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Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES)

A special issue of Remote Sensing (ISSN 2072-4292).

Deadline for manuscript submissions: closed (30 December 2019) | Viewed by 28091

Special Issue Editors

Prof. Dr. Peng Jia

E-Mail Website1 Website2
Guest Editor
School of Resource and Environmental Sciences, Wuhan University, Wuhan 430072, China
Interests: health geography; spatial epidemiology; spatial life course epidemiology; urban health; GIS; remote sensing; artificial intelligence
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Changshan Wu

E-Mail Website
Guest Editor
Department of Geography, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
Interests: urban remote sensing; spatial analysis; spectral analysis; land use land cover mapping
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Non-communicable chronic diseases (NCDs) are medical conditions that last for long periods of time and progress slowly. Representing the largest global burden of disease and the largest cost burden, NCDs have caused a progressive amount of healthcare spending and reduced the life qualify of patients. NCDs are normally caused by human interaction with environmental risk factors. Thus, describing multidimensional environmental factors and population distribution patterns in a high resolution are important for understanding complex human interaction with the environment. Remote sensing (RS) technology has been continuously providing spatially and temporally consistent earth observation data over the past four decades; associations of remote sensing derived environmental variables with population distribution, NCDs, and NCD risk factors have been examined in many cross-sectional studies and some longitudinal studies.

Both the volume and availability of RS satellite data are rapidly growing, especially those with high spatial resolution. It remains a challenge how remote sensing can be utilized for studies of high-resolution population distribution and human movement patterns in complex urban settings and causal associations between environmental factors and NCDs.

We invite you to submit your recent research on remote sensing applications to population modeling and human health, particularly within, but not limited to, the following topics:

  • High-resolution population modeling
  • Monitoring of human movement patterns
  • Climate change and human health
  • Environmental determinants of lifestyle and NCD risk factors
  • Environmental determinants of NCD outcomes
  • Environmental pollutants and health hazards
  • Urbanization and health consequences
  • Disease modelling incorporating remotely sensed data
  • GIS and big data computation for health research

Dr. Peng Jia
Dr. Changshan Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Remote Sensing is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Published Papers (5 papers)

