Questions and Answers
Water Treatment
Non-conventional water resources: wastewater reuse and desalination. Advantages and disadvantages.
Water security
Conventional water resources are also known as natural water resources.
Groundwater
Meaning, studies and importance of hydrogeology. What does a hydrogeologist do?
Urban water cycle
Definition and impacts of water stress. Levels of water stress.
Water security
Created by British researcher John Anthony Allan, this is a very useful concept for accounting for our use and abuse of water.
Digital
Definition and description of the different types of water meters.
Irrigation
Drip irrigation allows efficient delivery of water and nutrients.
Urban water cycle
Definition of the main types of water according to their chemical, physical or biological characteristics.
Causes and origin of water pollution and main water pollutants.
Urban water cycle
They owe their name to their cloudy appearance and their status as being between fresh and drinking water and sewage.
Definition, formation and types of meander.
Water Treatment
Ultrafiltration (UF) is a technology applied in water treatment that consists of...
Definition, morphology and types of deltas.
Urban water cycle
Stormwater plays an important role in urban areas. Stormwater is the water that is used to...
A tributary of a river is a term that is recognised within the structure of a river basin. There are different types of tributaries...
Biodiversity
The second longest river in the world is also the longest river in Africa.
Americas
The longest river in South America is also the longest river in the world.
Description, classification and importance of river basins.
In geography, three parts of a river are recognised according to its longitudinal profile, which are characterised by...
Biodiversity , China
Description of the longest river in China. River basin and tributaries.
Biodiversity , India
Description of the longest river in India. Source, mouth and basin.
Biodiversity , Spain
Description of the longest river in Spain. Tributaries and basin.
Middle East & Africa
We give you the answer regarding where is the nile river located on a map.
Biodiversity , Australia
Description and characteristics of Australia's longest river. River basin.
Biodiversity , France
Description, characteristics, river basin and tributaries of the longest river in France.
Urban water cycle, Waste water treatment
Wastewater may be contaminated by urban waste or may come from a variety of industrial processes.
A river can be more or less abundant depending on the parts of the river and can be fed in various ways...
Biodiversity , United Kingdom
Key facts about Scotland's longest river.
Biodiversity , United Kingdom
The longest river in the United Kingdom. Tributaries and basin.
Groundwater
Groundwater is a crucial resource for human survival and for the environment. Groundwater means...
Water Treatment
Reverse osmosis is used as a seawater desalination method. The way reverse osmosis works is...
Climate change
Definition of drought, types and consequences. World Desertification and Drought Day.
Water Treatment
Osmosis is a biological process of vital importance for living beings which involves...
Desalination
We tell you what is the meaning of desalination and how it is done.
Urban water cycle
Evaporation is a physical process in the water cycle that involves...
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...
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...