搜索结果: 76-90 共查到“理学 the Arctic”相关记录269条 . 查询时间(0.223 秒)
Sources of light-absorbing aerosol in arctic snow and their seasonal variation
light-absorbing aerosol arctic snow seasonal variation
2010/11/30
Two data sets consisting of measurements of light absorbing aerosols (LAA) in arctic snow together with suites of other corresponding chemical constituents are presented; the first from Siberia, Green...
IASI carbon monoxide validation over the Arctic during POLARCAT spring and summer campaigns
IASI carbon monoxide the Arctic POLARCAT spring summer campaigns
2010/11/30
In this paper, we provide a detailed comparison between carbon monoxide (CO) data measured by the Infrared Atmospheric Sounding Interferometer (IASI)/MetOp and aircraft observations over the Arctic. T...
Characterising aerosol transport into the Canadian High Arctic using aerosol mass spectrometry and Lagrangian modelling
aerosol transport the Canadian High Arctic aerosol mass spectrometry Lagrangian modelling
2010/11/30
We report the analysis of measurements made using an aerosol mass spectrometer (AMS; Aerodyne Research Inc.) that was installed in the Polar Environment Atmospheric Research Laboratory (PEARL) in summ...
Dynamics of the Antarctic and Arctic mesosphere and lower thermosphere – Part 1: Mean winds
the Antarctic and Arctic mesosphere lower thermosphere Mean winds
2010/11/29
Zonal and meridional winds have been measured in the upper mesosphere and lower thermosphere at polar latitudes using two ground-based meteor radars. One radar is located at Rothera (68° S, 68° W) in ...
Ozone variability and halogen oxidation within the Arctic and sub-Arctic springtime boundary layer
Ozone variability halogen oxidation the Arctic and sub-Arctic springtime boundary layer
2010/11/3
The influence of halogen oxidation on the variabilities of ozone (O3) and volatile organic compounds (VOCs) within the Arctic and sub-Arctic atmospheric boundary layer was investigated using field mea...
Pathways of PFOA to the Arctic: variabilities and contributions of oceanic currents and atmospheric transport and chemistry sources
PFOA the Arctic oceanic currents atmospheric transport chemistry sources
2010/10/21
Perfluorooctanoic acid (PFOA) and other perfluorinated compounds are industrial chemicals in use for decades which resist degradation in the environment and seem to accumulate in polar regions. Transp...
Spatial, temporal, and vertical variability of polar stratospheric ozone loss in the Arctic winters 2004/2005–2009/2010
polar stratospheric ozone the Arctic winters
2010/10/21
The polar stratospheric ozone loss during the Arctic winters 2004/2005–2009/2010 is investigated by using high resolution simulations from the chemical transport model Mimosa-Chim and observations fro...
Arctic shipping emissions inventories and future scenarios
Arctic shipping emissions future scenarios
2010/10/21
This paper presents 5 km×5 km Arctic emissions inventories of important greenhouse gases, black carbon and other pollutants under existing and future (2050) scenarios that account for growth of shippi...
Aircraft observations of enhancement and depletion of black carbon mass in the springtime Arctic
Aircraft observations black carbon mass the springtime Arctic
2010/10/21
Understanding the processes controlling black carbon (BC) in the Arctic is crucial for evaluating the impact of anthropogenic and natural sources of BC on Arctic climate. Vertical profiles of BC mass ...
Long-term trends of black carbon and sulphate aerosol in the Arctic: changes in atmospheric transport and source region emissions
black carbon sulphate aerosol the Arctic atmospheric transport source region emissions
2010/10/11
To reveal the contribution of different source regions on these trends, we used a cluster analysis of the output of the Lagrangian particle dispersion model FLEXPART run backward in time from the meas...
A closer look at Arctic ozone loss and polar stratospheric clouds
Arctic ozone loss polar stratospheric clouds
2010/9/21
The empirical relationship found between column-integrated Arctic ozone loss and the potential volume of polar stratospheric clouds inferred from meteorological analyses is recalculated in a self-cons...
Atmospheric transport of persistent semi-volatile organic chemicals to the Arctic and cold condensation in the mid-troposphere – Part 2: 3-D modeling of episodic atmospheric transport
Atmospheric transport persistent semi-volatile organic chemicals the Arctic and cold condensation the mid-troposphere episodic atmospheric transport
2010/8/16
Two 3-dimensional global atmospheric transport models for persistent organic pollutants (POPs) have been employed to investigate the association between the large-scale atmospheric motions and polewar...
Atmospheric transport of persistent semi-volatile organic chemicals to the Arctic and cold condensation in the mid-troposphere – Part 1: 2-D modeling in mean atmosphere
Atmospheric transport persistent semi-volatile organic chemicals the Arctic and cold condensation the mid-troposphere mean atmosphere
2010/8/16
In the first part of this study for revisiting the cold condensation effect on global distribution of semi-volatile organic chemicals (SVOCs), the atmospheric transport of SVOCs to the Arctic in the m...
Satellite observations of long range transport of a large BrO plume in the Arctic
Satellite observations a large BrO plume the Arctic
2010/8/16
In this study, BrO measurements from the satellite instrument GOME-2 are used together with model calculations with the dispersion model FLEXPART to study an arctic BrO event in March 2007, which coul...
Bromine measurements in ozone depleted air over the Arctic Ocean
Bromine measurements ozone depleted air the Arctic Ocean
2010/8/16
In situ measurements of ozone, photochemically active bromine compounds, and other trace gases over the Arctic Ocean in April 2008 are used to examine the chemistry and geographical extent of ozone de...