2 deg map to go here

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NI IHEEM May 2014
Climate Change
Alex Hill, Chief Advisor’s Office
Alex.hill@metoffice.gov.uk
© Crown copyright Met Office
From the Global to the Local
• Global
• AR5 & IPCC
• Attribution
• Local
• Understanding Means &
Extremes
• Examples
© Crown copyright Met Office
From the Global to the Local
www.emeraldinsight.com
© Crown copyright Met Office
Global WG2 AR5 Risk
Global WG2 AR5
© Crown copyright Met Office
Global WG2 AR5
Emissions cuts
make little
difference for
next few
decades
Ongoing increases in
global greenhouse gas
emissions
If global emissions peak
within next few years then
decline
Representative
Concentration
Pathways
Key risks Global WG2 AR5
AR5 Major Crops
© Crown copyright Met Office
Health impacts
• Up to 2050’s
Exacerbation
• VH Confidence
• Towards 2100 Increase in ill-health
especially in developing
regions
•high confidence.
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2ºC rise Links & Consequences
Change in temperature from pre-industrial climate
0
More
heatwaves
Some risk
of melting
ice
Ocean
Acidification
Forest
fire
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Some
increased
crops
2 deg map to go
here
1
2
3
4
5
Reduced
crops
Forest
fire
Current City population • 3-10 million • 10-20 million
6
7
8
9
4ºC rise Links & Consequences
Change in temperature from pre-industrial climate
1
2
3
Ocean
Acidification
Rainforest
loss
© Crown copyright Met Office
5
6
7
8
9
10 11 12 13 14 15 16
Methane
release
Melting
ice
More
heatwaves
4
Increased
drought
Forest
fire
Reduced
crops
Stronger
tropical
storms
Current City population • 3-10 million • 10-20 million
Understanding the local
© Crown copyright Met Office
(Defra project code
GA0204)
A climate change risk
assessment for
Northern Ireland
January
2012
Contractors: HR Wallingford AMEC Environment & Infrastructure UK Ltd
The Met Office Collingwood Environmental Planning
Alexander Ballard Ltd Paul Watkiss Associates Metroeconomica
© Crown copyright Met Office
IMPACT

Effect
 Summer Temperatures
 Winter Temperatures
Impact bio-physical systems
 Terrestrial environment
 Coastal and marine
environments
Risk assessment
 Winter Rainfall
 Summer Rainfall
 Sea Level
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 Natural environment
 Agriculture and forestry
 Business
 Buildings and
infrastructure
 Health and wellbeing
UKCP09
Three different
emission scenarios
Seven different
timeframes
25km grid, 16 admin
regions, 23 river-basins
and 9 marine regions
© Crown copyright Met Office
Increase in probability of
extremes in a warmer climate
• Temperature
Temperature in
now
future
New
average
Probability of
occurrence
More hot
extremes
Fewer
cold
extremes
Hot
temperature
extremes
Cold
temperature
extremes
Cold
threshold
© Crown copyright Met Office Slide by Erika
Average
More
record
hot
extremes
Hot
threshold
(After IPCC 2007 & Karl et al. 2008)
Warmest day
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2 deg c
Ave
Europe Temp anomaly (wrt 1961-90) °C
Perspective - The Future
© Crown copyright Met Office
2060s
observations
Met Office Projections
2003
2040s
Heatwaves
Peaks in death rate
coincides with peaks
in temperatures
2000 extra deaths
in the UK
1,800
40
1,700
35
1,600
30
C
o
1,400
25
1,300
20
1,200
1,100
Average daily
deaths 1998-2002
Average
daily deaths
15
ONS Estimated daily deaths 2003
1,000
Daily deaths 2003
Maximum temperature (London)
10
Maximum temperature
(London)
900
800
01-Jul
© Crown copyright Met Office
5
08-Jul
15-Jul
22-Jul
29-Jul
05-Aug
12-Aug
19-Aug
26-Aug
temperature
no. of deaths
1,500
Adapting now, mitigating for
the future?
Mitigation
Adaptation
IPCC 20C
CRC
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Some Output Winter Rain
2040s
© Crown copyright Met Office
Some Output Winter Rain
2080s
© Crown copyright Met Office
Sea Level Rise
© Crown copyright Met Office
Adapt now, mitigate for the
future
Impact bio-physical systems
 Terrestrial environment
 Coastal and marine environments
Risk assessment
 Natural environment
 Agriculture and forestry
 Business
 Buildings and infrastructure
 Health and wellbeing
© Crown copyright Met Office
© Crown copyright Met Office
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