نتایج جستجو برای: latitude low pressure weather system can cause strong tropospheric mixing
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The main synoptic meteorological features influencing Chile are: (a) Pacific anticyclone (PA), (b) coastal low (CL), (c) what has been called enhancement of coastal low (ECL) a nucleation of the CL frequently observed during summer in Central Chile, and (d) subtropical lows (STL) and subpolar lows (SPL). The SPL will not be considered in the present paper. All four features can be identified wi...
A new paradigm in upper atmospheric and ionospheric physics has begun to emerge, starting with discoveries from observations taken with the Imager for MagnetopausetoAurora Global Exploration ( IMAGE) satellite in 2002. These discoveries [Immel et al., 2006] show that the entire ionosphere, sometimes referred to as “the inner edge of space,” regularly responds to the tropospheric weather systems...
[1] Water vapor in the subtropical troposphere plays an important role in the radiative balance, the distribution of precipitation, and the chemistry of the Earth’s atmosphere. Measurements of the water vapor mixing ratio paired with stable isotope ratios provide unique information on transport processes and moisture sources that is not available with mixing ratio data alone. Measurements of th...
To study the latitudinal variation of tropospheric ozone over the eastern Pacific Ocean, we derive ozone in the lower troposphere by subtracting TOMS column ozone over the Andes from the ozone column over the eastern Pacific Ocean. The analysis of tropospheric ozone climatology in conjunction with meteorological and biomass-burning data suggests three latitude bands with different characteristi...
introduction the dynamic state index (dsi) is being introduced on the basis of a newly developed theory termed the energy-vorticity theory (evt). as a weather index, the dsi can describe the temporal sequence and intensity of areas of high and low pressure; but as a climate index, it can also diagnose climate change based on the variation in solar radiation or the influences of friction. in phy...
This study examines how aerosol absorption affects the extratropical circulation by analyzing the response to a globally uniform increase in black carbon (BC) simulated with an atmospheric general circulation model forced by prescribed sea surface temperatures. BC-induced heating in the free troposphere stabilizes the mid-latitude atmospheric column, which results in less energetic baroclinic e...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
Abstract Coastal flooding is one of the most costly and deadly natural hazards facing US Mid-Atlantic region today. Impacts in this heavily populated economically significant are caused by a combination location’s exposure forcing from storms sea-level rise. Tropical cyclones (TCs) mid-latitude (ML) weather systems each have extreme coastal region. Skew surge was computed over tidal cycle for p...
The Global Positioning System/Meteorology (GPS/MET) Program was established in 1993 by the University Corporation for Atmospheric Research (UCAR) to demonstrate active limb sounding of the Earth's atmosphere using the radio occultation technique. The demonstration system observes occulted GPS satellite signals received by a low Earth orbiting (LEO) satellite, MicroLab1, launched April 3, 1995. ...
a r t i c l e i n f o Keywords: Atmosphere Tropospheric noise Corrections Phase-based Spectrometers Weather models InSAR State-of-the-art TRAIN Correcting for tropospheric delays is one of the largest challenges facing the interferometric synthetic aperture radar (InSAR) community. Spatial and temporal variations in temperature, pressure, and relative humidity create tropospheric signals in InS...
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