{"id":10294,"date":"2024-04-09T22:47:33","date_gmt":"2024-04-09T20:47:33","guid":{"rendered":"https:\/\/geopard.tech\/?p=10294"},"modified":"2024-04-09T22:47:33","modified_gmt":"2024-04-09T20:47:33","slug":"pasaulio-druskingu-dirvozemiu-kartografavimas-naudojant-nuotolinio-stebejimo-technologijas","status":"publish","type":"post","link":"https:\/\/geopard.tech\/lt\/blog\/mapping-worlds-salted-soils-using-remote-sensing-technologies\/","title":{"rendered":"Pasaulio drusking\u0173 dirvo\u017eemi\u0173 kartografavimas naudojant nuotolinio steb\u0117jimo technologijas"},"content":{"rendered":"<p>Tyr\u0117j\u0173 komanda suk\u016br\u0117 metod\u0105, kuris \u012fsp\u016bdingu tikslumu \u2013 iki 10 metr\u0173 \u2013 matuoja dirvo\u017eemio druskingum\u0105 visame pasaulyje. \u0160is patobulinimas patenkina esmin\u012f tiksli\u0173 dirvo\u017eemio druskingumo \u012fvertinim\u0173 poreik\u012f \u2013 tai yra svarbi problema, turinti \u012ftakos \u017eem\u0117s \u016bkio produktyvumui ir dirvo\u017eemio sveikatai visame pasaulyje.<\/p>\n<p>Dirvo\u017eemio druskingumas, tam tikra \u017eem\u0117s degradacijos r\u016b\u0161is, paveikia daugiau nei 1 milijard\u0105 hektar\u0173 visame pasaulyje ir kenkia \u017eem\u0117s \u016bkio produktyvumui bei aplinkos sveikatai. Ankstesn\u0117s dirvo\u017eemio druskingumo \u017eem\u0117lapi\u0173 sudarymo pastangos susid\u016br\u0117 su i\u0161\u0161\u016bkiais d\u0117l ma\u017eo turim\u0173 duomen\u0173 detalumo ir sunkum\u0173 parodant nuolatinius dirvo\u017eemio druskingumo lygio poky\u010dius.<\/p>\n<p>Pripa\u017eindama \u0161iuos i\u0161\u0161\u016bkius, tyr\u0117j\u0173 komanda \u0117m\u0117si kurti model\u012f, kuriame naudojami \u201eSentinel-1\/2\u201c vaizdai, klimato duomenys, reljefo informacija ir pa\u017eang\u016bs ma\u0161ininio mokymosi algoritmai. J\u0173 tikslas buvo \u012fvertinti dirvo\u017eemio drusk\u0173 kiek\u012f penkiuose klimato regionuose.<\/p>\n<p>Rezultatai buvo paskelbti 2024 m. kovo 28 d. \u017eurnale \u201eJournal of Remote Sensing\u201c paskelbtame straipsnyje. \u0160iame tyrime pristatoma naujov\u0117, kuri efektyviai sujungia kampinius spiralinius kanalus su periodiniais susitraukimo-i\u0161pl\u0117timo matricomis.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"10301\" data-permalink=\"https:\/\/geopard.tech\/lt\/blog\/mapping-worlds-salted-soils-using-remote-sensing-technologies\/global-soil-salinity-estimation-at-10-m-using-multi-source-remote-sensing\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?fit=1280%2C626&amp;ssl=1\" data-orig-size=\"1280,626\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Global Soil Salinity Estimation at 10 m Using Multi-Source Remote Sensing\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?fit=1024%2C501&amp;ssl=1\" class=\"aligncenter wp-image-10301 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?resize=810%2C396&#038;ssl=1\" alt=\"Visuotinis dirvo\u017eemio druskingumo \u012fvertinimas 10 m atstumu naudojant nuotolinius tyrimus i\u0161 keli\u0173 \u0161altini\u0173\" width=\"810\" height=\"396\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?resize=300%2C147&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?resize=1024%2C501&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?resize=768%2C376&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2024\/04\/Global-Soil-Salinity-Estimation-at-10-m-Using-Multi-Source-Remote-Sensing.jpg?resize=1200%2C587&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>\u0160i\u0173 pastang\u0173 pagrindas \u2013 duomen\u0173 i\u0161 \u012fvairi\u0173 nuotolinio steb\u0117jimo technologij\u0173, ypa\u010d pa\u017eangi\u0173 \u201eSentinel-1\/2\u201c palydov\u0173, integravimas kartu su strateginiu ma\u0161ininio mokymosi algoritm\u0173 panaudojimu. \u0160is metodas l\u0117m\u0117 pa\u017eangaus modelio, galin\u010dio tiksliai \u2013 10 metr\u0173 skiriam\u0105ja geba \u2013 net ir esant skirtingoms klimato s\u0105lygoms, suk\u016brim\u0105.