Karnika Dwivedi,
M. P. Tripathi,
- Faculty of Agricultural Engineering, Department of Soil and Water Engineering, , Swami Vivekanand College of Agricultural Engineering and Technology & Research Station, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, India
- Faculty of Agricultural Engineering, Department of Soil and Water Engineering, , Swami Vivekanand College of Agricultural Engineering and Technology & Research Station, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, India
Abstract
This study was carried out at Indira Gandhi Krishi Vishwavidyalaya, Raipur (CG) on hydrological modelling and development of soil and water conservation plan for critical erosion prone and water potential sub-watersheds of Manendragarh watershed of upper Hasdeo subbasin in Chhattisgarh using Hydrological Engineering Centre-Hydrological Modelling System (HEC-HMS). The Hydrological Engineering Centre-Geo Hydrological Modelling System (HEC-Geo HMS) was utilized for developing the model setup, while the HEC-HMS model was employed to simulate monthly stream discharge and sediment concentrations within the Manendragarh watershed. After thorough validation, the HEC-HMS model was applied to identify and prioritize critical sub-watersheds prone to erosion and assess their water resource potential. Geographic Information System (GIS) tools were used to create watershed and sub-watershed boundaries, along with slopes, drainage, and soil maps. The watershed was divided into 28 sub-watersheds based on topographical and drainage characteristics derived from the Digital Elevation Model (DEM). The model was calibrated using data from six monsoon seasons (2000–2005) and validated with data from four subsequent monsoon seasons (2006–2009) to simulate monthly stream discharge and sediment yield. The calibration and validation results demonstrated a strong correlation between observed and simulated hydrographs for both variables. Based on graphical and statistical evaluation metrics, the HEC-HMS model’s calibration showed that simulated monthly stream discharge and sediment yield closely matched observed values during the monsoon months of 2000–2005. Similarly, during the validation period (2006–2009), the model’s simulated values aligned well with the observed data. Key parameters, including Initial Abstraction (Ia), Curve Number, Lag time (Tlag), Muskingum K and X, Erodibility factor (K), Slope length factor (LS), Cover factor (C), and Soil Conservation Practice factor (P), were calibrated to values of 20 mm, a 2% decrease for agricultural cover, a 5% decrease for forest and settlement areas, 110, 0.13 and 0.03, 0.26, 2, 0.05, and 0.5, respectively. These findings indicate that the model is effective for simulating monthly stream discharge from the Manendragarh watershed within the Hasdeo Subbasin
Keywords: Critical watershed, DEM, HEC-HMS, Sediment yield, Water potential areas
[This article belongs to Research & Reviews : Journal of Ecology ]
Karnika Dwivedi, M. P. Tripathi. Identification and Prioritization of Critical Erosion Prone and Water Potential Areas of Manandragarh Watershed Using HEC-HMS for Management. Research & Reviews : Journal of Ecology. 2024; 14(01):26-44.
Karnika Dwivedi, M. P. Tripathi. Identification and Prioritization of Critical Erosion Prone and Water Potential Areas of Manandragarh Watershed Using HEC-HMS for Management. Research & Reviews : Journal of Ecology. 2024; 14(01):26-44. Available from: https://journals.stmjournals.com/rrjoe/article=2024/view=191605
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Research & Reviews : Journal of Ecology
| Volume | 14 |
| Issue | 01 |
| Received | 23/10/2024 |
| Accepted | 25/12/2024 |
| Published | 31/12/2024 |
| Publication Time | 69 Days |
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