Anthropogenic Emissions
The impact of recent changes in Asian anthropogenic emissions of SO₂ on sulfate loading in the upper troposphere and lower stratosphere and the associated radiative changes
... upwelling (Yu et al., 2017). Although the chemical com- position of the particles constituting the ATAL is not well understood, satellite observations (e.g., Cloud–Aerosol Li- dar and Infrared Pathfinder Satellite ...
20
Historical (1750–2014) anthropogenic emissions of reactive gases and aerosols from the Community Emissions Data System (CEDS)
... This paper describes the general methodology and results for an updated global historical emission data set that has been designed to meet the needs of the global atmospheric modeling community and other researchers for ...
40
How sensitive is tropospheric oxidation to anthropogenic emissions?
... steady-state box model constrained by aircraft measure- ments (see auxiliary material 1 ). The CTM reproduces these observation-based rates to within about 0.5 ppbv/day over marine regions, but underestimates boundary ...
5
Recent anthropogenic increases in SO₂ from Asia have minimal impact on stratospheric aerosol
... in anthropogenic emissions from China and India are in ...in anthropogenic emissions. The model run with volcanic emissions is in ...
6
Evaluation of Anthropogenic Air Emissions from Marine Engines in a Coastal Urban Airshed of Texas
... air emissions from marine engines has gained importance in United States and across the ...world. Emissions from ocean going vessels (OGV) have become significant sources of air pollutants in urban areas ...
10
Trends of inorganic and organic aerosols and precursor gases in Europe: insights from the EURODELTA multi-model experiment over the 1990–2010 period
... Since anthropogenic emissions did not decline linearly during the full period covered by the experiment (1990–2010, referred to as PT), and larger emissions reductions are expected during the early ...
32
Analysis of cloud condensation nuclei composition and growth kinetics using a pumped counterflow virtual impactor and aerosol mass spectrometer
... Tables 1 and 2 show the composition of polydisperse aerosol and the CCN active fraction for the all three case studies. In downtown Toronto, these tables show the CCN- active fraction to be chemically distinct from the ...
12
The “Turmoil” on “Climate Change”
... I go by what the scientist said and leave things to the Nature. Nature by Herself is the greatest Physicist. “Health is Wealth” is not a mere slogan. Before we try to be healthy, make the Earth healthy. Stop emitting a ...
6
Tropospheric ozone and its global budgets
... Climate change modifies the tropospheric oxidizing ca- pacity considerably. The methane lifetime is shortened by 1.8 years when climate change is included in the calcula- tion, due to increased OH concentrations in a ...
19
Changing circulation structure and precipitation characteristics in Asian monsoon regions: greenhouse warming vs. aerosol effects
... scribed anthropogenic emissions of (a) greenhouse gases (GHG) only and (b) GHG and aerosols ...to anthropogenic emission forcing, we minimize the impacts of natural variability by constructing the ...
11
Biomass burning influence on high-latitude tropospheric ozone and reactive nitrogen in summer 2008: a multi-model analysis based on POLMIP simulations
... for emissions, with the aim of allowing an in- vestigation of model differences due to atmospheric transport and chemical processes ...different anthropogenic emissions (Emmons et ...POLMIP ...
23
The contribution of anthropogenic SO₂ emissions to the Asian tropopause aerosol layer
... to anthropogenic emissions, but its source cannot solely be attributed to emissions from ...Indian emissions contribute ∼30% of the sulfate aerosol extinction in the ATAL during volcanically ...
9
1650th Meeting of the Council (Environment). Council Press Release 5564/93 (Presse 41), Brussels, 22-23 March 1993
... ln specific terms, the Decision provides for the Member States to devise, publish and implement national programmes for limiting their anthropogenic emissions of CO2 in order to contribu[r] ...
26
Discrepancy between simulated and observed ethane and propane levels explained by underestimated fossil emissions
... stated to be in between these numbers. Based on that, we assume an emission uncertainty of ± 60 % for anthropogenic emissions of ethane and propane in the CEDS CMIP6 inventory used in our baseline ...
35
Path-integral method for the source apportionment of photochemical pollutants
... The emissions were developed from the national totals in the 2008 US National Emission Inventory, version 3 (US EPA, 2013b) with several ...adjustments. Emissions from wildfires and prescribed fires were ...
11
Implications of overestimated anthropogenic CO2 emissions on East Asian and global land CO2 flux inversion
... assume anthropogenic emissions are known, and thus the uncertainties in the emissions introduce systematic bias in estimation of the terres- trial (residual) fluxes by inverse ...
10
Local biomass burning is a dominant cause of the observed precipitation reduction in southern Africa
... Observational data reveal changes in precipitation patterns since the middle of the past century, with some regions in the world getting increased precipitation while other regions are experiencing less precipitation ...
8
Chu_unc_0153M_15691.pdf
... Samples were obtained according to the schedule listed in Table 1. Either two or four samples were collected per day. The regular schedule consisted of two samples per day, one during the day, the second at night, each ...
42
The Climatic Importance of Uncertainties in Regional Aerosol-Cloud Radiative Forcings over Recent Decades
... of anthropogenic emissions. In 1978, global anthropogenic sulfate emissions peaked (Lamarque et ...in anthropogenic emissions (Mao et ...Asian anthropogenic ...
19
Future trends in environmental mercury concentrations: implications for prevention strategies
... primary anthropogenic emissions are likely to underestimate the severity of future deposition and concentration increases associated with growth in mercury reservoirs in the land and ...Aggressive ...
5