About
66
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Introduction
Chunlin Li is an Associate Professor in the Department of Landscape Ecology at the Institute of Applied Ecology, Chinese Academy of Sciences. His research interest is the evolution of urban landscape pattern and its ecological environment effects, including air pollution, urban flooding, non-point pollution, urban heat island, and biodiversity change.
Additional affiliations
August 2019 - present
Institute of Applied Ecology, Chinese Academy of Sciences
Position
- Professor (Associate)
August 2017 - August 2018
August 2014 - July 2019
Institute of Applied Ecology, Chinese Academy of Sciences
Position
- Professor (Assistant)
Education
September 2011 - June 2014
September 2008 - July 2011
September 2004 - June 2008
Publications
Publications (66)
Understanding the mechanisms that influence changes in ecosystem services (ESs) is critical to the sustainable management of ecosystems. However, existing studies ignore the different importance of influencing factors of ESs in different periods and do not consider the spatiotemporal heterogeneity of influence factors. In this study, we first quant...
Long-term exposure to PM2.5 (fine particulate matter with an aerodynamic diameter <2.5 μm) could cause great harm to human health and sustainable development. It remains a challenge to estimate the long-term PM2.5 removal capacity of nature-based green infrastructure in urban areas. In this paper, the annual PM2.5 removal capacity of urban green in...
Suaeda salsa (L.) Pall. (S. salsa) acts as a pioneer species in coastal wetlands due to its high salt tolerance. It has significant biodiversity maintenance, socioeconomic values (e.g., tourism) due to its vibrant color, and carbon sequestration (blue carbon). Bohai bay region, the mainly distributed area of S. salsa, is an economic intensive regio...
In northern China, central heating, as an important source of urban particulate matter (UPM), causes more than half of the air pollution during the heating season and has significant spatial-temporal heterogeneity. Owing to the limitations of stationary air monitoring networks, few studies distinguish between heating/non-heating seasons and few hav...
Context
Many efforts have been made to control the eco-environmental problems caused by urbanization and industrialization. Meanwhile, spatial pattern and process studies are of global interest and typically focus on one certain environmental or ecological process.
Objectives
Conduct scientific planning to solve and prevent multiple eco-environmen...
Spatial pattern and process studies are of global interest and typically focus on one certain environmental or ecological process, and the methods employed mostly rely upon spatial process models. Meanwhile, spatial planning is an important administrative management in regional development, especially in China. However, traditional urban planners f...
Urbanization has introduced a series of environmental problems worldwide, and particulate matter (PM) is one of the main threats to human health. Due to the lack of high-resolution, large-scale monitoring data, few studies have analyzed the intraurban spatial distribution pattern of PM at a fine scale. In this study, portable air monitors carried b...
Changes in hydrological processes caused by rapid urbanization lead to the growing incidence of urban flooding, which is a major challenge to urban sustainability. Urban floods have seriously threatened the natural environment and human life. Understanding the spatial patterns and influencing factors of urban flooding has important implications for...
In the context of urban warming associated with rapid urbanization, the relationship between urban landscape patterns and land surface temperature (LST) has been paid much attention. However, few studies have comprehensively explored the effects of two/three-dimensional (2D/3D) building patterns on LST, particularly by comparing their relative cont...
Understanding the vertical distribution patterns of air pollution is crucial to elucidate the formation mechanism of extreme air pollution events and explore the air pollution exposure risks of residents. The vertical air pollutant (SO2, NO2, PM1, PM2.5 and PM10) concentrations along a west-east sampling belt of 0-120 m height were investigated usi...
Rapid urbanization has resulted in the loss of natural ecological space and the destruction of ecosystem structure and function. Taking the lower Yellow River basin as the study area, this study aims to construct ecological networks to mitigate the negative impacts of rapid urbanization on the ecosystem. Ecological sources were identified based on...
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The serious pollution of PM2.5 caused by rapid urbanization has become an urgent problem to be solved in China in recent years. Annual and daily satellite-derived PM2.5 datasets from 2001 to 2020 were used to analyze the temporal and spatial patterns of PM2.5 in China. The regional and pop-ulation exposure risks of the nation and of urban agglomera...
With the continuous development of urbanization, the urban heat island (UHI) phenomenon is becoming increasingly prominent. Especially with the development of various large urban agglomerations and the shrinking distance between cities, the regional thermal environment has attracted extensive attention. Therefore, we used Modis land surface tempera...
