What is the meaning / definition of Yield Management in the hospitality industry? Simply put, the purpose of Yield Management (aka Revenue Management) is to achieve maximum revenue/profit. To do this, a yield management strategy needs to be both reflective and forward-looking.
Scientists call the ionosphere an extension of the thermosphere. So technically, the ionosphere is not another atmospheric layer. The ionosphere represents less than 0.1% of the total mass of the Earth's atmosphere.
The temperature decreases with altitude. Stratosphere: The stratosphere is found from about 7 to 30 miles (11-48 kilometers) above the Earths surface. In this region of the atmosphere is the ozone layer, which absorbs most of the harmful ultraviolet radiation from the Sun.Click for a larger image.) Â© UC Regents The Different Levels of the Atmosphere are: Troposphere: This is the lowest atmospheric layer and is about seven miles (11 km) thick.