Get L Thia

Filling out the L Thia form online can seem complex, but with clear guidance, you can navigate each component with ease. This guide provides step-by-step instructions to ensure you accurately complete the form, regardless of your previous experience.

Follow the steps to successfully fill out the L Thia online.

1. Click the ‘Get Form’ button to obtain the L Thia document and open it for editing.
2. Begin by setting up your ArcView project. Create a new view and unzip the L Thia GIS extension software zip file containing sample GIS datasets.
3. Load the L Thia GIS extension into your ArcView environment to access its functionalities.
4. Add the required land use and soil shapefiles to your project as specified in the documentation.
5. Navigate to the L Thia GIS menu and select the Land Use Classification option to create the necessary fields for curve number calculations.
6. Specify your current working directory and select the land use classification shapefile for processing.
7. Name the new land use grid file and accept the default output information for further processing.
8. Focus on the soil theme by selecting the Soil Classification option from the L Thia GIS menu.
9. Choose the appropriate soil shapefile and name the output grid file based on your project needs.
10. Proceed to calculate the Curve Number by selecting the designated command and setting your working directory.
11. Output the Curve Number shapefile and agree to the statistics for the CN_Value field.
12. In the series of new screens, initiate the L Thia program by selecting the run command and creating a new input file.
13. Follow the prompts to set up your input variables, including precipitation data and antecedent moisture conditions.
14. After running the model, check the obtained runoff depth data and ensure everything is correctly calculated.
15. Use the runoff depth theme to create a runoff volume map, selecting the necessary outputs according to your project specifications.
16. Complete the polluting loading calculations by estimating Non Point Source Pollutant Loading based on your runoff volume results.

Start filling out your L Thia form online today to take advantage of its comprehensive insights.