Shichun Zhang

Shichun Zhang
Chinese Academy of Sciences | CAS · Northeast Institute of Geography and Agroecology

PhD

About

43
Publications
10,020
Reads
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935
Citations
Citations since 2016
29 Research Items
679 Citations
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140

Publications

Publications (43)
Article
Full-text available
Atmospheric aerosols can exert an influence on meteorology and air quality through aerosol–radiation interaction (ARI) and aerosol–cloud interaction (ACI), and this two-way feedback has been studied by applying two-way coupled meteorology and air quality models. As one of the regions with the highest aerosol loading in the world, Asia has attracted...
Preprint
Full-text available
Atmospheric aerosols can exert influence on meteorology and air quality through aerosol-radiation interactions (ARI) and aerosol-cloud interactions (ACI) and this two-way feedback has been studied by applying two-way coupled meteorology and air quality models. As one of regions with high aerosol loading in the world, Asia has attracted many researc...
Article
Full-text available
Using a bottom-up estimation method, a comprehensive, high-resolution emission inventory of gaseous and particulate atmospheric pollutants for multiple anthropogenic sectors with typical local sources has been developed for the Harbin-Changchun city agglomeration (HCA). The annual emissions for CO, NOx, SO2, NH3, VOCS, PM2.5, PM10, BC and OC during...
Article
Full-text available
This study presents field observations and laboratory analyses of wintertime airborne particulate matter (PM2.5) and its chemical components in the Changchun metropolitan area, the geographical center of northeastern China. Twenty-four hour PM2.5 filter samples were collected from 23 December 2011 to 31 January 2012 at four sites in the types of tr...
Article
Full-text available
Biomass burning is a major source of greenhouse gases (GHGs) and particulate matter (PM) emissions in China. Despite increasing efforts of fire monitoring, it remains challenging to quantify the variability in interannual and seasonal emissions of GHGs and PM from biomass burning. In this study, we investigated the biomass burning emissions in Nort...
Article
Full-text available
Carbonaceous aerosol, one of the major components of atmospheric aerosols, significantly affects haze episodes, climate change, and human health. Northeastern China suffers severe air pollution, especially in some periods (e.g., the Spring Festival). However, studies on carbonaceous aerosols in typical northeast industrial cities (i.e., Changchun)...
Article
Full-text available
【Objective】 This study was performed to explore the characteristics of ammonia (NH3) volatilization from corn field affected by different fertilization measures, to understand the contribution of different fertilization measures to NH3 emission, and to obtain the localized NH3 emission factors of chemical fertilizer application in Liaohe plain, nor...
Article
Atmospheric pollutants emitted from agriculture are a key factor in regional air quality. However, previous studies of agricultural sources have only focused on agricultural burning, livestock or fertilizer; comprehensive agricultural emission inventories involving main agricultural operations are still lacking in China, which would limit our abili...
Article
Full-text available
Mineral dust particles play an important role in the Earth system, imposing a variety of effects on air quality, climate, human health, and economy. Accurate forecasts of dust events are highly desirable to provide an early warning and inform the decision-making process. East Asia is one of the largest dust sources in the world. This study applies...
Article
The ground-level ozone (O3) pollution has become an emerging air quality issue in China. To effectively mitigate ozone pollution in Northeast China (NEC), this study focuses on its characteristics based on the surface ozone, meteorological data, and Ozone Monitoring Instrument (OMI) satellite data. Statistical methods are applied to analyze the eff...
Article
Full-text available
Agricultural emissions are crucial to regional air quality in the autumn and spring due to the intense agricultural activities in Northeast China. However, information on rural ambient particulate matter (PM) in Northeast China is rare, limiting the accurate estimation of agricultural atmospheric particulate matter emissions. In this study, we moni...
Article
Full-text available
Mineral dust particles play an important role in the Earth system, imposing a variety of effects on air quality, climate, human health, and economy. Accurate forecasts of dust events are highly desirable to provide early-warning and inform decision-making. East Asia is one of the largest dust sources in the world. This study applies and evaluates f...
Article
Full-text available
The accurate forecasting of dust emission and transport is a societal demand worldwide as dust pollution is part of many health, economic, and environment issues, which significantly impact sustainable development. The dust forecasting ability of present air quality forecast systems is mainly focused on spring dust events in East Asia, but further...
Article
Cooking activities are one of important sources of atmospheric pollutants, but few corresponding emission inventory has been published. In this study PM2.5 and VOCS emission inventories from cooking in Changchun City, Northeast China are developed. Based on four different bottom-up methods (i.e., based on population, dining out frequency, amount of...
Article
Full-text available
Atmospheric fine-particle (PM2.5) pollution is frequently associated with the formation of particulate nitrate (pNO3−), the end product of the oxidation of NOx gases (NO + NO2) in the upper troposphere. The application of stable nitrogen (N) (and oxygen) isotope analyses of pNO3− to constrain NOx source partitioning in the atmosphere requires knowl...
Article
Full-text available
Atmospheric fine-particle (PM2.5) pollution is frequently associated with the formation of particulate nitrate (pNO3−), the end product of the oxidation of NOx gases (= NO + NO2) in the upper troposphere. The application of stable nitrogen (N) (and oxygen) isotope analyses of pNO3− to constrain NOx source partitioning in the atmosphere requires the...
Article
Full-text available
Northeast China experiences severe atmospheric pollution, with an increasing occurrence of heavy haze episodes. However, the underlying forces driving haze formation during different seasons are poorly understood. In this study, we explored the spatio-temporal characteristics and causes of haze events in Northeast China by combining a range of data...
Article
Multi-satellites derived aerosol optical depth (AOD) (i.e.,MODIS,VIIRS and CALIPSO),ground-level-observed air quality data and meteorological data from 2006 to 2015 were used to explore the spatial and temporal distribution of regional air pollution in Northeastern China.A typical haze event in autumn (i.e.,October 14,2014) was further investigated...
Article
Full-text available
Northeast China has been reported as having serious air pollution in China with increasing occurrences of severe haze episodes. Changchun City, as the center of Northeast China, has longstanding industry and is an important agricultural base. Additionally, Changchun City has a long winter requiring heating of buildings emitting pollution into the a...
Article
Partitioning evapotranspiration (ET) into evaporation (E) and transpiration (T) in wetlands is important for understanding the hydrological processes in wetlands and the contribution of wetland ET to local and regional water cycling and for designing effective wetland management strategies. Stable water isotopes are useful in the application of ET...
Article
Full-text available
The pollutants released from fireworks may seriously deteriorate air quality and adversely impact human health. To aid in obtaining comprehensive observations and in establishing effective legislation aimed at controlling the short-term effects of fireworks, we systematically reviewed the findings of previous studies of the impact of fireworks. The...
Article
The hydrological process of evapotranspiration (ET) plays an important role in water circulation in wetlands, and understanding the contributions of wetland ET to local and regional water cycles can help in designing effective wetland management strategies. In this paper, a numerical model, vegetation indexes, and stable isotopes were integrated to...
Article
Full-text available
Burning agricultural straw before and/or after harvest is a common farming practice. Regional and extensive agricultural open field straw burning can cause serious air pollution events. This paper looks at the effects of biomass burning emission on regional haze that should be considered in the forecasting of regional haze. It describes the current...
Article
Precipitation is usually the primary source of water for the hydrological cycle in a semi-arid area. However, dew occurs frequently and affects water circulation dramatically in the west of Jilin Province in China. Measurements of the amount of dew formed and precipitation were carried out from July 2012 to October 2013 in the Momoge Natural Reserv...
Article
Mineral particles or particulate matters (PMs) emitted during agricultural activities are major recurring sources of atmospheric aerosol loading. However, precise PM inventory from agricultural tillage and harvest in agricultural regions is challenged by infrequent local emission factor (EF) measurements. To understand PM emissions from these pract...
Article
Full-text available
More detailed knowledge regarding recent variations in the characteristics of East Asian dust events and dust sources can effectively improve regional dust modeling and forecasts. Here we reassess the accuracy of previous predictions of trends in dust variations in East Asia, and establish a relatively detailed inventory of dust events based on sat...
Article
This study presents the mass concentrations of PM2.5, O3, SO2 and NOx at one urban, one suburban and two rural locations in the Changchun region from September 25 to October 27 2013. Major chemical components of PM2.5 at the four sites were daily sampled and analyzed. Most of daily concentrations of SO2 (7–82 μg/m3), O3 (27–171 μg/m3) and NOx (14–2...
Article
Agricultural PM10 and PM2.5 inventories on the county-level scale in northeastern China were developed in this study. Based on bottom-Up method, we firstly collect the agricultural activity data, including conventional farming operations (i.e., straw burning, land preparation, harvest, grain processing, fertilizer, agricultural machinery, and wind...
Article
This study presents the observations of PM10 and PM2.5 concentrations at an agricultural site from April to October 2012 in Dehui city, China. Ambient air was sampled by filter-based samplers and online PM monitors. The filter samples were analyzed to determine the abundance of ionic/inorganic elements, organic carbon (OC) and elemental carbon (EC)...
Article
Full-text available
Using the portable real-time particulate matter (PM) analyzer, we measured rural airborne PM2.5 concentrations in the Sanjiang Plain during the periods of crop harvest and straw burning in October 2013. Combined with satellite-based fire spot numbers and HYSPLIY backward trajectories, the relationship of PM2.5 concentration and PM size distribution...
Article
Full-text available
Three criteria air pollutants (O3, NOx and SO2) in Changchun were continuously observed during heating and non-heating seasons. Changchun is one of the major metropolitan areas in northeastern China. Long, cold weather leads to considerable pollutant emissions that, when combined with strong atmospheric inversion, may pose adverse effects on human...
Article
Full-text available
Leaf water 18O enrichment is an important factor controlling the H218O, C18OO, and O18O exchanges between the biosphere and the atmosphere. At present, there is limited capacity to explain the enrichment mechanisms in field conditions. In this study, three models of varying complexity were used to simulate the leaf water 18O enrichment at the canop...
Article
Full-text available
Stable isotopes of atmospheric water vapor reveal rich information on water movement and phase changes in the atmosphere. Here we presented two nearly continuous time-series of δD and δ18O of atmospheric water vapor (δv) measured at hourly intervals in surface air in Beijing and above a winter wheat canopy in Shijiazhuang using in-situ measurement...
Article
Full-text available
CO2 efflux was estimated using different regression methods in static chamber observation from an alpine meadow on the Qinghai-Tibetan Plateau. The CO2 efflux showed a seasonal pattern, with the maximun flux occurring in the middle of July. The temperature sensitivity of CO2 efflux (Q 10) was 3.9, which was at the high end of the range of global va...
Article
Full-text available
It is crucial to partition evapotranspiration (ET) into evaporation (E) and transpiration (T) components for better understanding eco-hydrological processes and their underlying mechanisms, and improving the establishment and validation of hydrological models at the ecosystem scale. Traditional eddy covariance technique serves as a useful tool to e...
Article
The objective of this study is to investigate the characteristics of deltaD, delta18O, and deuterium excess (d) of precipitation and water vapor in surface air in Beijing, China. The deltaD, delta18O, and d of atmospheric water vapor in surface air were measured continuously with an in situ technique. Much less day-to-day and diurnal variations in...
Article
1] The objective of this study is to investigate the characteristics of dD, d 18 O, and deuterium excess (d) of precipitation and water vapor in surface air in Beijing, China. The dD, d 18 O, and d of atmospheric water vapor in surface air were measured continuously with an in situ technique. Much less day-to-day and diurnal variations in the vapor...
Article
The D/H and 18 O/ 16 O ratios in atmospheric water vapor provide rich informa-tion on the hydrological cycle and gaseous exchange processes between the terrestrial vegetation and the atmosphere. In this paper, we have demonstrated the feasibility to simultaneously measure both D/H and 18 O/ 16 O in atmospheric water vapor using a tunable diode lase...

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Project (1)
Project
Isotopically elucidating the origins of atmospheric ammonia in the Yangtze River delta region