Definition of Standard day
The term standard day is used throughout meteorology, aviation, and other sciences and disciplines as a way of defining certain properties of the atmosphere in a manner which allows those who use our atmosphere to effectively calculate and communicate its properties at any given time. For example, a temperature deviation of +8 °C means that the air at any given altitude is 8 °C (14 °F) warmer than what standard day conditions and the measurement altitude would predict, and would indicate a higher density altitude. These variations are extremely important to both meteorologists and aviators, as they strongly determine the different properties of the atmosphere.
Related terms
Kirchhoff–Helmholtz integral
The Kirchhoff–Helmholtz integral combines the Helmholtz equation with the Kirchhoff…
LUFS
Loudness units relative to full scale (LUFS), also known as loudness, K-weighted…
Auditory event
Auditory events describe the subjective perception, when listening to a certain sound…
Level (logarithmic quantity)
In science and engineering, a power level and a field level (also called a root-power…
Tonpilz
The term tonpilz or "acoustic mushroom" may refer to a certain type of underwater…
Cosmic noise
Cosmic noise, also known as galactic radio noise, is radio-frequency electromagnetic…
Stridulation
Stridulation is the act of producing sound by rubbing together certain body parts. This…
Noble Silence
Noble Silence is a term attributed to the Gautama Buddha, for his reported responses to…
Acoustic radiometer
An acoustic radiometer is a device designed to measure acoustic radiation, and thus…
Frequently asked questions
What is Standard day?
The term standard day is used throughout meteorology, aviation, and other sciences and disciplines as a way of defining certain properties of the atmosphere in a manner which allows those who use our atmosphere to effectively calculate and communicate its…