If an atmosphere is stable to convection, it means a rising air parcel will be (choose all correct answers):

Question

BlackTom AI · Accepted Answer

When assessing stability to convection, we ask what happens to a parcel that starts to rise. If the atmosphere is stable, a parcel that is lifted will tend to return to its original level rather than continue rising.
Option 1: less dense than the surrounding air — this would make the parcel buoyant and cause it to keep rising, which contradicts stability. A stable atmosphere does not support a rising, less-dense parcel.
Option 2: warmer than the surrounding air — a warmer parcel is lighter and would rise on its own, again implying instability. This is not consistent with a stable stratification.
Option 3: colder than the surrounding air — a cooler parcel is denser than its environment, so it will slow its ascent and tend to sink back or stop rising, aligning with stability.
Option 4: denser than the surrounding air — increased density relative to the environment makes the parcel negatively buoyant, reinforcing the tendency to resist or stop rising, which matches stable conditions.
In summary, for an atmosphere stable to convection, rising parcels are typically denser and colder than their surroundings, causing them to stall or sink back rather than continue rising.

CLMTGR5001_002_2025_3 - Dynamics of Climate Variability and Chan Midterm Group A (Secure Browser)

If an atmosphere is stable to convection, it means a rising air parcel will be (choose all correct answers):

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类似问题

The atmosphere is typically most unstable _____.

Radiative equilibrium temperature profile is stable to convection.

Radiative equilibrium temperature profile is unstable to convection.

A conditionally unstable atmosphere is with respect to unsaturated air and with respect to saturated air.

Radiative equilibrium temperature profile is stable to convection.

If the temperature of the air outside the parcel at the summit of Pike Peak is -20°C. What will happen to the parcel when it is released at the summit?

Pikes Peak has an elevation of 4302 m. If a parcel of air at the top of Peaks Peak has a temperature of -17°C and a relative humidity of 85%. If the temperature in Denver (elevation 1609 m) is 18°C the layer of atmosphere between Denver and Pikes Peak is:

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CLMTGR5001_002_2025_3 - Dynamics of Climate Variability and Chan Midterm Group A (Secure Browser)

If an atmosphere is stable to convection, it means a rising air parcel will be (choose all correct answers):

查看解析

登录即可查看完整答案

类似问题

The atmosphere is typically most unstable _____.

Radiative equilibrium temperature profile is stable to convection.

Radiative equilibrium temperature profile is unstable to convection.

A conditionally unstable atmosphere is ____ with respect to unsaturated air and ____ with respect to saturated air.

Radiative equilibrium temperature profile is stable to convection.

If the temperature of the air outside the parcel at the summit of Pike Peak is -20°C. What will happen to the parcel when it is released at the summit?

Pikes Peak has an elevation of 4302 m. If a parcel of air at the top of Peaks Peak has a temperature of -17°C and a relative humidity of 85%. If the temperature in Denver (elevation 1609 m) is 18°C the layer of atmosphere between Denver and Pikes Peak is:

In a consumer society, many adults channel creativity into buying things

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A conditionally unstable atmosphere is with respect to unsaturated air and with respect to saturated air.