Serious urban floods are projected to occur more frequently in cities in the future due to continued global climate changes and accelerated urbanization. However, research dedicated to investigating the distribution patterns and exposure risks of urban floods among multiple cities is missing. The urban flood records of 8 Chinese megacities were use...
Urban green infrastructure (UGI) is considered to be an effective tool for mitigating PM2.5 (particulate matter with an aerodynamic diameter of less than 2.5 μm) pollution in urban areas. However, long and continuous time series analyses of the relationships between the UGI landscape and PM2.5 pollution remain a challenge. In the present study, the...
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Urbanization studies are of global interest and mainly focus on mapping urban areas and areas of expansion using remote sensing data. However, information about the 3-dimensional characteristics or expansion of urban buildings is absent due to difficulties in data acquisition. Quantifying the urban floor area is crucial for assessing urban 3-D morp...
Urban agglomeration is a new characteristic of the Chinese urbanization process, and most of the urban agglomeration is located in the same watershed. Thus, urban non-point source (NPS) pollution, especially the characteristic pollutants in urban areas, aggravates NPS pollution at the watershed scale. Many agricultural studies have been performed a...
Atmospheric environment in urban built-up area is severely influenced by the surrounding landscape pattern. Understanding the relationship between air pollution and surrounding landscape pattern at small scale has great significance for mitigating air pollution from the perspective of urban construction. The annual average concentrations of NO2, SO...
The interactions between landscape patterns and ecological processes have become more complex with rapid urbanization. In China, urban haze pollution has become increasingly apparent. Elucidating the relationship between urban landscape patterns and haze effects is essential for understanding the formation and development of haze and implementing e...
Environmental factors such as urban landscape patterns, local climate, topography, and socioeconomic conditions have significant impacts on land surface temperature (LST), especially through the urban heat island effect. At present, in-depth studies on the mechanisms determining LST in different seasons in winter cities are lacking. In this study,...
Rapid urbanization has resulted in an increase in impervious surfaces and a decrease in green infrastructure (GI), changing the process of the regional hydrological cycle, coupled with climate change, which is expected to increase the frequency and magnitude of urban floods resulting from extreme events in the city. GI can provide crucial stormwate...
An estuarine wetland is an area of high ecological productivity and biodiversity, and it is also an anthropic activity hotspot area, which is of concern. The wetlands in estuarine areas have suffered declines, which have had remarkable ecological impacts. The land use changes, especially wetland loss, were studied based on Keyhole and Landsat image...
With China’s rapid development, urban air pollution problems occur frequently. As one of the principal components of haze, fine particulate matter (PM2.5) has potential negative health effects, causing widespread concern. However, the causal interactions and dynamic relationships between socioeconomic factors and ambient air pollution are still unc...
As one of the principal components of haze, fine particulate matter (PM2.5) has potential negative health effects, causing widespread concern. Identification of the pollutant spatial variation is a prerequisite of understanding ambient air pollution exposure and further improving air quality. Seven urban built-up areas in Liaoning central urban agg...
The Hun-Taizi River watershed includes the main part of the Liaoning central urban agglomeration, which contains six cities with an 80-year industrial history. A total of 272 samples were collected from different land use areas within the study area to estimate the concentration levels, spatial distributions and potential sources of arsenic (As), c...
Introduction
One of the most striking features of urbanization is the replacement of the original natural land cover type by artificial impervious surface area (ISA). However, the extent of the contribution of various environmental factors, especially the growth of 3D space to ISA expansion, and the scope and mechanism of their influences in dramat...
Understanding the influence of landscape pattern changes on water yield (WYLD) and nutrient yield is a key topic for water resource management and nonpoint source (NPS) pollution reduction. The annual WYLD and NPS pollution were estimated in 2004 and 2015 with the calibrated and validated Soil and Water Assessment Tool (SWAT) in the Hun-Taizi River...
The rapid expansion of cities has caused enormous changes in the underlying surface, and coupled with the intensification of human activities, it has resulted in a series of ecological and environmental problems, such as urban heat island, air pollution, and so on. Through combining building height and air pollution source information, and using th...
In the process of urbanization, high-intensity human activities have seriously disturbed the river networks, especially in the core urban areas of large cities. At present, a series of urban water environmental problems, such as urban waterlogging and non-point pollution, caused by damage to the river network structure and the decrease in surface p...
