Assessing Climate Change Risk and Resilience in the Yukon
Table 1 summarizes the risk scores for for the most significant impacts related to Priority 1.
For more details about the scoring process, see Method on page 2.
Table 1
Summary of risk scores, Priority 1: Extreme weather and precipitation events that threaten
transportation infrastructure
No.
Impact
2
Wildfires threaten
INF FS
ركة
communities,
17
heritage values,
CH
AC CM
and infrastructure
16
14
15
Wildfire
LH
EH
HW
12
16
16
12
Warming winter
INF
FS
EN
conditions reduce
13
15
13
the availability of
CH
AC
CM
winter roads and
Snow, ice,
water
12
16
14
ice bridges
LH
EH
HW
13
12
14
31
Washouts and
INF FS
EN
landslides lead to
13
13
12
Moderate: more likely
than not to occur once
transportation
CH
AC
CM
service interrup-
Extreme
weather
11
13
12
tions or failures
LH
EH
HW
11
10
12
Risk score
(1-25) Likelihood x
Consequence
EN
11 15
Likelihood
based on a score from
very low to very high
High: more likely than
not to occur multiple
times per decade; may
occur annually
High: more likely than
not to occur multiple
times per decade; may
occur annually
per decade; may occur
multiple times per decade
•
Consequences
to values
• Supply chain
interruptions
• Interruptions in
access to essen-
tial services such
as health care and
social services
• Interruptions of
essential supplies
such as fresh food
and fuel
• Mental health
impacts from
isolation
•
·
• Higher food prices
due to supply chain
interruptions
Disruptions to local
business and tourism
Hindered repair
and maintenance of
power supply
33
Extreme
INF
FS
EN
High: more likely than
precipitation
17
16
15
not to occur multiple
events cause
CH
AC
CM
times per decade; may
damage
Snow, ice,
water
15
16
occur annually
16
LH
EH
HW
16
15
16
39
Range of
hazards
A range of
INF
FS
EN
High: more likely than
climate-related
14
17
15
not to occur multiple
factors disrupt
critical supply
chains
CH
AC
CM
times per decade; may
occur annually
9
18
16
LH
EH
HW
16
12
17
Legend:
The nine values: AC = Access CH = Culture and heritage CM = Community EH = Environmental Health
FS = Food security HW = Health and well-being INF = Infrastructure LH = livelihoods
Likelihood score: 1 = very low 2 = low 3 = moderate
Risk score
Low 0-4
Low 5-8
EN =
Energy
4 = high 5 = very high
Moderate 9-12
Moderate 13-15
High 16-20
High 21-25
PAGE 12
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