{"id":45801,"date":"2025-04-14T04:46:25","date_gmt":"2025-04-13T23:16:25","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=45801"},"modified":"2025-05-08T01:12:28","modified_gmt":"2025-05-07T19:42:28","slug":"esas-biomass-satellite-revolutionizing-global-forest-monitoring-with-p-band-radar","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/esas-biomass-satellite-revolutionizing-global-forest-monitoring-with-p-band-radar\/","title":{"rendered":"ESA\u2019s Biomass Satellite: Revolutionizing Global Forest Monitoring with P-Band Radar"},"content":{"rendered":"<h2>What\u2019s in Today\u2019s Article?<\/h2>\n<ul>\n<li>ESA Biomass Satellite Latest News<\/li>\n<li>Biomass Mission<\/li>\n<li>How the Biomass Mission Will Monitor Forests<\/li>\n<li>The Earth Explorer Programme<\/li>\n<li>ESA Biomass Satellite FAQs<\/li>\n<\/ul>\n<h2>ESA Biomass Satellite Latest News<\/h2>\n<ul>\n<li>The European Space Agency (ESA) is set to launch its seventh Earth Explorer mission, Biomass, aboard the Vega C rocket from French Guiana. The satellite will be placed in a sun-synchronous orbit at an altitude of around 666 km.\u00a0<\/li>\n<li>The mission aims to map the world&#8217;s forests, providing crucial data on their condition and changes over time. This will enhance understanding of the role forests play in the global carbon cycle.\u00a0<\/li>\n<li>The Biomass mission is part of ESA&#8217;s broader Earth Explorer programme, which studies various components of the Earth&#8217;s system.<\/li>\n<\/ul>\n<h2>Biomass Mission<\/h2>\n<ul>\n<li>The Biomass mission aims to address the lack of large-scale data on forest above-ground biomass and forest height, which is critical for understanding forests&#8217; role in the carbon cycle and climate regulation.<\/li>\n<\/ul>\n<h3>Importance of Forests<\/h3>\n<ul>\n<li>Forests absorb around <strong>16 billion metric tonnes of CO\u2082<\/strong> annually.<\/li>\n<li>They store about <strong>861 giga tonnes of carbon<\/strong> in branches, leaves, roots, and soils.<\/li>\n<li>Accurate data on biomass is essential to assess their health and carbon storage capacity.<\/li>\n<\/ul>\n<h3>Tracking Deforestation and Carbon Emissions<\/h3>\n<ul>\n<li>In <strong>2023<\/strong>, the world lost <strong>3.7 million hectares<\/strong> of tropical forests \u2014 about <strong>10 soccer fields per minute<\/strong>.<\/li>\n<li>This deforestation contributed to <strong>6% of global CO\u2082 emissions<\/strong>.<\/li>\n<li>The mission will help monitor how <strong>carbon levels<\/strong> are changing due to deforestation and human activity.<\/li>\n<\/ul>\n<h3>Technological Approach<\/h3>\n<ul>\n<li>The mission will create <strong>3D images<\/strong> of forests, from the canopy to the ground, using advanced radar imaging.<\/li>\n<li>It will improve understanding of forest <strong>quality, diversity<\/strong>, and <strong>carbon storage<\/strong>.<\/li>\n<\/ul>\n<h3>Additional Objectives<\/h3>\n<ul>\n<li>Monitor <strong>ice sheet movements<\/strong> in <strong>Antarctica<\/strong>.<\/li>\n<li>Produce <strong>digital terrain models<\/strong> in areas covered by <strong>dense vegetation<\/strong>.<\/li>\n<\/ul>\n<h2>How the Biomass Mission Will Monitor Forests<\/h2>\n<ul>\n<li><strong>Use of Synthetic Aperture Radar (SAR)<\/strong>\n<ul>\n<li>The Biomass satellite will employ Synthetic Aperture Radar (SAR) technology to map the Earth\u2019s surface.\u00a0<\/li>\n<li>Unlike optical sensors, SAR can operate day and night and through clouds, making it ideal for consistent forest monitoring.<\/li>\n<li>The SAR will operate in the P-band frequency range with a wavelength of 70 cm.<\/li>\n<li>This long wavelength allows the radar to penetrate dense forest canopies, enabling scientists to measure biomass from the tree canopy to the forest floor.<\/li>\n<li>This capability is unique to Biomass, as it is the first satellite globally to use P-band SAR.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Estimating Forest Biomass and Carbon Storage<\/strong>\n<ul>\n<li>The radar will estimate above-ground biomass \u2014 the total mass of living vegetation in forests.<\/li>\n<li>From this, researchers can calculate carbon content, as roughly half of forest biomass is carbon.