Saudi Water Academy
Connecting Waterpeople

Questions and Answers

What does delta mean?
Definition, morphology and types of deltas.
What is stormwater?
Urban water cycle
Stormwater plays an important role in urban areas. Stormwater is the water that is used to...
What does tributary mean?
A tributary of a river is a term that is recognised within the structure of a river basin. There are different types of tributaries...
What is an aquifer?
Groundwater
Aquifers play a key role in the hydrological cycle.
What is an irrigation ditch?
Irrigation
The irrigation ditch consists of...
What is the second longest river in the world?
Biodiversity
The second longest river in the world is also the longest river in Africa.
What is the longest river in South America?
Americas
The longest river in South America is also the longest river in the world.
River basin
Description, classification and importance of river basins.
What are the parts of river?
In geography, three parts of a river are recognised according to its longitudinal profile, which are characterised by...
What is the longest river in China?
Biodiversity , China
Description of the longest river in China. River basin and tributaries.
Which is the longest river in India?
Biodiversity , India
Description of the longest river in India. Source, mouth and basin.
What is the longest river in Spain?
Biodiversity , Spain
Description of the longest river in Spain. Tributaries and basin.
Where is the Nile River?
Middle East & Africa
We give you the answer regarding where is the nile river located on a map.
What is the longest river in Australia?
Biodiversity , Australia
Description and characteristics of Australia's longest river. River basin.
What is the longest river in France?
Biodiversity , France
Description, characteristics, river basin and tributaries of the longest river in France.
What is cenote?
Groundwater
Description, origin, recharge and importance of the cenotes.
What is wastewater?
Urban water cycle, Waste water treatment
Wastewater may be contaminated by urban waste or may come from a variety of industrial processes.
What is river?
A river can be more or less abundant depending on the parts of the river and can be fed in various ways...
What is the longest river in Scotland?
Biodiversity , United Kingdom
Key facts about Scotland's longest river.
What is the longest river in the UK?
Biodiversity , United Kingdom
The longest river in the United Kingdom. Tributaries and basin.
What is groundwater?
Groundwater
Groundwater is a crucial resource for human survival and for the environment. Groundwater means...
What are wetlands?
Biodiversity
Description, classification and importance of wetlands.
What is reverse osmosis?
Water Treatment
Reverse osmosis is used as a seawater desalination method. The way reverse osmosis works is...
What does drought mean?
Climate change
Definition of drought, types and consequences. World Desertification and Drought Day.
What is the definition of osmosis?
Water Treatment
Osmosis is a biological process of vital importance for living beings which involves...
What is the meaning of desalination?
Desalination
We tell you what is the meaning of desalination and how it is done.
What is evaporation in the water cycle?
Urban water cycle
Evaporation is a physical process in the water cycle that involves...
What is water?
Urban water cycle
Water is the most abundant substance in the planet and the only one that can in found in the atmosphere in liquid, solid and gaseous state. Water can be characterised as...
What is the meaning of hydrosphere?
Urban water cycle
Even though the amount of water in the hydrosphere is constant, it is unevenly distributed in the planet. The hydrosphere can be defined as...
What does potable water mean?
Drinking Water
Drinking water must be clean, tasteless, odourless, colourless and free of any contaminants, with some dissolved substances that are beneficial for us. Potable water means...
What is the greenhouse effect?
Climate change
One of the phenomena that most contributes to climate change is the greenhouse effect, which entails...
What is hydroelectric power plant, and how does it work?
Energy
Description and types of hydroelectric power plants.
Which is the largest waterfall in the world?
Biodiversity , World , Cambodia, Congo, Democratic Republic of, Venezuela
An answer to which is the largest waterfall in the world, according to different criteria.
What is global climate change?
Climate change , World
Climate change will generate an average temperature increase of the planet surface and a sea level rise during the 21st century. Climate change is defined as...
How can we save water?
Urban water cycle
A series of recommendations and measures to save water.
Do you know what is the most polluted river in the world?
Waste water treatment , India
The most polluted river in the world flows through India and Bangladesh and it suffers from…
Where is the source of the Amazon river?
Biodiversity , Peru
Until the source of the Amazon was found, several locations had been proposed. In 1996, the Amazon Source expedition located the source of the Amazon in…
What is the longest river in Mexico?
Biodiversity , Mexico
The longest river in Mexico is very important for the economy of the state of Chihuahua, as well as internationally, and its length is…
How long is the Amazon river?
Biodiversity , Brazil, Peru
Longer than the Nile, the Amazon river is the longest river in the world, and its length is…
How long is the Nile river?
Biodiversity , Egypt, Ethiopia, Kenya
The Nile is the second longest river in the world, after the Amazon and before the Yangtze and the Missouri rivers, and its length is….
What is the longest river in Asia?
Biodiversity , Asia Pacific , China
After the Amazon and the Nile, the longest river in Asia and the third longest river in the world, with a length of…
What is the deepest river in the world?
Biodiversity , Middle East & Africa
The deepest river in the world is also the second longest river in Africa. At some points water depth can reach…
What is the widest river in the world?
Biodiversity , Americas , Argentina, Uruguay
The widest river in the world drains the second largest basin in South America and has a maximum width of…
What is Canada's longest river?
Biodiversity , Americas , Canada
The longest river in Canada is the second longest river in North America and the 12th longest one in the world and its length is…
What is the longest river in the US – North America?
Biodiversity , Americas , United States of America
The longest river in North America flows entirely through the United States and its length is...
What is the longest river in Europe?
Biodiversity , Europe , Russia
The longest river in Europe has had considerable influence on the development of many cities in Russia and its length is…
What is the longest river in Africa?
Biodiversity , Middle East & Africa , Egypt
The length of the longest river in the African continent and the second longest in the world is…
What is the longest river in the world?
Biodiversity , Americas
The longest river in the world is also the one with the highest discharge; it flows through several countries in South America and its length is…
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