{"id":20986,"date":"2025-03-19T00:43:04","date_gmt":"2025-03-18T21:43:04","guid":{"rendered":"https:\/\/bestenerji.com.tr\/?p=20986"},"modified":"2025-03-19T00:43:04","modified_gmt":"2025-03-18T21:43:04","slug":"lav-tanimi","status":"publish","type":"post","link":"https:\/\/bestenerji.com.tr\/yenitema\/lav-tanimi\/","title":{"rendered":"Lav Tan\u0131m\u0131"},"content":{"rendered":"<p><strong>Lav<\/strong>, yery\u00fcz\u00fcne veya su alt\u0131na volkanik patlamalar sonucu ula\u015fan, y\u00fcksek s\u0131cakl\u0131ktaki <strong>erimi\u015f kaya<\/strong> k\u00fctlesidir. Bu erimi\u015f kaya k\u00fctlesi, \u00e7o\u011funlukla <strong>silikatlar<\/strong>, <strong>al\u00fcminyum oksit<\/strong>, <strong>demir oksit<\/strong>, <strong>magnezyum oksit<\/strong>, <strong>kalsiyum oksit<\/strong> ve di\u011fer \u00e7e\u015fitli minerallerden olu\u015fur. Lav, y\u00fczeye ula\u015ft\u0131\u011f\u0131nda h\u0131zla so\u011fumaya ba\u015flar ve kat\u0131la\u015farak \u00e7e\u015fitli volkanik kaya\u00e7lar\u0131 olu\u015fturur.<\/p>\n<h2><strong>Lavin Temel \u00d6zellikleri<\/strong><\/h2>\n<ul>\n<li><strong>Y\u00fcksek S\u0131cakl\u0131k:<\/strong> Lav, tipik olarak 700\u00b0C ile 1200\u00b0C aras\u0131nda de\u011fi\u015fen s\u0131cakl\u0131klara sahiptir. Bu y\u00fcksek s\u0131cakl\u0131k, lav\u0131n parlak k\u0131rm\u0131z\u0131 veya turuncu renkte g\u00f6r\u00fcnmesine neden olur. Lav\u0131n tam s\u0131cakl\u0131\u011f\u0131, bile\u015fimine ve i\u00e7erdi\u011fi gaz miktar\u0131na ba\u011fl\u0131 olarak de\u011fi\u015fir.<\/li>\n<li><strong>Ak\u0131\u015fkanl\u0131k:<\/strong> Lav\u0131n ak\u0131\u015fkanl\u0131\u011f\u0131, silika i\u00e7eri\u011fi, s\u0131cakl\u0131\u011f\u0131 ve i\u00e7erdi\u011fi gaz miktar\u0131 gibi fakt\u00f6rlere ba\u011fl\u0131d\u0131r. Silika i\u00e7eri\u011fi y\u00fcksek olan lavlar (riyolitik ve andezitik lavlar) daha viskozdur (k\u0131vaml\u0131d\u0131r) ve yava\u015f akarlar. Silika i\u00e7eri\u011fi d\u00fc\u015f\u00fck olan lavlar (bazaltik lavlar) ise daha ak\u0131\u015fkand\u0131r ve daha h\u0131zl\u0131 akabilirler.<\/li>\n<li><strong>Bile\u015fim:<\/strong> Lav\u0131n bile\u015fimi, \u00e7\u0131kt\u0131\u011f\u0131 volkan\u0131n konumuna ve alt\u0131nda yatan mantonun \u00f6zelliklerine ba\u011fl\u0131d\u0131r. En yayg\u0131n lav t\u00fcrleri bazalt, andezit ve riyolittir. Bazaltik lavlar genellikle okyanus tabanlar\u0131nda ve s\u0131cak noktalarda bulunur. Andezitik lavlar, k\u0131ta levhalar\u0131n\u0131n dalma zonlar\u0131nda yayg\u0131nd\u0131r. Riyolitik lavlar ise genellikle k\u0131ta i\u00e7i volkanlarda bulunur.<\/li>\n<li><strong>Gaz \u0130\u00e7eri\u011fi:<\/strong> Lav, \u00e7e\u015fitli gazlar i\u00e7erir. Bu gazlar aras\u0131nda su buhar\u0131 (H2O), <a href=\"https:\/\/bestenerji.com.tr\/yenitema\/karbondioksit-co%e2%82%82-tanimi\/\">karbondioksit<\/a> (CO2), k\u00fck\u00fcrt dioksit (SO2), <a href=\"https:\/\/bestenerji.com.tr\/yenitema\/hidrojen-h\/\">hidrojen<\/a> s\u00fclf\u00fcr (H2S) ve di\u011fer \u00e7e\u015fitli gazlar bulunur. Lav y\u00fczeye \u00e7\u0131kt\u0131\u011f\u0131nda, bas\u0131nc\u0131n azalmas\u0131yla birlikte bu gazlar serbest kal\u0131r ve volkanik patlamalara neden olabilir.