Preface |
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ix | |
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xv | |
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xxi | |
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List of abbreviations and acronyms |
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xxiii | |
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1 Life and climate in an ice age |
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1 | (16) |
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1.1 Continental climates during the Ice Age |
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1 | (7) |
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1.2 The glacial world---according to Wally Broecker |
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8 | (2) |
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10 | (1) |
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1.4 The Last Glacial Maximum (LGM) |
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11 | (6) |
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2 Variability of the Earth's climate |
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17 | (88) |
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2.1 Factors that influence global climate |
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17 | (4) |
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2.2 Stable extremes of the Earth's climate |
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21 | (5) |
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2.3 The relation between ancient climates and CO2 concentration |
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26 | (58) |
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26 | (2) |
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28 | (8) |
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2.3.3 The transition from the Last Glacial Maximum (LGM) to the pre-industrial era |
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36 | (13) |
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2.3.4 The Early Pliocene: 3 to 5 million years ago |
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49 | (2) |
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2.3.5 The past 20 million years or so |
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51 | (7) |
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2.3.6 Initiation of Antarctic glaciation 34-33 million years ago |
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58 | (2) |
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2.3.7 Peak warming around 40 million years ago |
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60 | (1) |
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2.3.8 60 to 40 million years ago |
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61 | (5) |
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2.3.9 100 to 300 million years ago |
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66 | (1) |
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2.3.10 Estimates of climate sensitivity based on CO2 and climate in the Phanerozoic |
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66 | (18) |
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2.4 Continental drift and continental geometry as a factor in paleo-climate change |
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84 | (11) |
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2.4.1 Effects of continental geometry |
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84 | (4) |
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2.4.2 Evolution of glaciation near the South Pole ~ 34MYBP |
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88 | (2) |
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2.4.3 Effect of the Isthmus of Panama on NH glaciation in the past 2,700,000 years |
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90 | (5) |
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2.5 Ice ages in the recent geological past |
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95 | (2) |
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2.6 Geological evidence of ice ages |
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97 | (8) |
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105 | (32) |
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3.1 History of ice core research |
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105 | (6) |
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111 | (16) |
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111 | (1) |
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112 | (1) |
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3.2.3 Counting layers visually |
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113 | (3) |
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3.2.4 Layers determined by measurement |
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116 | (4) |
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120 | (2) |
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3.2.6 Other dating methods |
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122 | (1) |
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3.2.7 Synchronizing the dating of ice cores from Greenland and Antarctica |
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123 | (1) |
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123 | (2) |
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125 | (1) |
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125 | (2) |
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3.3 Processing ice core data |
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127 | (10) |
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3.3.1 Temperature estimates from ice cores |
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127 | (8) |
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135 | (1) |
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135 | (2) |
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137 | (34) |
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4.1 Greenland ice core historical temperatures |
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137 | (5) |
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4.2 Antarctica ice core historical temperatures |
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142 | (5) |
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4.2.1 Vostok and EPICA data |
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142 | (2) |
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4.2.2 Homogeneity of Antarctic ice cores |
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144 | (3) |
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4.3 North-south synchrony |
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147 | (6) |
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4.3.1 Direct comparison of Greenland and Antarctica ice core records |
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147 | (3) |
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4.3.2 Interpretation in terms of ocean circulation |
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150 | (1) |
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4.3.3 Seasonal variability of precipitation |
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151 | (1) |
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4.3.4 Worldwide effects of changes originating in the NH |
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152 | (1) |
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153 | (4) |
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4.5 Data from high-elevation ice cores |
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157 | (1) |
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158 | (9) |
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4.7 Sudden climate changes |
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167 | (4) |
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171 | (20) |
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171 | (5) |
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176 | (5) |
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5.3 Universality of ocean sediment data |
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181 | (1) |
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5.4 Summary of ocean sediment ice volume data |
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182 | (2) |
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5.5 Ocean sediment data and polar ice core data compared |
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184 | (3) |
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5.6 Historical sea surface temperatures |
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187 | (1) |
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188 | (3) |
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191 | (18) |
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191 | (7) |
