The application of GIS and RS for epidemics: a case study of the spread of highly pathogenic avian influenza in China in 2004-2005

Shaobo Zhong; Guiwen Lan; Haiguo Zhu; Renqiang Wen; Qiansheng Zhao; Quanyi Huang

doi:10.1117/12.815178

29 December 2008 The application of GIS and RS for epidemics: a case study of the spread of highly pathogenic avian influenza in China in 2004-2005

Shaobo Zhong, Guiwen Lan, Haiguo Zhu, Renqiang Wen, Qiansheng Zhao, Quanyi Huang

Author Affiliations +

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 728545 (2008) https://doi.org/10.1117/12.815178
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

Because of their inherent advantages, Geographic Information System (GIS) and Remote Sensing (RS) are extremely useful for dealing with geographically referenced information. In the study of epidemics, most data are geographically referenced, which makes GIS and RS the perfect even necessary tools for processing, analysis, representation of epidemic data. Comprehensively considering the data requirements in the study of highly pathogenic avian influenza (HPAI) coupled with the quality of the existing remotely sensed data in terms of the resolution of space, time and spectra, the data sensed by MODIS are chosen and the relevant methods and procedures of data processing from RS and GIS for some environmental factors are proposed. Through using spatial analysis functions and Exploratory Spatial Data Analysis (ESDA) of GIS, some results of relationship between HPAI occurrences and these potential factors are presented. The role played by bird migration is also preliminarily illustrated with some operations such as visualization, overlapping etc. provided by GIS. Through the work of this paper, we conclude: Firstly, the migration of birds causes the spread of HPAI all over the country in 2004-2005. Secondly, the migration of birds is the reason why the spread of HPAI is perturbed. That is, for some classic communicable diseases, their spread exhibits obvious spatial diffusion process. However, the spread of HPAI breaks this general rule. We think leap diffusion and time lag are the probable reasons for this kind of phenomena. Potential distribution of HPAI viruses (corresponding to the distribution of flyways and putative risk sources) is not completely consistent with the occurrences of HPAI. For this phenomenon, we think, in addition to the flyways of birds, all kinds of geographical, climatic factors also have important effect on the occurrences of HPAI. Through the case study of HPAI, we can see that GIS and RS can play very important roles in the study of epidemics.

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Shaobo Zhong, Guiwen Lan, Haiguo Zhu, Renqiang Wen, Qiansheng Zhao, and Quanyi Huang "The application of GIS and RS for epidemics: a case study of the spread of highly pathogenic avian influenza in China in 2004-2005", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 728545 (29 December 2008); https://doi.org/10.1117/12.815178

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