{"id":3465,"date":"2026-03-02T06:52:59","date_gmt":"2026-03-02T06:52:59","guid":{"rendered":"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/?p=3465"},"modified":"2026-06-23T07:29:19","modified_gmt":"2026-06-23T07:29:19","slug":"on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science","status":"publish","type":"post","link":"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/","title":{"rendered":"On the Road: Thousands of Kilometres in Service of Amazon Wildfire Science"},"content":{"rendered":"\n<p>The Amazon PyroCarbon project has been travelling across the Brazilian Amazon to understand how wildfires affect soil characteristics such as carbon stocks and emissions. So far, seven study areas have been mapped across five states (Mato Grosso, Rond\u00f4nia, Amazonas, Acre, and Par\u00e1), each adding an essential piece to the complex puzzle of the Amazonian landscape. To make this work possible, and to transport heavy soil samples back to the lab for analysis, part of the team drives through all these regions, leaving from the project&#8217;s laboratory in Piracicaba (S\u00e3o Paulo). These are long road journeys that support the logistics of fieldwork, and over the past three years, thousands of kilometers have been covered, along paved roads, dirt tracks, and even barge crossings to traverse the vast Amazonian rivers that often resemble open seas.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"909\" height=\"317\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-on-the-road-amazon-highways-ferry.png\" alt=\"Road scenes from Amazon PyroCarbon fieldwork, including the ferry crossing on the Rio Negro in Manaus (right).\" class=\"wp-image-3447\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-on-the-road-amazon-highways-ferry.png 909w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-on-the-road-amazon-highways-ferry-300x105.png 300w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-on-the-road-amazon-highways-ferry-768x268.png 768w\" sizes=\"(max-width: 909px) 100vw, 909px\" \/><figcaption class=\"wp-element-caption\">Road scenes from Amazon PyroCarbon fieldwork, including the ferry crossing on the Rio Negro in Manaus (right).<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"634\" height=\"634\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-plinio-camargo-driving-guerreira.jpeg\" alt=\"Plinio Camargo driving the Guerreira project vehicle across the Brazilian Amazon\" class=\"wp-image-3449\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-plinio-camargo-driving-guerreira.jpeg 634w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-plinio-camargo-driving-guerreira-300x300.jpeg 300w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-plinio-camargo-driving-guerreira-150x150.jpeg 150w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><figcaption class=\"wp-element-caption\">Prof. Plinio Camargo, project coordinator in Brazil<\/figcaption><\/figure><\/div>\n\n\n<p>Faced with so many challenges, the project&#8217;s vehicle earned the affectionate nickname <em>Guerreira<\/em> (the Warrior). Each road trip lasts around three to five days, and upon arrival the full team comes together for weeks of fieldwork in the often remote locations of Amazonia. Students, collaborators, and researchers from the study regions join the group, along with students and a researcher from the University of Exeter, as well as participants from other parts of the country.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"624\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/image-1.png\" alt=\"The PyroCarbon Project team works to get the truck unstuck after a heavy downpour. \" class=\"wp-image-3471\" style=\"width:609px;height:auto\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/image-1.png 936w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/image-1-300x200.png 300w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/image-1-768x512.png 768w\" sizes=\"(max-width: 936px) 100vw, 936px\" \/><figcaption class=\"wp-element-caption\">The PyroCarbon Project team works to get the truck unstuck after a heavy downpour. <\/figcaption><\/figure><\/div>\n\n\n<p>With the team complete, field activities begin, usually lasting one to two weeks to map the areas and collect soil samples. In each region, different old-growth, degraded, and regrowing secondary forests are selected, each with its own history of fire events. Soil samples are collected every 10 centimetres across multiple profiles reaching depths of up to one metre. In some cases, trenches are also opened, allowing soil and charcoal samples to be collected down to two metres. Disturbed samples are sent for analyses of carbon and nitrogen concentrations, fertility, texture, and other parameters. Undisturbed samples, meanwhile, are used to determine soil bulk density, an essential variable for estimating carbon and nitrogen stocks.