Articles tagged with Water Vapor
Researchers have found combustion water in Salt Lake City's winter inversions, with cars and home heating being the largest sources. The study provides a new method for measuring greenhouse gas emissions and studying urban weather.
Climate models predict a 50% increase in lightning strikes across the US due to global warming, which will lead to more human injuries and wildfires. The study used precipitation and cloud buoyancy data from climate models and found that these two parameters can predict lightning strikes with high accuracy.
Researchers have detected water vapor and hydrogen on the exoplanet HAT P-11b, a planet about four times bigger than Earth. This discovery supports astronomers' ideas about planetary formation and suggests that small planets may be rich in heavy elements like oxygen.
A new study from the University of Miami Rosenstiel School confirms that rising levels of water vapor in the upper troposphere will intensify climate change impacts. Human activities, such as burning fossil fuels, increase greenhouse gases, leading to higher temperatures and more atmospheric moisture.
Astronomers using NASA's Hubble Space Telescope found three 'hot Jupiters' with significantly lower than expected water vapor levels, challenging current theories on planet formation and migration. The discovery may require instruments to be designed with higher sensitivity for future space telescopes searching for water in potentially...
Research using data from NASA missions and computer simulations indicates an increase in noctilucent cloud presence between 40 and 50 degrees north latitude. Temperatures at high altitudes have decreased, raising questions about climate change.
Researchers from Brown University have assembled a 60,000-year record of rainfall in central Indonesia, showing that the region's normally wet climate was interrupted by a severe dry period during peak ice age. This finding provides crucial data for predicting how the region might respond to global warming.
Researchers discover that only 20-30% of water vapor molecules condense on a liquid surface, while the majority bounce away. The study's findings could lead to more efficient desalination membranes and fundamental understanding of fluid flow at the nanoscale.
Recent AGU publications explore the surface dynamics of Titan's second-largest lake, Ligeia Mare. Researchers found that the lake's surface is flat, suggesting no waves or wind in the region. Additionally, new research on U-shaped glacial valleys suggests a tectonic stress feedback loop played a crucial role in their formation.
Researchers found that condensation on canned beverages can increase the drink's temperature by six degrees Fahrenheit in just five minutes. This is more than twice as much as it would warm in dry heat conditions, highlighting the importance of keeping condensation from forming on the outside of cans.
A UCI study found that doubling of moisture in air doubles summer rain, boosting runoff but also accelerating monsoons. The extra water vapor accelerates atmospheric circulation, drawing in more moisture from the Gulf of Mexico.
Researchers calculated wind power potential worldwide, accounting for climate impacts and found it exceeds global energy demands. The maximum theoretical potential is over 250 terawatts globally and 80 TW over land and ocean areas.
NASA's Global Hawk aircraft has begun flying over Hurricane Leslie in the Atlantic Ocean, collecting data on hurricane formation and intensification. The mission will help researchers understand the relative roles of large-scale environment and internal storm processes in shaping hurricanes.
Scientists tracked shuttle exhaust to study atmospheric winds and polar mesospheric clouds. The plume spread faster than expected, forming unusual bright high-altitude clouds near the Arctic.
Astronomers have found the largest and farthest reservoir of water ever detected in the universe, located in a distant quasar with a massive black hole. The discovery provides valuable information about the early universe's water vapor behavior and its influence on cosmic evolution.
Astronomers have discovered a massive reservoir of water vapor 30 billion light-years away in a quasar, which is 100,000 times more massive than the sun. The water vapor is distributed around a black hole and provides insights into its environment.
Researchers discover unique ocean current rings off Brazil's coast, with properties including size, speed, depth, and rotation velocity. Additionally, scientists capture detailed profiles of ice water content in the Martian near-surface atmosphere, revealing thickest concentrations at 50 meters above the surface.
A NASA study reveals that carbon dioxide plays a crucial role in regulating Earth's temperature, accounting for 25% of the greenhouse effect. The research demonstrates that without non-condensing greenhouse gases like carbon dioxide, water vapor and clouds cannot sustain the planet's greenhouse effect.
A new study published in PLoS Biology found that absolute humidity is the underlying cause of seasonal influenza outbreaks. The researchers used 31 years of observed data to drive a mathematical model of influenza and found that the model simulations reproduced the observed seasonal cycle of influenza throughout the United States.
Texas A&M researcher Moustafa Chahine unveils new measurements of carbon dioxide in the mid-troposphere, validating against aircraft and ground-based observations. The data support climate models predicting a doubling of warming due to water vapor's amplifying effect.
Two new studies found evidence of a large volcanic eruption in 1809 that contributed to the coldest decade on record. Researchers analyzed ice cores from Greenland and Antarctica, as well as stalagmites in Turkey, to shed light on this event. The findings challenge previous theories on climate change and provide valuable insights into ...
New research confirms human-induced warming increases atmospheric water vapor content, a greenhouse gas amplifying global warming. Climate models' ability to identify this effect is not influenced by their quality.
A recent study suggests that Saturn's moon Enceladus' water vapor jets originate from the surface and not an underground ocean. The research, conducted by the University of Colorado at Boulder, found that the sodium content in the water vapor was too low to support the geyser hypothesis.
