搜索结果: 1-15 共查到“国际动态 大气科学 atmospheric”相关记录19条 . 查询时间(0.053 秒)


Atmospheric scientists study fires to resolve ice question in climate models(图)
Atmospheric scientists fires resolve ice question climate models
2020/9/4
When fossil fuel or biomass burns, soot -- also known as black carbon -- fills the air. Black carbon is an important short-term climate driver because it absorbs solar energy and can affect the format...

Atmospheric scientists identify cleanest air on Earth in first-of-its-kind study(图)
Atmospheric scientists identify cleanest air Earth first-of-its-kind study
2020/6/12
Atmospheric scientist Sonia Kreidenweis of Colorado State University and her colleagues have identified an atmospheric region unchanged by human-related activities. The National Science...

Six million years ago, atmospheric shifts led to increased diversity of grassland mammals(图)
Six million years ago atmospheric shifts grassland mammals
2019/10/30
Six million years ago, grass-eating mammals became more diverse in South America. Shifts in tropical atmospheric circulation known as Hadley circulation led to changes in climate and vegetation, espec...
Atmospheric scientists conduct field experiment to study wind flow over complex mountain terrain
Atmospheric scientists conduct field experiment wind flow over complex mountain terrain
2017/7/21
Over the past month, researchers have descended on Portugal's Vale Do Cobrão near the Spanish border to study the valley's wind flow patterns.The international project, known as Perdigão aft...
Scientists Study Atmospheric Waves Radiating out of Hurricanes
Scientists Atmospheric Waves Radiating Hurricanes
2017/7/20
Researchers believe they have found a new way to monitor the intensity and location of hurricanes from hundreds of miles away by detecting atmospheric waves radiating from the centers of these powerfu...
Atmospheric scientists wrap up winter cloud-seeding project in southwestern Idaho
Atmospheric scientists wrap up winter cloud-seeding project southwestern Idaho
2017/4/27
Can cloud seeding -- dispersing particles into the air with the aim of increasing precipitation -- increase snowfall?This winter, a team of researchers funded by the National Science Foundation (NSF) ...
Scientists link California droughts and floods to distinctive atmospheric waves
Scientists California droughts floods atmospheric waves
2017/4/27
The crippling wintertime droughts that struck California from 2013 to 2015, as well as this year's unusually wet California winter, appear to be associated with the same phenomenon: a distinctive wave...
Atmospheric scientists take to the skies to test cloud seeding for snow
Atmospheric scientists the skies test cloud seeding snow
2017/2/16
Can cloud seeding -- dispersing particles into the air with the aim of increasing precipitation -- increase snowfall? This week, a team of researchers began a cloud-seeding project in southwestern Ida...
JILA Team Spots Elusive Intermediate Compound in Atmospheric Chemistry
JILA Team Spots Elusive Intermediate Compound Atmospheric Chemistry
2016/11/4
JILA physicists and colleagues have identified a long-missing piece in the puzzle of exactly how fossil fuel combustion contributes to air pollution and a warming climate. Performing chemistry experim...
Earlier snowmelt decreases streamflow,reduces forests'ability to regulate atmospheric carbon dioxide
snowmelt decreases streamflow reduces forests'ability atmospheric carbon dioxide
2016/8/11
Earlier annual snowmelt periods may hinder the ability of forests to regulate atmospheric carbon dioxide (CO2), according to the results of a new study.The findings, published in Geophysical Research ...
Atmospheric scientists boldly go into the heart of a tornado
Atmospheric scientists heart tornado
2016/7/4
It was the afternoon of May 9, dead center in Tornado Alley: Oklahoma. Severe thunderstorms were forecast for the southern part of the state.That was the "go" call for atmospheric scientists Josh Wurm...

Atmospheric Sulfate Particles Reduced,but as Acidic as Ever(图)
Atmospheric Sulfate Particles Reduced Acidic as Ever
2016/3/2
Something very similar is happening in the atmosphere. Acidic sulfur emissions from power plants have been rapidly declining over the past decade, and the neutralizing base – ammonia – is emitted from...
Variations in atmospheric oxygen levels shaped Earth’s climate through the ages
oxygen levels Earth’s climate
2015/6/18
Variations in the amount of oxygen in Earth's atmosphere significantly altered global climate throughout the planet's history. Efforts to reconstruct past climates must include this previously overloo...

Researchers Develop New Instrument to Monitor Atmospheric Mercury(图)
Researchers Instrument to Monitor Atmospheric Mercury
2015/3/4
Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science developed and tested a new sensor to detect ambient levels of mercury in the atmosphere. Funded through ...