{"id":447,"date":"2017-05-17T10:13:00","date_gmt":"2017-05-17T08:13:00","guid":{"rendered":"https:\/\/kids.esa.int\/satnav_technology_could_save_precious_water\/"},"modified":"2026-10-08T00:28:19","modified_gmt":"2026-10-07T22:28:19","slug":"satnav_technology_could_save_precious_water","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/satnav_technology_could_save_precious_water\/","title":{"rendered":"Tehnologia sistemelor de naviga\u021bie prin satelit ar putea contribui la economisirea apei pre\u021bioase"},"content":{"rendered":"<div class=\"lede\">\n<p>Un grup de fermieri din SUA se confrunt\u0103 cu o problem\u0103: de mul\u021bi ani folosesc cantit\u0103\u021bi mari de ap\u0103 pentru a cultiva plante pe c\u00e2mpuri imense, dar acum rezervele lor de ap\u0103 se epuizeaz\u0103. Ajutorul ar putea veni dintr-o tehnologie derivat\u0103 din programele ESA, care ar putea contribui la conservarea rezervelor de ap\u0103, asigur\u00e2ndu-se \u00een acela\u0219i timp c\u0103 culturile nu r\u0103m\u00e2n f\u0103r\u0103 ap\u0103!<\/p>\n<\/div>\n<p>Planul a fost conceput de un fost angajat al ESA, pe nume Javier Marti. El a observat c\u0103 unele c\u00e2mpuri sunt irigate \u00een exces, ceea ce reprezint\u0103 o mare risip\u0103. Ar putea exista o modalitate de a folosi sateli\u021bii pentru a identifica c\u00e2mpurile care au cu adev\u0103rat nevoie de ap\u0103? Javier crede c\u0103 da!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1180\" data-credit=\"Google Earth\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/Circular_fields_as_seen_from_space\" 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\/2017\/05\/circular_fields_as_seen_from_space\/17903122-2-eng-GB\/Circular_fields_as_seen_from_space.jpg\" alt=\"Circular fields as seen from space\"><figcaption>C\u00e2mpuri circulare v\u0103zute din spa\u021biu<\/figcaption><\/figure>\n<p>Satelitele care orbiteaz\u0103 \u00een jurul P\u0103m\u00e2ntului, folosite de obicei pentru a ajuta oamenii s\u0103-\u0219i g\u0103seasc\u0103 drumul cu ajutorul sistemelor de naviga\u021bie prin satelit, reprezint\u0103 cheia. Analiz\u00e2nd semnalele reflectate de sistemele de naviga\u021bie prin satelit, Javier a descoperit c\u0103 este posibil s\u0103 se m\u0103soare cantitatea de ap\u0103 existent\u0103 la sol: \u00een sol, z\u0103pad\u0103, zone umede \u0219i chiar nivelul apei din rezervoare. Aceste semnale pot indica care c\u00e2mpuri au nevoie de irigare \u0219i care sunt \u00een regul\u0103 a\u0219a cum sunt.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Divirod\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/Irrigation_systems_like_this_sprinkle_water_over_fields\" 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\/2017\/05\/irrigation_systems_like_this_sprinkle_water_over_fields\/18248067-2-eng-GB\/Irrigation_systems_like_this_sprinkle_water_over_fields.jpg\" alt=\"Irrigation systems like this sprinkle water over fields\"><figcaption>Sistemele de iriga\u021bii de acest tip \u00eempr\u0103\u0219tie ap\u0103 peste c\u00e2mpuri<\/figcaption><\/figure>\n<p>\u00cen urm\u0103toarele c\u00e2teva luni, mai mul\u021bi fermieri vor folosi aceste date pentru a controla cantitatea de ap\u0103 cu care \u00ee\u0219i ud\u0103 c\u00e2mpurile. Se sper\u0103 c\u0103 aceast\u0103 metod\u0103 mai eficient\u0103 le va permite s\u0103 economiseasc\u0103 30% din apa pe care o folosesc \u00een mod obi\u0219nuit. Ca un bonus suplimentar, culturile ar putea cre\u0219te chiar mai bine, deoarece vor primi cantitatea perfect\u0103 de ap\u0103!<\/p>\n<p>Dac\u0103 ideea lui Javier va da roade, ar putea fi pus\u0103 \u00een practic\u0103 la nivel mondial pentru a contribui la economisirea apei, totul datorit\u0103 sateli\u021bilor care se afl\u0103 deja pe orbita P\u0103m\u00e2ntului.<\/p>\n<p><b>Un fapt interesant:<\/b> Analiza semnalelor reflectate de sistemele de naviga\u021bie prin satelit reprezint\u0103 o tehnologie revolu\u021bionar\u0103, iar \u00een urm\u0103torii ani s-ar putea s\u0103 vedem mult mai multe aplica\u021bii ale acesteia!<\/p>","protected":false},"excerpt":{"rendered":"<p>A group of farmers in the USA have a problem: for many years they have been using large amounts of water to grow crops in huge fields, but now their [&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\/2017\/05\/farmers_need_a_lot_of_water_for_their_crops\/17880698-2-eng-GB\/Farmers_need_a_lot_of_water_for_their_crops.jpg","esa_banner_description":"Farmers need a lot of water for their crops","esa_banner_credit":"Navtronics BVBA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/Farmers_need_a_lot_of_water_for_their_crops","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-447","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=447"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/447\/revisions"}],"predecessor-version":[{"id":4483,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/447\/revisions\/4483"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=447"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=447"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=447"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=447"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=447"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=447"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=447"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}