{"id":7460,"date":"2016-02-13T20:24:36","date_gmt":"2016-02-14T04:24:36","guid":{"rendered":"http:\/\/www.hisark.com\/?p=7460"},"modified":"2016-02-13T20:24:36","modified_gmt":"2016-02-14T04:24:36","slug":"%eb%a7%a8%ed%8b%80%ec%9d%98-%ec%98%a8%eb%8f%84-%ec%b0%a8%ec%9d%b4-2","status":"publish","type":"post","link":"http:\/\/www.hisark.com\/?p=7460","title":{"rendered":"\ub9e8\ud2c0\uc758 \uc628\ub3c4 \ucc28\uc774"},"content":{"rendered":"<p><a href=\"http:\/\/stage.hisark.com\/wp-content\/uploads\/2016\/01\/images2.png\" rel=\"attachment wp-att-7394\"><img loading=\"lazy\" width=\"446\" height=\"208\" class=\"alignnone size-full wp-image-7394 imgborder\" src=\"http:\/\/stage.hisark.com\/wp-content\/uploads\/2016\/01\/images2.png\" alt=\"images2\" srcset=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2016\/01\/images2.png 446w, http:\/\/www.hisark.com\/wp-content\/uploads\/2016\/01\/images2-300x140.png 300w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><\/a><\/p>\n<h6><span style=\"color: #808080;\">\uc9c0\uc9c4\uacfc \ub2e8\uce35\ucd2c\uc601\ubc95(seismic tomography)\uc744 \ud1b5\ud574 \uad00\ucc30\ub41c \ud558\ubd80\ub9e8\ud2c0\uc758 \ub728\uac70\uc6b4 \ub9e8\ud2c0 \ubb3c\uc9c8\uacfc \ucc28\uac00\uc6b4\u00a0\ubb3c\uc9c8\uc758 \ubd84\ud3ec. \uc67c\ucabd \uadf8\ub9bc\uc740 \uacbd\ub3c4 180\u00b0, \uc624\ub978\ucabd\uc740 \uacbd\ub3c4 0\u00b0\uc5d0\uc11c \ubc14\ub77c\ubcf8 \ubaa8\uc2b5\uc774\ub2e4.<\/span><\/h6>\n<p>\uc9c0\uad6c \ubb3c\ub9ac\ud559\uc758 \uc5f0\uad6c \uc8fc\uc81c \uc911 \uc9c0\uad6c \ub0b4\ubd80\uc758 \ub9e8\ud2c0\uc5d0 \ub300\ud55c \uc5f0\uad6c\ub294 \ub9ce\uc740 \ubd80\ubd84 \uc9c0\uc9c4\ud30c\ub97c \uc774\uc6a9\ud55c \uc2e4\ud5d8\uc5d0 \uc758\uc874\ud55c\ub2e4. \uace0\uccb4 \ubb3c\uc9c8\uc740 \uc9c0\uc9c4\ud30c\ub97c \uc27d\uac8c \uc804\ub2ec\ud558\ub294 \ubc18\uba74, \uc561\uccb4\ub294 \uc804\ub2e8\uc751\ub825(shear stress)\uc774 \ub9e4\uc6b0 \uc57d\ud558\uae30 \ub54c\ubb38\uc5d0 \ud6a1\ud30c (S-wave)\ub294 \uc804\ub2ec\ub418\uc9c0 \ubabb\ud558\uace0 \uc885\ud30c (P-wave)\ub9cc\uc774 \uc804\ub2ec\ub420 \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc5ec\ub7ec \uc9c0\uc9c4\ud30c\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \uc9c0\uad6c \ub0b4\ubd80\uc758 \ub300\ub7b5\uc801\uc778 \uad6c\uc131 \ub610\ud55c \uc608\uce21\uc774 \uac00\ub2a5\ud55c \uac83\uc774\ub2e4. \ud55c \uc608\ub85c, \uc9c0\uad6c \ub9e8\ud2c0\uc740 \uace0\uccb4 \uc554\uc11d\uc774\uace0 \uc678\ud575\uc740 \uc561\uccb4\ub77c\ub294 \uc0ac\uc2e4\ub3c4 \uc9c0\uc9c4\ud30c \uc790\ub8cc\ub97c \ud1b5\ud574\uc11c \ubc1c\uacac\ub420 \uc218 \uc788\uc5c8\ub2e4.