Liana O. Anderson

Liana O. Anderson
Centro Nacional de Monitoramento e Alertas de Desastres Naturais | CEMADEN

PhD

About

264
Publications
99,067
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Introduction
I am a researcher at the National Center for Monitoring and Early Warning of Natural Disasters (CEMADEN) in Brazil. My interests include monitoring forests and wildfires risks, climate extremes and its impacts on ecosystems and communities. Websites of interest: http://www.liana-anderson.org/ http://www.treeslab.org/
Additional affiliations
October 2014 - present
Centro Nacional de Monitoramento e Alertas de Desastres Naturais
Position
  • Researcher
Description
  • National Center for Monitoring and Early Warning of Natural Disasters - CEMADEN
October 2010 - August 2014
University of Oxford
Position
  • PostDoc Position

Publications

Publications (264)
Article
Full-text available
The aim was to evaluate fire activity for the entire Amazon and Amazon regions within each country/department from 2003 to 2020, assessing the potential contributions of drought and deforestation and contrasting 2020 with the previous years. Amazonia sensu lato. Annually from 2003 to 2020. Terrestrial plants. We collected time series of MODIS activ...
Preprint
Full-text available
The Amazon Forest is a major locus for carbon and water cycling in the climate system whose function has been degraded in recent decades by land use and climate change. Most studies of Amazonia’s carbon balance have been limited by sparse sampling. We measured 742 atmospheric vertical profiles of CO2 and CO over four regions of Amazonia from 2010 t...
Article
Full-text available
Our aim was to quantify the influence of climate and land use on major fires that occurred during the 2020 drought over the Brazilian Pantanal region. Alto Paraguay Basin, central‐western flank of Brazil. 2003–2020. We calculated climatic and burned area anomalies and Spearman's correlation between precipitation and sea surface temperature (SST). W...
Article
Full-text available
MATOPIBA is an agricultural frontier, where fires are essential for its biodiversity maintenance. However, the increase in its recurrence and intensity, as well as accidental fires can lead to socioeconomic and environmental losses. Due to this dual relationship with fire, near real-time (NRT) fire management is required throughout the region. In t...
Article
Full-text available
Tropical forests provide essential environmental services to human well-being. In the world, Brazil has the largest continuous area of these forests. However, in the state of Maranhão, in the eastern Amazon, only 24% of the original forest cover remains. We integrated and analyzed active fires, burned area, land use and land cover, rainfall, and su...
Article
Full-text available
The COVID-19 pandemic has brought dynamics of compound hazards and risk-response feedbacks to the fore of hydrometeorological hazard preparedness and response. For example, lockdowns implemented to slow the hazard of COVID-19 transmission have the potential unintended side effect of isolating or demobilizing people in the face of an incoming compou...
Poster
Full-text available
The element phosphorus total (Pt) is considered a basic element for life on earth. It controls key processes of CO2 absorption from tropical forests to food production. For the Amazon region, estimates of Pt in the soil are scarce. In this study, we developed models through equations of pedotransfer function (PTF's) using data collected in the fiel...
Article
Full-text available
Brazil has the second-largest area of man-grove cover in the world (1), including theworld’s largest continuous mangroves (2).These ecosystems provide food security forcoastal populations; habitat for terrestrial,bird, and fish species; and carbon seques-tration (3). However, Brazil’s mangrovesare in peril. In 2020, the Brazilian gov-ernment approv...
Article
Developing countries have been recently addressing the respiratory health impact of agricultural burnings with innovative environmental policy. In Acre state, Brazilian Amazon, mechanization is subsidized, enabling smallholders to comply with a cap on burned area. To appraise amendments in the policy, a statistical Hicks-Kaldor test was developed a...
Article
Full-text available
Fire is widely used in the Amazon as a ubiquitous driver of land management and land cover change. Regardless of their purpose, fires release a considerable amount of pollutants into the atmosphere, with severe consequences for human health. This paper adds to the extant literature by measuring the causal effect of fires on hospitalizations, using...
