Water resourcesDistribution of freshwater resources by typeGlaciers (69.0%)Groundwater (30.0%)Other freshwater (e.g. soil moisture) (0.70%)Directly accessible water (0.30%)Water resources are natural resources of water that are potentially useful for humans. For example, they serve as a source of drinking water or irrigation water.
Environmental engineeringEnvironmental engineering is a professional engineeringdiscipline related to environmental science. It encompasses broad scientific topics like chemistry, biology, ecology, geology, hydraulics, hydrology, microbiology, and mathematics to create solutions that will protect and also improve the health of living organisms and improve the quality of the environment. Environmental engineering is a sub-discipline of civil engineering and chemical engineering.
Drainage basinA drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern.
Water cycleThe water cycle (or hydrologic cycle or hydrological cycle) is a biogeochemical cycle that involves the continuous change in form of water on, above and below the surface of the Earth across different reservoirs. The mass of water on Earth remains fairly constant over time. However, the partitioning of the water into the major reservoirs of ice, fresh water, salt water and atmospheric water is variable and depends on climatic variables.Environmental scienceEnvironmental science is an academic field that integrates the physical, biological, and mathematical sciences to study the environment and solve environmental problems. It uses an integrated, quantitative, and interdisciplinary approach to analyze environmental systems and emerged from the fields of natural history and medicine during the Enlightenment.
Civil engineeringCivil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewage systems, pipelines, structural components of buildings, and railways. Civil engineering is traditionally broken into a number of sub-disciplines.
Earth scienceEarth science or geoscience includes all fields of natural science related to planet Earth. This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere, hydrosphere/cryosphere, atmosphere, and geosphere (or lithosphere). Earth science can be generalized into planetary science, a more recent branch of science.EnvironmentalismPhilosophy about Earth protectionEnvironmentalism is a broad philosophy, ideology, and social movement about supporting life, habitats, and surroundings. While environmentalism focuses on the environmental and nature-related aspects of green ideology and politics, ecologism combines the ideology of social ecology and environmentalism.
Natural disasterType of adverse eventEconomic loss risk for six natural disasters: tropical cyclones, droughts, earthquakes, floods, landslides, and volcanoes.A natural disaster is the very harmful impact on a society or community brought by a natural phenomenon or hazard. Some examples of natural hazards include avalanches, droughts, earthquakes, floods, heat waves, landslides - including submarine landslides, tropical cyclones, volcanic activity and wildfires.-logy-logy is a suffix in the English language, used with words originally adapted from Ancient Greek ending in (-logía). The earliest English examples were anglicizations of the French , which was in turn inherited from the Latin. The suffix became productive in English from the 18th century, allowing the formation of new terms with no Latin or Greek precedent.
Physical geographyPhysical geography (also known as physiography) is one of the three main branches of geography. Physical geography is the branch of natural science which deals with the processes and patterns in the natural environment such as the atmosphere, hydrosphere, biosphere, and geosphere.
Ancient GreekAncient Greek (Ἑλληνική, Hellēnikḗ [hellɛːnikɛ̌ː]) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (c. 1400 – c. 1200 BC), Dark Ages (c. 1200 – c. 800 BC), the Archaic or Homeric period (c. 800 – c. 500 BC), and the Classical period (c. 500 – c. 300 BC).
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