alt (km) 0 1000 2000 3000 4000 5000 6000 7000 8000 DALR= 15 ELR= 15C/1000m 15 8000 7000 6000 5000 4000 3000 2000 1000 0 -55 -45 -35 -25 -15 -5 5 15 Lifting Example 1 In the table on the left you are to write in the DALR (it is a fixed rate, always the same - look it up in the lecture slides or textbook) and calculate the new temperature for an air parcel as it lifts into the atmosphere: write the new temperature in the DALR column for each 1000 meters rise. In the next column, you are told that the ELR, Environmental Lapse Rate, is 15C per 1000 m rise - so at Om temperature is 15C, and at 1000m temp is 15-15=0C, and at 2000m temp is 0-15 = -15C and so on. Enter those numbers. Next, draw one line for the DALR and one line for the ELR on the "graph paper" to the right of the diagram. Assume that the 1000m elevation line is the one just above the 1000 label, and assume that 15C is the vertical temperature line immediately to the right of the 15 label. Both lines will start in the bottom right of the diagram, at Om and 15C. Label each line correctly: DALR and ELR. Is this a stable situation, in which the air parcel will only rise if it is forced to, or an unstable situation in which case it will rise on its own? Upload your answer sheet!
alt (km) 0 1000 2000 3000 4000 5000 6000 7000 8000 DALR= 15 ELR= 15C/1000m 15 8000 7000 6000 5000 4000 3000 2000 1000 0 -55 -45 -35 -25 -15 -5 5 15 Lifting Example 1 In the table on the left you are to write in the DALR (it is a fixed rate, always the same - look it up in the lecture slides or textbook) and calculate the new temperature for an air parcel as it lifts into the atmosphere: write the new temperature in the DALR column for each 1000 meters rise. In the next column, you are told that the ELR, Environmental Lapse Rate, is 15C per 1000 m rise - so at Om temperature is 15C, and at 1000m temp is 15-15=0C, and at 2000m temp is 0-15 = -15C and so on. Enter those numbers. Next, draw one line for the DALR and one line for the ELR on the "graph paper" to the right of the diagram. Assume that the 1000m elevation line is the one just above the 1000 label, and assume that 15C is the vertical temperature line immediately to the right of the 15 label. Both lines will start in the bottom right of the diagram, at Om and 15C. Label each line correctly: DALR and ELR. Is this a stable situation, in which the air parcel will only rise if it is forced to, or an unstable situation in which case it will rise on its own? Upload your answer sheet!
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
Transcribed Image Text:alt (km)
0
1000
2000
3000
4000
5000
6000
7000
8000
DALR=
15
ELR=
15C/1000m
15
8000
7000
6000
5000
4000
3000
2000
1000
0
-55
-45
-35 -25 -15
-5
5
Сл
Lifting Example 1
In the table on the left you are to write in the DALR (it is a fixed rate, always the same - look it up in the
lecture slides or textbook) and calculate the new temperature for an air parcel as it lifts into the
atmosphere: write the new temperature in the DALR column for each 1000 meters rise. In the next
column, you are told that the ELR, Environmental Lapse Rate, is 15C per 1000 m rise - so at Om
temperature is 15C, and at 1000m temp is 15-15 = OC, and at 2000m temp is 0-15 = -15C and so on.
Enter those numbers.
Next, draw one line for the DALR and one line for the ELR on the "graph paper" to the right of the
diagram. Assume that the 1000m elevation line is the one just above the 1000 label, and assume that
15C is the vertical temperature line immediately to the right of the 15 label. Both lines will start in the
bottom right of the diagram, at Om and 15C.
Label each line correctly: DALR and ELR. Is this a stable situation, in which the air parcel will only rise if
it is forced to, or an unstable situation in which case it will rise on its own? Upload your answer sheet!
15
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