Dynamic simulation and assessment of the ecological benefits of hydropower as an alternative energy for thermal power under ecological civilization construction: A case study of Fujian, China

Abstract

As ecological civilization construction receives growing attention in China, the eco‐friendliness of the power supply structure is becoming increasingly important. Thermal power and hydropower are the two major power sources in China. Hydropower has both positive and negative effects on the ecosystem. However, there are few studies on the comprehensive impact of hydropower on the ecosystem. Therefore, the main innovation of this article is to integrally and comprehensively study the impact of hydropower to propose recommendations for hydropower development. The study of hydropower's effects on the overall ecosystem including resources, the environment, and economic society reflects the integrity, and the simultaneous study of hydropower's positive and negative effects reflects the comprehensiveness. First, this paper constructs a system dynamics (SD) model that can analyze the impact of replacing thermal power with hydropower on the ecosystem and proposes an improved coupling coordination degree (CCD) model. Then, this paper takes the province of Fujian as an example for SD scenario simulation and proposes recommendations for each indicator in the ecology subsystem. Finally, this paper performs CCD analysis on subsystems of the ecology subsystem in different policy scenarios and provides suggestions for future hydropower development in Fujian. Results show that hydropower technology improvement and efficiency increase (HTIEI) is more conducive to the development of the overall ecosystem. The scientificity of the current hydropower policy in Fujian is proven through theoretical analysis, and further hydropower development proposals are proposed. This paper provides a basis for the formulation of power generation policies and promotes ecological civilization construction for Fujian. The proposed methods in this paper can also provide tools for policy research on clean energy power generation.

Simulation of carbon emission for mining‐separating‐backfilling integrated coal mines based on system dynamics

“…SD was founded by professor Forrester, it was mainly used in the management of industrial enterprises at the beginning, and then widely used in social economy, environmental process, and other fields 23,24 . SD believes that the behavior pattern and characteristics of a system mainly depend on its internal dynamic structure and feedback mechanism 25 .…”

“…SD was founded by professor Forrester, it was mainly used in the management of industrial enterprises at the beginning, and then widely used in social economy, environmental process, and other fields. 23,24 SD believes that the behavior pattern and characteristics of a system mainly depend on its internal dynamic structure and feedback mechanism. 25 Most of the existing research on coal mine carbon emissions are to establish energy consumption and carbon emissions lists through the life cycle or calculate energy consumption and carbon emissions of various production links through accounting models.…”

A Multicriteria Evaluation of Sustainable Riparian Revegetation with Local Fruit Trees around a Reservoir of a Hydroelectric Power Plant in Central Brazil

“…A hydropower plant provides clean and renewable energy, controls floods, and offers the most efficient and flexible means of storing large amounts of energy, with instant response to changes in electricity demand [1,2]. On the other hand, it modifies rivers and their ecosystems by fragmenting channels, changing river flows, and transforming watersheds.…”