what is the name of the upper boundary of the troposphere
Tropopause. The upper boundary of the troposphere, usually characterized by an abrupt change in lapse rate from positive (decreasing temperature with height) to neutral or negative (temperature constant or increasing with height).You can either type in the word you are looking for in the box below or browse by letter.Search:he upper boundary of the troposphere, usually characterized by an abrupt change in lapse rate from positive (decreasing temperature with height) to neutral or negative (temperature constant or increasing with height). You can either type in the word you are looking for in the box below or browse by letter. Search: