Now showing items 1-20 of 46

• #### The Human Dimension of Pollution Policy Implementation: Air Quality in Rural China ﻿

(Center for Modern China, 2002)
The People's Republic of China is experiencing severe air pollution with very serious public health and economic consequences. Over the past decade, the Chinese government has sought to utilize bureaucratic, political, ...
• #### A nested grid formulation for chemical transport over Asia: Applications to CO ﻿

(Wiley-Blackwell, 2004)
A global three-dimensional chemical transport model (GEOS-CHEM) was modified to permit treatment of a limited spatial regime with resolution higher than that adopted for the global background. Identified as a one-way nested ...
• #### Asian emissions of CO and NOx: Constraints from aircraft and Chinese station data ﻿

(Wiley-Blackwell, 2004)
Observations of CO and NOy from the Transport and Chemical Evolution over the Pacific (TRACE-P) aircraft mission over the northwest Pacific and from two Chinese ground stations (Hong Kong and Lin An) during spring 2001 are ...
• #### Human and animal wastes: Implications for atmospheric N2O and NOx ﻿

(Wiley-Blackwell, 2005)
More than 220 Tg N are processed annually through the global agriculture/animal/human food chain. It is suggested that aerobic denitrification, reduction of nitrite formed in the first stage of nitrification, is an important ...
• #### Seasonal variability of NOx emissions over east China constrained by satellite observations: Implications for combustion and microbial sources ﻿

(Wiley-Blackwell, 2007)
Observations of tropospheric column densities of NO2 obtained from the Global Ozone Monitoring Experiment (GOME) for a 3-year period (1997, 1998, and 2000) are used to derive average seasonal variations in surface emissions ...
• #### Traffic restrictions associated with the Sino-African summit: Reductions of NOx detected from space ﻿

(Wiley-Blackwell, 2007)
Aggressive measures were instituted by the Beijing municipal authorities to restrict vehicular traffic in the Chinese capital during the recent Sino-African Summit. We show that reductions in associated emissions of NOx ...
• #### Variations of $O_3$ and CO in Summertime at a Rural Site Near Beijing ﻿

(Copernicus Publications on behalf of the European Geosciences Union, 2008)
Large intra-season differences in mixing ratios of CO and $O_3$ were detected at Miyun, a rural site north of Beijing, in summer 2006. Despite an increase in mean daytime mixing ratio of CO from 500 ppbv in June to 700 ...
• #### Global Potential for Wind-Generated Electricity ﻿

The potential of wind power as a global source of electricity is assessed by using winds derived through assimilation of data from a variety of meteorological sources. The analysis indicates that a network of land-based ...
• #### Ozone Air Quality During the 2008 Beijing Olympics: Effectiveness of Emission Restrictions ﻿

(Copernicus Publications, 2009)
A series of aggressive measures was launched by the Chinese government to reduce pollutant emissions from Beijing and surrounding areas during the Olympic Games. Observations at Miyun, a rural site 100 km downwind of the ...
• #### Potential for Wind-Generated Electricity in China ﻿

(American Association for the Advancement of Science, 2009)
Wind offers an important alternative to coal as a source of energy for generation of electricity in China with the potential for substantial savings in carbon dioxide emissions. Wind fields derived from assimilated ...
• #### Regional CO Pollution in China Simulated by the High-Resolution Nested-Grid GEOS-Chem Model ﻿

(Copernicus Publications, 2009)
An updated version of the nested-grid GEOS-Chem model is developed allowing for higher horizontal (0.5°×0.667°) and vertical resolution as compared to global models. CO transport over a heavily polluted region, the ...
• #### Soil Acidification in China: Is Controlling SO 2 Emissions Enough? ﻿

(American Chemical Society (ACS), 2009)
Facing challenges of increased energy consumption and related regional air pollution, China has been aggressively implementing flue gas desulfurization (FGD) and phasing out small inefficient units in the power sector in ...
• #### Regional CO pollution and export in China simulated by the high-resolution nested-grid GEOS-Chem model ﻿

(Copernicus GmbH, 2009)
An updated version of the nested-grid GEOS-Chem model is developed allowing for higher horizontal (0.5°×0.667°) resolution as compared to global models. CO transport over a heavily polluted region, the Beijing-Tianjin-Hebei ...
• #### Recent Changes in Particulate Air Pollution over China Observed from Space and the Ground: Effectiveness of Emission Control ﻿

(American Chemical Society (ACS), 2010)
The Chinese government has moved aggressively since 2005 to reduce emissions of a number of pollutants including primary particulate matter (PM) and sulfur dioxide (SO2), efforts inadvertently aided since late 2008 by ...
• #### CO2 and its correlation with CO at a rural site near Beijing: implications for combustion efficiency in China ﻿

(Copernicus GmbH, 2010)
Although China has surpassed the United States as the world's largest carbon dioxide emitter, in situ measurements of atmospheric CO2 have been sparse in China. This paper analyzes hourly CO2 and its correlation with CO ...
• #### Year round measurements of O3 and CO at a rural site near Beijing: variations in their correlations ﻿

(Co-Action Publishing, 2010)
We examine seasonal variations of carbon monoxide (CO), ozone (O3), and their relationships observed over the course of 3 yr (2005–2007) at Miyun, a rural site 100 km north of Beijing. Monthly mean afternoon mixing ratios ...
• #### Constraint of anthropogenic NOx emissions in China from different sectors: a new methodology using multiple satellite retrievals ﻿

(Copernicus GmbH, 2010)
A new methodology is developed to constrain Chinese anthropogenic emissions of nitrogen oxides (NOx) from four major sectors (industry, power plants, mobile and residential) in July 2008. It combines tropospheric NO2 column ...
• #### An inventory of primary air pollutants and CO2 emissions from cement production in China, 1990–2020 ﻿

(Elsevier BV, 2011)
Direct emissions of air pollutants from the cement industry in China were estimated by developing a technology-based methodology using information on the proportion of cement produced from different types of kilns and the ...
• #### The impact of Production Tax Credits on the profitable production of electricity from wind in the U.S. ﻿

(Elsevier BV, 2011)
A spatial financial model using wind data derived from assimilated meteorological condition was developed to investigate the profitability and competitiveness of onshore wind power in the contiguous U.S. It considers not ...
• #### Will PM control undermine China’s efforts to reduce soil acidification? ﻿

(Elsevier BV, 2011)
China’s strategies to control acidifying pollutants and particulate matter (PM) may be in conflict for soil acidification abatement. Acidifying pollutant emissions are estimated for 2005 and 2020 with anticipated control ...