{"id":8964,"date":"2024-01-07T16:09:27","date_gmt":"2024-01-07T16:09:27","guid":{"rendered":"https:\/\/dailyai.com\/?p=8964"},"modified":"2024-01-07T18:19:46","modified_gmt":"2024-01-07T18:19:46","slug":"researchers-map-the-oceans-to-uncover-dark-vessels-and-offshore-structures","status":"publish","type":"post","link":"https:\/\/dailyai.com\/it\/2024\/01\/researchers-map-the-oceans-to-uncover-dark-vessels-and-offshore-structures\/","title":{"rendered":"I ricercatori mappano gli oceani per scoprire \"navi oscure\" e strutture offshore"},"content":{"rendered":"<p><b>I ricercatori hanno scoperto le attivit\u00e0 marittime globali utilizzando le reti neurali per analizzare le immagini satellitari e radar.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Questo studio, pubblicato su <\/span><a href=\"https:\/\/www.nature.com\/articles\/s41586-023-06825-8\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Natura<\/span><\/a><span style=\"font-weight: 400;\"> e guidato da Fernando Paolo di <\/span><a href=\"https:\/\/globalfishingwatch.org\/press-release\/new-research-harnesses-ai-and-satellite-imagery-to-reveal-the-expanding-footprint-of-human-activity-at-sea\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Osservatorio globale della pesca<\/span><\/a><span style=\"font-weight: 400;\">, un'organizzazione no-profit con sede a Washington DC, rivela che tre quarti dei grandi pescherecci del mondo e un quarto delle navi per il trasporto e l'energia operano come \"navi oscure\", non condividendo pubblicamente la loro posizione.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fernando Paolo ha spiegato: \"Storicamente, l'attivit\u00e0 delle imbarcazioni \u00e8 stata scarsamente documentata, limitando la nostra comprensione di come viene utilizzata la pi\u00f9 grande risorsa pubblica del mondo, l'oceano\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\"Avevamo l'idea che ci stessimo perdendo una grossa fetta dell'attivit\u00e0 che si svolge nell'oceano, ma non sapevamo quanto. E abbiamo scoperto che \u00e8 molto pi\u00f9 di quanto immaginassimo\".\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Utilizzando dati che vanno dal 2017 al 2021, il team ha analizzato immagini GPS, satellitari e radar delle aree costiere dove tendono a concentrarsi le principali attivit\u00e0 di pesca e industriali. Essi<\/span><span style=\"font-weight: 400;\">\u00a0ha addestrato pi\u00f9 reti neurali per individuare e classificare le imbarcazioni e le strutture offshore all'interno di queste immagini.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L'analisi che ne \u00e8 scaturita ha mostrato che la maggior parte delle circa 63.000 imbarcazioni monitorate non utilizzava in modo coerente i sistemi di identificazione automatica, sollevando preoccupazioni su attivit\u00e0 illegali come la pesca non regolamentata.\u00a0<\/span><\/p>\n<figure id=\"attachment_8969\" aria-describedby=\"caption-attachment-8969\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8969 size-large\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-1024x513.png\" alt=\"Pesca AI\" width=\"1024\" height=\"513\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-1024x513.png 1024w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-300x150.png 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-768x385.png 768w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-1536x770.png 1536w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-2048x1026.png 2048w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-370x185.png 370w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-800x401.png 800w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-740x371.png 740w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-20x10.png 20w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-1600x802.png 1600w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map1-96x48.png 96w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8969\" class=\"wp-caption-text\">Mappatura dell'impronta di varie infrastrutture offshore. Fonte: <a href=\"https:\/\/www.nature.com\/articles\/s41586-023-06825-8\">Natura<\/a>.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Un'intelligenza artificiale \u00e8 stata addestrata specificamente per distinguere i pescherecci in base ai loro modelli di viaggio e alle loro posizioni, trovando che da 42 a 49% delle imbarcazioni erano classificate come pescherecci.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La coautrice dello studio, Jennifer Raynor, professore assistente di economia delle risorse naturali presso l'Universit\u00e0 del Wisconsin-Madison, ha dichiarato: \"Rivelando i pescherecci oscuri, abbiamo creato il quadro pubblico pi\u00f9 completo della pesca industriale globale disponibile\".\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Inoltre, lo studio ha identificato 28.000 strutture offshore, tra cui quelle coinvolte nell'energia eolica e nella produzione di petrolio, con un notevole aumento delle turbine eoliche offshore.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Il numero di strutture petrolifere \u00e8 aumentato di 16% durante il periodo di studio, ma soprattutto il numero di turbine eoliche \u00e8 pi\u00f9 che raddoppiato, superando le piattaforme petrolifere entro il 2021.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La crescita dell'energia eolica offshore \u00e8 stata particolarmente pronunciata in Cina, che ha registrato un aumento di nove volte dal 2017 al 2021.