Archivo:Changes in radiative forcing of long-lived greenhouse gases between 1979-2012.png
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Resumen
| Descripción |
English: This graph shows changes in radiative forcing of long-lived greenhouse gases between 1979-2012. These gases are carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), chlorofluorocarbon-12 (CFC-12), CFC-11, and fifteen other minor, long-lived, halogenated gases. The 15 other halogenated gases are CFC-113, tetrachloromethane (CCl4), trichloromethane (CH3CCl3); hydrochlorofluorocarbons (HCFCs) 22, 141b and 142b; hydrofluorocarbons (HFCs) 134a, 152a, 23, 143a, and 125; sulfur hexafluoride (SF6), and halons 1211, 1301 and 2402). The graph does not include other forcings, such as aerosols and changes in solar activity.
Summary Total forcing in 1979 was 1.712 watts per square metre (W.m-2), and has steadily increased over time to 2.873 W.m-2 in 2012. Between 1979-2012, the largest contributors to radiative forcing have been CO2 and CH4. In 2012, the percentage contributions of each gas to total forcing was approximately:
Forcing data are briefly summarized below. All the data are available in a later section as comma-separated values. The first value is the year, followed by forcing values (in W.m-2) for CO2, CH4, N2O, CFC-12, CFC-11, the 15-minor halogenated gases, and total forcing, respectively:
References:
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| Fecha | |
| Fuente | Trabajo propio |
| Autor | Enescot |
Data
Data are in the public-domain and are taken from the cited source (Butler and Montzka, 2013). These data were exported from OpenOffice.org 3.4.1 Calc as comma separated values (csv). The following options were used:
- Character set: Western Europe 1252
- Field delimiter: ,
- Text delimiter: "
- Quote all text cells: no
- Save cell content as shown: yes
- Fixed column width: no
,,,,,,,,,,, ,,,,,,,,,,, ,,,,,,,,,,, ,Year,CO2,CH4,N2O,CFC12,CFC11,15-minor,Total,CO2-eq ppm,AGGI (1990 = 1),AGGI % change ,1979,1.027,0.419,0.104,0.092,0.039,0.031,1.712,383,0.786, ,1980,1.058,0.426,0.104,0.097,0.042,0.034,1.761,386,0.808,2.8 ,1981,1.077,0.433,0.107,0.102,0.044,0.036,1.799,389,0.826,2.2 ,1982,1.089,0.440,0.111,0.108,0.046,0.038,1.831,391,0.841,1.8 ,1983,1.115,0.443,0.113,0.113,0.048,0.041,1.873,395,0.860,2.2 ,1984,1.140,0.446,0.116,0.118,0.050,0.044,1.913,397,0.878,2.2 ,1985,1.162,0.451,0.118,0.123,0.053,0.047,1.953,401,0.897,2.1 ,1986,1.184,0.456,0.122,0.129,0.056,0.049,1.996,404,0.916,2.2 ,1987,1.211,0.460,0.120,0.135,0.059,0.053,2.039,407,0.936,2.2 ,1988,1.250,0.464,0.123,0.143,0.062,0.057,2.099,412,0.964,3.0 ,1989,1.274,0.468,0.126,0.149,0.064,0.061,2.144,415,0.984,2.1 ,1990,1.293,0.472,0.129,0.154,0.065,0.065,2.178,418,1.000,1.6 ,1991,1.313,0.476,0.131,0.158,0.067,0.069,2.213,420,1.016,1.6 ,1992,1.324,0.480,0.133,0.162,0.067,0.072,2.238,422,1.027,1.1 ,1993,1.334,0.481,0.134,0.164,0.068,0.074,2.254,424,1.035,0.7 ,1994,1.356,0.483,0.134,0.166,0.068,0.075,2.282,426,1.048,1.3 ,1995,1.383,0.485,0.136,0.168,0.067,0.077,2.317,429,1.064,1.5 ,1996,1.410,0.486,0.139,0.169,0.067,0.078,2.350,431,1.079,1.4 ,1997,1.426,0.487,0.142,0.171,0.067,0.079,2.372,433,1.089,0.9 ,1998,1.465,0.491,0.145,0.172,0.067,0.080,2.419,437,1.111,2.0 ,1999,1.495,0.494,0.148,0.173,0.066,0.082,2.458,440,1.128,1.6 ,2000,1.513,0.494,0.151,0.173,0.066,0.083,2.481,442,1.139,0.9 ,2001,1.535,0.494,0.153,0.174,0.065,0.085,2.506,444,1.150,1.0 ,2002,1.564,0.494,0.156,0.174,0.065,0.087,2.539,447,1.166,1.3 ,2003,1.601,0.496,0.158,0.174,0.064,0.088,2.580,450,1.185,1.6 ,2004,1.627,0.496,0.160,0.174,0.063,0.090,2.610,453,1.198,1.1 ,2005,1.655,0.495,0.162,0.173,0.063,0.092,2.640,455,1.212,1.2 ,2006,1.685,0.495,0.165,0.173,0.062,0.095,2.675,458,1.228,1.3 ,2007,1.710,0.498,0.167,0.172,0.062,0.097,2.706,461,1.242,1.1 ,2008,1.739,0.500,0.170,0.171,0.061,0.100,2.742,464,1.259,1.3 ,2009,1.760,0.502,0.172,0.171,0.061,0.103,2.768,466,1.271,1.0 ,2010,1.791,0.504,0.174,0.170,0.060,0.106,2.805,470,1.288,1.3 ,2011,1.818,0.505,0.178,0.169,0.060,0.109,2.838,473,1.303,1.2 ,2012,1.846,0.507,0.181,0.168,0.059,0.111,2.873,476,1.319,1.2
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| Fecha y hora | Miniatura | Dimensiones | Usuario | Comentario | |
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| actual | 08:41 29 sep 2013 | | 1371 × 786 (54 kB) | Enescot | {{Information |Description ={{en|1=This graph shows changes in radiative forcing of long-lived greenhouse gases between 1979-2012. These gases are carbon dioxide (CO<sub>2</sub>), [[:en:methane|methan... |
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