Um víða veröld - Jörðin

165 Skrár Atriðisorðaskrá A–Á aðalskipulag 146, 147, 149 aflveðrun 36, 37 alheimur 3–6, 16 Alpafellingin 33, 34 Alpafjöll 33 Alþjóðasamningar 154 Amason 86, 90, 96 Andesfjöll 10, 33, 161 Appalachia-fjöll 33 Appoló 11, 14 Askja 28 Atlantshaf 22, 28, 39, 79, 90, 92–95, 97–99, 109, 110, 144 Atlantshafshryggur 22, 28, 94, 97 Atvinnugreinar 145, 148 auðlindanýting 114 auðlindir 3, 103, 111, 113–115, 121, 122, 152, 158, 160, 162 aurflóð 143 Austur–Grænlandsstraumur 97 Árstíðaskipti 12 árstíðavindar 67 B Barentshaf 93 barrskógur 82, 84, 85, 89 bauganet 48, 57 berghlaup 40 bergskjöldur 9 bergtegundir 9, 23–25, 34, 40 Beringssund 98 Borgarmyndun 142, 148 breiddarbaugar 48, 56 brúnkol 128, 137 búferlaflutningar 143, 148, 149 Búrfellsvirkjun 105 byggðaþróun 141 C Canaveralhöfði 15 Curiosity 15 D daglína 44, 48, 56 Dauðahaf 90 Deildartunguhver 135 deiliskipulag 146, 147 djúpsjávarslétta 96, 97 Dóná 109 Drekasvæðið 123, 137 dyngja 4, 25 E efnahagslögsaga 107, 111 efnaveðrun 36, 37, 42 El Niño 100, 110 Eldgjá 153 eldgos 21, 25–29, 32, 35, 153 eldingar 74 eldkeila 25 eldstöðvar 25, 28, 35 endurnýjanleg orka 117, 122, 130 endurvinnsla 114, 160, 162, 163 Ermarsund 105 Etna 14, 34 Exxon Valdes 127 eyðimerkurloftslag 79 eyðimörk 38, 39, 83, 87–89, 123, 141, 144 Eyjafjallajökull 29 Eystrasalt 93 F fátækrahverfi 142, 143, 148 fellibylur 63, 64, 67, 68, 69, 81 fellingafjöll 9, 16, 20, 21, 23, 33, 34 Fimmvörðuháls 29 fiskeldi 104, 110, 136 fjallaúrkoma 72 flekamót 22, 28, 30, 32, 93, 120 flóðbylgjur 10, 30, 32, 34, 90, 94, 101, 102, 105, 119, 131 flóttafólk 143 forkambríum 8, 33 fornlífsöld 8–10, 33 freðmýri 82, 84, 89 friðlýst svæði 149, 161, 163 frostveðrun 36, 42 Fuji-fjall 34 Fukushima 131 G Ganges 96 geimfar 14, 15, 17 Geimferðastofnun Bandaríkjanna 14 geimstöð 14, 15 gervitungl 4, 14, 15, 44, 54, 55 Geysir 135 Golfstraumur 71, 98, 99, 103, 110, 111 gosefni 25–27, 39 grassléttur 83, 86 Greenwich (GMT) 48, 49 grenndarkynning 147, 148 grettistak 38, 39 Grímsvötn 28 gróðurbelti 78, 82–84, 89 gróðurfar 50, 51, 82, 84–86, 89 gróðurhúsaáhrif 63, 80, 81, 122, 132, 153, 158 Grænlandsjökull 99 gufuhver 135 gufuhvolf 60, 62 H hafgola 70 hafsbotn 9, 22, 23, 25, 27, 32, 34, 39, 50, 93, 94, 96, 101, 103, 105–107, 124, 126 hafstraumar 39, 50, 71, 79, 95, 97–100, 110 háfjallaloftslag 79 háhitasvæði 135–137 háþrýstingur 80 heiðhvolf 60 Heimaey 28, 29 heimskaut 9, 11, 44, 48, 56, 71, 79, 80, 95, 98, 110, 111, 123, 153 heimskautaloftslag 65, 67, 79, 123 heittempraða beltið 78 heitur reitur 22 Hekla 28 hellar 26, 27, 35 Himalajafjöll 18, 23, 33 hitabeltið 73, 78, 83, 84, 86, 87, 89, 128 hitabeltisregnskógur 83, 84, 86, 89 hitahvolf 60 hitaskil 72 hlaup 12, 14, 16, 40, 116, 132 hnattræn hlýnun 153 hnúkaþeyr 70, 72