ANN−10
−5
0
5
10
15
20
delta w (%
)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17C
h
a
n
g
e
i
n
g
e
o
s
t
r
o
p
h
i
c
w
i
n
d
s
p
e
e
d
(
%
)
Change in wind over the Baltic Sea in 70 years time at the time of CO2-doubling
Chen and Aschberger, 2006
17
CM
IP
G
CM
s
A need for regional ensemble simulations
head2right Changes are uncertain
head2right Size and sometimes even sign
/media/ces/Kjellstrom_Erik_CES_2010.pdf
26.8.2011Adriaan Perrels/IL 6
Review of climate change effects in built-up areas (1)
Source:
IPCC 4AR_2
Source: IPCC 4AR_2
26.8.2011Adriaan Perrels/IL 7
Source: IPCC 4AR_2
Review of climate change effects in built-up areas (2)
26.8.2011Adriaan Perrels/IL 8
Cost-benefit analysis – the basics 1
• CBA:
• assess for the estimated lifetime of a project the annual expenditures
(investment funding cost
/media/loftslag/Perrels-CBA.pdf