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21¼¼±â¸» ±â¿ÂÀº ÃÖ´ë 6.4¡É, Çؼö¸éÀº 59cm ³ô¾ÆÁ®

Áö±Ý°ú °°ÀÌ È­¼®¿¬·á¿¡ ÀÇÁ¸ÇÑ Àΰ£ È°µ¿ÀÌ Áö¼ÓµÈ´Ù¸é 21¼¼±â¸»(2090¢¦2099³â)¿¡ Áö±¸ÀÇ Æò±Õ±â¿ÂÀº ÃÖ´ë 6.4¡É »ó½ÂÇÏ°í, Çؼö¸éÀº 59cm »ó½ÂÇÒ °ÍÀ¸·Î Àü¸ÁÇß´Ù. ±×·¯³ª »çȸ ȯ°æÀÌ ÀÚ¿¬ ģȭÀûÀ¸·Î ¹Ù²ï´Ù¸é Æò±Õ±â¿ÂÀº 1.1¡É, Çؼö¸é »ó½ÂÀº 18cmÁ¤µµ·Î ¿ÏÈ­½Ãų ¼ö ÀÖÀ» °ÍÀ¸·Î Àü¸ÁÇÏ¿´´Ù.

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±âÈĺ¯È­¿¡ ´ëÇÑ ÃÖ±ÙÀÇ ºÐ¼®°ú 21¼¼±â ±âÈÄ¿¡ ´ëÇÑ Àü¸ÁÀ» ´ãÀº À̹ø º¸°í¼­´Â Áö±¸¿Â³­È­·Î ÀÎÇØ Áö³­ 100³â°£(1906¢¦2005³â) Áö±¸ÀÇ Æò±Õ±â¿ÂÀÌ 0.74(0.56¢¦0.92)¡É ¿Ã¶úÀ¸¸ç, ƯÈ÷ 1850³â °üÃø ÀÌ·¡ °¡Àå µû¶æÇß´ø 12¹ø Áß 11¹øÀÌ ÃÖ±Ù 12³â µ¿¾È¿¡ ¹ß»ýÇÏ´Â µî Áö±¸¿Â³­È­°¡ °¡¼ÓÈ­µÇ°í ÀÖ´Ù°í ºÐ¼®Çß´Ù.

ÀÌ º¸°í¼­´Â ¶ÇÇÑ ºÏ±Ø ºùÇÏ°¡ 21¼¼±â¸»¿¡ ¿ÏÀüÈ÷ ³ì¾Æ ¾ø¾îÁú °ÍÀ¸·Î ¿¹»óÇÏ°í ÀÖ°í, Æø¿°°ú ÁýÁßÈ£¿ì µîÀº °è¼ÓÀûÀ¸·Î ºó¹ßÇÒ °¡´É¼ºÀÌ ³ôÀ» °ÍÀ¸·Î ³»´ÙºÃ´Ù. ÀÌ¿Í ÇÔ²² ÅÂdz°ú Ç㸮ÄÉÀÎ °°Àº ¿­´ëÆødzÀº ¿­´ë Çؼö¸é¿Âµµ »ó½Â°ú ´õºÒ¾î ±× À§·ÂÀº °­È­µÉ °ÍÀ¸·Î Àü¸ÁÇÏ°í ÀÖ´Ù.

ÇÑÆí IPCC´Â 1990³â ÀÌ·¡ ¸Å 5~6³â °£°ÝÀ¸·Î Áö±Ý±îÁö 3Â÷ÀÇ ±âÈĺ¯È­ Æò°¡º¸°í¼­¸¦ ¹ß°£Çß´Ù. À̹ø º¸°í¼­´Â ¿ÃÇØ ¸» Á¦ 27Â÷ IPCCÃÑȸ(11¿ù ¿¹Á¤)¿¡¼­ ÃÖÁ¾ ½ÂÀÎµÇ¾î ¹ßÇ¥µÉ Á¦ 4Â÷º¸°í¼­ÀÇ ÀϺημ­ 3°³ÀÇ º¸°í¼­ ÀÛ¼º ½Ç¹«±×·ì Áß ±âÈĺ¯È­ÀÇ °úÇко߸¦ ´ã´çÇÏ´Â ±×·ì¿¡¼­ ÀÛ¼ºµÈ °ÍÀ¸·Î ±âÈĺ¯È­¿¡ ´ëÇÑ °úÇÐÀû ±Ù°Å¸¦ ´ã´çÇÏ°í ÀÖ´Ù. ÀÌ º¸°í¼­´Â ±ÝÀÏ ÇÁ¶û½º Æĸ®¿¡¼­(2007.2.2.) ½ÂÀεƴÙ.

