Desert Echo

Desert

A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the land surface of the Earth is arid or semi-arid. This includes much of the polar regions, where little precipitation occurs, and which are sometimes called polar deserts or "cold deserts". Deserts can be classified by the amount of precipitation that falls, by the temperature that prevails, by the causes of desertification or by their geographical location.

Echo

In audio signal processing and acoustics, an echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener. Typical examples are the echo produced by the bottom of a well, a building, or the walls of enclosed and empty rooms.

Desert sand (color)

Desert sand is a very light and very weakly saturated reddish yellow color which corresponds specifically to the coloration of sand. It may also be regarded as a deep tone of beige.

desert

Noun

1. A barren area of land or desolate terrain, especially one with little water or vegetation; a wasteland.

Adjective

1. Usually of a place: abandoned, deserted, or uninhabited.

echo

Noun

1. Alternative letter-case form of Echo of the ICAO/NATO radiotelephony alphabet.

Noun

1. A reflected sound that is heard again by its initial observer.
2. An utterance repeating what has just been said.