{"id":938,"date":"2004-12-03T09:34:00","date_gmt":"2004-12-03T08:34:00","guid":{"rendered":"https:\/\/kids.esa.int\/rivers\/"},"modified":"2026-10-08T00:33:59","modified_gmt":"2026-10-07T22:33:59","slug":"rivers","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/nb\/rivers\/","title":{"rendered":"Elver"},"content":{"rendered":"<div class=\"lede\">\n<p>St\u00f8rstedelen av verdens befolkning bor i n\u00e6rheten av elver. De er avhengige av elvene til drikkevann, vask, fiske og vanning av avlinger.<\/p>\n<\/div>\n<p>I avsidesliggende skoger eller \u00f8rkener kan elver v\u00e6re den enkleste m\u00e5ten \u00e5 reise p\u00e5. Det kan bygges demninger for \u00e5 forhindre flom, for \u00e5 vanne n\u00e6rliggende \u00e5krer eller for \u00e5 produsere elektrisitet.<\/p>\n<p>Hvis elvene ikke holdes under kontroll, kan t\u00f8rke eller flom f\u00f8re til katastrofer. Hvert \u00e5r rammes millioner av mennesker av vannmangel eller oversv\u00f8mmelser av hjem og \u00e5krer.<\/p>\n<p>Selv i Europa utgj\u00f8r flom i store elver en trussel mot menneskeliv og for\u00e5rsaker enorme skader p\u00e5 byer og jordbruksarealer. I 2002 for\u00e5rsaket de verste flommene i Europa p\u00e5 mange \u00e5r skader for mer enn 7 milliarder euro.<\/p>\n<p>Meteosat-v\u00e6rsatellittene gir tidlig varsel om kraftige regnbyger, slik at flomvernet kan forberedes. ESAs romfart\u00f8y Envisat og ERS-2 bist\u00e5r redningstjenestene ved \u00e5 ta bilder av oversv\u00f8mte omr\u00e5der, b\u00e5de om dagen og om natten.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"AP Photo\/Denis Farrell\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/11\/Water_in_Africa2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/11\/water_in_africa2\/17895904-2-eng-GB\/Water_in_Africa.jpg\" alt=\"Water in Africa\"><\/figure>\n<p>Satellitter viser ogs\u00e5 de beste stedene \u00e5 grave br\u00f8nner, hvor mye vann det er i jorden og om vannstanden i elvene stiger eller synker. Dette er sv\u00e6rt verdifullt i fattige land der det er vanskelig \u00e5 f\u00e5 tak i slik informasjon.<\/p>\n<p>Siden 2002 har ESAs TIGER-program hjulpet mange afrikanske land med \u00e5 overv\u00e5ke elver og v\u00e5tmarker og utnytte det tilgjengelige vannet p\u00e5 best mulig m\u00e5te.<\/p>","protected":false},"excerpt":{"rendered":"<p>Most of the world\u2019s population live near rivers. They depend on rivers for drinking, washing, fishing and watering crops. In remote forests or deserts, rivers may be the easiest way [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2003\/08\/water_flows_through_dam_diversion_holes2\/18249990-2-eng-GB\/Water_flows_through_dam_diversion_holes.jpg","esa_banner_description":"","esa_banner_credit":"Associated Press, XINHUA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/08\/Water_flows_through_dam_diversion_holes2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[42,10,66],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-938","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-water-world","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/comments?post=938"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/938\/revisions"}],"predecessor-version":[{"id":4748,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/938\/revisions\/4748"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/media?parent=938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/categories?post=938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/tags?post=938"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/panel?post=938"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/language?post=938"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/age?post=938"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/duration?post=938"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/resource_type?post=938"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/audience?post=938"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/wf_post_folders?post=938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}