In recent years, many cities have experienced serious urban flood and non-point pollution issues due to the hydrological process changes in rapid urbanizing area. Understanding the relationship between impervious surface and direct runoff is important for urban planning to protect urban hydrological system. In this study, we used a mixed spectral d...
With rapid urban development in China in the last two decades, 3D characteristics have been the main feature of urban morphology. Nevertheless, the vast majority of urban growth research has only focused on area expansion horizontally, with few studies conducted in a 3D perspective. In this paper, the characteristics of 3D expansion that occurred i...
Frequent hazy weather has been one of the most obvious air problems accompanying China’s rapid urbanization. As one of the main components of haze pollution, fine particulate matter (PM2.5), which severely affects environmental quality and people’s health, has attracted wide attention. This study investigated the PM2.5 distribution, changing trends...
Urbanization is one of the main reasons for biodiversity reduction and habitat fragmentation， which changes urban landscapes and ecological processes． Soil fauna is a significant component of urban ecosystems． It could make quick responses to rapid urbanization，being a typical environmental indicator． Due to the complicated disturbance factors of t...
Urbanization is one of the most widespread anthropogenic activities, which brings a range of physical and biochemical changes to hydrological system and processes. Increasing direct runoff caused by land use change has become a major challenge for urban ecological security. Reliable prediction of the quantity and rate of surface runoff is an inhere...
As urbanization progresses, increasingly impervious surfaces have changed the hydrological processes in cities and resulted in a major challenge for urban stormwater control. This study uses the urban stormwater model to evaluate the performance and costs of low impact development (LID) scenarios in a micro urban catchment. Rainfall-runoff data of...
Understanding how landscape pattern determines population or ecosystem dynamics is crucial for managing our landscapes. Urban areas are becoming increasingly dominant social-ecological systems, so it is important to understand patterns of urbanization. Most studies of urban landscape pattern examine land-use maps in two dimensions because the acqui...
In order to solve the problems of water ecology, water security and water environment in the process of urbanization, sponge city, the new urban storm water management concept, was put forward based on the low impact development (LID). The Chicago rain type formula and Shenyang rainfall intensity formula were used to form Shenyang rainfall process...
Permafrost is extremely sensitive to climate change. The degradation of permafrost has strong and profound effects on vegetation. The permafrost zone of northeastern China is the second largest region of permafrost in China and lies on the south edge of the Eurasian cryolithozone. This study analyzed the spatiotemporal variations of the growing-sea...
With the expansion of urban area, many cities are facing urban water environment issues, i.e., water resources shortage, lack of groundwater reserves, water pollution, urban waterlogging. For resolving these urban issues, 'sponge city' was proposed in 2015 in China. Liaodong Bay area of Panjin City in Liaoning Province of China was chosen as case s...
Non-point source (NPS) pollution contributes greatly to the contamination of surface water quality and has aroused widespread concerns. NPS pollution is influenced by a multitude of site-related factors whose effects are complicated. We estimated NPS pollution with a soil and water assessment tool (SWAT) model in China's Fan River watershed. A new...
The proportion of urban non-point source (NPS) pollution in watershed NPS pollution is increasing with urbanization. Urban NPS pollution is becoming research hotspot. In this study, rainfall-runoff model was validated in a typical housing estate of Shenyang based on the measured data with the distributed hydrological model method (SWMM) to analyze...
China is in the process of rapid urbanization and urban renewal. The research of urban expansion has mostly focused on the border expansion, while that of the pattern changes caused by the internal transformation of the city is insufficient. With the aid of remote sensing and GIS technology, this paper analyzed the characterization of landscape cha...
Non-point source (NPS) pollution has become a major source of water pollution in recent years. The research of NPS pollution mechanism and control has an important scientific and practical meaning. To study the effect of land use change on NPS pollution load, near future land use of Hun-Taizi River watershed was simulated under three scenarios base...
Non-point source (NPS) pollution has become a key water pollution problem under the condition of point source pollution was controlled. The complexity and uncertainty research of NPS pollution influential factors has always been important and difficult. This paper simulated NPS pollution of the Fanhe River watershed in 2003-2012 by the soil and wat...
Land use regression (LUR) modeling is a promising method for assessing the spatial variation of air pollutant concentrations. We developed an LUR model for air pollutants (SO2, NO2, and PM10) in the central cities of Liaoning Province using monitoring data collected during 2013. We evaluated whether the addition of annual satellite aerosol optical...
