IPCC 4

Summary for Policymakers

2007.12

IPCC Summary for Policymaker .

IPCC( ) 4

8 IPCC ( , 2007.4.2~5) ,

, ,

IPCC .

:

Neil Adger, Pramod Aggarwal, Shardul Agrawala, Joseph Alcamo, Abdelkader Allali, Oleg Anisimov,

Nigel Arnell, Michel Boko, Osvaldo Canziani, Timothy Carter, Gino Casassa, Ulisses Confalonieri, Rex

Victor Cruz, Edmundo de Alba Alcaraz, William Easterling, Christopher Field, Andreas Fischlin, Blair

Fitzharris, Carlos Gay Garca, Clair Hanson, Hideo Harasawa, Kevin Hennessy, Saleemul Huq, Roger

Jones, Lucka Kajfe Bogataj, David Karoly, Richard Klein, Zbigniew Kundzewicz, Murari Lal, Rodel

Lasco, Geoff Love, Xianfu Lu, Graciela Magrn, Luis Jos Mata, Roger McLean, Bettina Menne, Guy

Midgley, Nobuo Mimura, Monirul Qader Mirza, Jos Moreno, Linda Mortsch, Isabelle Niang-Diop,

Robert Nicholls, Ba Novky, Leonard Nurse, Anthony Nyong, Michael Oppenheimer, Jean Palutikof,

Martin Parry, Anand Patwardhan, Patricia Romero Lankao, Cynthia Rosenzweig, Stephen Schneider,

Serguei Semenov, Joel Smith, John Stone, Jean-Pascal van Ypersele, David Vaughan, Coleen Vogel,

Thomas Wilbanks, Poh Poh Wong, Shaohong Wu, Gary Yohe

.

IPCC, 2007: Summary for Policymakers. In: Climate Change 2007: Impacts, Adaptation and

Vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the

Intergovernmental Panel on Climate Change, M.L. Parry, O.F. Canziani, J.P. Palutikof, P.J. van der

Linden and C.E. Hanson, Eds., Cambridge University Press, Cambridge, UK, 7-22.

()

1

IPCC(International Panel on Climate

Change) (Working Group) 4

(the fourth Assessment)

.

1

, IPCC

3 .

.2

4 ,

.

1970

. 2001 3 ,

() .

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.

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3

.

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1980

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1 Endbox 2 2 [] . ) [3.3] 3 3 . F=Figure, T=Table, B=Box, ES=Executive Summary

3 Endbox 2 4 4 5 ( )

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2

1750

( pH0.1 , IPCC

4 ),

[1.3].

1970 ,

.6

5

4 .

1. 4 20

.

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89% ,

( SPM.1).[1.4].

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[1.4].

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.

.

.

[1.3].

.

[1.3].

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[1.3].

6 Endbox 2 .7 29,000 577 80,000 . : (1) 1990 ; (2) 20

; (3)

()

3

SPM.1. ( , , (); ()) ( , ,

) 1970-2004

. 29,000 577 80,000 .

(1) 1990 (2) 20 (3)

. 75 ( 70 3 .)

29,000 28,000 .

. 22 box ( )

( / ) ( ) : (i) : (NAM), (LA), (EUR),

(AFR), (AS), (ANZ), (PR) (ii) : (TER), (MFW), (GLO). 7

(NAM,...,PR) MFW (PR ) GLO .

.[Working Group Fourth Assessment F1.8, F1.9; Working Group Fourth Assessment F3.9b].

1970-2004

()

4

8 9

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21

() 10-40%

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SPM-2, Working Group Fourth Assessment 3.4]

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( 1/6 )

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21

11

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1.5-2.5

,

,

()

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8 : , , 9 1980-1999 . 1850-1899 , 0.5 .10 (section) 3 : D-3 , N-3 : ***-very high confidence( ), **-high confidence( ), *-medium confidence()11

()

5

,

1-3 ,

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1-3

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2080

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2020 , 7 5 2 5

.

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.

.

.

2020

50% .**N[9.2, 9.4, 9.6]

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21

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GDP 5-10%

.

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,

20-30 ()

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IPCC 3 , (

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IPCC SRES

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1~4

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fourth Assessment 6.4, 10.7; Working Group

fourth Assessment 19.3].

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MOC(Meridional Overturning Circulation,

) 21

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Working Group fourth Assessment 12.6, 19.3].

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12 )

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1 10 (

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( 1 95 )

[20.6].

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1% .d 2100 [ I 4 10.6].

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16.5, 11.5].

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(1980~1999

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IPCC 3

,

13 (Technical Summary)

()

14

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IPCC SRES(

) .

( 3)[2.4]

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[2.4].

,

,

A2-type (

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SRES [T20.6].

[T.6.6].

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,

.

[3-8 7 , 20.3, 20.7].

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[2.4, T20.6].

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3

. II 4

,

(

TS-6 ).

14 (Sustainable Development) The Brundtland Commission : development that meets the needs of the present without compromising the ability of future generations to meet their own needs". the IPCC Working Group II Third Assessment and Third Assessment Synthesis Report

()

15

Endbox1.

IPCC

.

.

(

) .

,

. , ,

.

Endbox2. II 4

IPCC 4 .

.

< >

[Very high confidence]

[High confidence]

[Medium confidence]

[Low confidence]

[Very low confidence]

< >

10 9

10 8

10 5

10 2

10 1

,

. .

< >

[Virtually certain]

[Very likely]

[Likely]

[About as likely as not]

[Unlikely]

[Very unlikely]

[Exceptionally unlikely]

< >

>99%

90 ~ 99%

66 ~ 90%

33 ~66

10 ~ 33%

1 ~ 10%

()

16

Endbox3. IPCC SRES( )

A1. A1 21 ,

. , 1 . A1

. A1

. : (A1F1), () (A1T), (A1B)(

,

.)

A2. A2 . .

.

1 .

B1. B1 A1 21 ,

. ,

, , .

B2. B2 , , . A2

, , B1, A1

. , .

6 A1B, A1F1, A1T, A2, B1 B2

.

SRES , UNFCCC

.

()

17

Contribution of Working Group to the Fourth Assessment Report of

the Intergovernmental Panel on Climate ChangeSummary for Policymaker

: http://www.ipcc.ch (IPCC )