Welcome.
Basics.
Object Modifications.
Obstacles.
- Screening and Reflection.
- Projection.
- Lateral Diffraction.
- Absorption.
  - Frequency-Independent Ground Attenuation.
  - Frequency-Dependent Ground Attenuation.
Industry.
Roads.
Railways.
DTM.
Project Management.
Extended Analysis.
Import and Export.
The Plot Designer.
Noise Mapping.
Distributed Calculation.

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You are here: Obstacles > Absorption

Absorption

According to ISO 9613-2, there are two ways of calculating ground absorption.This tutorial shows the different methods with their different results based on a simple test case.

It is advisable to work through the chapter Basics and the first sections of this chapter before learning about absorption.

Direct Links to the Videos

Frequency-Independent Ground Attenuation