Index

Note: Page numbers in italic refer to illustrations, m indicates a map, t indicates a table.

ablation zone 96-97

abrasion 68-69

abrupt transitions 40-41

accumulation zone 96

acid rain 7

aerosols 34, 47, 52

Afar region flood basalts (Africa) 37

Africa

Afar region flood basalts 37 Darfur region 80-81 Namib Desert 65, 91, 113 Sahara Desert (Africa) 71, 74, 92, 119-120

agricultural practices 80, 82, 84, 124 Alaska

Chugach Mountains glacier 99 desert area 66, 119-120 ice block calving 101 Terentiev Lake 102-103, 103 alluvial fans 68

Amazon Basin warming hole 51

ammonia 9, 10

Andes Mountains (Peru) 64-65 Antarctica 111

current ice age 114 icebergs and sea ice 103, 106 ice sheet 30 melting ice cap 48 melting ice sheet 53, 54-55 polar desert 66 Ross Ice Shelf 105-106 Weddell Sea 27-28 Arctic Ocean sea ice and icebergs 103-105 thermohaline circulation 27 arête forms 97-98 argon 3

Arizona, Lake Powell 62 Arrhenius, Svante 35 Asymptotic Giant Branch (AGB) 11 atmosphere circulation of 7-9, 8 component gases 3, 5-7 evolution of 9-10, 18 role of, in climate change 10-12 structure of 3-5, 4

atmospheric circulation 7-9, 8, 77-78. See also El Niño and the Southern Oscillation (ENSO) atmospheric pressure 3 Australia, Ayres Rock 68 avalanches 101 Ayres Rock (Australia) 68

bajada 68

barchan dunes 72, 73 barchanoid dunes 73 Bonneville, Lake 68 boundaries (plate boundaries) 12-13

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