Uncertainty modeling and analysis of surface area calculation based on a regular grid digital elevation model (DEM)

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成果类型：

期刊论文

作者：

Li, Chang*;Zhao, Sisi;Wang, Qing;Shi, Wenzhong

通讯作者：

Li, Chang

作者机构：

[Zhao, Sisi; Li, Chang] Cent China Normal Univ, Key Lab Geog Proc Anal & Simulat, Wuhan, Hubei, Peoples R China.

[Zhao, Sisi; Wang, Qing; Li, Chang] Cent China Normal Univ, Coll Urban & Environm Sci, Wuhan, Hubei, Peoples R China.

[Shi, Wenzhong] Hong Kong Polytech Univ, Joint Spatial Informat Res Lab, Hong Kong, Hong Kong, Peoples R China.

[Shi, Wenzhong] Wuhan Univ, Wuhan, Hubei, Peoples R China.

通讯机构：

[Li, Chang] C

Cent China Normal Univ, Key Lab Geog Proc Anal & Simulat, Wuhan, Hubei, Peoples R China.

Cent China Normal Univ, Coll Urban & Environm Sci, Wuhan, Hubei, Peoples R China.

语种：

英文

关键词：

Digital terrain analysis (DTA);digital elevation model (DEM);surface area calculation (SAC);truncation error (TE);uncertainty modeling

期刊：

International Journal of Geographical Information Science

ISSN：

1365-8816

年：

2018

卷：

期：

页码：

1837-1859

DOI：

10.1080/13658816.2018.1469136

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41101407, 41771493]; Natural Science Foundation of Hubei ProvinceNatural Science Foundation of Hubei Province [2010CDZ005, 2014CFB377]; Wuhan Youth Science and technology plan [2016070204010137]; self-determined research funds of CCNU from the college's basic research and operation of MOE [CCNU15A02001]

机构署名：

本校为第一且通讯机构

院系归属：

城市与环境科学学院

摘要：

In the field of digital terrain analysis (DTA), the principle and method of uncertainty in surface area calculation (SAC) have not been deeply developed and need to be further studied. This paper considers the uncertainty of data sources from the digital elevation model (DEM) and SAC in DTA to perform the following investigations: (a) truncation error (TE) modeling and analysis, (b) modeling and analysis of SAC propagation error (PE) by using Monte-Carlo simulation techniques and spatial autocorrelation error to simulate DEM uncertainty. The simulation experiments show that (a) without the int...

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Uncertainty modeling and analysis of surface area calculation based on a regular grid digital elevation model (DEM)

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