<\/p>\n<p>\u0160is novatori\u0161kas metodas gerokai per\u017eengia ankstesni\u0173 bandym\u0173 ribas, kurias ribojo ma\u017eesn\u0117 skiriamoji geba ir siauresnis d\u0117mesys dirvo\u017eemio druskingumo analizei. M\u016bs\u0173 atsidavusi tyr\u0117j\u0173 komanda surinko did\u017eiul\u012f duomen\u0173 rinkin\u012f, apimant\u012f pasaulinius klimato modelius, tikslius dirvo\u017eemio druskingumo matavimus \u017eem\u0117s lygyje ir i\u0161sam\u0173 geoprini\u0173 kintam\u0173j\u0173 rinkin\u012f.<\/p>\n<p>Pasitelk\u0119s \u201eRandom Forest\u201c algoritm\u0105, modelis ne tik puikiai prognozuoja dirvo\u017eemio druskingum\u0105 su ne\u012ftik\u0117tinu tikslumu, bet ir nu\u0161vie\u010dia esmin\u012f klimato, gruntinio vandens lygio ir druskingumo indeks\u0173 vaidmen\u012f formuojant dirvo\u017eemio druskingumo kra\u0161tovaizd\u017eius. \u0160i pa\u017eanga \u017eymi \u017eingsn\u012f \u012f priek\u012f siekiant steb\u0117ti ir valdyti dirvo\u017eemio sveikat\u0105 pasauliniu mastu.<\/p>\n<p>Pagrindinis tyr\u0117jas profesorius Zhou Shi teig\u0117: \u201c\u0160is tyrimas yra reik\u0161minga pa\u017eanga m\u016bs\u0173 geb\u0117jime \u012fvertinti ir spr\u0119sti dirvo\u017eemio druskingumo problem\u0105 pasauliniu mastu. Integruodami palydovinius vaizdus su ma\u0161ininiu mokymusi, dabar galime tiksliai ir detaliai nustatyti druskingus dirvo\u017eemius, suteikdami ne\u012fkainojam\u0173 \u012f\u017evalg\u0173 apie tvari\u0105 \u017eem\u0117s \u016bkio ir \u017eem\u0117s \u016bkio praktik\u0105.\u201d<\/p>\n<p>Naujausi tyrimai pareng\u0117 didel\u0117s skiriamosios gebos pasaulin\u012f dirvo\u017eemio druskingumo \u017eem\u0117lap\u012f. \u0160is \u017eem\u0117lapis yra vertinga priemon\u0117 tiek mokslininkams, tiek politikos formuotojams, tiek \u016bkininkams. Jis padeda jiems veiksmingai spr\u0119sti dirvo\u017eemio druskingumo problemas. Nustat\u0119 didelio druskingumo sritis, jie gali imtis tikslini\u0173 veiksm\u0173 dirvo\u017eemio sveikatai atkurti.<\/p>\n<p>Be to, tai padeda \u012fgyvendinti tvari\u0105 \u017eem\u0117s \u016bkio praktik\u0105 ir planuoti i\u0161tekli\u0173 valdymo strategijas. Be to, \u0161iame tyrime taikoma metodologija nustato nauj\u0105 aplinkos monitoringo standart\u0105, kur\u012f galima pritaikyti atliekant kitus \u017eem\u0117s degradacijos vertinimus.<\/p>\n<hr \/>\n<p><strong>Daugiau informacijos<\/strong>Nan Wang ir kt., Visuotinis dirvo\u017eemio druskingumo \u012fvertinimas 10 m atstumu naudojant nuotolin\u012f steb\u0117jim\u0105 i\u0161 keli\u0173 \u0161altini\u0173, \u201eJournal of Remote Sensing\u201c (2024). DOI: 10.34133\/remotesensing.0130<\/p>","protected":false},"excerpt":{"rendered":"<p>Tyr\u0117j\u0173 komanda suk\u016br\u0117 metod\u0105, kuris \u012fsp\u016bdingu tikslumu \u2013 iki 10 metr\u0173 \u2013 matuoja dirvo\u017eemio druskingum\u0105 visame pasaulyje. \u0160is\u2026<\/p>","protected":false},"author":210157960,"featured_media":10296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1378],"tags":[],"class_list":["post-10294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-remote-sensing"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mapping World\u2019s Salted Soils Using Remote Sensing Technologies - GeoPard Agriculture<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geopard.tech\/lt\/tinklarastis\/pasaulio-druskingu-dirvozemiu-kartografavimas-naudojant-nuotolinio-stebejimo-technologijas\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mapping World\u2019s Salted Soils Using Remote Sensing Technologies - GeoPard Agriculture\" \/>\n<meta property=\"og:description\" content=\"A team of researchers has created a technique that measures the soil salt content across the globe with impressive precision, down to 10 meters. 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