搜索结果: 1-15 共查到“理学 summertime”相关记录20条 . 查询时间(0.196 秒)
Last ice-covered parts of summertime Arctic Ocean vulnerable to climate change
climate change summertime ice-covered part
2021/8/4
Last August, sea ice north of Greenland showed its vulnerability to the long-term effects of climate change. The region, part of what's known as the 'Last Ice Area' that could serve as a refuge for ic...
Variation of particle number size distributions and chemical compositions at the urban and downwind regional sites in the Pearl River Delta during summertime pollution episodes
particle number size distributions chemical compositions the urban and downwind regional sites the Pearl River Delta summertime pollution episodes
2010/10/11
In order to characterize the features of particulate pollution in the Pearl River Delta (PRD) in the summer, continuous measurements of particle number size distributions and chemical compositions wer...
Winter- and summertime continental influences on tropospheric O3 and CO observed by TES over the western North Atlantic Ocean
Winter- and summertime continental influences tropospheric O3 and CO TES the western North Atlantic Ocean
2010/8/12
The distributions of tropospheric ozone (O3) and carbon monoxide (CO), and the synoptic factors regulating these distributions over the western North Atlantic Ocean during winter and summer were inves...
The summertime “heat” low over Pakistan/northwestern India: evolution and origin
Heat low Desert heating Orographic forcing South Asian monsoon MONSOON DYNAMICS DESERT CLIMATE TROUGH SEA
2014/5/20
A deep low in sea-level pressure is present from May to September over Pakistan and northwestern India (hereafter, the Pak-India low). It is often referred as the "heat" low to convey the significance...
Contributions from DMS and ship emissions to CCN observed over the summertime North Pacific
DMS ship emissions CCN summertime North Pacific
2010/2/21
Measurements of cloud condensation nuclei (CCN) made over the North Pacific Ocean in July 2002 are analysed with concurrent measurements of aerosol number, mass and composition. Overall the CCN are co...
Observations of NOx, $§igma$PNs, $§igma$ANs, and HNO3 at a Rural Site in the California Sierra Nevada Mountains: summertime diurnal cycles
NOx HNO3 California Sierra Nevada Mountains summertime diurnal cycles
2009/7/23
Observations of NO, NO2, total peroxy nitrates (ΣPNs), total alkyl nitrates (ΣANs), HNO3, CO, O3, and meteorological parameters were obtained from October 2000 through February 2002 at 1315 m a.s.l., ...
Summertime impact of convective transport and lightning NOx production over North America: modeling dependence on meteorological simulations
convective transport lightning NOx production North America meteorological simulations
2009/7/15
Global-scale chemical transport model simulations indicate lightning NOx dominates upper tropospheric O3 production above Eastern North America during summertime but vary in their estimates. To improv...
Summertime PM2.5 ionic species in four major cities of China: nitrate formation in an ammonia-deficient atmosphere
PM2.5 ionic species China nitrate formation ammonia-deficient atmosphere
2009/3/13
Strong atmospheric photochemistry in summer can produce a significant amount of secondary aerosols, which may have a large impact on regional air quality and visibility. In the study reported herein,...
Attribution of projected changes in summertime US ozone and PM2.5 concentrations to global changes
projected changes summertime US ozone PM2.5 concentrations global changes
2009/3/13
The impact that changes in future climate, anthropogenic US emissions, background tropospheric composition, and land-use have on summertime regional US ozone and PM2.5 concentrations is examined throu...
Contribution of atmospheric processes affecting the dynamics of air pollution in South-Western Europe during a typical summertime photochemical episode
atmospheric processes dynamics of air pollution South-Western Europe summertime photochemical episode
2009/3/13
The southern Mediterranean region frequently experiences critical levels of photochemical pollutants during summertime. In order to account for the contribution of different atmospheric processes duri...
Are biogenic emissions a significant source of summertime atmospheric toluene in the rural Northeastern United States?
biogenic emissions summertime atmospheric toluene Northeastern United States
2009/3/12
Summertime atmospheric toluene enhancements at Thompson Farm in the rural northeastern United States were unexpected and resulted in a toluene/benzene seasonal pattern that was distinctly different fr...
Origin of anthropogenic hydrocarbons and halocarbons measured in the summertime european outflow
anthropogenic hydrocarbons summertime european outflow
2009/3/11
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35°19'N, 25°40'E) on the north coast of Crete and subsequent...
Aerosol sources and their contribution to the chemical composition of aerosols in the Eastern Mediterranean Sea during summertime
Aerosol sources aerosols Eastern Mediterranean Sea
2009/3/10
A detailed study on the temporal variability of compounds important in controlling aerosol chemical composition was performed during a one-month experiment conducted during summer 2000 at a background...
Summertime Coastal Currents in the Northeastern Gulf of Mexico
Summertime Coastal Currents Northeastern Gulf Mexico
2009/1/21
Observations of currents and temperature at a mooring on the 18 m isobath, 30 km south of the Florida shoreline, are discussed for the 31-day period 15 August–15 September 1978. Tidal currents, having...
Stratosphere-troposphere exchange in a summertime extratropical low: analysis
Stratosphere-troposphere exchange summertime extratropical low
2009/1/9
Ozone and carbon monoxide measurements sampled during two commercial flights in airstreams of a summertime midlatitude cyclone are analysed with a Lagrangian-based study (backward trajectories and a R...