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Intensifying Winds Could Increase East Antarctica’s Contribution to Sea Level Rise(图)
Intensifying Winds Increase East Antarctica’s Contribution Sea Level Rise
2017/11/23
Totten Glacier, the largest glacier in East Antarctica, is being melted from below by warm water that reaches the ice when winds over the ocean are strong — a cause for concern because the glacier hol...
Comparison between simulated and observed chemical composition of fine aerosols in Paris (France) during springtime: contribution of regional versus continental emissions
chemical composition fine aerosols springtime regional versus continental emissions
2010/12/28
Hourly concentrations of inorganic salts (ions) and carbonaceous material in fine aerosols (aerodynamic diameter, A.D. <2.5 μm) have been determined experimentally from fast measurements performed for...
Global fire emissions and the contribution of deforestation, savanna, forest, agricultural, and peat fires (1997–2009)
Global fire deforestation savanna forest agricultural peat fires
2010/12/28
New burned area datasets and top-down constraints from atmospheric concentration measurements of pyrogenic gases have decreased the large uncertainty in fire emissions estimates. However, significant ...
The contribution of marine organics to the air quality of the western United States
marine organics the air quality the western United States
2010/8/16
The contribution of marine organic emissions to the air quality in coastal areas of the western United States is studied using the latest version of the US Environmental Protection Agency (EPA) region...
The contribution of anthropogenic aerosols to aerosol light-scattering and CCN activity in the California coastal zone
anthropogenic aerosols aerosol light-scattering CCN activity the California coastal zone
2010/8/16
Aircraft-based measurements of aerosol light-scattering coefficient, cloud condensation nuclei (CCN) measured directly or by proxy, and aerosol chemical composition are reported for three different ye...
Mexico city aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 2: Analysis of the biomass burning contribution and the non-fossil carbon fraction
MILAGRO high resolution aerosol mass spectrometry the urban supersite the biomass burning contribution the non-fossil carbon fraction
2010/8/13
Submicron aerosol was analyzed during the MILAGRO field campaign in March 2006 at the T0 urban supersite in Mexico City with a High-Resolution Aerosol Mass Spectrometer (AMS) and complementary instrum...
Size distributions of elemental carbon and its contribution to light extinction in urban and rural locations in the pearl river delta region, China
elemental carbon extinction urban and rural locations the pearl river delta region
2010/8/13
Elemental carbon (EC) in size-segregated aerosol samples were determined at five urban, one suburban, and one rural locations in the Pearl River Delta region in South China during 2006–2008 period. Th...
Factors influencing the contribution of ion-induced nucleation in a boreal forest, Finland
ion-induced nucleation a boreal forest Finland
2010/8/12
We present the longest series of measurements so far (2 years and 7 months) made with an Ion-DMPS at the SMEAR II measurement station in Hyytiälä, Southern Finland. We show that the classifi...
More evidence for very short-lived substance contribution to stratospheric chlorine inferred from HCl balloon-borne in situ measurements in the tropics
short-lived substance contribution stratospheric chlorine HCl balloon-borne
2010/2/1
Volume mixing ratio (vmr) vertical profiles of hydrogen chloride (HCl) are retrieved from in situ measurements performed by a balloon-borne infrared tunable diode laser absorption spectrometer (SPIRAL...
Simulation of particle size distribution with a global aerosol model: contribution of nucleation to aerosol and CCN number concentrations
particle size distribution global aerosol model aerosol CCN number concentrations
2009/11/9
An advanced particle microphysics model with a number of computationally efficient schemes has been incorporated into a global chemistry transport model (GEOS-Chem) to simulate particle number size di...
The governing processes and timescales of stratosphere-to-troposphere transport and its contribution to ozone in the Arctic troposphere
stratosphere-to-troposphere transport ozone Arctic troposphere
2009/5/15
We used the seasonality of a combination of atmospheric trace gases and idealized tracers to examine stratosphere-to-troposphere transport and its influence on tropospheric composition in the Arctic. ...
The potential contribution of organic salts to new particle growth
potential contribution organic salts new particle growth
2009/5/7
Field and lab measurements suggest that low-molecular weight (MW) organic acids and bases exist in accumulation and nucleation mode particles, despite their relatively high pure-liquid vapor pressures...
The contribution of anthropogenic bromine emissions to past stratospheric ozone trends: a modelling study
anthropogenic bromine emissions stratospheric ozone trends modelling study
2009/5/6
Bromine compounds play an important role in the depletion of stratospheric ozone. We have calculated the changes in stratospheric ozone in response to changes in the halogen loading over the past deca...
Update on emissions and environmental impacts from the international fleet of ships: the contribution from major ship types and ports
international fleet of ships major ship types ports
2009/3/31
A reliable and up-to-date ship emission inventory is essential for atmospheric scientists quantifying the impact of shipping and for policy makers implementing regulations and incentives for emission ...
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...