<\/p>\n<p>\uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\uc9c4\ud30c\uc758 \uc804\ub2ec\uc18d\ub3c4\ub294 \ubb3c\uc9c8\uc758 \ubc00\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uac8c \ub418\ub294\ub370, \ubb3c\uc9c8 \uad6c\uc131\uc774 \uc720\uc0ac\ud558\ub2e4\ub294 \uac00\uc815\uacfc \ud568\uaed8 \ub300\uccb4\ub85c \ubc00\ub3c4\uac00 \ub192\uc740 \ubb3c\uc9c8\uc77c\uc218\ub85d \uc9c0\uc9c4\ud30c\uc758 \uc804\ub2ec\uc18d\ub3c4\ub294 \ube60\ub974\uace0 \ubc00\ub3c4\uac00 \ub0ae\uc740 \ubb3c\uc9c8\uc774\uba74 \uc804\ub2ec\uc18d\ub3c4\ub294 \ub290\ub824\uc9c0\uac8c \ub41c\ub2e4.(1) \uadf8\ub9ac\uace0 \ubc00\ub3c4\ub294 \uc628\ub3c4\uc5d0 \ub610\ud55c \uc601\ud5a5\uc744 \ubc1b\uac8c \ub418\ubbc0\ub85c \uc774\ub7ec\ud55c \uad00\uacc4\ub4e4\uc744 \ud1b5\ud574\uc11c \ub300\ub7b5\uc801\uc778 \ub9e8\ud2c0 \ubb3c\uc9c8\uc758 \uc628\ub3c4 \ud30c\uc545\uc774 \uac00\ub2a5\ud558\ub2e4. \uc774\ub7ec\ud55c \ubc29\ubc95\ub4e4\uc744 \uc774\uc6a9\ud558\uc5ec \uc870\uc0ac\ud55c \uc9c0\uad6c \ub0b4\ubd80 \ub9e8\ud2c0\uc758 \uad6c\uc870\uc758 (\uc9c0\uc9c4\ud30c \ub2e8\uce35\ucd2c\uc601\ubc95) \uacb0\uacfc\ub4e4\uc740 \ubaa8\ub450 \ub180\ub77c\uc6b4 \uc0ac\uc2e4\uc744 \ubcf4\uc5ec\uc900\ub2e4.<\/p>\n<p>\uc704 \uadf8\ub9bc\uc740 \uc9c0\uc9c4\ud30c \uc790\ub8cc\ub97c \ubaa8\uc544\uc11c \uc7ac\uad6c\uc131\ud55c \ud558\ubd80 \ub9e8\ud2c0 (lower mantle)\uc758 \ubc00\ub3c4 \ubd84\ud3ec\ub97c \ubcf4\uc5ec\uc8fc\ub294\ub370, \ube68\uac04\uc0c9\uc740 \ub0ae\uc740 \ubc00\ub3c4, \ud30c\ub780\uc0c9\uc740 \ub192\uc740 \ubc00\ub3c4\ub97c \ub098\ud0c0\ub0b8\ub2e4. \uc628\ub3c4\uc640 \uad00\ub828\ud574\uc11c \ub2e4\uc2dc \ub9d0\ud558\uba74, \ube68\uac04 \ubd80\ubd84\uc758 \ub9e8\ud2c0\uc740 \ub192\uc740 \uc628\ub3c4\ub97c \uac16\uace0 \uc788\uace0 \ud30c\ub780 \ubd80\ubd84\uc740 \ucc28\uac00\uc6b4 \ub9e8\ud2c0\uc744 \ub098\ud0c0\ub0b4\uc5b4 \uc900\ub2e4. \uc774 \ucc28\uac00\uc6b4 \ub9e8\ud2c0\uacfc \ub728\uac70\uc6b4 \ub9e8\ud2c0\uc758 \ubc00\ub3c4 \ucc28\uc774\ub294 \ub300\ub7b5 3~4% \uc815\ub3c4\uc778\ub370(3),(4), \uc774\ub97c \ubb3c\uc9c8\uc758 \uad6c\uc131\uc774 \uc720\uc0ac\ud558\ub2e4\ub294 \uac00\uc815\uacfc \ud568\uaed8 \uc628\ub3c4\ub85c \ud658\uc0b0\ud558\uba74 \uc57d 3,000~4,000K \uc815\ub3c4\uc758 \uc628\ub3c4 \ucc28\uc774\uc640 \uc77c\uce58\ud55c\ub2e4.