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191 | (1) |
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6.1.2 Devil's Hole data and ocean sediment data compared |
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192 | (2) |
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6.1.3 Devil's Hole: Global or regional data? |
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194 | (1) |
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6.1.4 Devil's Hole data and Vostok data compared |
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195 | (3) |
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198 | (1) |
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6.3 Magnetism in rocks and loess |
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199 | (1) |
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199 | (1) |
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6.3.2 Rock magnetism in lake sediments |
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200 | (1) |
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200 | (2) |
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202 | (4) |
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202 | (1) |
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202 | (3) |
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205 | (1) |
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206 | (1) |
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6.7 Influence of dust and iron |
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207 | (2) |
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7 Summary of climate variations |
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209 | (6) |
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8 Overview of the various models for ice ages in the recent past (3MYBP to present) |
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215 | (32) |
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216 | (1) |
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8.2 Variability of the Sun |
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217 | (1) |
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8.3 The astronomical theory |
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218 | (1) |
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219 | (4) |
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223 | (1) |
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223 | (13) |
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8.6.1 Glacial-interglacial cycles: the consensus view |
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224 | (4) |
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8.6.2 Sudden climate change: the consensus view |
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228 | (3) |
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8.6.3 Wunsch's objections |
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231 | (5) |
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8.7 Models based on clouds |
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236 | (8) |
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8.7.1 Extraterrestrial dust accretion |
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238 | (1) |
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8.7.2 Clouds induced by cosmic rays |
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239 | (3) |
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8.7.3 Ocean-atmosphere model |
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242 | (2) |
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8.8 Models based on the Southern Hemisphere |
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244 | (3) |
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9 Variability of the Earth's orbit: The astronomical theory |
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247 | (34) |
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247 | (3) |
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9.2 Variability of the Earth's orbit |
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250 | (4) |
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9.2.1 Variability within the orbital plane |
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250 | (3) |
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9.2.2 Variability of the orbital plane |
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253 | (1) |
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9.3 Calculation of solar intensities |
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254 | (1) |
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9.4 Importance of each orbital parameter |
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255 | (4) |
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9.5 Historical solar irradiance at higher latitudes |
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259 | (2) |
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9.6 Connection between solar variability and glaciation-deglaciation cycles according to the astronomical theory |
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261 | (13) |
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9.6.1 Models for ice volume |
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263 | (8) |
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9.6.2 Review of the Imbrie model |
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271 | (3) |
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274 | (1) |
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9.7 Models based on eccentricity or obliquity |
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274 | (4) |
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9.7.1 A model based on eccentricity |
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274 | (2) |
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9.7.2 The Mid-Pleistocene Transition |
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276 | (2) |
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278 | (3) |
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10 The astronomical theory and data compared |
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281 | (46) |
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281 | (1) |
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10.2 Data and the astronomical theory compared |
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282 | (28) |
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10.2.1 Direct comparison of the variability of peak solar intensity with ice core data |
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284 | (7) |
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10.2.2 The Imbrie ice volume model and ocean sediment data compared |
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291 | (1) |
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10.2.3 Change in ice sheet volume and peak solar intensity compared |
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292 | (4) |
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10.2.4 Terminations of ice ages and origins of interglacials |
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296 | (14) |
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310 | (10) |
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310 | (5) |
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10.3.2 Spectral analysis of solar and paleoclimate data |
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315 | (5) |
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10.4 Status of our understanding |
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320 | (7) |
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327 | (50) |
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11.1 The next ice age (or lack thereof) |
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327 | (43) |
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327 | (1) |
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11.1.2 Orthodoxy in climatology |
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328 | (5) |
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11.1.3 Effect of CO2 growth on global temperature |
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333 | (15) |
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11.1.4 Other evidence on the role of CO2 |
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348 | (22) |
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11.2 Ways of improving our understanding |
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370 | (7) |
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11.2.1 The need to depoliticize climate change |
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370 | (2) |
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11.2.2 Technical progress |
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372 | (5) |
References |
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377 | (22) |
Index |
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399 | |