Article
Full-text available
Fire is one of the main anthropogenic drivers that threatens the Amazon. Despite the clear link between rainfall and fire, the spatial and temporal relationship between these variables is still poorly understood in the Amazon. Here, we stratified the Amazon basin according to the dry season onset/end and investigated its relationship with the spati...
Article
Full-text available
Atmospheric methane concentrations were nearly constant between 1999 and 2006, but have been rising since by an average of ~8 ppb per year. Increases in wetland emissions, the largest natural global methane source, may be partly responsible for this rise. The scarcity of in situ atmospheric methane observations in tropical regions may be one source...
Book
Full-text available
O guia de atividades educacionais MAP-FIRE visa promover a reflexão sobre a capacidade transformadora da produção e disseminação de dados e informações gerados pela comunidade escolar. Ao circular esse conhecimento para toda a sociedade, a comunidade escolar tem o potencial de contribuir para mudar o cenário de ameaças e impactos que as queimadas e...
Article
Full-text available
Droughts in the Amazon region have the potential to generate severe socio‐environmental impacts in addition to having the ability to interfere with the long‐term carbon cycle, thus affecting global climate. The 2015/2016 drought that occurred in this region, associated with an El Niño, was considered a record‐breaking event in terms of unprecedente...
Article
Full-text available
Timely spatially explicit warning of areas with high fire occurrence probability is an important component of strategic plans to prevent and monitor fires within South American (SA) Protected Areas (PAs). In this study, we present a five-level alert system, which combines both climatological and anthropogenic factors, the two main drivers of fires...
Article
Full-text available
With deforestation and associated fires ongoing at high rates, and amidst urgent need to preserve Amazonia, improving the understanding of biomass burning emissions drivers is essential. The use of orbital remote sensing data enables the estimate of both biomass burning emissions and deforestation. In this study, we have estimated emissions of part...
Article
Full-text available
Free-to-read at: https://rdcu.be/cw7ua; Portuguese and Spanish versions of this paper are provided at: https://github.com/celsohlsj/ngeo_correspondence
Article
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2015 saw the strongest El Niño event in the historical record, resulting in extreme drought conditions in Brazil. As drought conditions may also lead to greater fire danger, this study uses the 2015 fire in Brazil as a case study to examine whether and to what extent human-induced climate change has contributed to the fire weather conditions in the...
Article
Full-text available
In January 2020, an extreme precipitation event occurred over southeast Brazil, with the epicentre in Minas Gerais state. Although extreme rainfall frequently occurs in this region during the wet season, this event led to the death of 56 people, drove thousands of residents into homelessness, and incurred millions of Brazilian Reais (BRL) in financ...
Article
Full-text available
This study aims to investigate local‐scale meteorological conditions associated with large fires in Brazil during recent decades. We assess whether there are large fire types with preceding predictors. Our results show that large fires, defined with a threshold of a daily burned area >95th percentile of the historical record, mainly occur in August...
Article
Full-text available
Unprecedented fire events in recent years are leading to a demand for improved understanding of how climate change is already affecting fires, and how this could change in the future. Increased fire activity in South America is one of the most concerning of all the recent events, given the potential impacts on local ecosystems and the global climat...
Article
Full-text available
This article investigates the role of digital technologies and data innovations, such as big data and citizen-generated data, to enable transformations to sustainability. We reviewed recent literature in this area and identified that the most prevailing assumption of work is related to the capacity of data to inform decision-making and support tran...
Article
Full-text available
Amazonia hosts the Earth’s largest tropical forests and has been shown to be an important carbon sink over recent decades1,2,3. This carbon sink seems to be in decline, however, as a result of factors such as deforestation and climate change1,2,3. Here we investigate Amazonia’s carbon budget and the main drivers responsible for its change into a ca...
