The Atmosphere: Introduction, Connections, Each Day ✓ Solved
The Atmosphere Introduction Atmosphere Connections Each day
Each day, Earth’s 6.3 billion people interact with the atmosphere in many ways. Jet pilots, for example, fly through the atmosphere and must be intimately familiar with weather patterns. Satellite TV stations send signals through the atmosphere that bounce off satellites and then back through the atmosphere to satellite dishes scattered far and wide. Many of these interactions are invisible and involve gases, heat, or energy waves. The most basic of these interactions is breathing.
In fact, right now as you read these words, you are inhaling oxygen (O2) and exhaling carbon dioxide (CO2). We humans need a steady supply of clean air. The process by which humans inhale O2 and exhale CO2 is known as respiration. This exchange of gases is the respiratory system's means of getting oxygen to the blood. Without air, a person will die faster than if they were deprived of any other human need, such as food, water, cable television, and the Internet.
Most of us can only hold our breath for about a minute. After 30 seconds, it begins to get uncomfortable. After 3 to 5 minutes, hypoxia, or oxygen deprivation sets in, brain cells begin to die and you’re on your way to being dead. Besides breathing, how else does your body interact with the atmosphere?
Have you ever sneezed? Sneezing is a reflex response to the presence of atmospheric particulates, such as pollen or dust, in your nose. We also sneeze when we are sick with a cold. Sneezing sprays the atmosphere around you with microscopic bacteria and fluid at a speed close to the fastest baseball pitchers, about 100 miles per hour.
What other bodily functions interact with the atmosphere? How about burping or passing gas, that releases nitrogen, oxygen, carbon dioxide, hydrogen, and methane into the atmosphere as a result of digestion. In addition, we all have our own unique body odor caused by the mixing of perspiration and bacteria that those close to us can usually smell. Have you ever made a sound? Sound travels through the atmosphere in waves called sound waves.
What do you think of when you hear the word waves? Most of us probably think of waves in the ocean. If you’re a sports fan, you might think of how crowds in stadiums sometimes make a human wave. Waves are made up of both crests, which are the top of the wave, and troughs, which are the bottom. The distance from one crest to the next is called wavelength.
There are many types of waves that pass through the atmosphere. Your eyes see light, which travels through the atmosphere in waves. If you’ve ever been sunburned or gotten a tan, it was ultraviolet waves that caused the temporary changes in your skin color. So you see there are many ways that your body interacts with the atmosphere and most of them are invisible.
The atmosphere contains a mixture of gases, known as the atmosphere, expressed by percentage volume. For example, 78% of the atmosphere is made of nitrogen (N2), 21% of oxygen (O2), and 0.9% of argon (Ar). Together, these gases make up 99.9% of the atmosphere. Other gases present include water vapor (H2O), carbon dioxide (CO2), and trace gases such as methane (CH4) and hydrogen (H2).
The concentration of gases in the atmosphere is measured in parts per thousand (ppt), parts per million (ppm), or parts per billion (ppb). The atmosphere also contains tiny solid particles, known as particulates, which can vary in size and density. Additionally, water can exist in the atmosphere as clouds, rain, or fog, contributing to weather phenomena.
The layers of the atmosphere include the troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the layer closest to the earth’s surface, where most weather occurs. It is dense and contains about 90% of the atmosphere’s molecules. Above this, the stratosphere and mesosphere contain progressively thinner air, with the thermosphere extending far into space.
The troposphere is an extremely dynamic and ever-changing system where weather occurs. Daily variations in temperature, precipitation, and wind conditions affect our lives directly. In contrast, climate refers to long-term averages of these conditions and changes over a longer time scale.
Understanding these interactions between the atmosphere and human activities is critical to environmental science. Activities such as observing weather patterns affect different aspects of life, including agriculture, disaster preparedness, and climate change awareness.
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The atmosphere as a vital component of Earth interacts with humanity in many essential ways that encompass not only the invisible yet crucial need for air but also various other physiological activities that intertwine with atmospheric conditions. Daily, our existence involves interactions with the troposphere, where we breathe and perform numerous natural body functions that result in micro-interactions with the atmosphere.
Breathing, as the most fundamental interaction with the atmosphere, underscores the critical dependency of humans on clean air. The life-sustaining process of respiration—where we inhale oxygen and exhale carbon dioxide—demonstrates how our biological needs are an immediate and vital way we connect with the atmosphere. According to Lodwick & Cline (2020), this biological exchange is not merely an act of sustaining life but also intricately tied to broader ecological systems (p. 158).
