Canals

A dry canal refers to a waterway or canal that is designed for navigation but lacks a continuous flow of water. Instead of being filled with water, it may be used for transportation or trade during certain seasons or is intended for future use when water is available. Dry canals can also serve as infrastructure for other purposes, such as roads or pathways.

Copenhagen has approximately 125 miles (around 200 kilometers) of canals. The most famous ones include Nyhavn, Christianshavn, and the Copenhagen Harbor. These canals play a significant role in the city's transportation and tourism, offering picturesque views and boat tours.

A canal-side walkway is a pedestrian pathway that runs alongside a canal, providing access for walking, cycling, and sometimes jogging. These walkways often feature scenic views, recreational areas, and landscaping, making them popular spots for leisure activities. They can also serve as important links between neighborhoods, parks, and urban areas, promoting community engagement and transportation alternatives.

The bilge keel radius refers to the curvature of a ship's hull at the bilge, which is the area where the bottom of the hull meets the sides. A moderate bilge keel radius helps enhance stability and reduce rolling. Dead rise is the angle between the horizontal plane and the bottom of the hull, affecting how the ship interacts with waves and its overall seaworthiness. For the Panama Canal, specific dimensions and profiles are critical to ensure safe passage through its locks and channels, often requiring vessels to adhere to defined limits for both bilge keel radius and dead rise.

The Duke of Bridgwater built his canal on the River Irwell. The Bridgwater Canal, completed in 1761, was designed to transport coal from his mines in Worsley to Manchester, significantly aiding in the industrial development of the region. This canal is often considered one of the first true canals in England and played a vital role in the expansion of the canal network during the Industrial Revolution.

The construction of the Aswan Dam, completed in 1970, allowed Egypt to exert greater control over the Nile River, which in turn enhanced its economic and strategic position in the region. This increased control over water resources bolstered Egypt's bargaining power regarding the Suez Canal, a crucial maritime route. While the dam itself was primarily focused on irrigation and hydroelectric power, its geopolitical implications contributed to a stronger Egyptian stance in negotiations and conflicts involving the canal. Overall, the dam's benefits further solidified Egypt's influence over vital waterways.

Not all canals are man-made. While many canals are constructed by humans for purposes such as irrigation, transportation, or drainage, there are also natural waterways that can resemble canals, formed by geological processes or erosion. However, the term "canal" typically refers to artificial channels created to direct water for specific uses.

Gabon has an extensive network of waterways, including around 1,200 kilometers of navigable rivers and canals. The most notable canal system is the Ngounié River, which is part of the larger river network in the country. However, specific information on the exact number of canals in Gabon is scarce, as many waterways are natural rather than man-made. Overall, the country's geography is characterized by its numerous rivers rather than a defined number of canals.

Negotiations to return the Panama Canal to Panama began in earnest in 1964. These discussions culminated in the signing of the Torrijos-Carter Treaties in 1977, which set a framework for the gradual transfer of control of the canal from the United States to Panama. The transfer was completed on December 31, 1999.

The semi-circular canals are small, fluid-filled structures located in the inner ear, each measuring about 1-2 centimeters in length and only a few millimeters in diameter. There are three semi-circular canals—horizontal, anterior, and posterior—arranged perpendicularly to one another to detect rotational movements of the head. Their size allows them to effectively sense changes in balance and orientation, playing a crucial role in maintaining equilibrium.

To register a narrowboat for use on the canal, you need to apply to the Canal & River Trust (CRT) if you're in England and Wales. This involves filling out a registration form and providing details about the boat, such as its dimensions and engine type. You must also pay a registration fee and obtain a valid boat license, which includes proof of insurance and a valid boat safety certificate. Once approved, you'll receive a registration number that should be displayed on your narrowboat.

Several improvements were made on the canal, including widening and deepening the waterway to allow for larger vessels to pass through. Lock systems were also installed to manage water levels and facilitate the movement of boats up and down the canal. Additionally, towpaths were constructed alongside the canal to allow for horse-drawn boats to be pulled along the watercourse, increasing transportation efficiency.

The water flows through the Suez Canal from north to south. The canal connects the Mediterranean Sea to the Red Sea, with the northern end located at Port Said and the southern end at Suez. This north-south flow allows ships to travel between Europe and Asia without having to navigate around the southern tip of Africa.

Ferozpur, which had the headworks of all the rivers in Pakistan, was given to India, but India agreed not to interfere in the water supply. On 1st April 1948, India stopped all the water coming into Pakistan due to which crops could not be irrigated. In May 1948, a temporary treaty was signed, according to which India would resume water supply in return for a sum of money. However, the water supply was still interfered with by India in the 1950s. In 1960, the Indus Water Treaty was signed, with the help of the World Bank, according to which Indus, Chenab and Jhelum were given to Pakistan while Ravi, Bias and Sutlej, were given to India.

It greatly reduced the time required for ships traveling from the eastern to the western United States. It also saved travel time for ships of all nations. To get to either the Pacific or Atlantic oceans became a shorter trip than traveling around the southern tip of Argentina.

The primary workers on the Panama Canal were laborers from the Caribbean, particularly from countries like Barbados, Jamaica, and Martinique. Many of these workers were brought to Panama by the French and later the US to help with the construction of the canal. Indigenous people from Panama were also employed on the project.

Some negative effects of the Panama Canal include environmental impacts such as habitat destruction, introduction of invasive species, and water pollution. Additionally, there have been concerns about social issues such as displacement of communities and labor rights violations in the construction and operation of the canal.

The location of the canal made it difficult to build because of its distance from the countries buliding it.

Pollutants found in the Venice canals can include sewage, debris, oil from boats, and chemicals from runoff. These pollutants can degrade water quality, harm marine life, and impact the overall health of the ecosystem. Efforts are being made to reduce pollution in the canals through improved waste management and environmental regulations.

heavy rains there provide plenty of fresh water to operate the locks. Lake Nicaragua was the most tempting location for an interocean canal before construction in panam began, but an earthquake destroyed it. It had both negative and positive influence.

Canals are used for transportation of goods and people, irrigation for agriculture, drainage of waterlogged areas, and as a source of water supply for various purposes. They are man-made waterways that provide an efficient way to move water from one place to another.