Describe any two methods of noise prediction and rating?

Noise prediction and rating are essential components of Environmental Impact Assessment (EIA) for assessing potential environmental health risks associated with noise pollution. Noise pollution can have detrimental effects on human health, wildlife, and the overall ecosystem, making it important to evaluate its potential impact before construction, industrial, or infrastructural projects are undertaken. Two widely used methods for noise prediction and rating include the Mathematical or Computational Models and Empirical Prediction Methods.

### 1. Mathematical or Computational Models

Mathematical or computational models are designed to simulate and predict noise levels from various sources. These models are used to estimate how noise will propagate in a given environment, accounting for various physical and environmental factors that influence sound transmission. The primary aim is to predict noise levels at specific locations based on the characteristics of the noise source, the environmental setting, and the receiver's location.

#### Key Features of Mathematical Models:

1. Source Characteristics: Mathematical models take into account the nature of the noise source. For example, noise generated by traffic, industrial machinery, or construction equipment differs in terms of frequency, intensity, and duration. The model calculates how the source's characteristics, such as its sound power and frequency spectrum, will influence the propagation of sound.

2. Propagation Path: The model assesses the distance between the noise source and the receptor (e.g., residential areas, schools, hospitals). It also incorporates environmental factors such as terrain, atmospheric conditions (humidity, wind, temperature), and the presence of obstacles like buildings or trees. These factors impact the degree _________ _________ ____ _____ ____ _____ ________ _____ _________ ____ _______ ___.
_________ __________ ___ _______ ___ ________ _________ _______ __________.
___ __________ _________ ____ __________ _____ _________ _______ _________ ________ ___ ________.
________ __________ __________ ________ _________ ___ _____ _________ _____ ___ _______.
______ ________ _______ ______ _________ __________ _________ __________ _____ _______ ____ _______.
_________ ______ _______ ________ _______ _________ _____ ______ ____ _________ __________ _____.
___ _______ ________ ____ ________ ___ _________ _______ ______.
____ _______ __________ ________ _____ ______ _________ ____ ______ _________.
_________ ________ _______ ______ ___ ____ _____ _______ ________ _________ ______.
_____ ___ _______ _____ ______ ___ _____ __________ _________.
______ ____ ______ ______ _________ ______ ____ _____.
________ __________ _________ ________ ___ _______ ______ __________ _____ __________.
__________ ____ __________ _________ _____ __________ ________ _____.
_________ __________ ____ ___ ________.
___ ____ ______ _____ __________ _______ __________ ____ ______.
_____ ______ _______ ___ ___ _____ ________ ________ ___ _______.
__________ ___ ______ _____ _______.
______ _______ ____ ___ __________ ______ ______ ________.
_______ _____ ____ ___ _________ _______ _______ ______ ___ _____.
____ ______ ________ __________ ________ _______ _________ _________ __________ ___.
__________ ___ ___ ________ ___.
______ _________ _____ _____ ___ ____ ___ ___.
______ ______ _________ ____ _____ ________ _________ ____ _______.
__________ ______ ________ _________ _______ _______ ___.
_____ __________ _________ ______ ___ ____ __________ ______ ________.
______ _______ ______ __________ ________ ________.
__________ _____ ___ _________ ____ _______ ______ _________ _____ ________.
_________ ___ ______ _________ _______ ______ ________.
________ _______ _______ ___ _______ _____ _______ _________ _______ _________.
______ _____ __________ _____ ______ ___ ______ ______.
__________ __________ _____ ________ ________ _______ ____ ______ _________ ____.
__________ ___ __________ _____ ________ _______ ____ _______ _________.
________ ________ ________ ________ _______ ___ ________ ______ ___.
_________ __________ _____ ________ ______ _______ _________ _____ ______ ________.
_____ _____ ____ ________ _____ _______ ______.
____ _________ _______ _________ ___.
_____ ________ _________ _________ ___ ________ ______ _____ ___ _____ ____.
____ __________ ______ ________ ___ _________ _________ ______ __________ _________ __________.
_____ _____ ______ _______ ___ ___ _________ _______ __________ _______ __________.
_________ _______ _____ ____ ___ _______ ____ ___.
__________ _____ ________ ________ __________ __________ _______ _____.
_______ ___ ___ ____ _____ ____ ___ _________ _____ ________ ___ ______.
_____ _______ _____ ________ ________ _________ _________ ________ ______ ________.