(2) \ud558\ubd80 \ub9e8\ud2c0\uc758 \ubc14\ub2e5 \uc989, \uc678\ud575\uacfc \ub9e8\ud2c0\uc758 \uacbd\uacc4\uba74 (CMB: Core Mantle Boundary)\uc758 \uc628\ub3c4\uac00 \ub300\ub7b5 3,500~4,000K \uc815\ub3c4\uc778 \uc0ac\uc2e4\uc744 \uc0dd\uac01\ud558\uba74, \ud30c\ub780 \ubd80\ubd84\uc758 \ub9e8\ud2c0 \uc628\ub3c4\ub294 \uac70\uc758 \uc9c0\ud45c\uba74\uc758 \uc554\uc11d \uc628\ub3c4\uc640 \uc720\uc0ac\ud55c \uc815\ub3c4\ub77c\ub294 \ub9d0\uc774 \ub41c\ub2e4. \uc774\ub294 \ucc38\uc73c\ub85c \ub180\ub77c\uc6b4 \uac83\uc774\ub2e4! \uc5b4\ub5bb\uac8c \ub9e8\ud2c0 \uc548\uc73c\ub85c \ub4e4\uc5b4\uac04 \uc9c0 \uc218\uc5b5 \ub144 \ub41c \uc554\uc11d\uc774 \uc544\uc9c1\ub3c4 \uc9c0\uad6c \ud45c\uba74\uc758 \uc628\ub3c4\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\ub2e4\ub294 \ub9d0\uc778\uac00? \uc9c0\uad6c\uac00 \uc624\ub798\ub418\uc5c8\ub2e4\ub294 \ubbff\uc74c\uc774 \uc815\ub9d0 \uc720\ud6a8\ud55c \uac83\uc778\uac00? \uadf8\ub807\uc9c0 \uc54a\ub2e4. \uc9c0\uad6c \ub9e8\ud2c0\uc758 \uc9c0\uc9c4\ud30c \uc790\ub8cc\ub294 \uc624\ud788\ub824 \uc9c0\uac01\ud310\uc774 \ub9e8\ud2c0\ub85c \uc12d\uc785\ub41c \uc9c0 \uc5bc\ub9c8 \ub418\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uba85\ubc31\ud788 \ubcf4\uc5ec\uc900\ub2e4. \uc2e4\uc81c\ub85c \ucc3d\uc870\uacfc\ud559\uc790\uc778 \ubc14\uc6c0\uac00\ub4dc\ub108 \ubc15\uc0ac\uac00 \uc9c4\ud589\ud55c \uaca9\ubcc0\uc801\uc778 \ud310\uad6c\uc870\ub860 \ucef4\ud4e8\ud130 \uc2dc\ubbac\ub808\uc774\uc158 \ubaa8\ub378\ub3c4 \uc704 \uadf8\ub9bc\uacfc \uc720\uc0ac\ud55c \ub9e8\ud2c0 \uc628\ub3c4 \ubd84\ud3ec\ub97c \ubcf4\uc5ec\uc8fc\uc5c8\ub2e4.<\/p>\n<p>\uacfc\uac70 \uc6b0\ub9ac \uadf8\ub9ac\uc2a4\ub3c4\uc778\ub4e4\uc740 \ub108\ubb34 \uc123\ubd80\ub974\uac8c \ud558\ub098\ub2d8\uc758 \ub9d0\uc500\uc778 \uc131\uacbd\uc744 \uc0ac\uc2e4\uc774 \uc544\ub2d0 \uc218 \uc788\ub2e4\uace0 \ud3c9\uac00\ud574 \ubc84\ub838\ub2e4. \uc774\ub7ec\ud55c \ud3c9\uac00\uc808\ud558\uc758 \uc911\uc2ec\uc5d0\ub294 \uc9c4\ud654\ub860\uc774 \uc788\uc5c8\ub2e4. \uc9c0\uad6c\uac00 \uc624\ub798\ub418\uc5c8\ub2e4\ub294 \uc9c4\ud654\ub860\uc801 \ubbff\uc74c\uc740 \ubd84\uba85\ud788 \uc131\uacbd \ub9d0\uc500\uacfc \ub300\uce58\ub418\uae30 \ub54c\ubb38\uc5d0 \uc131\uacbd\uacfc \uc9c4\ud654\ub860 \ub458 \uc911 \ud558\ub098\ub294 \ud2c0\ub9b0 \uac83\uc774 \ub420 \uc218\ubc16\uc5d0 \uc5c6\ub2e4. \uadf8\ub7ec\ub098 \uc2ac\ud504\uac8c\ub3c4 \uc131\uacbd\uc5d0 \ub300\ud55c \ubbff\uc74c\ubcf4\ub2e4 \uc9c4\ud654\ub860\uc744 \ub354 \uc2e0\ub8b0\ud558\uace0 \uc218\uc6a9\ud574 \ubc84\ub838\ub2e4. \uadf8 \uacb0\uacfc \uc218 \ub9ce\uc740 \uadf8\ub9ac\uc2a4\ub3c4\uc778\ub4e4\uc758 \ubbff\uc74c\uc774 \ud754\ub4e4\ub9ac\uace0 \uc788\ub2e4. \uc815\ub9d0 \uc9c4\ud654\ub860\uc774 \uc720\ud6a8\ud55c\uac00? \uc815\ub9d0 \uc9c0\uad6c\uac00 \uc624\ub798\ub418\uc5c8\ub294\uac00? \uc544\ub2c8\ub2e4. \ub9ce\uc740 \uacfc\ud559\uc801 \ub370\uc774\ud130\ub4e4\uc740 \uc131\uacbd\uc801 \uc9c0\uad6c \uc5f0\ub300\uac00 (\uc80a\uc740 \uc5f0\ub300) \uc633\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \u201c\ud558\ub098\ub2d8\uc758 \uc9c0\ud61c\uc5d0 \uc788\uc5b4\uc11c\ub294 \uc774 \uc138\uc0c1\uc774 \uc790\uae30 \uc9c0\ud61c\ub85c \ud558\ub098\ub2d8\uc744 \uc54c\uc9c0 \ubabb\ud558\ubbc0\ub85c \ud558\ub098\ub2d8\uaed8\uc11c \uc804\ub3c4\uc758 \ubbf8\ub828\ud55c \uac83\uc73c\ub85c \ubbff\ub294 \uc790\ub4e4\uc744 \uad6c\uc6d0\ud558\uc2dc\uae30\ub97c \uae30\ubed0\ud558\uc168\ub3c4\ub2e4\u201d (\uace0\uc804 1:21)<\/p>\n<p>\ud0c0\ub77d\ud55c \ud53c\uc870\ubb3c\uc778 \uc6b0\ub9ac\ub294 \uc6b0\ub9ac \uc2a4\uc2a4\ub85c \uc9c4\ub9ac\ub97c \uc54c \uc218\uac00 \uc5c6\ub2e4. \uadf8\ub7ec\ub098 \uc0ac\ub791\uacfc \uc740\ud61c\uc758 \ud558\ub098\ub2d8\uaed8\uc11c\ub294 \uc6b0\ub9ac\uc5d0\uac8c \uc131\uacbd\uc744 \ud1b5\ud574 \uc9c4\ub9ac\ub97c \uae68\ub2eb\ub3c4\ub85d \ub2e4\uc2dc\ud55c\ubc88 \uae30\ud68c\ub97c \uc8fc\uc2e0\ub2e4. \uadf8\ubd84\uc740 \uc6b0\ub9ac\uac00 \uc131\uacbd\uc73c\ub85c \ub3cc\uc544\uc624\uae30\ub97c \uace0\ub300\ud558\uace0 \uacc4\uc2e0\ub2e4. \uc6b0\ub9ac \uadf8\ub9ac\uc2a4\ub3c4\uc778\ub4e4\uc5d0\uac90 \ubbff\uc74c\uc758 \uc21c\uacb0\uc774 \ud544\uc694\ud558\ub2e4. \uc138\uc0c1\uc758 \uc774\ub860\uacfc \ud0c0\ud611\ud558\uc9c0 \uc54a\ub294 \uc131\uacbd\uc5d0 \ub300\ud55c \uc77c\uc0ac\uac01\uc624\uc758 \uc21c\uacb0 \ub9d0\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc9c0\uad6c \ubb3c\ub9ac\ud559\uc758 \uc5f0\uad6c \uc8fc\uc81c \uc911 \uc9c0\uad6c \ub0b4\ubd80\uc758 \ub9e8\ud2c0\uc5d0 \ub300\ud55c \uc5f0\uad6c\ub294 \ub9ce\uc740 \ubd80\ubd84 \uc9c0\uc9c4\ud30c\ub97c \uc774\uc6a9\ud55c \uc2e4\ud5d8\uc5d0 \uc758\uc874\ud55c\ub2e4. \uace0\uccb4 \ubb3c\uc9c8\uc740 \uc9c0\uc9c4\ud30c\ub97c \uc27d\uac8c \uc804\ub2ec\ud558\ub294 \ubc18\uba74, \uc561\uccb4\ub294 \uc804\ub2e8\uc751\ub825(shear