on June 4, 2024
The Ethereal Dance: Capturing Sprites in the Nighttime Sky
Upper AtmosphereThe Phenomenon of Sprite Photography in the Upper Atmosphere Capturing the ethereal beauty of sprites, those fleeting electrical discharges that occur high above thunderstorms, has long been a fascinating challenge for atmospheric scientists and astrophotographers alike. These elusive phenomena, visible only at night and often lasting only milliseconds, provide a unique opportunity to study the
on March 9, 2024
Comparing Atmospheric Transport Mechanisms of Trace Metals in the Upper Atmosphere: Insights from Earth Science
Upper Atmosphere1. Getting Started The transport and distribution of trace metals in the atmosphere play a critical role in understanding their sources, fate, and potential impacts on human health and the environment. Trace metals are elements present in the atmosphere at very low concentrations, typically less than 1 µg/m³. These metals can originate from both natural
on October 26, 2023
Unveiling the Significance: Satellite-based Measurements of Atmospheric BrO and ClO in Earth’s Upper Atmosphere
Upper AtmosphereUnderstanding the Significance of Atmospheric BrO and ClO Measurements by Satellite The upper atmosphere plays a critical role in maintaining the delicate balance of our planet’s climate and protecting life on Earth. To understand the intricate mechanisms at work in this region, scientists rely on satellite-based measurements to gather valuable data. One such area of
on October 26, 2023
Are atmospheric halogen oxides “supposed to be” in the atmosphere? Where do they come from?
Upper AtmosphereGetting Started Atmospheric halogen oxides are a group of highly reactive compounds that play an important role in the chemistry of the Earth’s atmosphere. These compounds, which include chlorine oxides (ClOx), bromine oxides (BrOx), and iodine oxides (IOx), are known to be present in trace amounts in the upper atmosphere. Their presence is of great
on September 27, 2023
Unveiling the Martian Mystery: Exploring Pulsating UV Waves on Mars and Their Earthly Analogies
Upper AtmosphereUnderstanding Mars’ Pulsing UV Waves: A Puzzle in the Martian Atmosphere The mysterious phenomenon of Mars pulsing three times per night in the ultraviolet (UV) spectrum has captivated scientists and space enthusiasts alike. This peculiar behavior, observed in the upper atmosphere of the Red Planet, has raised numerous questions about its origin, nature, and possible
on August 14, 2023
Revisiting the Ozone Layer: Is the Hole Still a Concern?
Upper AtmosphereIs there still a hole in the ozone layer? live code server FAQs 1. Is there still a hole in the ozone layer? Yes, although the size of the ozone hole has been decreasing in recent years, it still exists. It is important to note that the term “hole” refers to a region of severely
on September 27, 2022
Persistence time of ozone
Upper AtmosphereAsked by: Ruth Hamkens O3 has the shortest lifetime (τ = ~1 hour in urban atmosphere, McClurkin et al., 2013) among the three pollutants. The level of ozone is affected by its precursors (NO2 and VOCs), which both have large variability(Sharma et al., 2016). … How long can ozone molecules last? Ozone decomposition Temp (°C)