New Cornell University research links 1908 Tunguska explosion to comet entry, supported by NASA space shuttle exhaust plume. The study reveals a possible connection between the two events through noctilucent clouds, which are the Earth's highest clouds forming at high altitudes and in extremely cold temperatures.
Climate scientist Andrew Dessler explains that warmer temperatures lead to higher humidity, causing additional warming through the water vapor feedback mechanism. This process is responsible for significant predicted warming over the next century, with potential devastating long-term consequences.
Scientists found that vents on Enceladus channel water vapor from a warm, probably liquid source to the surface at supersonic speeds. This supports a theory that tidal heating causes geysers and provides implications for life in the solar system.
Researchers used NASA satellite data to estimate the heat-trapping effect of water vapor, validating its critical component role in climate change. The study found that increasing water vapor leads to a spiraling cycle of warming and increased absorption, amplifying the warming effect of other greenhouse gases.
Scientists compared Antarctic temperatures and snowfall to climate models, finding a poor match for the entire last century. The discrepancy suggests that current computer models may not work well for remote regions.
Researchers have identified human-induced changes in atmospheric moisture content using rigorous statistical methods. The study found that the atmosphere's water vapor content has increased by about 0.41 kg/m³ per decade since 1988, primarily due to human-caused greenhouse gas emissions.
Scientists from NOAA's Earth System Research Lab will conduct a field study in Costa Rica to observe the troposphere during the rainy season. They aim to understand key processes related to climate change, the stratospheric ozone layer, and global chemistry.
Scientists have obtained a spectrum of a planet orbiting another star, revealing the presence of silicate dust in its atmosphere. The discovery was made using NASA's Spitzer Space Telescope and represents a significant advance in extrasolar planetary science.
The researchers will build a two-color light-detection and ranging system (LIDAR) to measure aerosol concentrations up to several miles high. This device will help understand complex relations between aerosols, greenhouse gases, and global warming.
Researchers aim to investigate high humidities in upper troposphere and their impact on water vapor distribution. The study suggests that current models may need significant adjustments if the findings are accurate.
Scientists are using a powerful array of instruments to dissect the region's atmosphere and understand intense urban air pollution episodes. The experiment is also evaluating next-gen weather forecasting tools and tracking water vapor, a stronger greenhouse gas involved in climate change.
A study by UCLA physicists reveals a connection between water vapor in the atmosphere and intense rainfall, using statistical properties similar to those found in magnets. This finding may lead to more accurate climate models and improved precipitation prediction under global warming.
Researchers found that thunderstorms over Tibet transport nearly three times more water vapor into the lower stratosphere than those in India. The study also reveals that Tibetan storms are responsible for transporting carbon monoxide to the upper atmosphere, affecting air pollution.
Researchers find strong water vapor feedback contributing to warming in Central and Northeastern Europe. The study shows that manmade greenhouse gases are responsible for a smaller portion of the warming, while rising cloudiness and evapotranspiration play a larger role.
Recent Cassini findings suggest that Enceladus' south pole is the source of water vapor and fine icy particles, defying previous assumptions. The discovery sheds light on the moon's internal heat and its connection to the E ring, offering a new perspective on Saturn's complex system.
The WVSS II sensors gather data more often, at higher vertical resolution, and at lower cost than satellites and balloons. This improves forecasts of thunderstorms, microbursts, turbulence, fog, ceiling visibility, rotating wakes from other aircraft, snow and ice storms, and year-round precipitation.
A recent NASA study verified that water vapor in the atmosphere increases with rising temperatures, contradicting some climate scientists' claims of a decrease. The researchers found the positive water vapor feedback to be weaker than expected, which may impact global climate predictions.
Scientists found that space shuttle exhaust can transport water vapor to the Arctic mesosphere, forming noctilucent clouds. The study used data from a launch vehicle instrument and confirmed the plume trajectory with ground-based observations.
A new GPS-based index improves lightning strike forecasts by nearly 10% and reduces false alarm rates by 26% at the Kennedy Space Center. The index combines data on water vapor in the atmosphere with other meteorological data to provide valuable guidance for forecasters.
Scientists found that climate change from greenhouse gases may greatly slow ozone recovery due to increased water vapor and temperature changes in the upper atmosphere. Ozone levels are expected to reach their lowest point by around 2006, according to NASA research.
A massive weather study is underway in Kansas, Oklahoma, and Texas, using six aircraft and 30 ground sensors to track water vapor and predict heavy rain. The IHOP2002 project aims to improve forecasts from 1 to 12 hours ahead of heavy rain, which could help in flash-flood safety and other applications.
A team of scientists developed a numerical model to simulate vulcanian eruptions, using field data and computer simulations to understand the internal processes. The model revealed that water vapor leakage affects explosion energy and pinpointed the source of pyroclastic flows.
Researchers at Penn State have developed a new model for vulcanian eruptions, which they validated using data from the Soufriere Hills volcano. The model suggests that water vapor leakage plays a crucial role in determining the rate and force of these explosive events.
Scientists from NASA and Colorado State University present research on the link between water vapor and climate change, highlighting its significant impact on global warming. Water vapor's unique molecular structure and potential heat stored within it influence storm formation and atmospheric circulation.
Recent satellite data show no definitive warming trend in Earth's lower atmosphere over past two decades, contradicting computer models' predictions. The accurate temperature measurements are verified by multiple methods, including balloon-borne observations and intercalibration among orbiting platforms.