Atmospheric Sciences It is an umbrella term for the study of the atmosphere, its processes, effects, and other systems (such as the oceans), on the atmosphere and the effects of the atmosphere on these other systems. Major Subdivisions Of Atmospheric Science 1. 2. 3. 4. 5. 6. Atmospheric Physics Atmospheric Chemistry Atmospheric Dynamics Climatology Meteorology and Forecasting Extraterrestrial Planetary Atmospheric Science Atmospheric physics is the application of physics to the study of the atmosphere. Atmospheric physicists attempt to model Earth's atmosphere and the atmospheres of the other planets using fluid flow equations, chemical models, radiation balancing, and energy transfer processes in the atmosphere as well as how these tie into other systems such as the oceans. Atmospheric Physics Atmospheric chemistry is the study of the components of planetary atmospheres, particularly that of the Earth. It specifically looks at the composition of planetary atmospheres and the reactions and interactions that drive these dynamic and diverse systems. Atmospheric Chemistry Atmospheric dynamics involves observational and theoretical analysis of all motion systems of meteorological significance including such diverse phenomena as standard storms, tornadoes, gravity waves, tropical hurricanes, extratropical cyclones, jet streams, and global-scale circulations. Atmospheric Dynamics Climatology is the study of the atmosphere and weather patterns over time. This field of science focuses on recording and analyzing weather patterns throughout the world and understanding the atmospheric conditions that cause them. It is sometimes confused with meteorology, which is the study of weather and weather forecasting. However, climatology is mainly focused on the natural and artificial forces that influence long-term weather patterns. Scientists who specialize in this field are called climatologists. https://education.nationalgeographic.org/resource/climatology Climatology Meteorology is the study of the atmosphere, atmospheric phenomena, and atmospheric effects on our weather. Meteorology includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting. It is the study of the state and processes of the atmosphere, such as weather and climate and how changes in temperature, pressure, humidity and wind speed and direction take place. Meteorology and Forecasting Extraterrestrial planetary atmospheric science is the study of the atmospheric processes of other planets. Extraterrestrial Planetary Atmospheric Science METEOROLOGY Meteorology is the science dealing with the atmosphere and its phenomena, including both weather and climate. βIt is the study of the state and processes of the atmosphere, such as weather and climate and how changes in temperature, pressure, humidity and wind speed and direction take place. β Look up at the sky. Is it raining or sunny? Are there big, puffy clouds that look like marshmallows, or dark, angry clouds threatening sleet? No matter how the sky appears, you are looking at Earth’s lower atmosphere, the realm that is studied by the science of meteorology. Meteorology concerns itself with the science of atmospheric properties and phenomena—science that includes the atmosphere’s physics and chemistry. https://education.nationalgeographic.org/resource/meteorology Meteorologists are often thought of as people who forecast the weather. And some meteorologists certainly do that! Predicting the weather is a complicated process, which requires both sophisticated new tools and some old-fashioned techniques. Meteorologists are observers and researchers. They note the physical conditions of the atmosphere above them, and they study maps, satellite data, and radar information. They also compare various kinds of weather data from local, regional, and global sources. Beyond weather forecasting, meteorology is concerned with long-term trends in climate and weather, and their potential impact on human populations. An important area of meteorological research these days is climate change and the effects it may cause. Many people wonder why the study of the atmosphere is called meteorology. The name comes from the ancient Greeks. In about 340 B.C.E., the Greek philosopher Aristotle wrote a book called Meteorologica, which contained all that was known at the time about weather and climate. Aristotle got the title of his book from the Greek word “meteoron,” which meant “a thing high up” and referred to anything observed in the atmosphere. That term stuck through the centuries, so experts on the atmosphere became known as meteorologists. Weather Weather is the condition of the Atmosphere at a particular place over a short period of time. Weather can be can be described in terms of temperature, precipitation (snow, rain and hail) wind speed and direction disability and cloud amounts. Climate Climate refers to the weather pattern of a place over a long period, maybe 30 years or more long enough to yield meaningful averages. IMPORTANCE OF METEOROLOGY Safe Navigation The knowledge of adverse weather for example large tidal waves ocean waves , high speed wind , cyclonic storms etcetera is needed. Industries many industries for their raw material depend on agricultural produce and accordingly location of industry is decided , so it is necessary to consider the weather and climate or example sugar mill, distillery, etc. Safe Aviation For transport through air , the pilots need information about atmospheric conditions Such as the electric lightning, High speed wind and their directions , thunderstorms foggy atmosphere, etc. Animal Production beef , poultry and milk production also depend on weather and meteorology provides the information for successful animal production and animal husbandry. IMPORTANCE OF METEOROLOGY • Fisheries Land Use Planning • Fisherman need information and atmospheric and oceanic changes before they proceed on sea The meteorological data supplemented with soil and topographic information help to plan the sites for the specific land use for drop production, forests, urban residence , industry etc. • Irrigation and Resources Human Health • Meteorological and hydrological information assists in planning the location, size and storage capacities of dams to ensure water supply for irrigation and domestic needs If any sudden change in the climatic conditions is experienced it results into epidemics of material fever, asthma patient suffers more during cloudy conditions. Atmospheric Changes Global Problem • Global Warming β A warming atmosphere affects more than just air temperatures: while heat waves and droughts are becoming more common and intense, rainstorms are also becoming more powerful, sometimes provoking dangerous floods. Wild Weather β The atmosphere is warming. We're starting to feel the effects. Actions You Can Take to Reduce Air Pollution • Follow these Tips Every Day to Reduce Pollution! 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Conserve energy - at home, at work, everywhere. Look for the ENERGY STAR label when buying home or office equipment. Carpool, use public transportation, bike, or walk whenever possible. Follow gasoline refueling instructions for efficient vapor recovery, being careful not to spill fuel and always tightening your gas cap securely. Consider purchasing portable gasoline containers labeled “spill-proof,” where available. Keep car, boat, and other engines properly tuned. Be sure your tires are properly inflated. Use environmentally safe paints and cleaning products whenever possible. Mulch or compost leaves and yard waste. Consider using gas logs instead of wood. On Days when High Ozone Levels are Expected, Take these Extra Steps to Reduce Pollution: 1. Choose a cleaner commute - share a ride to work or use public transportation. 2. Combine errands and reduce trips. Walk • to errands when possible. 3. Avoid excessive idling of your automobile. 4. Refuel your car in the evening when its • cooler. 5. Conserve electricity and set air conditioners no lower than 78 degrees. 6. Defer lawn and gardening chores that use gasoline-powered On Days when High Particle Levels are Expected, Take these Extra Steps to Reduce Pollution: 1. 2. 3. 4. Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment. https://www3.epa.gov/region1/airquality/reducepollution.html