<\/li>\n<li><strong>Yo\u011funluk:<\/strong> Lav\u0131n yo\u011funlu\u011fu, bile\u015fimine ve s\u0131cakl\u0131\u011f\u0131na ba\u011fl\u0131d\u0131r. Tipik olarak, lav\u0131n yo\u011funlu\u011fu 2.7 g\/cm\u00b3 ile 3.3 g\/cm\u00b3 aras\u0131nda de\u011fi\u015fir.<\/li>\n<\/ul>\n<h2><strong>Lav Ak\u0131\u015f T\u00fcrleri<\/strong><\/h2>\n<ul>\n<li><strong>Pahoehoe Lav:<\/strong> Bu t\u00fcr lav, p\u00fcr\u00fczs\u00fcz, dalgal\u0131 bir y\u00fczeye sahiptir. D\u00fc\u015f\u00fck viskoziteye sahip bazaltik lavlardan olu\u015fur ve kolayca akar. Pahoehoe lav ak\u0131nt\u0131lar\u0131, geni\u015f alanlar\u0131 kaplayabilir ve karma\u015f\u0131k desenler olu\u015fturabilir.<\/li>\n<li><strong>Aa Lav:<\/strong> Bu t\u00fcr lav, p\u00fcr\u00fczl\u00fc, keskin ve bloklu bir y\u00fczeye sahiptir. Daha y\u00fcksek viskoziteye sahip lavlardan olu\u015fur ve daha yava\u015f akar. Aa lav ak\u0131nt\u0131lar\u0131, hareket ederken \u00e7\u0131t\u0131rt\u0131lar ve g\u0131c\u0131rt\u0131lar \u00e7\u0131kar\u0131r.<\/li>\n<li><strong>Blok Lav:<\/strong> Bu t\u00fcr lav, b\u00fcy\u00fck, k\u00f6\u015feli bloklardan olu\u015fur. Y\u00fcksek viskoziteye sahip andezitik veya riyolitik lavlardan olu\u015fur ve \u00e7ok yava\u015f akar.<\/li>\n<li><strong>Yast\u0131k Lav:<\/strong> Bu t\u00fcr lav, su alt\u0131nda meydana gelen volkanik patlamalar sonucu olu\u015fur. Lav, suyla temas etti\u011finde h\u0131zla so\u011fur ve yast\u0131k \u015feklini al\u0131r. Yast\u0131k lavlar, genellikle okyanus tabanlar\u0131nda ve su alt\u0131 volkanlar\u0131nda bulunur.<\/li>\n<\/ul>\n<h2><strong>Lav\u0131n Olu\u015fturdu\u011fu Volkanik Yap\u0131lar<\/strong><\/h2>\n<ul>\n<li><strong>Koniler:<\/strong> Lav ak\u0131nt\u0131lar\u0131 ve di\u011fer volkanik malzemelerin birikmesiyle olu\u015fan konik \u015feklindeki yap\u0131lar. Koniler, bazaltik lav ak\u0131nt\u0131lar\u0131ndan olu\u015fabilece\u011fi gibi, daha viskoz lavlar\u0131n birikmesiyle de olu\u015fabilir.<\/li>\n<li><strong>Kalkan Volkanlar\u0131:<\/strong> Geni\u015f, yass\u0131, kalkan \u015feklindeki volkanlar. D\u00fc\u015f\u00fck viskoziteye sahip bazaltik lavlar\u0131n uzun s\u00fcre boyunca akmas\u0131yla olu\u015fur. Hawaii adalar\u0131ndaki volkanlar, kalkan volkanlar\u0131na \u00f6rnektir.<\/li>\n<li><strong>Tabakal\u0131 Volkanlar (Stratovolkanlar):<\/strong> Dik yama\u00e7l\u0131, konik \u015feklindeki volkanlar. Lav ak\u0131nt\u0131lar\u0131, k\u00fcl, c\u00fcruf ve di\u011fer volkanik malzemelerin katmanlar halinde birikmesiyle olu\u015fur. Stratovolkanlar, genellikle patlay\u0131c\u0131 patlamalarla ili\u015fkilidir.<\/li>\n<li><strong>Kalderalar:<\/strong> Volkanik patlama veya \u00e7\u00f6kme sonucu olu\u015fan geni\u015f, krater benzeri \u00e7ukurlar. Kalderalar, b\u00fcy\u00fck miktarda magma bo\u015fald\u0131ktan sonra volkanik koninin \u00e7\u00f6kmesiyle olu\u015fabilir.<\/li>\n<\/ul>\n<h2><strong>Lav\u0131n Etkileri<\/strong><\/h2>\n<ul>\n<li><strong>Y\u0131k\u0131c\u0131 Etkiler:<\/strong> Lav ak\u0131nt\u0131lar\u0131, \u00f6n\u00fcne \u00e7\u0131kan her \u015feyi yak\u0131p k\u00fcl edebilir. Evler, bitki \u00f6rt\u00fcs\u00fc ve di\u011fer yap\u0131lar lav ak\u0131nt\u0131lar\u0131 taraf\u0131ndan yok edilebilir. Volkanik patlamalar s\u0131ras\u0131nda atmosfere sal\u0131nan gazlar, zehirli olabilir ve solunum problemlerine yol a\u00e7abilir.