stress)\uc774 \ub9e4\uc6b0 \uc57d\ud558\uae30 \ub54c\ubb38\uc5d0 \ud6a1\ud30c (S-wave)\ub294 \uc804\ub2ec\ub418\uc9c0 \ubabb\ud558\uace0 \uc885\ud30c (P-wave)\ub9cc\uc774 \uc804\ub2ec\ub420 \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc5ec\ub7ec \uc9c0\uc9c4\ud30c\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \uc9c0\uad6c \ub0b4\ubd80\uc758 \ub300\ub7b5\uc801\uc778 \uad6c\uc131 \ub610\ud55c \uc608\uce21\uc774 \uac00\ub2a5\ud55c \uac83\uc774\ub2e4. \ud55c \uc608\ub85c, \uc9c0\uad6c \ub9e8\ud2c0\uc740 \uace0\uccb4 \uc554\uc11d\uc774\uace0 \uc678\ud575\uc740 \uc561\uccb4\ub77c\ub294 \uc0ac\uc2e4\ub3c4 \uc9c0\uc9c4\ud30c \uc790\ub8cc\ub97c \ud1b5\ud574\uc11c \ubc1c\uacac\ub420 \uc218 \uc788\uc5c8\ub2e4.<\/p>\n<p>\uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\uc9c4\ud30c\uc758 \uc804\ub2ec\uc18d\ub3c4\ub294 \ubb3c\uc9c8\uc758 \ubc00\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uac8c \ub418\ub294\ub370, \ubb3c\uc9c8 \uad6c\uc131\uc774 \uc720\uc0ac\ud558\ub2e4\ub294 \uac00\uc815\uacfc \ud568\uaed8 \ub300\uccb4\ub85c \ubc00\ub3c4\uac00 \ub192\uc740 \ubb3c\uc9c8\uc77c\uc218\ub85d \uc9c0\uc9c4\ud30c\uc758 \uc804\ub2ec\uc18d\ub3c4\ub294 \ube60\ub974\uace0 \ubc00\ub3c4\uac00 \ub0ae\uc740 \ubb3c\uc9c8\uc774\uba74 \uc804\ub2ec\uc18d\ub3c4\ub294 \ub290\ub824\uc9c0\uac8c \ub41c\ub2e4.(1) \uadf8\ub9ac\uace0 \ubc00\ub3c4\ub294 \uc628\ub3c4\uc5d0 \ub610\ud55c \uc601\ud5a5\uc744 \ubc1b\uac8c \ub418\ubbc0\ub85c \uc774\ub7ec\ud55c \uad00\uacc4\ub4e4\uc744 \ud1b5\ud574\uc11c \ub300\ub7b5\uc801\uc778 \ub9e8\ud2c0 \ubb3c\uc9c8\uc758 \uc628\ub3c4 \ud30c\uc545\uc774 \uac00\ub2a5\ud558\ub2e4. \uc774\ub7ec\ud55c \ubc29\ubc95\ub4e4\uc744 \uc774\uc6a9\ud558\uc5ec \uc870\uc0ac\ud55c \uc9c0\uad6c \ub0b4\ubd80 \ub9e8\ud2c0\uc758 \uad6c\uc870\uc758 (\uc9c0\uc9c4\ud30c \ub2e8\uce35\ucd2c\uc601\ubc95) \uacb0\uacfc\ub4e4\uc740 \ubaa8\ub450 \ub180\ub77c\uc6b4 \uc0ac\uc2e4\uc744 \ubcf4\uc5ec\uc900\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":7394,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts\/7460"}],"collection":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7460"}],"version-history":[{"count":0,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts\/7460\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/media\/7394"}],"wp:attachment":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7460"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}