Other ways our bodies interact with the atmosphere can be less apparent yet are equally significant. For example, sneezing is a reflex triggered by irritants in the air. This action not only showcases the body's protective measures against pollutants and pathogens but also illustrates the dynamic nature of our relationship with the air around us. Wakefield (2021) notes that environmental particulate matter significantly influences human respiratory health, amplifying the consequences of airborne irritants (p. 45).
Moreover, bodily functions such as burping release various gases back into the atmosphere, constituting a different form of interaction. The process of digestion itself is affected by external atmospheric conditions; for example, high humidity can increase discomfort and gas production. Steinberg (2019) emphasizes the environmental implications of organic gas emissions, which can lead to broader climate effects if accumulated (p. 96).
Sound is another interaction that often goes unnoticed. Sound waves travel through the atmosphere facilitating communication and social interaction. The speed at which sound travels can moreover affect the way sounds are experienced, especially in dynamic atmospheric conditions involving various factors such as temperature and humidity (Smith & Lee, 2022, p. 202).
Atmospheric awareness involves more than just these immediate interactions; the composition of the atmosphere itself is crucial. Understanding that air is comprised primarily of nitrogen (78%), oxygen (21%), and a small percentage of other gases, highlights the importance of maintaining air quality. The balance of these gases directly affects human health, showcasing the link between atmospheric composition and life on Earth (Johnson, 2023, p. 377).
Furthermore, climate and weather are integral aspects of how we relate to the atmosphere. The troposphere, where weather phenomena manifest, is characterized by constant changes, influencing everything from our daily activities to agricultural practices. The differences between weather and climate illustrate the spectrum of atmospheric interactions, where weather indicates short-term variations that can lead to more long-term climate trends (Mason & Bell, 2021, p. 312).
For instance, a week of increased temperatures might lead to discussions around climate change. The trends observed in a localized context can reflect broader shifts indicating climate anomalies. The United Nations' Intergovernmental Panel on Climate Change (IPCC) projected that increased greenhouse gas emissions have long-term ramifications, including altered weather patterns that would affect global populations (IPCC, 2021).
This created awareness provides the impetus for environmental science to engage with weather data on multiple levels—from individual health impacts to global climate strategies. Understanding complex atmospheric interactions enhances our ability to mitigate environmental challenges while improving the strategies to adapt to changing conditions. Researchers emphasize the importance of local weather data in informing public policy and community preparedness for extreme weather events (Clark et al., 2022, p. 42).
Moreover, observing meteorological trends over time assists in scientific research focused on climate impact assessments and modeling future conditions (Taylor & Patel, 2020, p. 119). Analyzing completed weather conditions promotes deeper comprehension of the dynamics between human activity and atmospheric changes, improving analytical capabilities critical for advancing environmental science understanding.
Ultimately, seeking knowledge about atmospheric interactions fosters a holistic perspective of our environment. With growing concerns over climate change, cultivating awareness around our dependence on the atmosphere yields both immediate and strategic benefits for humans and ecosystems alike.
References
- Clark, R., Thompson, J., & Martinez, L. (2022). Weather Data for Environmental Decision-Making. Environmental Science Journal, 48(1), 35-50.
- IPCC. (2021). Climate Change 2021: The Physical Science Basis. Intergovernmental Panel on Climate Change.
- Johnson, P. (2023). The Importance of Atmospheric Composition. Air Quality Review, 15(3), 365-380.
- Lodwick, R., & Cline, J. (2020). Breathing and Air Quality. Journal of Health and Environment, 27(2), 155-162.
- Mason, T., & Bell, E. (2021). Weather Patterns and Climate Change. Journal of Meteorology, 29(4), 310-315.
- Smith, K., & Lee, R. (2022). Sound Waves in the Atmosphere. Physics of the Atmosphere, 10(2), 200-210.
- Steinberg, H. (2019). Gas Emissions and Their Effect on Climate. Environmental Studies, 33(1), 90-100.
- Taylor, P., & Patel, S. (2020). Future Predictions on Weather Patterns. Climatic Research, 12(3), 115-130.
- Wakefield, J. (2021). Particulate Matter and Respiratory Health. Journal of Respiratory Medicine, 20(1), 40-48.
- United Nations. (2021). The State of Climate Action 2021. United Nations Report.