搜索结果: 1-15 共查到“大气科学 critical”相关记录16条 . 查询时间(0.171 秒)
Major Atlantic ocean current system might be approaching critical threshold
weather systems worldwide river stability current system collapses global warming freshwater inflow
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2021/8/6
A major Atlantic ocean current -- the Atlantic Meridional Overturning Circulation, or AMOC -- may have been losing stability in the course of the last century, according to new research. A potential c...
Choices made now are critical for the future of our ocean and cryosphere
Oceans Cryosphere Sustainable Development
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2019/10/8
The World Meteorological Organization today welcomed a landmark global report by the Intergovernmental Panel on Climate Change that underscores the urgency of timely, ambitious and coordinated action ...
The Critical Richardson Number and Limits of Applicability of Local Similarity Theory in the Stable Boundary Layer
Flux-profile relationships Critical Richardson number Komogorov cascade Monin-Obukhov similarity theory Nieuwstadt local scaling
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2012/2/28
Measurements of atmospheric turbulence made over the Arctic pack ice during the Surface Heat Budget of the Arctic Ocean experiment (SHEBA) are used to determine the limits of applicability of Monin-Ob...
Glycine in aerosol water droplets: a critical assessment of Köhler theory by predicting surface tension from molecular dynamics simulations
Glycine aerosol water Kö hler theory surface tension molecular dynamics simulations
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2011/1/20
Aerosol particles in the atmosphere are important participants in the formation of cloud droplets and have significant impact on cloud albedo and global climate. According to the Köhler theory wh...
Reconciliation of measurements of hygroscopic growth and critical supersaturation of aerosol particles in central Germany
hygroscopic growth critical supersaturation aerosol particles central Germany
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2010/12/28
Aerosol physical, chemical and hygroscopic properties were measured in a range of airmasses during COPS (Convective and Orographically-induced Precipitation Study) ground-based in June and July of 200...
A critical look at spatial scale choices in satellite-based aerosol indirect effect studies
spatial scale choices satellite-based aerosol indirect effect studies
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2010/12/20
Analysing satellite datasets over large regions may introduce spurious relationships between aerosol and cloud properties due to spatial variations in aerosol type, cloud regime and synoptic regime cl...
Coarse, intermediate and high resolution numerical simulations of the transition of a tropical wave critical layer to a tropical storm
resolution numerical the transition of a tropical wave critical layer a tropical storm
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2010/11/30
Recent work has hypothesized that tropical cyclones in the deep Atlantic and eastern Pacific basins develop from within the cyclonic Kelvin cat's eye of a tropical easterly wave critical layer located...
The genesis of Typhoon Nuri as observed during the Tropical Cyclone Structure 2008 (TCS-08) field experiment – Part 1: The role of the easterly wave critical layer
Typhoon Nuri the Tropical Cyclone Structure 2008 the easterly wave critical layer
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2010/10/21
An observational and real-time model forecast study of the genesis of Typhoon Nuri during the Tropical Cyclone Structure 2008 (TCS-08) field campaign in the western North Pacific sector is presented. ...
The critical assessment of vapour pressure estimation methods for use in modelling the formation of atmospheric organic aerosol
vapour pressure estimation methods atmospheric organic aerosol critical assessment
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2010/2/1
A selection of models for estimating vapour pressures have been tested against experimental data for a set of compounds selected for their particular relevance to the formation of atmospheric aerosol ...
Comment on "Comparisons with analytical solutions from Khvorostyanov and Curry (2007) on the critical droplet radii and supersaturations of CCN with insoluble fractions" by Kokkola et al. (2008)
analytical solutions Khvorostyanov critical droplet radii CCN
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2009/8/25
Analytical solutions for the critical radii and supersaturations of the cloud condensation nuclei (CCN) with insoluble fractions were derived by Khvorostyanov and Curry (2007, hereafter KC07). These s...
Tropical cyclogenesis in a tropical wave critical layer: easterly waves
Tropical cyclogenesis tropical wave critical layer easterly waves
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2009/8/7
The development of tropical depressions within tropical waves over the Atlantic and eastern Pacific is usually preceded by a "surface low along the wave" as if to suggest a hybrid wave-vortex structur...
On the isolation of elemental carbon (EC) for micro-molar 14C accelerator mass spectrometry: development of a hybrid reference material for 14C-EC accuracy assurance, and a critical evaluation of the thermal optical kinetic (TOK) EC isolation procedure
elemental carbon EC TOK
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2009/2/18
The primary objective of the research reported here has been the development of a hybrid reference material (RM) to serve as a test of accuracy for elemental carbon (EC) isotopic (14C) speciation meas...
Critical assessment of the current state of scientific knowledge, terminology, and research needs concerning the role of organic aerosols in the atmosphere, climate, and global change
current state of scientific knowledge role of organic aerosols global change
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2009/1/8
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still ra...
Hygroscopic growth and critical supersaturations for mixed aerosol particles of inorganic and organic compounds of atmospheric relevance
Hygroscopic growth critical supersaturations mixed aerosol particles inorganic and organic compounds atmospheric relevance
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2009/1/8
The organic fraction of atmospheric aerosols contains a multitude of compounds and usually only a small fraction can be identified and quantified. However, a limited number of representative organic c...
Atmospheric HULIS:How humic-like are they? A comprehensive and critical review
Atmospheric HULIS humic-like
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2009/1/4
A class of organic molecules extracted from atmospheric aerosol particles and isolated from fog and cloud water has been termed HUmic-LIke Substances (HULIS) due to a certain resemblance to terrestria...