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A Q&A with Marcos Longo3 min read

by Julie Bobyock on February 13, 2023

Climate and Ecosystem Sciences Division Q and A

As he conducted field work in the Amazon, Research Scientist Marcos Longo experienced the deforestation of Amazon forests and witnessed the thick clouds of smoke from these ecosystems as they were on fire. Since then, Longo has dedicated his career towards researching the impacts of climate change and disturbance on tropical ecosystems. 

Longo at the Guyaflux covariance tower at the Paracou research station (French Guiana), overlooking the Amazon forest. Photo taken in March 2016 when Marcos participated as instructor in a short course on modeling tropical forests. Photo credit: Camille Piponiot

What led you to research tropical ecosystems’ response to disturbances? 

I am Brazilian–so deforestation in the Amazon has been on my radar for a long time. The Atlantic Forest ecosystem surrounding São Paulo, where I grew up, was once heavily forested but it is now mostly gone. It’s a system that has been rapidly and dramatically changing throughout my lifetime, and seeing these big forests experience significant changes attracted my attention, even at an early age.

When I was an undergraduate student doing field work in the Amazon, I witnessed the impacts of land use change the forests. My third field experience was during the dry season, and I saw the thick clouds of smoke from the fires. Seeing this firsthand had a big impact on me, making me interested in how these changes would affect the tropical ecosystems in the long-term.

How have your previous research experiences informed your work? 

My undergraduate and Master’s studies at University of São Paulo strengthened my atmospheric science background. During my Ph.D. at Harvard, I began studying the impacts of climate change on the future of Amazon forests and gained experience with ecosystem models. 

At my first postdoc at Embrapa, a Brazilian Agricultural Research Corporation, I examined the effects of forest degradation on carbon stocks. I was also exposed to questions that I hadn’t considered before. There were so many things I didn’t know, and I realized there is just so much to learn about how these forests work and how they’re changing. This was a significant experience for my career direction – I became interested in seeing the impacts of changes besides deforestation, like droughts and wildfires. 

Longo taking tree trunk diameter measurements near La Selva, Costa Rica during the Second Regional Workshop for Central America on Biomass Estimation and Forest-Cover Mapping in the Tropics (Jan 2017), organized by SilvaCarbon and the Global Forest Observation Initiative. Photo credit: Luciane Sato.

How does airborne lidar data help you understand forest disturbance? Is this method new to you?

Field data can be very limited because it takes a lot of effort, and if you’re interested in forest degradation there is limited access as many areas are in private lands. But with airborne lidar data, we can survey much more area. This even allows us to characterize the vertical structure of the forest and model more heterogeneity in FATES (Functionality-Assembled Terrestrial Ecosystem Simulator). So, we are using lidar data to expand the forest area the models can integrate and display. 

I have strong experience with modeling, but am new to using FATES–the model is unique and uses different code than what I’ve worked with in the past. As I continue to learn, collaboration on such a large team is helpful and allows the model to advance much faster.

How has your experience in NGEE-Tropics inspired your future research directions?

I’m excited about the next phase of NGEE-Tropics. The project hopes to integrate more atmospheric research, and I look forward to exploring how changes in tropical forests are going to impact atmospheric feedbacks. Since I initially began my career with atmospheric science, I am excited to come full circle. 

News & Events

Former Intern Emily Nagamoto Wins AGU Award1 min read

March 27, 2023

Former Science Undergraduate Laboratory Intern (SULI) Emily Nagamoto received an American Geophysical Union (AGU) Outstanding Presentation Award, which honors exceptional presentations given during AGU’s 2022 Fall meeting. She was mentored by Staff Scientist Charuleka Varadharajan and Postdoctoral Research Fellow Mohammed Ombadi during her Summer 2022 SULI term. Currently an undergraduate student in Duke University’s Nicholas…

EESA Scientists Investigate How Tropical Soil Microbes Might Respond to Future Droughts2 min read

March 14, 2023

As the most biologically diverse terrestrial ecosystems on Earth, tropical rainforests are just as critical to sustaining environmental and human systems as they are beautiful. Their unique climate with high temperatures, humidity, and precipitation promotes high primary productivity, which offsets high respiration, resulting in these ecosystems being one of the largest carbon sinks on Earth,…

Doubling Protected Lands for Biodiversity Could Require Tradeoffs With Other Land Uses, Study Finds4 min read

March 3, 2023

This article first appeared on lbl.gov. Scientists show how 30% protected land targets may not safeguard biodiversity hotspots and may negatively affect other sectors – and how data and analysis can support effective conservation and land use planning Although more than half the world’s countries have committed to protecting at least 30% of land and oceans…

Six Berkeley Lab Scientists Named AAAS Fellows6 min read

This article first appeared at lbl.gov Six researchers have been elected into the 2022 class of the American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) has announced their 2022 Fellows, including six scientists from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab). This lifetime honor, which follows…

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