Authors: RITURAJ SHUKLA, Ramesh Pal Rudra, Prasad Daggupati, Colin Little, Kevin Mckague, Pradeep Goel, Narayan Shrestha, Jaskaran Dhiman
Download file: https://library.csbe-scgab.ca/docs/meetings/2021/CSBE21501.pdf
Published in: CSBE-SCGAB Technical Conferences » 5th CIGR and AGM Quebec City 2021 » Regular Sessions
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Description: In this study, the effectiveness of best management practices (BMPs) was estimated using the Soil and Water Assessment Tool (SWAT) for an agricultural low-land Jeannette Creek watershed (JCW). This watershed is located in the western portion of the Lower Thames Valley, which drains into the Lake Erie, Ontario, Canada. The main objective of the study was to find the best land management?s option to reduce the total phosphorous load (TPL). In a first step, JCW SWAT model were built-up with digital elevation model, soil and landuse datasets along with agronomical BMPs (viz., phosphorous application (PA), conservation tillage (CT), cover crop (CC)). Secondly, the model was applied to simulate discharge, sediment and TPL in stream flow at watershed outlet for the period of 2016-17. Then, the model was also evaluated to know the effect of existing BMPs to control the TPL at JCW outlet. The results revealed that the model performance statistics of stream flow, sediments and TPL was in the acceptable range to execute BMPs scenarios. The existing BMPs such as PA and CT are more effective as compare CC to reduce the TPL at watershed outlet. However, in JCW, PA were effective to retain 4 % of TPL whereas, CT reduction was found to be 1.4% respectively. Similarly, existing CC were very less effective, and retaining less than 1% of TPL in watershed. Therefore, the effectiveness of the all existing BMPs on an annual scale was 11% on retaining TPL in the watershed.
Conference name: 5th CIGR International Conference and CSBE-SCGAB AGM 2021, Quebec City,QC, 11-14 May 2021.
Session name: Soil and Water 4 - Soil conservation & Pollution Control
Publication type: Presentation
Language 1: en
Rights: Canadian Society for Bioengineering