of land protection against erosion on the slope scale

Predicting plot soil loss by empirical and process-oriented approaches. A review

Raised and sunken bed land configuration for crop diversification and crop and water productivity enhancement in rice paddies of the north eastern region of India

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