At a regional scale in the state of Oregon, dry climate conditions can be found on the east side of the Cascade mountain range as a result of the Rainshadow effect. At the local scale expressed in Figures 1-4 here for this exercise, however, large-scale topographic influences such as mountains and Rain shadows are less important for our understanding of vegetation differences than smaller-scale topographic influences such as slope and aspect. On what slopes, for example, would you expect to find the driest and wettest conditions on these local maps? How does the compass direction of these changes differ from the patterns of moisture differences at the regional scale?

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
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2. At a regional scale in the state of Oregon, dry climate conditions can be found on the east side of the
Cascade mountain range as a result of the Rainshadow effect. At the local scale expressed in Figures
1-4 here for this exercise, however, large-scale topographic influences such as mountains and Rain
shadows are less important for our understanding of vegetation differences than smaller-scale
topographic influences such as slope and aspect. On what slopes, for example, would you expect to
find the driest and wettest conditions on these local maps? How does the compass direction of
these changes differ from the patterns of moisture differences at the regional scale?
Transcribed Image Text:2. At a regional scale in the state of Oregon, dry climate conditions can be found on the east side of the Cascade mountain range as a result of the Rainshadow effect. At the local scale expressed in Figures 1-4 here for this exercise, however, large-scale topographic influences such as mountains and Rain shadows are less important for our understanding of vegetation differences than smaller-scale topographic influences such as slope and aspect. On what slopes, for example, would you expect to find the driest and wettest conditions on these local maps? How does the compass direction of these changes differ from the patterns of moisture differences at the regional scale?
4400
4800
5000
P
4600 4800
Ponderosa pine
Grand fir-douglas fir
Meadow
Grassland
Western juniper
4600
5000
N
+[1
1/4 mile
4200
4400
4600
4800
5000
Vegetation map from Franklin and Dryness, Federal Research Natural Areas in
Transcribed Image Text:4400 4800 5000 P 4600 4800 Ponderosa pine Grand fir-douglas fir Meadow Grassland Western juniper 4600 5000 N +[1 1/4 mile 4200 4400 4600 4800 5000 Vegetation map from Franklin and Dryness, Federal Research Natural Areas in
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