That would be infrared rays, this is due to the wavelength.
It certainly can have wide spread effects, particularly close to the site of radiation.
Is a multimodal craft which, when in its main operational mode, flies in close proximity to the surface by utilising surface effect action
Cumulus clouds have a net cooling effect while Cirrus have a net warming effect. At night, most any cloud will make it warmer by trapping radiation (heat) from the earth. During the day, most clouds will act to block solar radiation and make it a little cooler.
Smog gets trapped in our troposphere due to a combination of factors such as temperature inversions, lack of wind or air movement, and the presence of pollutants like sulfur dioxide and nitrogen oxides. These factors can lead to the accumulation of pollutants close to the Earth's surface, causing smog to be trapped and linger in the lower atmosphere.
close to the surface
This is known as a temperature inversion. In this situation, warm air above cooler air near the surface prevents the vertical mixing of air, causing pollutants to be trapped close to the ground and leading to poor air quality.
Shiny surfaces are poor absorbers of infrared radiation because they reflect rather than absorb it. However, they can still be good emitters of infrared radiation if they are close to being perfect blackbodies. The reflectivity of the surface plays a significant role in determining its emissivity for infrared radiation.
The primary cause of a radiation inversion is when the Earth's surface loses heat rapidly at night, causing the air near the surface to cool and become denser. This denser air forms a layer close to the ground, trapping cooler air below and warmer air above, resulting in an inversion layer.
When cool air becomes trapped under warm air, it creates a temperature inversion which can trap pollutants close to the ground. This can lead to an increase in pollution levels as the pollutants are unable to disperse into the atmosphere.
Technically, the radiation will eventually reach the whole surface of the earth. The amounts, however are very small for everywhere except places somewhat close to the plant, too small to have a measurable health effect. Right now, environmental questions about the impact focus mostly on the area within 80 kilometers (50 miles) of the plant.
because they want to swim close to the surface
On the amount of radiation emitted; on how close the individual is to the source of the radiation; on any objects in between which might absorb part of the radiation.