Esses mosaicos de nível 2 do nível 1 da Coleção 2 do Landsat são feitos com cenas ortorretificadas de nível 2 do nível 1.
O índice NBRT é gerado com base nas bandas de infravermelho próximo, infravermelho médio (2215 nm) e térmicas, e tem um intervalo de -1,0 a 1,0. Consulte Holden et al. (2005) para mais detalhes.
Essas composições são criadas com base em todas as cenas de cada período de oito dias, começando no primeiro dia do ano e continuando até o 360º dia. O último período composto do ano, que começa no dia 361, vai se sobrepor ao primeiro período composto do ano seguinte em três dias. Todas as imagens de cada período de oito dias são incluídas na composição, com o pixel mais recente como o valor composto.
Observações:
Somente imagens diurnas com WRS_ROW < 122 são incluídas.
Para o Landsat 7 , as imagens posteriores a 01/01/2017 são excluídas devido à deriva orbital.
Para o Landsat 8, as imagens anteriores a 01/05/2013 são excluídas devido a problemas de apontamento.
Bandas
Bandas
Nome
Tamanho do pixel
Descrição
NBR
30 metros
Razão de área queimada normalizada térmica
Termos de Uso
Termos de Uso
Os conjuntos de dados do Landsat são criados pelo governo federal e, portanto, pertencem ao domínio público. Eles podem ser usados, transferidos ou reproduzidos sem restrição de direitos autorais.
O USGS precisa ser reconhecido ou creditado como fonte de dados. Para isso, inclua uma linha de citação de texto, como no exemplo abaixo.
(Nome do produto, da imagem, da fotografia ou do conjunto de dados), cortesia do Serviço Geológico dos EUA
Exemplo: imagem do Landsat-7, cortesia do Serviço Geológico dos EUA
Esses mosaicos de nível 2 do nível 1 da Coleção 2 do Landsat são feitos com cenas ortorretificadas de nível 2 do nível 1. O índice NBRT é gerado com base nas bandas infravermelho próximo, infravermelho médio (2215 nm) e térmica, e tem um intervalo de -1,0 a 1,0. Consulte Holden et al. (2005) para …
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Não contém as informações de que eu preciso","missingTheInformationINeed","thumb-down"],["Muito complicado / etapas demais","tooComplicatedTooManySteps","thumb-down"],["Desatualizado","outOfDate","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Problema com as amostras / o código","samplesCodeIssue","thumb-down"],["Outro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe dataset provides Landsat Collection 2 Tier 1 Level 2 composites, created from orthorectified scenes, with 8-day coverage.\u003c/p\u003e\n"],["\u003cp\u003eIt features the Normalized Burn Ratio Thermal (NBRT) index, calculated from Near-IR, Mid-IR, and Thermal bands, ranging from -1.0 to 1.0.\u003c/p\u003e\n"],["\u003cp\u003eThe composites include daytime images with WRS_ROW < 122, excluding Landsat 7 images after 2017-01-01 and Landsat 8 images before 2013-05-01 due to orbital drift and pointing issues respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is provided by Google and is freely available for research, education, and non-profit use through the Google Earth Engine platform.\u003c/p\u003e\n"],["\u003cp\u003eLandsat datasets are public domain and can be used without copyright restrictions, but proper citation to the USGS is requested.\u003c/p\u003e\n"]]],[],null,["Dataset Availability\n: 1984-01-01T00:00:00Z--2025-09-06T00:00:00Z\n\nDataset Provider\n:\n\n\n [Google](https://earthengine.google.com)\n\nCadence\n: 8 Days\n\nTags\n:\n landsat \n nbrt \n usgs \nvegetation-indices \n\nDescription \nThese Landsat Collection 2 Tier 1 Level 2 composites are made from Tier 1 Level 2 orthorectified scenes.\n\nThe Normalized Burn Ratio Thermal (NBRT) index is\ngenerated from the Near-IR, Mid-IR (2215 nm), and Thermal bands, and\nhas a range from -1.0 to 1.0. See\n[Holden et al. (2005)](https://www.tandfonline.com/doi/abs/10.1080/01431160500239008)\nfor details.\n\nThese composites are created from\nall the scenes in each\n8-day period beginning from the first day of the year and continuing\nto the 360th day of the year. The last composite of the year,\nbeginning on day 361, will overlap the first composite of the\nfollowing year by 3 days. All the images from each 8-day period are\nincluded in the composite, with the most recent pixel as the composite value.\n\nNotes:\n\n- Only daytime images with WRS_ROW \\\u003c 122 are included.\n\n- For Landsat 7 , images after 2017-01-01 are excluded due to orbital drift.\n\n- For Landsat 8, images before 2013-05-01 are excluded due to pointing issues.\n\nBands\n\n**Bands**\n\n| Name | Pixel Size | Description |\n|-------|------------|-------------------------------|\n| `NBR` | 30 meters | Normalized Burn Ratio Thermal |\n\nTerms of Use\n\n**Terms of Use**\n\nLandsat datasets are federally created data\nand therefore reside in the public domain and may be used, transferred, or reproduced without copyright restriction.\n\nAcknowledgement or credit of the USGS as data source should be provided\nby including a line of text citation such as the example shown below.\n\n(Product, Image, Photograph, or Dataset Name) courtesy of\nthe U.S. Geological Survey\n\nExample: Landsat-7 image courtesy of the U.S. Geological Survey\n\nSee the\n[USGS Visual Identity System Guidance](https://www.usgs.gov/information-policies-and-instructions/usgs-visual-identity-system)\nfor further details on proper citation and acknowledgement of USGS products.\n\nExplore with Earth Engine **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\nCode Editor (JavaScript) \n\n```javascript\nvar dataset = ee.ImageCollection('LANDSAT/COMPOSITES/C02/T1_L2_8DAY_NBR')\n .filterDate('2017-01-01', '2017-12-31');\nvar colorized = dataset.select('NBR');\nvar colorizedVis = {\n min: 0.9,\n max: 1.0,\n palette: ['000000', 'ffffff'],\n};\nMap.setCenter(6.746, 46.529, 6);\nMap.addLayer(colorized, colorizedVis, 'Colorized');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/LANDSAT/LANDSAT_COMPOSITES_C02_T1_L2_8DAY_NBR) \n[Landsat Collection 2 Tier 1 Level 2 8-Day NBR Composite](/earth-engine/datasets/catalog/LANDSAT_COMPOSITES_C02_T1_L2_8DAY_NBR) \nThese Landsat Collection 2 Tier 1 Level 2 composites are made from Tier 1 Level 2 orthorectified scenes. The Normalized Burn Ratio Thermal (NBRT) index is generated from the Near-IR, Mid-IR (2215 nm), and Thermal bands, and has a range from -1.0 to 1.0. See Holden et al. (2005) for ... \nLANDSAT/COMPOSITES/C02/T1_L2_8DAY_NBR, landsat,nbrt,usgs,vegetation-indices \n1984-01-01T00:00:00Z/2025-09-06T00:00:00Z \n-90 -180 90 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://earthengine.google.com)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/LANDSAT_COMPOSITES_C02_T1_L2_8DAY_NBR)"]]