IPCC Á¦4Â÷ Æò°¡º¸°í¼­ ±âÈĺ¯È­°úÇÐ ºÐ¾ß ¿ä¾à

-Climate Change 2007: The Physical Science Report-

¡à ÇöȲ

¡Û ±âÈĺ¯È­¿¡ °üÇÑ Á¤ºÎ°£ÇùÀÇü(IPCC)¿¡¼­´Â 1990³â ÀÌ·¡ ¸Å 5~6³â °£°ÝÀ¸·Î ±âÈĺ¯È­ Æò°¡º¸°í¼­¸¦ ¹ß°£ÇÏ°í ÀÖÀ½

- Á¦1Â÷(1990³â), Á¦2Â÷(1995³â), Á¦3Â÷(2001³â), Á¦4Â÷(2007³â ¿¹Á¤)

- Á¦1Â÷(1990³â), Á¦2Â÷(1995³â), Á¦3Â÷(2001³â), Á¦4Â÷(2007³â ¿¹Á¤)

¡Ø IPCC(Intergovernmental Panel on Climate Change)´Â 1988³â ¼¼°è±â»ó±â±¸(WMO)¿Í ±¹Á¦¿¬ÇÕ È¯°æÇÁ·Î±×·¥(UNEP)ÀÌ °øµ¿À¸·Î ±âÈĺ¯È­ ¹®Á¦¿¡ ´ëóÇÏ°íÀÚ ¼³¸³ÇÔ

¡Û IPCC Á¦4Â÷ Æò°¡º¸°í¼­´Â ¾à 6³â°£¿¡ °ÉÃÄ 130¿© °³±¹¿¡¼­ ¾à 2,500¸íÀÇ °úÇÐÀÚ°¡ Âü¿©ÇÏ¿´À¸¸ç, ±âÈĺ¯È­°úÇÐ ºÐ¾ß(WG1)´Â Á¦10Â÷ WG1 ȸÀÇ(‘07.1.29.¢¦2.1, Æĸ®)¿¡¼­¡¸Á¤Ã¥°áÁ¤ÀÚ¸¦ À§ÇÑ ¿ä¾àº»(SPM)¡¹ÀÌ ½ÂÀεÊ

¡Ø (1) IPCC´Â ½Ç¹«±×·ì1(±âÈĺ¯È­°úÇÐ ºÐ¾ß), ½Ç¹«±×·ì2(ÀûÀÀ?¿µÇâ, Ãë¾à¼º ºÐ¾ß), ½Ç¹«±×·ì3(¹èÃâ·® ¿ÏÈ­ ºÐ¾ß)À¸·Î ±¸ºÐµÇ¾î ÀÖÀ½. (WG: Working Group)

(2) SPM: Summary for Policymakers

¡à ÁÖ¿ä³»¿ë °ñÀÚ

¡Û ¿Â½Ç°¡½º´Â È­¼®¿¬·á, ³ó¾÷, ÅäÁö ÀÌ¿ëÀÇ ¿µÇâÀ¸·Î ±× ³óµµ°¡ ³ô¾ÆÁü

- CO2 ³óµµ´Â »ê¾÷Çõ¸í ÀÌÀü¿¡ 280 ppmÀ̾úÀ¸³ª 2005³â¿¡´Â 379 ppmÀ¸·Î Áõ°¡

- ÃÖ±Ù 6³â°£(‘00¢¦‘05)ÀÇ CO2 Æò±Õ ¹èÃâ·®Àº ’90³â´ë¿¡ ºñÇØ ¾à 12% Áõ°¡

¡Ø (1) È­¼®¿¬·á¿¡ ÀÇÇÑ CO2 ¹èÃâ·®: 6.4(1990³â´ë)→ 7.2 GtC/yr(2000¢¦2005³â)

(2) 1995¢¦2005³â CO2 Áõ°¡À²: 1.9 ppm/yr

¡Û 1750³â ÀÌÈÄ, Àΰ£ È°µ¿¿¡ ÀÇÇÑ Àü Áö±¸Àû Æò±Õ º¹»ç°­Á¦·ÂÀº +1.6(0.6~2.4)W/m2ÀÓ

- CO2 º¹»ç°­Á¦·ÂÀº Áö³­ 10³â(1995¢¦2005³â)µ¿¾È¿¡ 20% Áõ°¡

- CO2, CH4, N2OÀÇ Áõ°¡·Î ÀÎÇÑ ÃÑ º¹»ç°­Á¦·ÂÀº +2.30(2.07~2.53)W/m2

¡Ø CO2: +1.66(1.49¢¦1.83)W/m2, CH4: +0.48(0.43¢¦0.53)W/m2, N2O: +0.16(0.14¢¦0.18)W/m2