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Key Technological Feature<\/strong>\n<ul>\n<li>The satellite is equipped with a 12-meter antenna that will unfold once in orbit, enabling high-resolution radar imaging across wide forested regions.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Importance of the Data<\/strong>\n<ul>\n<li>The mission will &#8220;weigh&#8221; forests from space, helping to determine how much carbon is stored and how this changes over time.<\/li>\n<li>This will improve our understanding of the carbon balance between forests and the atmosphere \u2014 a critical factor in addressing climate change.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>The Earth Explorer Programme<\/h2>\n<ul>\n<li>The Earth Explorer programme by the European Space Agency (ESA) is designed to enhance understanding of the Earth system by launching satellites that study various components of the planet, including:\n<ul>\n<li>Earth\u2019s interior<\/li>\n<li>Cryosphere (frozen regions)<\/li>\n<li>Hydrosphere (water bodies)<\/li>\n<li>Atmosphere<\/li>\n<li>Ionosphere (charged particles)<\/li>\n<li>Land surface<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Key Missions Under the Programme<\/h3>\n<ul>\n<li><strong>GOCE (2009\u20132013):<\/strong> The Gravity Field and Steady-State Ocean Circulation Explorer was the first mission. It advanced research in ocean circulation and the physics of Earth\u2019s interior.<\/li>\n<li><strong>EarthCARE (Launched May 2024):<\/strong> The Earth Cloud Aerosol and Radiation Explorer aims to improve our understanding of Earth\u2019s radiative balance, which is vital for climate studies.<\/li>\n<\/ul>\n<h3>Broader Impact<\/h3>\n<ul>\n<li>The Earth Explorer missions provide critical data to support scientific research on climate change, natural resources, and environmental monitoring across the globe.<\/li>\n<\/ul>\n<h2>ESA Biomass Satellite FAQs<\/h2>\n<p><strong>Q1.<\/strong> What is the ESA Biomass satellite mission?<\/p>\n<p><strong>Ans.<\/strong> It\u2019s a mission to map global forests using radar, helping assess carbon storage and monitor deforestation.<\/p>\n<p><strong>Q2.<\/strong> How does the Biomass satellite measure forests?<\/p>\n<p><strong>Ans.<\/strong> It uses P-band Synthetic Aperture Radar to scan tree canopies and forest floors in 3D, even through clouds.<\/p>\n<p><strong>Q3.<\/strong> Why is forest biomass data important?<\/p>\n<p><strong>Ans.<\/strong> It helps determine how much carbon forests store and how they\u2019re changing due to deforestation or climate impact.<\/p>\n<p><strong>Q4.<\/strong> What makes Biomass different from past satellites?<\/p>\n<p><strong>Ans.<\/strong> It\u2019s the first satellite globally to use P-band radar, enabling deep penetration of dense forest cover.<\/p>\n<p><strong>Q5.<\/strong> What else will Biomass monitor besides forests?<\/p>\n<p><strong>Ans.<\/strong> It will track Antarctic ice sheet movements and produce digital terrain models of dense vegetative areas.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-sci-tech\/esa-monitor-forests-biomass-9930561\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a> | <a href=\"https:\/\/www.esa.int\/Applications\/Observing_the_Earth\/FutureEO\/Biomass\" target=\"_blank\" rel=\"nofollow noopener\">ESA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Explore how ESA&#8217;s Biomass satellite will monitor forests using advanced radar tech to map carbon and fight climate change. <\/p>\n","protected":false},"author":5,"featured_media":45802,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":{"0":"post-45801","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-mains-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/45801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=45801"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/45801\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/45802"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=45801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=45801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=45801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}