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A detention basin, also known as a detention pond, is a stormwater management facility designed to temporarily hold rainwater runoff and release it slowly over time. The primary purpose of a detention basin is to manage stormwater flows in order to prevent flooding, reduce erosion, and improve water quality by allowing sediments and pollutants to settle out of the water before it is released into downstream waterways.

The drainage equation, often used in hydrology and soil physics, describes the movement of water through soil or other porous media. It is essential for understanding how water drains from the soil, which affects agricultural practices, irrigation, and groundwater management. One common form of the drainage equation is derived from Darcy's law, which relates the flow of water through a porous medium to the hydraulic gradient. The drainage equation can be expressed in various forms, depending on the context and assumptions made.

A drainage tunnel is a subterranean channel designed to manage and redirect water, primarily to prevent flooding and manage groundwater levels. These tunnels can be part of a larger drainage system and serve various purposes, including: 1. **Flood Control**: By diverting excess water away from populated or susceptible areas, drainage tunnels help mitigate the risk of flooding during heavy rain or melting snow.

Draining and development of the Everglades refers to the historical processes and activities that have significantly altered the natural landscape and hydrology of the Everglades ecosystem in Florida. Here’s an overview of those processes: ### Draining of the Everglades 1. **Historical Context**: The Everglades is a vast subtropical wetland that originally covered about 4 million acres.

In hydrology, "drawdown" refers to the reduction in the water level in a well or aquifer caused by water being extracted for various uses, such as agriculture, industrial processes, or municipal supply. It is a crucial concept in groundwater management, as it reflects the sustainability of water extraction practices and the overall health of aquifers.

The Dupuit–Forchheimer assumption is a principle used in groundwater hydrology, particularly in the context of modeling flow through porous media. It relates to the behavior of groundwater flow in an aquifer system and introduces an important assumption regarding the flow regime. ### Key Points about the Dupuit–Forchheimer Assumption: 1. **Vertical Flow Neglection**: The assumption primarily states that, under certain conditions, the flow of groundwater can be approximated as horizontal.

EPANET is a software application used for modeling and analyzing water distribution systems. Developed by the United States Environmental Protection Agency (EPA), it allows engineers and water utility managers to simulate the hydraulic and water quality behavior of water distribution networks over a specified time period. Key features of EPANET include: 1. **Hydraulic Modeling**: EPANET can calculate the flow of water through pipes, the pressure at various points in the network, and the level of water in storage tanks.

Egyptian Public Works refers to the construction, maintenance, and management of public infrastructure and facilities in Egypt, which can include roads, bridges, schools, hospitals, and various other public buildings and services. This branch of government activity is essential for supporting economic development, improving public safety, and enhancing the quality of life for citizens. In Egypt, public works projects are often managed by government ministries, such as the Ministry of Housing, Utilities, and Urban Communities, and the Ministry of Transport.

The evolution from the Francis turbine to the Kaplan turbine represents significant advancements in hydraulic turbine technology, reflecting changes in design, efficiency, and operating conditions for hydroelectric power generation. ### Francis Turbine 1. **Introduction**: The Francis turbine, developed by James B. Francis in the mid-19th century, was one of the first efficient types of turbines for medium to high head applications. It operates on the principle of converting hydraulic energy into mechanical energy.

Fascine mattresses are a type of bed mattress that typically feature a design focused on comfort, support, and quality materials. The term "fascine" can sometimes be used to describe specific features of construction or materials that enhance the sleep experience. For instance, they may include layers of memory foam, latex, or pocketed springs, which are designed to provide optimal support for the body by conforming to its shape while also maintaining good airflow and temperature regulation.

Fielding & Platt is a company with a rich history, primarily known for its engineering and manufacturing expertise. It was originally founded in the early 19th century in the United Kingdom and became well-known for producing industrial machinery, particularly in sectors like manufacturing and materials handling. Over the years, Fielding & Platt has been involved in various innovations and contributions to engineering technology. The company has undergone several changes and adaptations in response to market demands and technological advancements.

A flood bypass, often referred to as a flood bypass channel or flood relief channel, is a designated pathway or channel designed to divert excess water from a river, creek, or other body of water during conditions of flooding. The primary purpose of a flood bypass is to mitigate the risk of flooding in urban areas, agricultural zones, or regions where floodwaters could cause significant damage to infrastructure, homes, and ecosystems.

A floodway, in the context of roadways, refers to a designated channel or area that is intended to manage and convey floodwaters while minimizing damage to infrastructure and ensuring the safety of travelers. Floodways are typically constructed in flood-prone areas and are designed to direct excess water away from populated regions, roads, and structures.

Flow control structures are constructs in programming languages that dictate the order in which individual statements, instructions, or function calls are executed or evaluated in a program. They are essential for managing the flow of control in a program, allowing developers to create complex behaviors and conditions. Here are the main types of flow control structures: 1. **Sequential Execution**: - The default mode of execution where statements are executed one after the other in the order they appear in the code.

A flow limiter is a device or mechanism designed to restrict or control the flow of fluids (liquids or gases) within a system. Flow limiters are used in various applications, including plumbing, water management, industrial processes, and HVAC systems, to ensure that the flow rate does not exceed a certain threshold.

A flow splitter is a device used in various applications to divide a flow of fluid (liquid or gas) into multiple streams while maintaining the overall flow rate. These devices are commonly found in engineering and industrial settings, especially in processes involving fluids, such as HVAC systems, water treatment plants, and chemical processing. **Key features of flow splitters include:** 1. **Division of Flow:** Flow splitters are designed to separate a single input flow into two or more output flows.

"Full summer pool" refers to the level or elevation of water in a reservoir, lake, or other body of water during the summer months when the water is at its highest and most stable point. This designation is often used in the context of water management for dams, lakes, and recreational areas.

In hydraulic engineering, a "gate" refers to a structure used to control the flow of water within rivers, canals, reservoirs, and other water bodies. Gates can serve various functions, including regulating water levels, managing flood risks, and enabling water diversion for irrigation or other purposes. There are several types of gates commonly used in hydraulic applications: 1. **Sluice Gate**: A gate that can be raised or lowered to control the flow of water through an opening.

A gatehouse in the context of waterworks typically refers to a structure that is part of a hydrological system, such as a dam, reservoir, or water treatment facility. It usually serves multiple purposes, including: 1. **Control of Water Flow:** Gatehouses often contain gates or valves that can be opened or closed to control the flow of water into and out of a water body. This control is crucial for managing water levels, maintaining flow rates, and ensuring safe water supply.

A grassed waterway is an erosion control practice used in agricultural and land management settings to manage the flow of water across a landscape. Specifically, it involves establishing a channel or swale that is covered with grass or other vegetation to safely convey surface water runoff while minimizing soil erosion and sediment loss.