____ _______ _________ ______ ____.
__________ _____ __________ ____ _____.
________ __________ _______ ____ ___ ________.
_________ _________ ______ ________ ______ _______ _________ _________ __________ ____.
________ _____ ____ ___ _________ ___ _____ ___ _______.
_______ ___ ___ ________ ____ ________ ________ _________ _____ __________ _________ ___.
________ _______ ___ ___ _______ ______ _______ _______ _____ ________.
__________ ___ _____ _______ _____ _______ _______ _____ ____.
_______ _________ ____ __________ ________ ________ _________.
_________ ____ _____ ________ ________ __________ ______ _____ ____ _______ _________ _________.
_________ ____ ____ ____ ________ _________.
_________ ________ ____ ___ _________ __________ _________ _______ __________ _________ _________ _______.
________ ______ ________ _______ _____ _____ _______ _________ ___ ________ _____.
__________ _______ ________ ____ ____ ______.
_______ _____ _________ ______ _____ ____.
_______ ______ _________ ________ _______ _____ _____ _______ ________.
________ ________ _______ ___ ________ __________ ________ ____ _________.
__________ _________ ____ _________ _______ _____.
__________ _________ _______ ___ _________ _______ ________ __________ _____ __________ ________ ______.
______ _________ ______ ______ ______ _____ ____ _________ __________ ________.
___ ________ ______ _______ ____ __________ _________ ________.
______ _________ _______ _________ ______ _____ _______ _______ __________ ___ __________.
__________ __________ _____ ___ ______ __________ ______ _______.
_____ ____ _______ ______ ______ ___ _______ ____.
______ _____ ______ ________ ___ _________ _______ ___ ________.
_______ _____ ___ ____ ________ _________ ____ ________ ____ ____ ______.
_____ ______ _______ _______ ___.
_____ _______ _______ ________ _________ __________ _____ __________ ______ _______ ____.
___ _____ _______ ______ _________ _________ ________ _______ _________.
__________ ________ ________ ____ __________.
_______ ________ ________ _________ _____ __________ _______.
_______ __________ _________ ___ ________.
_____ ___ ______ _____ ______ __________ ________ _________ ________ ________ _________ _____.
___ _____ ________ ________ _______ _______ _______ __________ ____ _________ ________ __________.
_________ ___ _______ _________ ____ ____ _____ _________ ____ ___.
______ _____ ______ _______ ______ ____ _________ ___ _______ ________.
_______ _____ _______ _____ ________ ___ _______ _______ ___.
____ ____ __________ ________ _____ _______ ______ ________ ___ ______.
_______ __________ ________ __________ __________ _____ _____ ________ ______.
________ ______ ___ _________ _____ __________.
_______ _______ ________ ________ _______ ____ ________.
______ _____ __________ ________ __________ ________.
_____ ______ ________ ____ ________ _____ ____ __________ ____ _______.
______ _____ _________ _________ ______ ___ ____ __________ ___ _______ __________ ____.
__________ ____ ___ ________ ______ _______ __________ _________ _________.
____ ______ _____ _____ _______ _____ _________ _______ _____.
_____ ______ ____ ________ __________ __________ ____ ___ ____ __________ _______ ___.
_____ __________ ____ ___ __________ ______ __________ ____.
________ ________ ______ _______ ___ ____.
_____ ___ _____ ______ ___ ___ ________ _____ _________ __________ _________ _______.
________ ___ ___ ____ _____ ___ ____ _______ _________.
__________ _________ _________ __________ ______ ________.
____ _______ _______ ______ _______ ___ _____ ___ _____.
________ ___ _________ _________ ____ _______ _________ ________ _____ _________ _____ ______.
_________ _________ _____ _______ ___ ______ ____ __________.
_______ _________ ___ __________ ____ ______ _____ _________ __________ _________ _______.
__________ _______ _____ _____ _______ ____ _________ ____.
____ ____ ______ ______ ________ __________ ________ __________.
_______ _________ ________ __________ __________ ____ _____ _______ ________ __________.
____ _______ _______ ________ ___ ________ ______ ___ _____ _____ __________.
___ _______ ________ _________ _________ ________ _________.
_______ _________ ________ _________ _________ _________ _____ ______ ______.
______ _________ _______ ________ __________ ________ _____ _______ _____ __________ ___.
___ ______ _________ ______ _________ ____ _____.
__________ ________ ________ _____ _________ _________ ________ ____.
_________ _______ _______ __________ ___ _____ ____ ________ __________.
_______ ______ _________ _______ __________ ________ __________ _______.
___ _________ ________ _____ _______ __________ _____ _______ ______ __________ _______ ______.
______ ___ _________ _________ ______.
________ ______ _____ ____ ____ __________ ______ _________.
Get Full Answer on WhatsApp