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Research

17 pages, 2213 KiB  
Article
Local Population Mapping Using a Random Forest Model Based on Remote and Social Sensing Data: A Case Study in Zhengzhou, China
by Ge Qiu, Yuhai Bao, Xuchao Yang, Chen Wang, Tingting Ye, Alfred Stein and Peng Jia
Remote Sens. 2020, 12(10), 1618; https://doi.org/10.3390/rs12101618 - 19 May 2020
Cited by 19 | Viewed by 4284
Abstract
High-resolution gridded population data are important for understanding and responding to many socioeconomic and environmental problems. Local estimates of the population allow officials and researchers to make a better local planning (e.g., optimizing public services and facilities). This study used a random forest [...] Read more.
High-resolution gridded population data are important for understanding and responding to many socioeconomic and environmental problems. Local estimates of the population allow officials and researchers to make a better local planning (e.g., optimizing public services and facilities). This study used a random forest algorithm, on the basis of remote sensing (i.e., satellite imagery) and social sensing data (i.e., point-of-interest and building footprint), to disaggregate census population data for the five municipal districts of Zhengzhou city, China, onto 100 × 100 m grid cells. We used a statistical tool to detect areas with an abnormal population density; e.g., areas containing many empty houses or houses rented by more people than allowed, and conducted field work to validate our findings. Results showed that some categories of points-of-interest, such as residential communities, parking lots, banks, and government buildings were the most important contributing elements in modeling the spatial distribution of the residential population in Zhengzhou City. The exclusion of areas with an abnormal population density from model training and dasymetric mapping increased the accuracy of population estimates in other areas with a more common population density. We compared our product with three widely used gridded population products: Worldpop, the Gridded Population of the World, and the 1-km Grid Population Dataset of China. The relative accuracy of our modeling approach was higher than that of those three products in the five municipal districts of Zhengzhou. This study demonstrated potential for the combination of remote and social sensing data to more accurately estimate the population density in urban areas, with minimum disturbance from the abnormal population density. Full article
(This article belongs to the Special Issue Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES))
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15 pages, 6140 KiB  
Article
An Optimal Population Modeling Approach Using Geographically Weighted Regression Based on High-Resolution Remote Sensing Data: A Case Study in Dhaka City, Bangladesh
by Rezaul Roni and Peng Jia
Remote Sens. 2020, 12(7), 1184; https://doi.org/10.3390/rs12071184 - 7 Apr 2020
Cited by 12 | Viewed by 6354
Abstract
Traditional choropleth maps, created on the basis of administrative units, often fail to accurately represent population distribution due to the high spatial heterogeneity and the temporal dynamics of the population within the units. Furthermore, updating the data of spatial population statistics is time-consuming [...] Read more.
Traditional choropleth maps, created on the basis of administrative units, often fail to accurately represent population distribution due to the high spatial heterogeneity and the temporal dynamics of the population within the units. Furthermore, updating the data of spatial population statistics is time-consuming and costly, which underlies the relative lack of high-resolution and high-quality population data for implementing or validating population modeling work, in particular in low- and middle-income countries (LMIC). Dasymetric modeling has become an important technique to produce high-resolution gridded population surfaces. In this study, carried out in Dhaka City, Bangladesh, dasymetric mapping was implemented with the assistance of a combination of an object-based image analysis method (for generating ancillary data) and Geographically Weighted Regression (for improving the accuracy of the dasymetric modeling on the basis of building use). Buildings were extracted from WorldView 2 imagery as ancillary data, and a building-based GWR model was selected as the final model to disaggregate population counts from administrative units onto 5 m raster cells. The overall accuracy of the image classification was 77.75%, but the root mean square error (RMSE) of the building-based GWR model for the population disaggregation was significantly less compared to the RMSE values of GWR based land use, Ordinary Least Square based land use and building modeling. Our model has potential to be adapted to other LMIC countries, where high-quality ground-truth population data are lacking. With increasingly available satellite data, the approach developed in this study can facilitate high-resolution population modeling in a complex urban setting, and hence improve the demographic, social, environmental and health research in LMICs. Full article
(This article belongs to the Special Issue Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES))
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14 pages, 3223 KiB  
Article
Mapping Fine-Scale Urban Spatial Population Distribution Based on High-Resolution Stereo Pair Images, Points of Interest, and Land Cover Data
by Min Xu, Chunxiang Cao and Peng Jia
Remote Sens. 2020, 12(4), 608; https://doi.org/10.3390/rs12040608 - 12 Feb 2020
Cited by 16 | Viewed by 4322
Abstract
Fine-scale population distribution is increasingly becoming a research hotspot owing to its high demand in many applied fields. It is of great significance in urban emergency response, disaster assessment, resource allocation, urban planning, market research, and transportation route design. This study employed land [...] Read more.