As urbanization increases, urban runoff becomes an increasingly more important component of urban non-point pollution. In this study, the Storm Water Management Model was used to simulate the quantity and quality of runoff in a highly urbanized catchment. Data from three rainfall events were collected and used for model calibration and validation....
Studies on urban three-dimensional landscape are helpful to the development of landscape ecology at three-dimensional scale, which can provide the scientific support for urban planning. Three-dimensional information of buildings in Shenyang City was extracted from QuickBird imageries. Five indexes (average building height, landscape height standard...
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Determining factors that affect the spatial distribution pattern of wildfires has significant implications for wildfire prediction and fire risk zonation, and could also provide scientific basis for making rational wildfire management decisions as well. We chose five factors including annual average temperature, mean annual precipitation, elevation...
Recently, China has entered into a developmental stage of rapid urbanization, and cities have been expanding rapidly with increasing number of skyscrapers. Consequently, the interactions between cities and their surrounding environments have become more complex. Thus, developing theory and method of three-dimensional landscape pattern dynamics and...
The air pollution index (API) and meteorological parameters in four cities (Harbin, Changchun, Shenyang, and Dalian) in northeastern China were analyzed in 2001-12, to study the characterization of the API and its influential factors. According to the monitoring data, air pollution is a significant problem in northeastern China, with all four indus...
Non-point source (NPS) pollution has become a major source of water pollution. A combination of models would provide the necessary direction and approaches designed to control NPS pollution through land use planning. In this study, NPS pollution load was simulated in urban planning, historic trends and ecological protection land use scenarios based...
Analyzing spatiotemporal characteristics of the historical urbanization process is essential in understanding the dynamics of urbanization and scientifically planned urban development. Based on historical urban area maps and remote sensing images, this study examined the urban expansion of Shenyang from 1910 to 2010 using area statistics, typology...
Rainfall runoff, the main driving force of pollutant migration, is the hotspot of urban non-point source pollution researches. Shenyang, a typical city of northeast China, was chosen as a case study. Discharge characteristics of ten main pollutants (TSS, TN, TP, COD, Cd, Pb, Cr, Cu, Ni and Zn) were analyzed in different underlying surfaces, includi...
The rapid relentless urban area expansion has led to a series of problems in China. Many researches focused on this issue in recent years. Driving forces are the core topic in urban expansion,as well as the basic component of modeling and predicting. It is very useful and meaningful to analyze the driving force of urban expansion, which may provide...
Sensitivity analysis is a crucial procedure for parameter identification. The parameter sensitivity of hydrological and contaminated modules in Storm Water Management Model (SWMM) was evaluated with three different intensities of rainfall based on the Morris screening method. The results showed that the descending order of parameter sensitivity to...
Urban non-point pollution is a new issue appeared with rapid urbanization, which mainly comes from city industrial emission, fossil fuel burning, vehicle exhaust, and soil erosion, etc., and seriously endangers the safety of urban water quality and ecosystem through the flush of storm runoff into urban waters. This paper elucidated the connotations...
As urbanization progresses, urban land use changes, leading to an increase in the area of impervious surfaces and, as a consequence, increases in runoff volume and peak flow rates. Studies have shown that urban stormwater runoff contains a variety of pollutants, such as sediment, organic material, micro-organisms, nutrients and heavy metals, which...
Landscape dynamics is one of the core areas in landscape ecology study, and also, the basis of relevant ecological and environmental researches. In this paper, the changes of the landscape pattern in Tieling City of Liaoning Province in 2002-2011 were comprehensively studied by using traditional spatial statistical analysis, transition matrix, land...
Land use model plays an important role in analyzing, simulating, and predicting landscape pattern and ecological process. Taking central Liaoning urban agglomerations as a case, this paper explored the application of land use model CLUE-S in the regional planning of urban agglomerations, and, based on the analysis of the landscape pattern and the d...
Projects
Project (1)
1) 2-D and 3-D landscape pattern indices will be presented in this project, and urban expansion characteristics and driving forces will be analyzed by these indices.
2) Analyze the impact of urban landscape changes on urban storm flooding and non-point source pollution.
3) Explore the optimization of landscape pattern of urban stormwater management and non-point source pollution control by "source-sink" landscape pattern theory and low impact development theory.