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Agri 2024

Mallikarjuna Muddappa

Mallikarjuna Muddappa, Speaker at Agri Conferences
College of Agricultural Engineering, UAS, India
Title : Determination and assessment of morphometric analysis of Hirerayanakumpi sub-watershed in Krishna river basin of Raichur district, Kalyana-Karnataka, India using DEM and GIS techniques


The quantitative morphometric analysis of the present research study was taken up in the Hirerayanakumpi sub-watershed, Deodurga Taluka, Raichur district, Kalyana-Karnataka, India at 160 23’18” North latitude and 770 09’ 29” East longitude. The drainage network of sub-watershed was delineated and the parameters required for morphometric analysis are computed using by QGIS 2.6.1 and as well as ArcMap10.8.2 software’s. Various linear, relief and areal morphometric parameters such as area, perimeter, stream order, stream length, stream number, bifurcation ratio, drainage density, stream frequency, drainage texture, length of basin, form factor, circulatory ratio and elongation ratio are calculated. The drainage pattern of the study area is dendritic with stream order 5th (V) and lower streams order conquered in the selected watershed. The geometry of streams shows dendritic drainage pattern associated with coarse drainage texture in primary order of streams present on hill-terrain surface and semi-dendritic pattern in higher stream order flow on less elevated surface with gentle slope. The drainage density of the study area ranges from 0.20 to 2.50 km/km2, and the maximum density value was found along the higher stream order. The mean bifurcation ratio of this area is 4.01 and the high ratio was measured between the third and fourth order of stream segments. Furthermore, the sub-basin is found to be strongly elongated in shape with a length of 30.27 km, and the circularity ratio of this area is measured as 0.48 and elongation ratio as 1.10. The values of form factor and circulatory ratio of watershed indicate that the watershed is approaching towards the fern shape. The values of length of overland flow of the watershed indicate that the areas are associated with high runoff and less infiltration. The low value of ruggedness number indicates that watershed is having gentle slope. The research of morphometric analysis study helps to plan the selection and adoption of the soil and water conservation measures and the crop management practices in the prospect. Morphometric analysis helps to understand the geo-hydrological characteristics of the watershed. It is inevitable in development and management of drainage basin.

What will audience learn from your presentation?

  • Assess the impact of watershed planning through case studies.
  • Develop control and mitigation techniques for watershed problems.
  • Understand the concepts of watershed management and its effect on Soil and Water and natural resources.


Dr. Mallikarjuna Muddappa studied B.Tech.(Ag.Engg.) from University of Agricultural Sciences, Raichur-584104, Karnataka in 2010. He joined in for M.Tech.(SWCE) with ICAR-Junior Research Fellowship at Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra completed master degree in 2012 and the Doctoral degree Ph.D.(SWE) received with UGC- Senior Research Fellowship from University of Agricultural Sciences, Raichur-584104, Karnataka in 2017. He has published more than 10 research articles in NAAS journals. Since from 2017 working as Assitant Professor in the Dept. of Soil and Water Conservation Engineering, College of Agricultural Engineering, University of Agricultural Sciences, Raichur, Karnataka , India

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