---
title: "2D Soil Type"
canonical: "https://help.innovyze.com/space/xps/19663620/2D%20Soil%20Type"
format: markdown
---
**2D hydraulic infiltration** can be applied to the model, termed *transmission loss,* to differentiate from Infiltration within the Runoff Mode. 

---

This 2D infiltration or transmission loss can be applied to the model using the Green Ampt, Horton, and Initial/continuing loss methodologies. These loss values are applied in **Configuration ****>** **Global Data > (2D) Soil Type**.

![image](media://fb6038b8-e139-4565-a31b-b3393ab96b7e)

You may select the transmission loss method to either **Initial/Continuing Loss Method**, **Horton Method**, or **Green-Ampt Method**. If the **Initial and Continuing Loss** method is selected, only the initial and continuing loss must be set, the other input data can be left blank or as default. For the **Horton Method**, provide the initial loss, initial loss rate, exponential decay rate, and final loss rate. For the **Green-Ampt** method, a maximum ponding depth (ft, m) must be set. 

The various **Soil Parameters** may be set with user defined **Porosity**, **Suction**, **Initial Moisture,** and **Hydraulic Conductivity**. Standards from the United States Department of Agriculture (USDA) Soil Types may also be used.