{"id":18140,"date":"2020-04-18T09:24:33","date_gmt":"2020-04-18T09:24:33","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18140"},"modified":"2020-04-18T09:24:33","modified_gmt":"2020-04-18T09:24:33","slug":"martian-climate-change-ice-caps","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/planetary-science\/martian-climate-change-ice-caps\/","title":{"rendered":"A Mars j\u00e9gtakar\u00f3iban rejt\u0151z\u0151 \u00e9ghajlatv\u00e1ltoz\u00e1si mint\u00e1zatok felt\u00e1r\u00e1sa"},"content":{"rendered":"<h2 class=\"wp-block-heading\">A j\u00e9gtakar\u00f3k, mint az \u00e9ghajlat kr\u00f3nik\u00e1i<\/h2>\n\n<p>A F\u00f6ldh\u00f6z hasonl\u00f3an a Mars is jelent\u0151s \u00e9ghajlati v\u00e1ltoz\u00e1sokat \u00e9lt \u00e1t az id\u0151k folyam\u00e1n. Ezeket a v\u00e1ltoz\u00e1sokat a bolyg\u00f3 p\u00f3lusain tal\u00e1lhat\u00f3 j\u00e9gtakar\u00f3k r\u00f6gz\u00edtik, amelyek a m\u00faltbeli \u00e9ghajlati viszonyok megfagyott arch\u00edvumak\u00e9nt szolg\u00e1lnak.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u00e1lyageometria \u00e9s \u00e9ghajlati ciklusok<\/h2>\n\n<p>A F\u00f6ld \u00e9s a Mars \u00e9ghajlatv\u00e1ltoz\u00e1sait befoly\u00e1sol\u00f3 egyik f\u0151 t\u00e9nyez\u0151 a bolyg\u00f3 p\u00e1lyageometri\u00e1ja. Ez a bolyg\u00f3 tengely\u00e9nek d\u0151l\u00e9ssz\u00f6g\u00e9re \u00e9s a Nap k\u00f6r\u00fcli kering\u00e9s\u00e9nek id\u0151z\u00edt\u00e9s\u00e9re utal. Amikor az \u00e9szaki f\u00e9lteke ny\u00e1ron kev\u00e9sb\u00e9 d\u0151l a Nap fel\u00e9, \u00e9s a bolyg\u00f3 a legmesszebb van a Napt\u00f3l a p\u00e1ly\u00e1j\u00e1n, akkor az eljegesed\u00e9si peri\u00f3dusokhoz kedvez\u0151bbek a felt\u00e9telek.<\/p>\n\n<h2 class=\"wp-block-heading\">A radaros k\u00e9palkot\u00e1sb\u00f3l sz\u00e1rmaz\u00f3 bizony\u00edt\u00e9kok<\/h2>\n\n<p>A tud\u00f3sok radaros k\u00e9palkot\u00f3 technol\u00f3gi\u00e1t alkalmaztak a marsi p\u00f3lussapk\u00e1k j\u00e9gr\u00e9tegeinek tanulm\u00e1nyoz\u00e1s\u00e1ra. Ez a technol\u00f3gia lehet\u0151v\u00e9 teszi sz\u00e1mukra, hogy behatoljanak a j\u00e9gbe, \u00e9s \u00e9szlelj\u00e9k annak \u00f6sszet\u00e9tel\u00e9ben bek\u00f6vetkez\u0151 v\u00e1ltoz\u00e1sokat. Ezek a v\u00e1ltoz\u00e1sok betekint\u00e9st ny\u00fajthatnak a m\u00faltbeli \u00e9ghajlati viszonyokba.<\/p>\n\n<h2 class=\"wp-block-heading\">Szennyezett j\u00e9g \u00e9s \u00e9ghajlati ingadoz\u00e1sok<\/h2>\n\n<p>A marsi p\u00f3lussapk\u00e1k jeg\u00e9ben v\u00e1ltoz\u00f3 mennyis\u00e9g\u0171 szennyez\u0151d\u00e9s \u00e9s por tal\u00e1lhat\u00f3. \u00dagy gondolj\u00e1k, hogy ezeket a szennyez\u0151d\u00e9seket k\u00fcl\u00f6nb\u00f6z\u0151 \u00e9ghajlati id\u0151szakok sor\u00e1n rakt\u00e1k le, amelyekben a l\u00e9gk\u00f6rben v\u00e1ltoz\u00f3 mennyis\u00e9g\u0171 por volt.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u00e9t modell a por felhalmoz\u00f3d\u00e1s\u00e1ra<\/h2>\n\n<p>K\u00e9t f\u0151 modell l\u00e9tezik arra vonatkoz\u00f3an, hogy a por hogyan koncentr\u00e1l\u00f3dik a j\u00e9gben:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u00e1rolg\u00e1si modell:<\/strong> Az intenz\u00edvebb p\u00e1rolg\u00e1s id\u0151szakaiban a j\u00e9g szublim\u00e1l, magasabb koncentr\u00e1ci\u00f3j\u00fa szennyez\u0151d\u00e9st hagyva maga ut\u00e1n.<\/li>\n<li><strong>Porfelhalmoz\u00f3d\u00e1si modell:<\/strong> A l\u00e9gk\u00f6rben megn\u00f6vekedett poraktivit\u00e1s id\u0151szakaiban t\u00f6bb por hullik a j\u00e9gre, ami magasabb szennyez\u0151d\u00e9startalomhoz vezet.