¡Û ÇöÀç, ±â¿Â°ú ÇØ¾ç ¿ÂµµÀÇ Áõ°¡, ºùÇÏÀÇ À¶ÇØ, Çؼö¸é »ó½ÂÀº ¸íÈ®ÇÔ

- 1850³â ÀÌ·¡, 12¹øÀÌ µû¶æÇÏ¿´À¸¸ç, ÀÌÁß¿¡¼­ 11¹øÀÌ ÃÖ±Ù 12³â ³»¿¡ ±â·ÏµÊ

¡Ø Áö³­ 100³â(1906¢¦2005³â)°£ Àü Áö±¸Æò±Õ¿Âµµ´Â 0.74(0.56¢¦0.92)¡É »ó½ÂÇÔ

- 1961¢¦2003³âÀÇ Àü Áö±¸ Çؼö¸é »ó½Â·üÀº 1.8(1.3¢¦2.3) mm/yrÀÓ

- À§¼ºÀÚ·á¿¡ ÀÇÇϸé(1978³â ÀÌÈÄ), ±ØÁö¹æ ¾óÀ½Àº 2.7(2.1¢¦3.3)% /10³â °¨¼ÒÇÔ(¿©¸§Ã¶¿¡´Â 7.4(5.0¢¦9.8)%/10³â °¨¼Ò)

- Àå±â°£(1900-2000³â) °üÃø °á°ú, °­¼ö·® Áõ°¡ Áö¿ªÀº ºÏ·³²¹ÌÀÇ µ¿ÂÊÁö¿ª, ºÏÀ¯·´, ºÏ·Á߾ƽþÆÁö¿ªÀ̸ç, °ÇÁ¶Áö¿ªÀº »çÇï, ÁöÁßÇØ, ³²¾ÆÇÁ¸®Ä«, ³²¾Æ½Ã¾Æ ÀϺÎÀÓ

¡Û È­¼®¿¬·á¿¡ ÀÇÁ¸ÇÑ ´ë·®¼ÒºñÇüÀÇ »çȸ°¡ °è¼ÓµÈ´Ù¸é, 1980¢¦1999³â¿¡ ºñÇÏ¿© ±Ý¼¼±â¸»(2090¢¦2099³â)ÀÇ Áö±¸ Æò±Õ±â¿ÂÀº ÃÖ´ë 6.4¡É, Çؼö¸éÀº 59cm »ó½ÂÇÑ´Ù°í Àü¸Á

¡Ø ȯ°æ ģȭÀûÀ¸·Î À¯ÁöµÇ¸é, ±Ý¼¼±â¸»¿¡ ±â¿ÂÀº 1.1¡É, Çؼö¸éÀº 18cm »ó½Â Àü¸Á

[Âü°íÀÚ·á]

FIGURE SPM-1.

Atmospheric concentrations of carbon dioxide, methane and nitrous oxide over the last 10,000 years (large panels) and since 1750 (inset panels). Measurements are shown from ice cores (symbols with different colours for different studies) and atmospheric samples (red lines). The corresponding radiative forcings are shown on the right hand axes of the large panels.

   
 
  ±×¸² 1. ÁÖ¿ä ¿Â½Ç°¡½ºÀÇ ³óµµº¯È­ °æÇâ  
 
FIGURE SPM-2. Global-average radiative forcing (RF) estimates and ranges in 2005 for anthropogenic carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and other important agents and mechanisms, together with the typical geographical extent (spatial scale) of the forcing and the assessed level of scientific understanding (LOSU). The net anthropogenic radiative forcing and its range are also shown. These require summing asummetric uncertainty estimates from the component terms, and cannot be obtained by simple addition. Additional forcing factors not included here are considered to have a very low LOSU. Volcanic aerosols contribute an additional natural forcing but are not included in this figure due to their episodic nature. Range for linear contrails does not include other possible effects of aviation on cloudiness.

   
 
  ±×¸² 2. ¿Â½Ç°¡½º, ¿¡¾î·¯¼Ö µîÀÇ º¹»ç°­Á¦·Â  
 
FIGURE SPM-3. Observed changes in (a) global average surface temperature; (b) global average sea level rise from tide gauge (blue) and satellite (red) data and (c) Northern Hemisphere snow cover for March-April9 All changes are relative to corresponding averages for the period 1961-1990. Smoothed curves represent decadal averaged values while circles show yearly values. The shaded areas are uncertainty intervals estimated from a comprehensive analysis of known uncertainties (a and b) and from time series (c).

   
 
  ±×¸² 3. À§¼º°ú °üÃø±â¿¡ ÀÇÇÑ ±â¿Â, Çؼö¸é ¹× Àû¼³  
 
FIGURE SPM-4. Comparisons of observed continental- and global-scale changes in surface temperature with results simulated by climate models using natural and anthropogenic forcings, Decadal averages of observations shown for the period of 19062005 (black line) plotted against the centre of the decade and , relative to the corresponding average for 19011950 . Lines are dashed where spatial coverage is less than 50%. Blue shaded bands show the 595% range for 19 simulations from 5 climate models using only by natural forcings due to solar activity and volcanoes. Red shaded bands show the 595% range for 58 simulations from 14 climate models using both natural and anthropogenic forcings

   
 
  ±×¸² 4. 1906¢¦2005³â°£ÀÇ Áö±¸ ¶Ç´Â ´ë·ú±Ô¸ðÀÇ ±â¿Â º¯È­  
 
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1) IPCC: Intergovernmental Panel on Climate Change(1988³â ¼¼°è±â»ó±â±¸¿Í À¯¿£È¯°æ°èȹÀÌ °øµ¿ ¼³¸³)



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