搜索结果: 1-15 共查到“理学 Smoke”相关记录24条 . 查询时间(0.046 秒)
The Australian wildfires in 2019 and 2020 were historic for how far and fast they spread, and for how long and powerfully they burned. All told, the devastating “Black Summer” fires blazed across more...
UMD Physicists Discover “Smoke Rings” Made of Laser Light（图）
UMD Physicists Smoke Rings Laser Light
2016/9/29
Most basic physics textbooks describe laser light in fairly simple terms: a beam travels directly from one point to another and, unless it strikes a mirror or other reflective surface, will continue t...
SMOKE for Europe – adaptation, modification and evaluation of a comprehensive emission model for Europe
SMOKE for Europe adaptation modification evaluation a comprehensive emission model Europe
2014/12/9
The US EPA regional emission model SMOKE was adopted and modified to create temporally and spatially distributed emission for Europe and surrounding countries based on official reports and public doma...
Stratocumulus cloud thickening beneath layers of absorbing smoke aerosol
Stratocumulus cloud smoke aerosol
2010/12/28
Marine stratocumulus cloud properties, and the free-tropospheric environment above them, are examined in NASA A-Train satellite data for cases where smoke from seasonal burning of the West African sav...
Smoke injection heights from agricultural burning in Eastern Europe as seen by CALIPSO
Smoke injection agricultural burning Eastern Europe CALIPSO
2010/12/28
High frequency of agricultural fires is observed every year during the summer months over SW Russia and Eastern Europe. This study investigates the initial injection height of aerosol generated by the...
Optical closure experiments for biomass smoke aerosols
Optical closure experiments biomass smoke aerosols
2010/10/11
A series of laboratory experiments at the Fire Laboratory at Missoula (FLAME) investigated chemical, physical, and optical properties of fresh smoke samples from combustion of wildland fuels that are ...
Measured and modeled humidification factors of fresh smoke particles from biomass burning: role of inorganic constituents
humidification factors fresh smoke particles biomass burning inorganic constituents
2010/8/16
During the 2006 FLAME study (Fire Laboratory at Missoula Experiment), laboratory burns of biomass fuels were performed to investigate the physico-chemical, optical, and hygroscopic properties of fresh...
RIPPLE MARKS—THE STORY BEHIND THE STORY | Canyon "Ghost" Critical to Stream Ecosystems: Cougars Act as Guardians of Fish, Frogs • "Wavelet" Math Translates Whale Song into Art • Fire in the Sky, Smoke in the Water: Queen of American Lakes Under Siege from Fireworks Displays? • Jellyfish "Blooms" Signal Ailing Seas Ahead: Jellywatchers Help Scientists Track Locations
Ghost cat cat puma tupi predators habitat
2015/7/7
The ghost cat, it's been called, this feline that roams backcountry from the Yukon to Chile. It has dozens of names, from panther, to puma, to mountain lion. But its best descriptor, perhaps, is couga...
Cloud condensation nuclei in polluted air and biomass burning smoke near the mega-city Guangzhou, China – Part 1: Size-resolved measurements and implications for the modeling of aerosol particle hygroscopicity and CCN activity
Cloud condensation nuclei polluted air and biomass Size-resolved measurements and implications aerosol particle hygroscopicity CCN activity
2010/8/12
Atmospheric aerosol particles serving as Cloud Condensation Nuclei (CCN) are key elements of the hydrological cycle and climate. We measured and characterized CCN in polluted air and biomass burning s...
Molecular distributions of dicarboxylic acids,ketocarboxylic acids and α-dicarbonyls in biomass burning aerosols:implications for photochemical production and degradation in smoke layers
Molecular distributions dicarboxylic acids ketocarboxylic acids α-dicarbonyls biomass burning aerosols
2010/3/5
Aerosols in the size class <2.5 μm (6 daytime and 9 nighttime samples) were collected at a pasture site in Rondônia, Brazil, during the intensive biomass burning period of 16–26 September 2002 a...
Smoke injection heights from fires in North America: analysis of 5 years of satellite observations
Smoke injection heights fires North America
2010/2/21
We analyze an extensive record of aerosol smoke plume heights derived from observations over North America for the fire seasons of 2002 and 2004–2007 made by the Multi-angle Imaging SpectroRadiometer ...
Technical Note: Sensitivity of 1-D smoke plume rise models to the inclusion of environmental wind drag
1-D smoke plume rise models environmental wind drag Sensitivity
2010/2/1
Vegetation fires emit hot gases and particles which are rapidly transported upward by the positive buoyancy generated by the combustion process. In general, the final vertical height that the smoke pl...
Wildfire smoke in the Siberian Arctic in summer: source characterization and plume evolution from airborne measurements
Wildfire smoke Siberian Arctic summer source characterization airborne measurements
2009/12/31
We present airborne measurements of carbon dioxide (CO2), carbon monoxide (CO), ozone (O3), equivalent black carbon (EBC) and ultra fine particles over North-Eastern Siberia in July 2008 performed dur...
Aerosol effects on clouds and precipitation during the 1997 smoke episode in Indonesia
clouds precipitation smoke episode Indonesia
2009/3/12
In 1997/1998 a severe smoke episode due to extensive biomass burning, especially of peat, was observed over Indonesia. September 1997 was the month with the highest aerosol burden. This month was simu...
Around the world in 17 days - hemispheric-scale transport of forest fire smoke from Russia in May 2003
hemispheric-scale transport forest fire smoke Russia
2009/3/4
In May 2003, severe forest fires in southeast Russia resulted in smoke plumes extending widely across the Northern Hemisphere. This study combines satellite data from a variety of platforms (Moderate ...