The Societal Relevance of Paleoenvironmental Research |
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1 | (3) |
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1.2 A paleo-perspective on earth system function |
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4 | (1) |
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1.3 Past climate variability, human societies and human impacts |
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5 | (2) |
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5 | (1) |
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1.3.2 Societal responses to past climatic change |
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6 | (1) |
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1.3.3 Decadal-centennial modulation of modes of climate variability |
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7 | (1) |
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1.3.4 Vulnerability to extreme events |
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7 | (1) |
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1.4 Hydrological variability |
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7 | (1) |
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8 | (1) |
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9 | (1) |
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9 | (1) |
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1.8 Testing climate models with paleodata |
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10 | (1) |
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1.9 A paleo-perspective on future global change |
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10 | (3) |
The Late Quaternary History of Atmospheric Trace Gases and Aerosols: Interactions Between Climate and Biogeochemical Cycles |
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2.1 Introduction: anthropogenic and natural changes |
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13 | (2) |
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14 | (1) |
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14 | (1) |
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2.2 The significance of past atmospheric records |
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15 | (3) |
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2.2.1 Aerosol incorporation and gas occlusion in ice |
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15 | (1) |
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2.2.2 How reliable are the climate records obtained from ice cores? |
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16 | (2) |
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2.3 Glacial-interglacial cycles |
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18 | (3) |
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18 | (2) |
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20 | (1) |
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2.4 Abrupt climatic changes during the last ice age |
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21 | (6) |
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21 | (3) |
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24 | (2) |
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26 | (1) |
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26 | (1) |
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27 | (1) |
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2.5.1 CH4 variation over the Holocene |
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27 | (1) |
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2.5.2 CO2 increase over the Holocene |
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28 | (1) |
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2.5.3 The Holocene N2O level |
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28 | (1) |
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28 | (3) |
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28 | (2) |
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30 | (4) |
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30 | (1) |
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30 | (1) |
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2.7 Conclusions, a view in the context of future changes |
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31 | (2) |
The History of Climate Dynamics in the Late Quaternary |
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33 | (1) |
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3.2 Climate change under orbital forcing |
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34 | (10) |
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3.2.1 Developing a chronology of past climatic change |
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34 | (2) |
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3.2.2 Understanding glacial cycles |
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36 | (3) |
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39 | (1) |
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3.2.4 The Last Glacial Maximum |
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40 | (2) |
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3.2.5 Glacial Termination |
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42 | (2) |
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3.3 Interaction among climate system components on millennial time scales |
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44 | (8) |
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3.3.1 Millennial scale variability in proxy data: high latitude signals |
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44 | (3) |
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3.3.2 Millennial variability of climate at low latitudes |
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47 | (3) |
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3.3.3 Modeling millennial scale climate variability |
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50 | (2) |
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3.4 Climate modes on interannual to centennial scales |
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52 | (11) |
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3.4.1 The tropical Pacific: El Nino/Southern Oscillation |
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53 | (4) |
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53 | (2) |
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ENSO in the late Quaternary |
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55 | (1) |
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55 | (2) |
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3.4.2 Decadal variability in the extratropical Pacific |
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57 | (2) |
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3.4.3 North Atlantic Oscillation |
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59 | (1) |
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3.4.4 Tropical Atlantic: the dipole and extratropical links |
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60 | (1) |
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3.4.5 Global teleconnectivity |
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61 | (2) |
The Late Quaternary History of Biogeochemical Cycling of Carbon |
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63 | (1) |
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4.2 Continental processes and their impact on atmospheric CO2 |
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64 | (4) |
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64 | (3) |
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67 | (1) |
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4.2.3 Weathering and river transport |
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68 | (1) |
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4.3 Marine processes that affect atmospheric CO2 |
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68 | (4) |
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68 | (1) |
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4.3.2 SST and SSS control (the solubility pump) |
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69 | (1) |
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4.3.3 Removal of ΣCO2 from surface waters by sinking Com |
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69 | (2) |
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4.3.4 Supply of carbonate ions to surface waters (the alkalinity pump) |
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71 | (1) |
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4.3.5 The export ratio (biological versus alkalinity pumps) |
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72 | (1) |
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4.4 Impact of marine processes on atmospheric CO2 |
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72 | (6) |
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4.4.1 Contribution from the solubility pump |
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72 | (1) |
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4.4.2 Global export of ICO2 from surface waters |
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72 | (4) |
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Changes in N and P supply in oligotrophic regions |
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72 | (1) |
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Changes in Fe supply in HNLC regions |
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73 | (3) |
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76 | (1) |
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4.4.3 Global rate of supply of ICO2 to surface waters |
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76 | (1) |
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4.4.4 Contributions from the alkalinity pump |
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76 | (1) |
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4.4.5 Contributors to transient excursions in atmospheric CO2 |
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77 | (1) |
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4.5 Summary and critical areas for future research |
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78 | (3) |
Terrestrial Biosphere Dynamics in the Climate System: Past and Future |
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81 | (1) |
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5.2 The roles of the terrestrial biosphere in the climate system |
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82 | (4) |
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5.2.1 Biogeochemical roles |
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83 | (1) |
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84 | (2) |
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5.3 Terrestrial biosphere changes in the past |
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86 | (8) |
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5.3.1 Response of the biosphere |
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87 | (2) |
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87 | (1) |
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87 | (1) |
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Changes in community composition |
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87 | (1) |
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Changes through evolution |
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88 | (1) |
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88 | (1) |
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5.3.2 The temporal hierarchy of climate change and biospheric response |
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89 | (4) |
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The tectonic frequency band |
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89 | (1) |
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The "Orbital" frequency band (1 million to 10,000 years) |
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90 | (3) |
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The millennial frequency band (10,000 to 1,000 years) |
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93 | (1) |