Article
Full-text available
As the world’s largest tropical wetland (UNESCO 2020), the Brazilian Pantanal covers an area of 150,355 km2, approximately 62% of United Kingdom territory. In January 2020, 3,506 fires were detected in the region, an increase of 302% in relation to the 2012-2019 average for the same month (Fig. 1a). Fire occurrence continued with an accelerated pac...
Article
Fire is one of the most powerful modifiers of the Amazonian landscape and knowledge about its drivers is needed for planning control and suppression. A plethora of factors may play a role in the annual dynamics of fire frequency, spanning the biophysical, climatic, socioeconomic and institutional dimensions. To uncover the main forces currently at...
Article
Full-text available
Tropical secondary forests sequester carbon up to 20 times faster than old-growth forests. This rate does not capture spatial regrowth patterns due to environmental and disturbance drivers. Here we quantify the influence of such drivers on the rate and spatial patterns of regrowth in the Brazilian Amazon using satellite data. Carbon sequestration r...
Technical Report
Full-text available
Relatório Queimadas 2020 no Estado do Acre traz estatisticas e mapas para todos os municipios do Estado e para quatros dos Projetos de Assentamento e Unidades de Conservação mais criticos
Article
Full-text available
A worldwide increase in the number of people and areas affected by disasters has led to more and more approaches that focus on the integration of local knowledge into disaster risk reduction processes. The research at hand shows a method for formalizing this local knowledge via sketch maps in the context of flooding. The Sketch Map Tool enables not...
Article
Full-text available
To the Editor — In 2012, Brazil achieved an unprecedented feat among tropical countries by reducing deforestation rates in Amazonia by 84% (4,571 km2) compared to the historical peak of 2004, when 27,772 km2 of forests were clear-cut1 (Fig. 1). This achievement resulted from multiple government initiatives, particularly the Action Plan for the Prev...
Article
Full-text available
Neste relato de experiências trazemos uma breve revisão da literatura, em sua maioria de artigos e relatórios técnicos produzidos pelos projetos de Pesquisa MAP-FIRE e Acre-Queimadas sobre a ocorrência e impactos de incêndios florestais na Amazônia, com detalhamento para a região MAP (Madre de Dios - Peru, Acre – Brasil e Pando-Bolívia). Os incêndi...
Technical Report
Full-text available
Os incêndios florestais e queimadas na América do Sul atingiram máximos de ocorrências entre fevereiro e junho, e também entre agosto e outubro de 2020, com esses oito meses sendo os valores mais altos já registrados desde 2011. Durante março, abril e maio de 2020, respectivamente, os focos de queimadas foram 21%, 49% e 10% maiores do que os picos...
Technical Report
Full-text available
This report identifies priority areas with a high probability of fire threat, in order to support decision making and planning strategies to mitigate the risk and impact of fires. The focus is on South American protected areas, Brazilian settlements and rural private properties in the Brazilian Amazon. These areas have an institutional structure or...
Technical Report
Full-text available
Este informe identifica las áreas prioritarias que presentan una alta probabilidad de amenaza de incendio, con el fin de apoyar la toma de decisiones y la planificación de estrategias para mitigar el riesgo y el impacto de los incendios. La atención se ha centrado en las zonas protegidas de América del Sur, los asentamientos brasileños y las propie...
Article
Full-text available
The 2019 fire crisis in Amazonia dominated global news and triggered fundamental questions about the possible causes behind it. Here we performed an in-depth investigation of the drivers of active fire anomalies in the Brazilian Amazon biome. We assessed a 2003–2019 time-series of active fires, deforestation, and water deficit and evaluated potenti...
Article
Drought poses a major threat to food security and maintenance of rural populations in dry lands, because it leads to losses in agriculture and other productive sectors. Given the intensification and recurrence of drought events and their impacts, it is necessary to deepen our knowledge as a key to subsidize mechanisms for drought preparation and mi...
