{"id":33,"date":"2024-04-04T06:13:48","date_gmt":"2024-04-04T03:13:48","guid":{"rendered":"https:\/\/sisu.ut.ee\/eestigeol\/aluspohi\/"},"modified":"2024-04-04T06:14:06","modified_gmt":"2024-04-04T03:14:06","slug":"aluspohi","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/eestigeol\/aluspohi\/","title":{"rendered":"Alusp\u00f5hja reljeef"},"content":{"rendered":"\n\n\n
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\n\t\t\t\t\tAlusp\u00f5hja pealispinna reljeefi suurvormid kujunesid v\u00e4lja Kvaternaarieelsel pikal kulutusperioodil (joonis). Alusp\u00f5hja l\u00f5ikuvad s\u00fcgavad\u00a0mattunud orud<\/b>, mis markeerivad j\u00e4\u00e4ajaeelset j\u00f5gedev\u00f5rku: P\u00f5hja-Eestis piki t\u00e4nast Soome lahte kulgenud \u00dcrg-Neeva ning L\u00f5una-Eestis \u00dcrg-Daugava. Nende mattunud orgude p\u00f5hi asub t\u00e4nap\u00e4eval 10-80 meetrit allpool merepinda, seega \u00fcletab nende s\u00fcgavus 100 meetrit (Tavast ja Raukas, 1982).\n\t\t\t\t<\/p>\n

\n\t\t\t\t\tOluliselt kujundasid alusp\u00f5hja pealispinda Kvaternaari mandriliustikud, mis kandsid minema hinnanguliselt mitmek\u00fcmne meetri paksuse setendite kihi. Liustike tegevusena on reljeef \u00fcldiselt tasandunud, kuid samaaegselt kulutasid liustikukeeled v\u00e4lja ka uusi alusp\u00f5hjalisi pinnavorme \u2013 nt j\u00e4\u00e4kulutusn\u00f5od, silekaljud ja kaljuvoored, pisivormidest j\u00e4\u00e4kriimud (fotod) ja j\u00e4\u00e4k\u00fcndevaod.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\t\t\t\t\t\"aluspohja_relj\"
Joonis. Alusp\u00f5hja reljeef (Tavast ja Raukas, 1982<\/a>)<\/p>\n

\n\t\t\t\t\t1 \u2013 samak\u00f5rgusjooned; 2 \u2013 vana org; 3 \u2013 astang; 4 \u2013 reljeefi suur- ja keskvormi piir
Reljeefi suurvormid: I \u2013 Soome lahe n\u00f5gu; II \u2013 L\u00e4\u00e4ne-Eesti tasandik; III \u2013 Viru-Harju lavamaa;\u00a0IV \u2013 Devoni\u00a0lavamaa; V \u2013 Kesk-Eesti ja V\u00f5rtsj\u00e4rve n\u00f5gu; VI \u2013 Peipsi-Pihkva n\u00f5gu; VII \u2013 Valga tasandik ja V\u00f5ru-Piusa n\u00f5gu
Reljeefi keskvormid: II-1 \u2013 Kesk-Saaremaa k\u00f5rgustik; II-2 \u2013 S\u00f5rve n\u00f5gu; II-3 \u2013 N\u00f5va n\u00f5gu;\u00a0II-4 \u2013 Noarootsi\u00a0n\u00f5gu; II-5 \u2013 V\u00e4inamere n\u00f5gu; II-6 \u2013 Matsalu n\u00f5gu; II-7 \u2013 P\u00e4rnu n\u00f5gu;\u00a0III-1 \u2013 Pandivere\u00a0k\u00f5rgustik; III-2 \u2013 J\u00f5hvi (Ahtme) k\u00f5rgendik; IV-1 \u2013 Kokora saarlava;\u00a0IV-2 \u2013 L\u00f5una-Sakala k\u00f5rgustik; IV-3 \u2013 Otep\u00e4\u00e4 k\u00f5rgustik; IV-4 \u2013 Karula k\u00f5rgendik; IV-5 \u2013 Haanja k\u00f5rgustik\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\u00a0
\"alusp_relj2\"
Foto 1. J\u00e4\u00e4 kriimud Siluri lademe lubjakivil\n<\/p>\n

\n\t\"alusp_relj2\"
Foto 2. J\u00e4\u00e4 kriimud Ordoviitsiumi lademe lubjakivil<\/p>\n","protected":false},"excerpt":{"rendered":"

Alusp\u00f5hja pealispinna reljeefi suurvormid kujunesid v\u00e4lja Kvaternaarieelsel pikal kulutusperioodil (joonis). Alusp\u00f5hja l\u00f5ikuvad s\u00fcgavad\u00a0mattunud orud, mis markeerivad j\u00e4\u00e4ajaeelset j\u00f5gedev\u00f5rku: P\u00f5hja-Eestis piki t\u00e4nast Soome lahte kulgenud \u00dcrg-Neeva ning L\u00f5una-Eestis \u00dcrg-Daugava. Nende mattunud orgude p\u00f5hi asub t\u00e4nap\u00e4eval 10-80 meetrit allpool merepinda, seega \u00fcletab …<\/p>\n","protected":false},"author":226,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-33","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/pages\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/users\/226"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/comments?post=33"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/pages\/33\/revisions"}],"predecessor-version":[{"id":184,"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/pages\/33\/revisions\/184"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/eestigeol\/wp-json\/wp\/v2\/media?parent=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}