New Zealand Journal of Agricultural Research abstracts

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Exploration on Digital Water Conservancy

Liang Yong^1,2,*

Liu Jiping¹

Lin Xiangguo³

Zhang Chengming²

Li Yanling²

Ma Mingwen⁴

¹Chinese Academy of Surveying and Mapping
Beijing 100039, China

²Department of Surveying and Mapping
School of Information Science and Engineering
Shandong Agricultural University
Taian, 271018
Shandong, China

³School of Resources and Environment Science
Wuhan University
Wuhan 430072, China

⁴Management Bureau of Xue Ye Reservoir of Laiwu
Laiwu 271100
Shandong, China

^*Author for correspondence: yongl@sdau.edu.cn

Abstract   The definition of "Digital Water Conservancy" is proposed on the basis of "Digital Earth" in this paper. The necessity, feasibility, construction principles of "Digital Water Conservancy" are analysed, and the framework of it is proposed, that is: key technology, basic infrastructure, and comprehensive applications. The key technology is composed of spatial information technology, management information technology, and comprehensive information technology; the basic infrastructure consists of National Information Infrastructure (NII), National Spatial Data Infrastructure (NSDI), special data of water conservancy and security measures; the comprehensive applications are made up of the management system, decision-making models, and application systems. The above three levels supply hardware and software to water conservancy around data acquisition and updating, processing and accessing, information extraction and analysis, propagation of information, building and updating of databases, web and transmission, and decision-making support. A spatial information infrastructure, special data of water conservancy, and decision-making models are the core and are discussed in detail. Digital Water Conservancy is a large and complex systematic engineering, but it can be regarded as being composed of points (reservoirs and lakes), lines (rivers and their watersheds), and regions (oceans). A digital reservoir analysis is carried out in Xue Ye Reservoir, Shandong Province to provide experience for informatisation of water conservancy in China.

Keywords   database; decision-making; digital earth; digital water conservancy; 3S technology; spatial analysis

A07082; Online publication date 21 December 2007; Received and accepted 10 August 2007

New Zealand Journal of Agricultural Research, 2007, Vol. 50: 713–718
0028–8233/07/5005–0713–© The Royal Society of New Zealand 2007

PDF file of entire paper: Print-quality (1053K) | screen-quality (449K)

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