{"id":32934,"date":"2022-07-15T13:28:36","date_gmt":"2022-07-15T11:28:36","guid":{"rendered":"https:\/\/www.asi.it\/?p=32934"},"modified":"2022-07-15T13:28:21","modified_gmt":"2022-07-15T11:28:21","slug":"prisma-for-retrieval-of-vegetation-indicators","status":"publish","type":"post","link":"https:\/\/www.asi.it\/en\/2022\/07\/prisma-for-retrieval-of-vegetation-indicators\/","title":{"rendered":"PRISMA for Retrieval of Vegetation Indicators"},"content":{"rendered":"<p class=\"x_MsoNormal\"><span lang=\"EN-US\">The PRISMA image, a 30 km x 30 km spotlight acquisition, was processed within the ASI project &#8220;<\/span><b><span lang=\"EN-GB\">\u00a0Sviluppo di Prodotti Iperspettrali Prototipali Evoluti<\/span><\/b><span lang=\"EN-US\">\u00a0<\/span><!--more--><\/p>\r\n<p class=\"x_MsoPlainText\"><span lang=\"EN-US\">The PRISMA image, a 30 km x 30 km spotlight acquisition, was processed within the ASI project &#8220;<\/span><b><span lang=\"EN-GB\">\u00a0Sviluppo di Prodotti Iperspettrali Prototipali Evoluti<\/span><\/b><span lang=\"EN-US\">\u00a0&#8221; whose main objective is the prototyping of a series of L3 \/ L4 level added value products derived from hyperspectral data processing. Among the prototypes developed there is the\u00a0<b>\u201c<\/b><\/span><b><span lang=\"EN-US\">Vegetation Indicators\u201d<\/span><\/b><span lang=\"EN-US\">,<\/span><span lang=\"EN-US\">\u00a0which aims to extract the following biophysical variables for the crop characterization and the health status assessment. These are: Leaf area index (LAI), Absorbed fraction of photosynthetically active radiation (FAPAR), Vegetation cover fraction (FCOVER) and Chlorophyll\u00a0<i>ab<\/i>\u00a0(LCC).<\/span><\/p>\r\n<p class=\"x_MsoPlainText\"><span lang=\"EN-US\">\u00a0<\/span><span lang=\"EN-US\">The figure shows the Maccarese site, located within a coastal agricultural area owned by Maccarese SpA in the North of Rome. The main crops growing during the year are maize (silage), small grain cereals (winter wheat and durum wheat, barley, triticale), alfalfa, field bean, forage crops. The developed prototype combines radiative transfer models and Machine Learning Regression models. It was trained following a hybrid approach and, was applied to the PRISMA image of June 27, 2021, for the estimation of the chlorophyll content at the leaf level (right).<\/span><\/p>\r\n<p class=\"x_MsoPlainText\"><span lang=\"EN-GB\">\u00a0<\/span><i>Data\/Information generated by e-GEOS,<\/i>\u00a0<i>Centro Nazionale delle Ricerche-Istituto di Metodologie per l\u2019Analisi Ambientale\u00a0(CNR-IMAA), Universit\u00e0 degli Studi della Tuscia, under an ASI License to Use; Original PRISMA Product &#8211; \u00a9 ASI \u2013 (2021).<\/i><\/p>\r\n<a href=\"https:\/\/www.asi.it\/wp-content\/uploads\/2022\/07\/Prototipo-Vegetation-Indicators.jpg\" target=\"_blank\" rel=\"noopener\"><strong><i>Download the full frame image in jpg<\/i><\/strong><\/a>","protected":false},"excerpt":{"rendered":"<p>The PRISMA image, a 30 km x 30 km spotlight acquisition, was processed within the ASI project &#8220;\u00a0Sviluppo di Prodotti Iperspettrali Prototipali Evoluti\u00a0<\/p>\n","protected":false},"author":3,"featured_media":32932,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[50],"tags":[],"class_list":["post-32934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-science"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - 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