Water Budgeting Module description

Thursday, April 16, 2020 3:33:00 PM

Water budgeting takes into consideration the needs of various users and helps in estimating water balance component for selected micro watershed.

Step by Step Process

After successful login, user will click on ‘Water Budgeting’ under Decision Support System. A web page for Water Budgeting DSS will be displayed to user.

  • The web page will have the drop down for selecting District, Taluk, Village, Watershed name, Survey Number. The details of input fields in Web page as shown below 

  • User will select the District, Taluk, Village, Micro Watershed, Year.
  • Calculate Water Balance, water percolation (DP) using DSS for Water Balance
  • Calculate ETc using DSS for Crop water Requirement.
  • Calculate Surface Runoff using DSS for Surface Runoff
  • Estimate Water availability in micro watershed
    • Measured capacities of surface water bodies
    • 30% of runoff generated through watershed:
      • This is 30% of Runoff which will be considered for harvesting within Watershed boundary and rest 70% is allowed to flow at downstream location such that it will not significantly affect riverine ecosystem.
    • Amount of water percolation in soil (deep percolation component in water balance DSS)
  • Estimate water required for irrigation based on the crop water requirement and irrigation requirement

Water required for irrigation = Crop water requirement + Irrigation losses

  • Estimate water requirement for household use
  • If water available > Human need ® then display water budget
  • Estimate water required for livestock purpose
  • If water available > Livestock need ® then display water budget
  • Estimate water available for irrigation by subtracting water required for human need + livestock from total water available
  • Fetch the Geometry from the Soil_Phase table against the LMU for the selected Watershed.
  • Display the result in a table showing the information such as Watershed Code, Watershed Name,Total Area in ha (acre),Annual Rainfall (mm),Total Available Water(m³),Human Need(m³) , Livestock Need(m³) , Available water for Irrigation (m³) .
  • Based on parameters like human population, livestock population, per capita water consumption for domestic use, livestock use, surface runoff from infiltration method, existing water resource availability per year the system calculates the result. The result table displays farmers name (On clicking the hyperlink the user is able to get information regarding land code, owner details and area of the land parcel from Bhoomi data)