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Sub-millennial frequency bands (<1000 years) |
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93 | (1) |
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5.3.3 The roles of changing disturbance regimes and atmospheric CO2 |
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93 | (1) |
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Disturbance as an agent of change |
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93 | (1) |
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The direct effects of changing atmospheric CO2 concentrations |
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94 | (1) |
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5.4 Terrestrial biosphere change of the future: out of the envelope and into a world of disequilibrium |
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94 | (6) |
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5.4.1 Future climate change |
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94 | (1) |
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5.4.2 Future biosphere change |
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95 | (1) |
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5.4.3 The need to focus on the transient response |
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95 | (4) |
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5.4.4 More complicating factors |
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99 | (1) |
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5.5 Conclusions and future research needs |
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100 | (3) |
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5.5.1 The problem with biosphere feedbacks and climate sensitivity |
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100 | (1) |
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5.5.2 Implications for future biodiversity conservation |
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100 | (2) |
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5.5.3 Principal uncertainties and research imperatives |
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102 | (1) |
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102 | (1) |
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103 | (2) |
The Climate of the Last Millennium |
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105 | (2) |
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6.2 Holocene climate variability |
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107 | (3) |
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6.3 Temperatures over the last millennium |
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110 | (4) |
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6.4 Uncertainties in large-scale temperature reconstructions |
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114 | (1) |
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6.5 The Medieval Warm Epoch and the Little Ice Age |
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115 | (1) |
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6.6 20th century temperatures in perspective |
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116 | (2) |
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6.7 The Tropical Indo-Pacific |
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118 | (4) |
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118 | (2) |
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6.7.2 Century-scale trends in the tropics |
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120 | (1) |
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6.7.3 Tropical variability in the last millennium |
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120 | (2) |
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6.8 Hydroclimatic variability in western North America |
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122 | (4) |
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122 | (1) |
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6.8.2 Interaction between time scales |
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123 | (2) |
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6.8.3 Extreme and persistent droughts and wet periods |
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125 | (1) |
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6.8.4 Ecosystem impacts of climate variability |
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125 | (1) |
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6.9 North Atlantic region |
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126 | (5) |
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6.10 The Southern Hemisphere |
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131 | (1) |
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6.11 Forcing Factors: causes of temperature change in the last millennium |
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132 | (5) |
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132 | (1) |
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133 | (1) |
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134 | (1) |
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6.11.4 Internal "forcing" factors |
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134 | (1) |
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6.11.5 Thermohaline circulation changes |
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134 | (3) |
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6.12 Anthropogenic and natural climate forcings over the past millennium: model results |
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137 | (2) |
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6.13 Detecting twentieth century climate change |
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139 | (2) |
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141 | (2) |
The Role of Human Activities in Past Environmental Change |
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143 | (1) |
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7.2 Natural and human-induced processes of environmental change |
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143 | (1) |
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7.3 Past human impacts on the atmosphere |
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144 | (1) |
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144 | (1) |
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7.3.2 Trace metals, other industrial contaminants and radioisotopes |
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145 | (1) |
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7.4 Paleo-perspectives on acidification, eutrophication and the ecological status of lakes, coastal waters and peatlands |
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145 | (6) |
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7.5 Past human impacts as a result of land-use and land-cover changes |
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151 | (3) |
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7.6 A paleo-perspective on human activity and bio-diversity |
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154 | (2) |
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7.7 Past human impacts on erosionrates, sediment yields and fluvial systems |
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156 | (2) |
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7.8 Environmental sustainability and human vulnerability in the perspective of the paleorecords |
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158 | (4) |
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7.9 Some future research priorities |
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162 | (1) |
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162 | (1) |
Challenges of a Changing Earth: Past Perspectives, Future Concerns |
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163 | (1) |
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8.2 Understanding earth system variability |
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163 | (1) |
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8.2.1 Paleoclimate data and models |
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164 | (1) |
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8.3 Nonlinear dynamics in the earth system |
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164 | (2) |
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8.3.1 Earth system thresholds |
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164 | (1) |
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165 | (1) |
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8.4 Is the past irrelevant to the future? |
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166 | (1) |
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8.5 Human vulnerability to future climate change |
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166 | (3) |
Appendix A The Past Global Changes (PAGES) Program |
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169 | (1) |
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169 | (2) |
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169 | (1) |
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Focus 2 The PAGES/CLIVAR Intersection |
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169 | (1) |
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170 | (1) |
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170 | (1) |
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Focus 5 Past Ecosystem Processes and Human Environment Interactions |
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170 | (1) |
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171 | (4) |
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171 | (1) |
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A.5 Links with other international programs |
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171 | (1) |
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A.6 Outreach and Communications |
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172 | (1) |
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172 | (1) |
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A.8 Capacity Building - encouraging North-South research partnerships |
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172 | (1) |
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A.9 How to get involved with PAGES activities |
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173 | |
Appendix B The PAGES Data System |
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B.1 The PAGES Data System and its components |
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175 | (1) |
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B.2 The World Data Center for Paleoclimatology |
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175 | (1) |
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B.3 The World Data Center for Marine Environmental Sciences/PANGAEA |
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176 | (1) |
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176 | (1) |
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B.5 Mirror sites/World Data Center partners |
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177 | (1) |
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B.6 Data cooperatives and project level data management |
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177 | (1) |
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B.7 Users of paleoclimatic data |
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177 | (1) |
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B.8 Data access and information tools |
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178 | (1) |
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B.9 The PAGES Data Board and data sharing |
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178 | (1) |
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178 | (3) |
References |
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181 | (36) |
Index |
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217 | (4) |
Acknowledgments |
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221 | |