Gr 12 T1 : Valley Climate

Study FIGURE 1.3 on valley climates and answer the questions that follow.

Q - Name wind 1 in sketch A.

Wind 1 occurs during the day while 2 occurs at night. State if the following statement is true or false.

• True

• False

Study FIGURE 1.3 on valley climates and answer the questions that follow.

Q - Which wind (wind 1 or wind 2) would originate if a higher pressure occurred at the top of the valley slope?

• Wind 1

• Wind 2

Refer to FIGURE 2.1 which shows air movement in a valley.

Q - The valley wind labelled A is a/an (katabatic/anabatic) wind.

• Katabatic

• Anabatic

Refer to FIGURE 2.1 which shows air movement in a valley.

Q - This wind occurs during the (day/night) in valleys

• Day

• Night

Refer to FIGURE 2.1 which shows air movement in a valley.

Q - The wind is also referred to as a/an (upslope/downslope) wind.

• Upslope

• Downslope

Refer to FIGURE 2.1 which shows air movement in a valley.

The zone labelled B is the (thermal belt/frost pocket).

• Thermal belt

• Frost pocket

Refer to FIGURE 2.1 which shows air movement in a valley.

Q - The form of precipitation experienced at C is (frost/snow).

• Snow

• Frost