Reservoirs have been since the earliest civilisation, being part of man kind strategy for survival. These water storage facilities have been created since time immemorial mainly by constructing dams accross rivers and are intended both for capturing water that would otherwise proceed down river towards the oceans or lakes as well as for storing the water for as long as possible, till when needed and used.
Sediments which is naturaly released from the catchment areas into the reservoir via contributing stream is impeded by the water bodies in the reservoir which are retained by the dams and to a large extent the sediments is permanently trapped there in. This paper talks about managing the flow of reservoirs and regulated river or dam and how to improve its sustainability by balancing the needs of the society, the economy, the environment and the ecosystems. Likewise its environmental goals, its role on a global scale with the laws and regulations guiding it are also discussed in this paper.
Table of Contents
1 INTRODUCTION
1.1 Management Of Reservoirs And Their Environmental Goals
2 EUTROPHICATION
2.1 Estimating Ecosystem Flow Requirements
2.2 The Role Of Water Evaluation In Addressing Global Environmental Flow Requirements (Efrs)
3 MAJOR EFFECTS AND CONSEQUENCES OF BUILDING LARGE DAMS AND RESERVOIRS.
3.1 Laws And Regulations For Reserviors
3.2 How Reservoirs Are Controlled Or Regulated
4 DESILTING RESERVOIRS
4.1 Identifying Incompatibilities Between Human And Ecosystem Needs
5 CONCLUSION
Research Objectives and Core Themes
The primary objective of this paper is to examine the management of water flow in reservoirs and regulated rivers, specifically focusing on how to enhance sustainability by balancing societal, economic, and ecosystem requirements. The research explores the environmental impacts of dam construction, legal frameworks, and practical strategies for addressing challenges like siltation and eutrophication.
- Impact of dam development on river ecosystems and water flow regimes.
- Methods for estimating and implementing ecosystem flow requirements.
- Analysis of negative and positive consequences of large-scale reservoir infrastructure.
- Sustainable strategies for desilting and managing sediment in reservoirs.
- Global legal frameworks and regulatory compliance for dam management.
Excerpt from the Book
1 INTRODUCTION
Water is the most essential of our natural resources, and it is the responsibility of every consumer to ensure that we manage and use it effectively and sustainably. The latest climate change predictions show that pressure on water resources is likely to increase in the future. In light of this, we have to ensure that we continue to maintain and improve sustainable thoughts by balancing the needs of society, the economy and the environment. The natural flow patterns of rivers and creeks can be disrupted by human activity, for example:
People and businesses using river water, dams built to provide drinking water, land being built on, changing the way water runs off surfaces and into rivers and Pumping groundwater found beneath the earth's surface, often between saturated soil and rock crevices – this reduces the amount of water that would otherwise flow into rivers and wetlands. Reservoir is an outdoor storage area whereby water is amassed and preserved in quantity in order that it should be drawn off for use. Generally, reservoirs are designed by constructing dams across rivers. However, off-channel reservoirs may be provided by redirecting canals and pipelines that carry water from a river to natural or artificial depressions At that point when stream flow is seized in a reservoir, there is reduction in velocity flow and silt is deposited.
Summary of Chapters
1 INTRODUCTION: This chapter introduces the importance of sustainable water management and discusses how human activities and reservoir construction impact natural river flow patterns.
2 EUTROPHICATION: This section explains the causes of nutrient excess in reservoirs and details the challenges of implementing water management programs that satisfy both human needs and ecosystem health.
3 MAJOR EFFECTS AND CONSEQUENCES OF BUILDING LARGE DAMS AND RESERVOIRS.: This chapter provides a comparative overview of the negative and positive impacts of dam infrastructure and outlines existing legal and regulatory requirements.
4 DESILTING RESERVOIRS: This chapter focuses on technical solutions for managing sediment accumulation and identifies potential areas of conflict between human water utilization and ecosystem preservation.
5 CONCLUSION: The final section emphasizes the role of climate change and scientific modeling in developing future-proof, sustainable strategies for reservoir management.
Keywords
dams, ecology, flow, reservoir, water, sustainability, eutrophication, sediment, ecosystem, management, hydrology, climate change, environment, irrigation, water security
Frequently Asked Questions
What is the primary focus of this research?
The work focuses on the sustainable management of reservoir and regulated river water flows, balancing the complex needs of society, economy, and the environment.
What are the central thematic areas covered?
The paper covers the ecological impacts of dams, methods for estimating environmental flows, sediment management, and the legal governance of large-scale water storage systems.
What is the main objective of the study?
The goal is to explore how water management systems can be improved to mitigate negative environmental effects, such as siltation and eutrophication, while maintaining essential human services.
Which scientific methods are discussed?
The paper discusses methodologies such as ecosystem flow assessments, the use of computer models to simulate water flow, and practical sediment handling strategies like dredging and reservoir draining.
What does the main body address?
The main body examines the physical and ecological consequences of building dams, regulatory standards for high-risk reservoirs, and specific operational techniques for maintaining reservoir lifespan.
Which keywords characterize this paper?
Key terms include dams, ecology, reservoir, water flow, sustainability, eutrophication, sedimentation, and ecosystem management.
How does the author propose dealing with reservoir siltation?
The author highlights several options, including dredging, the use of bottom outlets during floods to mobilize sediment, and long-term hydrological and forestry stabilization efforts in the source basin.
What is the relationship between irrigation and water quality?
The text explains that while irrigation is a key benefit of reservoirs, it can also lead to issues like increased population pressure, spread of water-borne diseases, and deterioration of water quality due to nutrient runoff.
- Quote paper
- Elegbeleye Oladipo (Author), 2016, Managing The Flow Of Water From Reservoirs, Munich, GRIN Verlag, https://www.grin.com/document/313731