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"304\" height=\"404\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-profile-sampling-amazon.png\" alt=\"Researchers collecting soil samples from a soil profile during Amazon PyroCarbon fieldwork\" class=\"wp-image-3455\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-profile-sampling-amazon.png 304w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-profile-sampling-amazon-226x300.png 226w\" sizes=\"(max-width: 304px) 100vw, 304px\" \/><figcaption class=\"wp-element-caption\">Sampling in a soil profile<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"294\" height=\"475\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-sample-auger-amazon.png\" alt=\"Soil sample collected on an auger during Amazon PyroCarbon fieldwork in Brazil\" class=\"wp-image-3457\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-sample-auger-amazon.png 294w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-soil-sample-auger-amazon-186x300.png 186w\" sizes=\"(max-width: 294px) 100vw, 294px\" \/><figcaption class=\"wp-element-caption\">Soil sample<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"362\" height=\"272\" src=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-bulk-density-sampling-amazon-forest.png\" alt=\"Two researchers collecting undisturbed soil samples for bulk density analysis in an Amazon secondary forest\" class=\"wp-image-3459\" srcset=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-bulk-density-sampling-amazon-forest.png 362w, https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-bulk-density-sampling-amazon-forest-300x225.png 300w\" sizes=\"(max-width: 362px) 100vw, 362px\" \/><figcaption class=\"wp-element-caption\">Soil sampling for bulk density analysis<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>At the end of each expedition, the <em>Guerreira<\/em> returns to Piracicaba loaded with around 200 kilograms of soil. There, at the Laboratory of Isotopic Ecology, the next phase of the work begins, samples are processed and analysed, transforming them into data that will help tell a story about fire effects on Amazonian forests.<\/p>\n\n\n\n<p>Text and photos: Karina Gon\u00e7alves &amp; Plinio Camargo<\/p>\n\n\n\n<p><strong>Next:<\/strong> Read about what happens when the soil arrives at the laboratory in <a href=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/16\/from-sample-to-data-the-journey-inside-the-laboratory\/\">From Sample to Data: The Journey Inside the Laboratory<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Amazon PyroCarbon project has covered thousands of kilometres across Mato Grosso, Rond\u00f4nia, Amazonas, Acre, and Par\u00e1 over the past three years. This is the story of the road trips, the Guerreira, and the soil that comes home with the team.<\/p>\n","protected":false},"author":999,"featured_media":3453,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[83],"tags":[137,147,133,141,139,93],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>On the Road: Amazon PyroCarbon Fieldwork Across Five States | Feldpausch Research Group<\/title>\n<meta name=\"description\" content=\"The Amazon PyroCarbon team has covered thousands of kilometres across five Brazilian states over three years. 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The story of the Guerreira, the road trips, and the soil science behind each expedition.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/\" \/>\n<meta property=\"og:site_name\" content=\"Ted Feldpausch Research Group\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-02T06:52:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-23T07:29:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-guerreira-project-vehicle.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"510\" \/>\n\t<meta property=\"og:image:height\" content=\"509\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ted Feldpausch\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ted Feldpausch\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/\"},\"author\":{\"name\":\"Ted Feldpausch\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/#\/schema\/person\/24b1532c6a55065974e5ca93e29363d8\"},\"headline\":\"On the Road: Thousands of Kilometres in Service of Amazon Wildfire Science\",\"datePublished\":\"2026-03-02T06:52:59+00:00\",\"dateModified\":\"2026-06-23T07:29:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/\"},\"wordCount\":467,\"publisher\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/#\/schema\/person\/24b1532c6a55065974e5ca93e29363d8\"},\"image\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-guerreira-project-vehicle.jpeg\",\"keywords\":[\"Amazon\",\"Carbon cycling\",\"Fieldwork\",\"Fire ecology\",\"Pyrogenic carbon\",\"soil carbon\"],\"articleSection\":[\"Tropical forest\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/\",\"url\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/\",\"name\":\"On the Road: Amazon PyroCarbon Fieldwork Across Five States | Feldpausch Research Group\",\"isPartOf\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/2026\/03\/02\/on-the-road-thousands-of-kilometres-in-service-of-amazon-wildfire-science\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sites.exeter.ac.uk\/ted-feldpausch\/wp-content\/uploads\/sites\/257\/2026\/06\/pyrocarbon-guerreira-project-vehicle.jpeg\",\"datePublished\":\"2026-03-02T06:52:59+00:00\",\"dateModified\":\"2026-06-23T07:29:19+00:00\",\"description\":\"The Amazon PyroCarbon team has covered thousands of kilometres across five Brazilian states over three years. 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