Fine-scale population distribution is increasingly becoming a research hotspot owing to its high demand in many applied fields. It is of great significance in urban emergency response, disaster assessment, resource allocation, urban planning, market research, and transportation route design. This study employed land cover, building address, and housing price data, and high-resolution stereo pair remote sensing images to simulate fine-scale urban population distribution. We firstly extracted the residential zones on the basis of land cover and Google Earth data, combined them with building information including address and price. Then, we employed the stereo pair analysis method to obtain the building height on the basis of ZY3-02 high-resolution satellite data and transform the building height into building floors. After that, we built a sophisticated, high spatial resolution model of population density. Finally, we evaluated the accuracy of the model using the survey data from 12 communities in the study area. Results demonstrated that the proposed model for spatial fine-scale urban population products yielded more accurate small-area population estimation relative to high-resolution gridded population surface (HGPS). The approach proposed in this study holds potential to improve the precision and automation of high-resolution population estimation. Full article
(This article belongs to the Special Issue Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES))
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21 pages, 2113 KiB  
Article
Estimating Fine-Scale Heat Vulnerability in Beijing Through Two Approaches: Spatial Patterns, Similarities, and Divergence
by Xuan Guo, Ganlin Huang, Peng Jia and Jianguo Wu
Remote Sens. 2019, 11(20), 2358; https://doi.org/10.3390/rs11202358 - 11 Oct 2019
Cited by 21 | Viewed by 3226
Abstract
High temperatures in urban areas cause a significant negative impact on the residents’ health. In a megacity such as Beijing, where both the land cover and social composition of residents are highly spatially heterogeneous, understanding heat vulnerability at a relatively fine scale is [...] Read more.
High temperatures in urban areas cause a significant negative impact on the residents’ health. In a megacity such as Beijing, where both the land cover and social composition of residents are highly spatially heterogeneous, understanding heat vulnerability at a relatively fine scale is a prerequisite for place-based heat intervention actions. Both principal component analysis (PCA) and equal-weighted index (EWI) are commonly used in heat vulnerability studies. However, the extent to which the choice of these approaches may impact the results remains unclear. Our study aimed to fill this gap by estimating heat vulnerability at the jiedao scale (the smallest census unit) in Beijing based on socioeconomic characteristics, heat exposure, and the use of air conditioners. Our results show that the choice of methods had a considerable impact on the spatial patterns of estimated heat vulnerability. PCA resulted in a ring-like pattern (high in the central and low in the suburb), whereas EWI revealed a north–south discrepancy (low in the north and high in the south). Such a difference is caused by the weighting scheme used in the PCA. Our findings indicate that heat vulnerability pattern revealed by a single measure needs to be interpreted with caution because different measures may produce disparate results. Full article
(This article belongs to the Special Issue Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES))
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14 pages, 4618 KiB  
Article
Population Mapping with Multisensor Remote Sensing Images and Point-Of-Interest Data
by Xuchao Yang, Tingting Ye, Naizhuo Zhao, Qian Chen, Wenze Yue, Jiaguo Qi, Biao Zeng and Peng Jia
Remote Sens. 2019, 11(5), 574; https://doi.org/10.3390/rs11050574 - 8 Mar 2019
Cited by 72 | Viewed by 8773
Abstract
Fine-resolution population distribution mapping is necessary for many purposes, which cannot be met by aggregated census data due to privacy. Many approaches utilize ancillary data that are related to population density, such as nighttime light imagery and land use, to redistribute the population [...] Read more.
Fine-resolution population distribution mapping is necessary for many purposes, which cannot be met by aggregated census data due to privacy. Many approaches utilize ancillary data that are related to population density, such as nighttime light imagery and land use, to redistribute the population from census to finer-scale units. However, most of the ancillary data used in the previous studies of population modeling are environmental data, which can only provide a limited capacity to aid population redistribution. Social sensing data with geographic information, such as point-of-interest (POI), are emerging as a new type of ancillary data for urban studies. This study, as a nascent attempt, combined POI and multisensor remote sensing data into new ancillary data to aid population redistribution from census to grid cells at a resolution of 250 m in Zhejiang, China. The accuracy of the results was assessed by comparing them with WorldPop. Results showed that our approach redistributed the population with fewer errors than WorldPop, especially at the extremes of population density. The approach developed in this study—incorporating POI with multisensor remotely sensed data in redistributing the population onto finer-scale spatial units—possessed considerable potential in the era of big data, where a substantial volume of social sensing data is increasingly being collected and becoming available. Full article
(This article belongs to the Special Issue Spatial Demography and Health – The 1st Internaitonal Symposium on Lifecourse Epidemiology and Spatial Science (ISLES))
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