Chapter
O sudoeste da Amazônia era, até a metade do século 20, predominantemente coberto por uma floresta ombrófila dominada por bambus, com manchas de floresta ombrófila densa. Devido a diversos fatores sócio-econômicos e ondas de ocupação, a região foi sendo transformada e hoje somente 29% do leste acreano apresenta cobertura florestal nativa. Esta mudan...
Chapter
Full-text available
Jovens na composição de diálogos cartografados sobre prevenção de desastres Redução do risco de desastres e a resiliência no meio rural e urbano. Neste artigo apresentam-se os resultados da experiência da oficina de Cartografia Social, com algumas narrativas da ofi cina de História Oral. Primeiramente descrevem-se os conceitos científi cos básicos...
Article
Full-text available
Carbon (C) emissions from forest fires in the Amazon during extreme droughts may correspond to more than half of the global emissions resulting from land cover changes. Despite their relevant contribution, forest fire-related C emissions are not directly accounted for within national-level inventories or carbon budgets. A fundamental condition for...
Technical Report
Full-text available
Bolivia tiene una superficie de 1.098.581 Km2 de los cuales 43% de su territorio pertenece al bioma Amazónico. Bolivia está entre los cinco países con mayor pérdida de bosques del planeta. La pérdida de bosques en Bolivia ocurre principalmente debido a la quema de bosques para habilitar tierras agrícolas y pecuarias. En los últimos años, los focos...
Article
Full-text available
Wildfires in humid tropical forests have become more common in recent years, increasing the rates of tree mortality in forests that have not co-evolved with fire. Estimating carbon emissions from these wildfires is complex. Current approaches rely on estimates of committed emissions based on static emission factors through time and space, yet these...
Article
There is a growing interest in Amazonian fires, accompanied by a substantial increase in research in the subject. Here, we list five common misunderstandings about Amazonian climate, vegetation, fires and the deforestation process to help to support future research.
Article
Full-text available
Aircraft atmospheric profiling is a valuable technique for determining greenhouse gas fluxes at regional scales (10 4-10 6 km 2). Here, we describe a new, simple method for estimating the surface influence of air samples that uses backward trajectories based on the Lagrangian model Hybrid Single-Particle Lagrangian Integrated Trajectory Model (HYSP...
Poster
Full-text available
Deforestation is the primary driver of forest carbon loss in tropical forests. Nevertheless, forest fragmentation-induced carbon loss is poorly studied and not implicitly included in the policies of reductions in carbon emissions in the tropics. Here, we used an innovative remote sensing approach to estimate for the first time the carbon loss due t...
Article
Full-text available
Deforestation is the primary driver of carbon losses in tropical forests, but it does not operate alone. Forest fragmentation, a resulting feature of the deforestation process, promotes indirect carbon losses induced by edge effect. This process is not implicitly considered by policies for reducing carbon emissions in the tropics. Here, we used a r...
Poster
Full-text available
Atualização das condições de seca e fogo pelo Brasil Nesse número, os principais impactos de extremos de seca e fogo no Bioma Pantanal Destaque para os impactos nas áreas agroprodutivas áreas de vegetação natural, unidades de conservação, terras indígenas e demais uso e cobertura da terra.
Preprint
Full-text available
Secondary forests (SF) have a large climate mitigation potential, given their ability to sequester carbon up to 20 times faster than old-growth forests. Environmental variability and anthropogenic disturbances lead to uncertainties in estimating spatial patterns of SF carbon sequestration rates. Here we quantify the influence of environmental and d...
Article
Full-text available
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Data
Correction to: Scientific Data https://doi.org/10.1038/s41597-020-00600-4, published online 14 August 2020 Following publication of this Data Descriptor it was found that the affiliation, Programa de Pós-graduação em Agroecologia, Universidade Estadual do Maranhão (UEMA), São Luís, Brazil was spelled incorrectly. This has now been corrected in bot...