Journal of Food, Agriculture and Environment

Ecological protection and safety utilization of beaches based on the Xiaolangdi Reservoir flood control of the Yellow River lower reach: Kaifeng area as a case study

Author(s):

Peng Yan Zhang ¹, Xing Ren ¹, Ming Zhou Qin ¹*, Long Chen ¹, Xiao Long Li ²

Recieved Date: 2013-07-28, Accepted Date: 2013-10-10

Abstract:

In this article, Yellow River beach land in the Kaifeng area is used as a case study to explore beach utilization issues after Xiaolangdi Reservoir flood control. Based on the latest SPOT2.5 images for 2007 and ArcGIS and ERDAS remote sensing image processing software, along with field surveys, the Yellow River channel boundary and beach land use within Kaifeng City are mapped in detail. Then, employing the TM images of annual highest flood peaks between 1992 and 2007, and data from the hydrological observation stations along the Yellow River, the river channel flood fringe line for this typical 15-year period is outlined for flow levels up to 8000 m³/s. In conjunction, the submerged Yellow River beach areas within Kaifeng City area under different regularly occurring flood flows are drawn up, overlaid by background data. Using a mathematical model of Yellow River downstream runoff and sediment transport, with cross section data for the river channel after 2004, various high level floods with flows over 4000 m³/s are simulated and the potential submerged areas within Kaifeng Yellow River beach region are identified. To shed light on land resource management issues, as well as ecological safety requirements for floods transiting within the river channel, the current land utilization situation and existing problems of the lower reach of the Yellow River are discussed. Finally, based on the outcome of the research, together with the incorporation of new socialism village construction standards, four zones of ecological protection and safety use to avoid floods are suggested for the Kaifeng Yellow River beach region. At the same time, some important measures are proposed for using beach land resources and ecological safe respectively while avoiding flood risk.

Keywords:

Yellow River beach region, land ecological safety, new socialism village construction, flood risk, Xiaolangdi Reservoir flood control

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 2302-2308

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