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">A radar visszaver\u0151k\u00e9pess\u00e9ge \u00e9s a porfelhalmoz\u00f3d\u00e1s<\/h2>\n\n<p>A radaros k\u00e9palkot\u00f3 adatok al\u00e1t\u00e1masztj\u00e1k a porfelhalmoz\u00f3d\u00e1si modellt. A radarral \u00e9szlelt j\u00e9gr\u00e9tegek visszaver\u0151k\u00e9pess\u00e9g\u00e9t a szennyez\u0151d\u00e9startalom k\u00fcl\u00f6nbs\u00e9gei befoly\u00e1solj\u00e1k.<\/p>\n\n<h2 class=\"wp-block-heading\">Kih\u00edv\u00e1sok a konkr\u00e9t j\u00e9gkorszakok \u00f6sszekapcsol\u00e1s\u00e1ban<\/h2>\n\n<p>Mik\u00f6zben a radaradatok bizony\u00edt\u00e9kot szolg\u00e1ltatnak az \u00e9ghajlatv\u00e1ltoz\u00e1sra, jelenleg t\u00fal durv\u00e1k ahhoz, hogy a j\u00e9gr\u00e9tegek konkr\u00e9t jellemz\u0151it konkr\u00e9t marsi \u201ej\u00e9gkorszakokhoz\u201d k\u00f6ss\u00e9k.<\/p>\n\n<h2 class=\"wp-block-heading\">L\u00e1tv\u00e1nyos radareredm\u00e9nyek<\/h2>\n\n<p>Ezen korl\u00e1toz\u00e1s ellen\u00e9re a radaros k\u00e9palkot\u00f3 technol\u00f3gia l\u00e1tv\u00e1nyos eredm\u00e9nyeket hozott. A tud\u00f3sok k\u00e9pesek voltak felt\u00e9rk\u00e9pezni a folyamatos f\u00f6ld alatti j\u00e9gr\u00e9tegeket h\u00e1rom dimenzi\u00f3ban a marsi p\u00f3lussapka hatalmas ter\u00fclet\u00e9n.<\/p>\n\n<h2 class=\"wp-block-heading\">A Mars \u00e9ghajlati t\u00f6rt\u00e9net\u00e9nek felt\u00e1r\u00e1sa<\/h2>\n\n<p>A marsi j\u00e9gtakar\u00f3k tanulm\u00e1nyoz\u00e1sa \u00e9rt\u00e9kes betekint\u00e9st ny\u00fajt a bolyg\u00f3 m\u00faltbeli \u00e9ghajlat\u00e1ba. A j\u00e9g\u00f6sszet\u00e9tel \u00e9s szerkezet v\u00e1ltoz\u00e1sainak elemz\u00e9s\u00e9vel a tud\u00f3sok r\u00e9szletes t\u00f6rt\u00e9netet \u00e1ll\u00edthatnak \u00f6ssze a marsi \u00e9ghajlatv\u00e1ltoz\u00e1sr\u00f3l, ami seg\u00edt meg\u00e9rten\u00fcnk, hogy a bolyg\u00f3 hogyan fejl\u0151d\u00f6tt az id\u0151k sor\u00e1n.<\/p>\n\n<h2 class=\"wp-block-heading\">Tov\u00e1bbi inform\u00e1ci\u00f3k:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>L\u00e1togasson el a NASA webhely\u00e9re a tanulm\u00e1nyr\u00f3l \u00e9s a p\u00f3lussapka radaradatainak tov\u00e1bbi k\u00e9peir\u0151l.<\/li>\n<li>Tudjon meg t\u00f6bbet a Mars Reconnaissance Orbiter sek\u00e9ly radar m\u0171szer\u00e9r\u0151l.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>A j\u00e9gtakar\u00f3k, mint az \u00e9ghajlat kr\u00f3nik\u00e1i A F\u00f6ldh\u00f6z hasonl\u00f3an a Mars is jelent\u0151s \u00e9ghajlati v\u00e1ltoz\u00e1sokat \u00e9lt \u00e1t az id\u0151k folyam\u00e1n. Ezeket a v\u00e1ltoz\u00e1sokat a bolyg\u00f3 p\u00f3lusain tal\u00e1lhat\u00f3 j\u00e9gtakar\u00f3k r\u00f6gz\u00edtik, amelyek&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[985],"tags":[815,7756,23720,23721,434],"class_list":["post-18140","post","type-post","status-publish","format-standard","hentry","category-planetary-science","tag-planetary-science","tag-ice-caps","tag-martian-climate-change","tag-radar-imaging","tag-space-exploration"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=18140"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18140\/revisions"}],"predecessor-version":[{"id":18141,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18140\/revisions\/18141"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=18140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=18140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=18140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}