Hydrology
ETHZ / Bauingenieur Bsc. / 5.Semester / HS2020
ETHZ / Bauingenieur Bsc. / 5.Semester / HS2020
Kartei Details
| Karten | 78 |
|---|---|
| Sprache | English |
| Kategorie | Naturkunde |
| Stufe | Universität |
| Erstellt / Aktualisiert | 15.09.2020 / 10.11.2023 |
| Lizenzierung | Keine Angabe |
| Weblink |
https://card2brain.ch/box/20200915_hydrology
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| Einbinden |
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Definition of Hydrology
Science of all phases of the Earth's water.
Why do many coastlines around the world erode faster than in the past?
Because the sediments (usually transported to sea via the rivers) are held back by manmade structures such as dams and reservoirs.
Estimated world water quantities
\(1.34*10^9 \text{ km}^3\)
Distribution of Water on Earth
Water balance
Defines the conservation of mass across the different compartments of the hydrological cycle
(atmosphere, water bodies, soil and ground, vegetation, snowpack and ice)
The hydrological cycle
Hydrology - 3 Main Engineering Problems
- Control of excess water - (flood storm mitigation, storm drainage, bridges, sewerage)
- Conservation (quantity) - (water supply, irrigation, hydropower, navigation)
- Conservation (quality) - (pollution control)
Retention
Der Niederschlagsinput kommt zeitlich verzögert am Einzugsgebietsauslass (Pegel) an. Diese zeitliche Verzögerung (Retention) ist abhängig von den Speichereigenschaften und der Grösse des Einzugsgebietes.
