Atmospherical Sci.

Video

What is El Niño?

Animation explains why warming of surface waters in the Pacific Ocean can cause increasingly frequent extreme events | 7'16

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Environment

Signs of the next El Niño

The 2023 El Niño could be one of the most intense of the last three decades

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Geology

Agency takes responsibility for failed risk assessment

Agency admits failure to communicate volcanic risk to helicopter pilots

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Climate

CFC emissions have increased 2.6-fold over the past decade

Atmospheric concentration of five types of gas responsible for destroying the ozone layer peaked in 2020

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AEROSPACE TECHNOLOGY

New capabilities for space exploration

More Brazilian companies are investing in locally developed nanosatellites for commercial applications

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History

Irregular rainfall had a negative impact on the Mayans

Irregular rainfall patterns were a decisive factor in the breakdown of Mayan cities

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Public policy

Combating disasters requires analysis of climate projections

In addition to historical data, governments must consider future scenarios in their efforts to adapt to the effects of climate change

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Climate

Extreme rainfall with the potential to cause disasters is increasingly common in parts of Brazil

Number of days with extreme rainfall in São Paulo and other state capitals has increased since the 1990s

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Environment

The ozone layer in recovery

Ozone layer is recovering and should be restored within a few decades

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Environment

Indigenous lands absorb more carbon

Parts of the Amazon managed by Indigenous peoples absorb more carbon than other areas

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Environment

Nutrients from the Sahara to the Amazon

Dust from the Sahara is carried by strong winds to the Amazon

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Environment

Fire consumes vegetation on icy Siberian soil

Wildfires on frozen ground in Siberia are expected to increase exponentially by the middle of the century

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COVER

Emissions of carbon dioxide—the most abundant greenhouse gas—double in the Amazon

Study indicates that increased deforestation resulted in the rainforest emitting more carbon than it absorbed in 2019 and 2020

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Geology

In the depths of Iceland

Volcanologist identifies pattern after observing the eruption of Fagradalsfjall volcano for 50 days

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Environment

Frosts hinder Cerrado recovery

Frost can have similar impacts to fire on tree growth

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Geophysics

Asteroid that wiped out the dinosaurs generated the deadliest tsunami in history

Asteroid that wiped out the dinosaurs generated the deadliest tsunami in history

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Geophysics

Earthquakes in the sky

Atmospheric balloons at altitude of 20 kilometers detect earthquake in Indonesia

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Atmospheric Sciences

Global warming intensified torrential rainfall in northeastern Brazil and heatwaves in Europe

Studies suggest climate change caused by humans exacerbates extreme weather events, such as this year's torrential rainfall in Northeast Brazil

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Recognition

Carlos Joly wins 2022 Conrado Wessel award

UNICAMP’s Carlos Joly wins the 2022 FCW Science Award

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GEOLOGY

The Tonga megatsunami

Tonga tsunami in January may have been amplified by acoustic-gravity waves

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Paleontology

São Paulo was once covered by forest

São Paulo Metropolitan Area was once covered by vast forest of araucaria trees between 180,000 and 135,000 years ago

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Obituary

The father of flying rivers

Agronomist and climatologist Enéas Salati demonstrated the forest's ability to recycle and export rain

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Atmospheric sciences

From Tonga to São Paulo

Smoke from January’s major volcanic eruption on the Pacific island was observed 27 kilometers above the city of São Paulo

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Climate

The Amazon produces 8% of the planet’s methane

Most of the gas emitted in the biome comes from wetlands, but the rise in livestock farming and fires has increased emissions associated with human occupation

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Geology

Atmospheric lakes over the Indian Ocean

A meteorologist has identified a new atmospheric phenomenon over the Indian Ocean

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Environment

Forest technology

Artificial intelligence, satellite data, and statistical models are used to predict the risk of deforestation and fires in the Amazon and analyze their impact in real time

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Climate

Cerrado under threat

The Cerrado is getting hotter, drier, and more prone to fire

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Climate Change

The Amazon could be an inhospitable savanna by 2100

The Amazon could be an inhospitable savanna by 2100

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Atmosphere

Greatest threat to global health

Editorial published in more than 200 medical journals highlights the risks of ignoring climate change

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Atmosphere

Pollution that causes global cooling

Aerosol particles that worsen air quality and damage human health also reduce global warming by a third

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