<\/span><\/p>\n<figure id=\"attachment_8970\" aria-describedby=\"caption-attachment-8970\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8970 size-large\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-1024x408.png\" alt=\"Pesca AI\" width=\"1024\" height=\"408\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-1024x408.png 1024w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-300x119.png 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-768x306.png 768w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-1536x611.png 1536w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-2048x815.png 2048w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-370x147.png 370w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-800x318.png 800w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-740x295.png 740w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-20x8.png 20w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-1600x637.png 1600w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/map2-121x48.png 121w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8970\" class=\"wp-caption-text\">Nel periodo di studio si \u00e8 registrato un forte aumento delle turbine eoliche. Fonte: <a href=\"https:\/\/www.nature.com\/articles\/s41586-023-06825-8\">Natura<\/a>.<\/figcaption><\/figure>\n<h2><span style=\"font-weight: 400;\">Per saperne di pi\u00f9 sullo studio<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Lo studio condotto da Global Fishing Watch ha mappato le attivit\u00e0 industriali in mare con l'aiuto delle reti neurali. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ecco ulteriori informazioni su come ha funzionato:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Raccolta e integrazione dei dati<\/b><span style=\"font-weight: 400;\">: Tra il 2017 e il 2021, il team ha raccolto una grande quantit\u00e0 di dati, tra cui 2 petabyte di immagini satellitari, dati GPS delle imbarcazioni e modelli di deep learning. Questi dati coprono le acque costiere del mondo, dove si concentrano oltre 75% di attivit\u00e0 industriali.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sviluppo di modelli di apprendimento profondo<\/b><span style=\"font-weight: 400;\">: Hanno sviluppato tre reti neurali convoluzionali profonde. Queste reti sono state progettate per compiti specifici: l'identificazione di oggetti e la stima della loro lunghezza con un'elevata precisione, la classificazione delle infrastrutture offshore in categorie come petrolio, vento e altre strutture e la distinzione tra imbarcazioni da pesca e non.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Analisi delle immagini satellitari e dei dati GPS delle imbarcazioni<\/b><span style=\"font-weight: 400;\">: I ricercatori hanno analizzato le immagini satellitari per individuare le imbarcazioni e le strutture offshore e hanno poi confrontato questi risultati con i dati GPS delle imbarcazioni che trasmettono pubblicamente la loro posizione. Ci\u00f2 ha rivelato che una parte significativa dei pescherecci industriali (da 72 a 76%) e di altre imbarcazioni (da 21 a 30%) non \u00e8 stata tracciata pubblicamente.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Mappatura e attivit\u00e0<\/b><span style=\"font-weight: 400;\">: Il team ha mappato le attivit\u00e0 navali e le infrastrutture energetiche offshore, evidenziando la distribuzione e la concentrazione di queste attivit\u00e0 nelle acque costiere. Hanno scoperto che l'attivit\u00e0 di pesca \u00e8 diminuita significativamente durante la pandemia COVID-19, mentre le attivit\u00e0 delle imbarcazioni per il trasporto e l'energia sono rimaste relativamente stabili.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Valutazione dell'impatto ambientale<\/b><span style=\"font-weight: 400;\">Infine, i ricercatori hanno identificato i potenziali punti caldi per la pesca illegale e quantificato l'entit\u00e0 delle attivit\u00e0 navali, compresa la rapida crescita delle infrastrutture eoliche offshore, che hanno superato il numero di strutture petrolifere entro il 2021.\u00a0<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">I ricercatori sperano che questa mappa possa ora aiutare a gestire e comprendere le future attivit\u00e0 umane nell'oceano.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Come afferma il coautore Patrick Halpin, professore di ecologia geospaziale marina alla Duke University, \"l'impronta dell'Antropocene non \u00e8 pi\u00f9 limitata alla terraferma\", il che significa che l'attivit\u00e0 umana in quest'epoca \u00e8 penetrata in ogni angolo del pianeta. <\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>I ricercatori hanno scoperto le attivit\u00e0 marittime globali utilizzando le reti neurali per analizzare le immagini satellitari e radar.  Lo studio, pubblicato su Nature e guidato da Fernando Paolo di Global Fishing Watch, un'organizzazione no-profit con sede a Washington DC, rivela che tre quarti dei grandi pescherecci del mondo e un quarto delle navi per il trasporto e l'energia operano come \"navi oscure\", non condividendo pubblicamente la loro posizione. Fernando Paolo ha spiegato: \"Storicamente, l'attivit\u00e0 delle navi \u00e8 stata scarsamente documentata, limitando la nostra comprensione di come viene utilizzata la pi\u00f9 grande risorsa pubblica del mondo, l'oceano\".  Avevamo l'idea che ci mancasse una grossa fetta dell'attivit\u00e0 che si svolge nell'oceano\".<\/p>","protected":false},"author":2,"featured_media":8966,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[105],"class_list":["post-8964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics","tag-machine-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researchers map the oceans to uncover &#039;dark vessels&#039; and offshore structures | DailyAI<\/title>\n<meta name=\"description\" content=\"Researchers have uncovered insights into global maritime activities by using neural networks to analyze satellite and radar images.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/it\/2024\/01\/researchers-map-the-oceans-to-uncover-dark-vessels-and-offshore-structures\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers map the oceans to uncover &#039;dark vessels&#039; 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