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Atmospheric science

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Atmospheric science is the study of the air around our Earth.

Atmosphere composition diagram-en
Atmosphere composition diagram-en

Scientists look at the physical processes happening in the atmosphere. This field helps us understand how our world works. It includes many different areas of study. One area is meteorology, which focuses on weather forecasting. Another area is climatology, which studies weather patterns over very long times. These studies help us see how the climate changes over years or even millennia. Scientists want to know how the air affects everything on our planet.

There are many ways these scientists study the air.

CALIPSO - Artist Concept 2
CALIPSO - Artist Concept 2

One way is through atmospheric chemistry. These experts look at the gases that make up the air. They study how these gases interact with living things. This helps them understand problems like acid rain or global warming. They also look at how greenhouse gases affect the Earth's heat balance. Scientists use tools like weather balloons and radars to gather data. They also use satellites to watch the atmosphere from space. Some satellites, like CALIPSO, help us see how clouds and particles regulate our weather.

History shows us that many people helped build this science.

Venus - October 29 2021 - Flickr - Kevin M. Gill
Venus - October 29 2021 - Flickr - Kevin M. Gill

Early pioneers in this field were Léon Teisserenc de Bort and Richard Assmann. Today, many large groups help lead this research. In the United Kingdom, the Meteorological Office supports these studies. In the United States, the National Oceanic and Atmospheric Administration (NOAA) oversees weather modeling. The U.S. National Astronomy and Ionosphere Center also studies the high atmosphere. These organizations help us keep track of how our air is changing every day.

There are many important numbers in atmospheric science.

Atmosphere composition diagram-en
Atmosphere composition diagram-en

For example, emissions of certain gases reached a record of 57.1 GtCO2e. This was a 1.3% increase from the year before. Between 1750 and 2022, nitrous oxide in the air grew by about 25%. Scientists also track where these gases come from. In 2023, about 26% of emissions came from power use. Another 15% came from transportation, while 11% came from industry. To help the climate, scientists say we need to cut emissions by nearly 42% by 2030.

This science also reaches far beyond our own planet.

Venus - October 29 2021 - Flickr - Kevin M. Gill
Venus - October 29 2021 - Flickr - Kevin M. Gill

All planets in our solar system have atmospheres because of gravity. Larger gas giants hold onto light gases like hydrogen and helium. Earth is unique because life has added oxygen to our air. Scientists even study the upper layers of the air, called aeronomy. This area looks at how gases change in the highest parts of the atmosphere. We can even see weather on other worlds. Jupiter has a huge storm called the Great Red Spot. Mars has giant dust storms, and Neptune has holes in its atmosphere.

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🖼️ Images & Media (3)
File:Atmosphere composition diagram-en.svg
Atmosphere composition diagram-en.svg
File:CALIPSO - Artist Concept 2.jpg
CALIPSO - Artist Concept 2.jpg
File:Venus - October 29 2021 - Flickr - Kevin M. Gill.png
Venus - October 29 2021 - Flickr - Kevin...
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