搜索结果: 106-120 共查到“理学 arctic”相关记录269条 . 查询时间(0.109 秒)
Evaluation of Arctic cloud products from the EUMETSAT Climate Monitoring Satellite Application Facility based on CALIPSO-CALIOP observations
Arctic cloud products EUMETSAT Climate Monitoring Satellite Application Facility CALIPSO-CALIOP
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2010/2/21
The performance of the three cloud products cloud fractional cover, cloud type and cloud top height, derived from NOAA AVHRR data and produced by the EUMETSAT Climate Monitoring Satellite Application ...
The 16-day wave in the Arctic and Antarctic mesosphere and lower thermosphere
16-day wave Arctic and Antarctic mesosphere lower thermosphere
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2010/2/21
The 16-day planetary wave in the polar mesosphere and lower thermosphere has been investigated using meteor radars at Esrange (68° N, 21° E) in the Arctic and Rothera (68° S, 68° W) in the Antarctic. ...
Particle formation in the Arctic free troposphere during the ASTAR 2004 campaign: a case study on the influence of vertical motion on the binary homogeneous nucleation of H2SO4/H2O
Arctic free troposphere ASTAR 2004 campaign binary homogeneous nucleation of H2SO4/H2O
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2010/2/21
During the ASTAR (Arctic Study of Tropospheric Aerosol and Radiation) campaign nucleation mode particles (4 to 13 nm) were quite frequently observed at altitudes below 4000 m. However, in the upper fr...
Source attribution and interannual variability of Arctic pollution in spring constrained by aircraft (ARCTAS, ARCPAC) and satellite (AIRS) observations of carbon monoxide
Arctic pollution spring constrained ARCTAS carbon monoxide
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2010/2/21
We use aircraft observations of carbon monoxide (CO) from the NASA ARCTAS and NOAA ARCPAC campaigns in April 2008 together with multiyear (2003–2008) CO satellite data from the AIRS instrument and a g...
First remote sensing measurements of ClOOCl along with ClO and ClONO2 in activated and deactivated Arctic vortex conditions using new ClOOCl IR absorption cross sections
ClOOCl Arctic vortex conditions ClOOCl IR
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2010/2/21
Active chlorine species play a dominant role in the catalytic destruction of stratospheric ozone in the polar vortices during the late winter and early spring seasons. Recently, the correct understand...
The effect of Arctic sea-ice extent on the absorbed（net）solar flux at the surface, based on ISCCP-D2 cloud data for 1983–2007
Arctic sea-ice absorbed solar flux ISCCP-D2 cloud data
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2010/2/1
We estimate the effect of the Arctic sea ice on the absorbed (net) solar flux using a radiative transfer model. Ice and cloud input data to the model come from satellite observations, processed by the...
Source identification of short-lived air pollutants in the Arctic using statistical analysis of measurement data and particle dispersion model output
short-lived air pollutants Arctic using statistical analysis particle dispersion model output
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2010/2/1
As a part of the IPY project POLARCAT (Polar Study using Aircraft, Remote Sensing, Surface Measurements and Models, of Climate Chemistry, Aerosols and Transport), this paper studies the sources of equ...
Four Fourier transform spectrometers and the Arctic polar vortex:instrument intercomparison and ACE-FTS validation at Eureka during the IPY springs of 2007 and 2008
Four Fourier transform spectrometers Arctic polar vortex instrument intercomparison ACE-FTS validation
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2010/2/8
The Canadian Arctic Atmospheric Chemistry Experiment Validation Campaigns have been carried out at Eureka, Nunavut (80.05° N, 86.42° W) during the polar sunrise period since 2004. During the Internati...
Correlations of mesospheric winds with subtle motion of the Arctic polar vortex
mesospheric winds subtle motion Arctic polar vortex
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2010/2/1
This paper investigates the relationship between high latitude upper mesospheric winds and the state of the stratospheric polar vortex in the absence of major sudden stratospheric warmings. A ground b...
The effect of misleading surface temperature estimations on the sensible heat fluxes at a high Arctic site – the Arctic Turbulence Experiment 2006 on Svalbard (ARCTEX-2006)
misleading surface temperature sensible heat fluxes ARCTEX
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2010/1/18
The observed rapid climate warming in the Arctic requires improvements in permafrost and carbon cycle monitoring, accomplished by setting up long-term observation sites with high-quality in-situ measu...
Evidence of ice crystals at cloud top of Arctic boundary-layer mixed-phase clouds derived from airborne remote sensing
ice crystals Arctic boundary-layer mixed-phase clouds airborne remote sensing
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2009/12/31
The vertical distribution of ice crystals in Arctic boundary-layer mixed-phase (ABM) clouds was investigated by airborne remote-sensing and in situ measurements during the Arctic Study of Tropospheric...
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
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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...
Sensitivity analysis of a wetland methane emission model based on temperate and arctic wetland sites
a wetland methane emission model temperate and arctic wetland sites
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2010/1/21
Modelling of wetland CH4 fluxes using wetland soil emission models is used to determine the size of this natural source of CH4 emission on local to global scale. Most process models of CH4 formation a...
High resolution snow distribution data from complex Arctic terrain: a tool for model validation
High resolution snow distribution data complex Arctic terrain model validation
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2009/12/9
Blowing snow and snow drifts are common features in the Arctic. Due to sparse vegetation, low temperatures and high wind speeds, the snow is constantly moving. This causes severe problems for transpor...
RIPPLE MARKS——THE STORY BEHIND THE STORY Collision Course: Climate Change, Bears, and Humans in the Land of 10,000 Lakes • Russian Roulette: To Catch a Fish-Owl • Polar Bears' Habitat—and Polar Bears—Shrinking • Rain-on-Snow: New Arctic Killer Fingered
Climate change wind water drought
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2015/7/6
Dust, winds, and waters. Bears and humans. All swirl together on this late summer afternoon in 2008 in Bear Head Lake State Park, Minnesota. A dry spell has turned dirt roads into arid trackways. Hint...