<\/li>\n<li><strong>Yap\u0131c\u0131 Etkiler:<\/strong> Lav, so\u011fuduktan sonra verimli topraklar olu\u015fturabilir. Volkanik topraklar, mineraller a\u00e7\u0131s\u0131ndan zengindir ve tar\u0131m i\u00e7in \u00e7ok uygundur. Volkanik aktivite, yeni kara par\u00e7alar\u0131n\u0131n olu\u015fmas\u0131na da katk\u0131da bulunabilir. \u00d6rne\u011fin, Hawaii adalar\u0131, volkanik aktivite sonucu olu\u015fmu\u015ftur.<\/li>\n<li><strong>Jeotermal <a href=\"https:\/\/bestenerji.com.tr\/yenitema\/enerji-tanimi\/\">Enerji<\/a>:<\/strong> Volkanik b\u00f6lgelerde, yeralt\u0131 sular\u0131 \u0131s\u0131narak <a href=\"https:\/\/bestenerji.com.tr\/yenitema\/jeotermal-enerji-tanimi\/\">jeotermal enerji<\/a> kayna\u011f\u0131 olu\u015fturabilir. Jeotermal enerji, <a href=\"https:\/\/bestenerji.com.tr\/yenitema\/elektrik\/\">elektrik<\/a> \u00fcretimi ve \u0131s\u0131tma gibi \u00e7e\u015fitli ama\u00e7lar i\u00e7in kullan\u0131labilir.<\/li>\n<\/ul>\n<h2><strong>Ek Bilgiler<\/strong><\/h2>\n<ul>\n<li>Lav\u0131n s\u0131cakl\u0131\u011f\u0131 ve ak\u0131\u015fkanl\u0131\u011f\u0131, i\u00e7erdi\u011fi <strong>silika<\/strong> miktar\u0131yla ters orant\u0131l\u0131d\u0131r. Silika miktar\u0131 artt\u0131k\u00e7a, lav daha viskoz hale gelir ve daha yava\u015f akar.<\/li>\n<li>Lav\u0131n bile\u015fimi, \u00e7\u0131kt\u0131\u011f\u0131 <strong>magma<\/strong> kayna\u011f\u0131n\u0131n bile\u015fimini yans\u0131t\u0131r. Magma, yerkabu\u011funun alt\u0131nda bulunan erimi\u015f kaya k\u00fctlesidir.<\/li>\n<li>Lav\u0131n so\u011fumas\u0131 ve kat\u0131la\u015fmas\u0131yla olu\u015fan kaya\u00e7lara <strong>ekstr\u00fczif kaya\u00e7lar<\/strong> veya <strong>volkanik kaya\u00e7lar<\/strong> denir. Bazalt, andezit ve riyolit, en yayg\u0131n volkanik kaya\u00e7 t\u00fcrleridir.<\/li>\n<li>Volkanik aktivite, D\u00fcnya&#8217;n\u0131n jeolojik s\u00fcre\u00e7lerinin \u00f6nemli bir par\u00e7as\u0131d\u0131r ve gezegenin evrimi \u00fczerinde \u00f6nemli bir rol oynam\u0131\u015ft\u0131r.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Lav, yery\u00fcz\u00fcne veya su alt\u0131na volkanik patlamalar sonucu ula\u015fan, y\u00fcksek s\u0131cakl\u0131ktaki erimi\u015f kaya k\u00fctlesidir. Bu erimi\u015f kaya k\u00fctlesi, \u00e7o\u011funlukla silikatlar, al\u00fcminyum oksit, demir oksit, magnezyum oksit, kalsiyum oksit ve di\u011fer \u00e7e\u015fitli minerallerden olu\u015fur. Lav, y\u00fczeye ula\u015ft\u0131\u011f\u0131nda h\u0131zla so\u011fumaya ba\u015flar ve kat\u0131la\u015farak \u00e7e\u015fitli volkanik kaya\u00e7lar\u0131 olu\u015fturur. Lavin Temel \u00d6zellikleri Y\u00fcksek S\u0131cakl\u0131k: Lav, tipik olarak 700\u00b0C ile&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-20986","post","type-post","status-publish","format-standard","hentry","category-sozluk-tanim"],"_links":{"self":[{"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/posts\/20986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/comments?post=20986"}],"version-history":[{"count":0,"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/posts\/20986\/revisions"}],"wp:attachment":[{"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/media?parent=20986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/categories?post=20986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestenerji.com.tr\/yenitema\/wp-json\/wp\/v2\/tags?post=20986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}