Hydrology Quiz

Which process in the hydrologic cycle involves the movement of water from the surface to the atmosphere?

• Infiltration

• Evaporation

• Runoff

• Precipitation

Which instrument is commonly used to measure rainfall?

• Anemometer

• Barometer

• Rain gauge

• Hygrometer

What is the purpose of a rain gauge network?

• To measure river discharge

• To estimate average rainfall over an area

• To measure humidity levels

• To measure soil infiltration

Which method is commonly used to determine the average rainfall over a catchment?

• Arithmetic Mean Method

• Isohyetal Method

• Thiessen Polygon Method

• All of the above

What does the IDF curve represent?

• Relationship between rainfall intensity, duration, and frequency

• Relationship between infiltration, depth, and frequency

• Relation between depth, area, and duration of rainfall

• Relation between precipitation and streamflow

Which factor is NOT considered while determining the continuity and consistency of rainfall data?

• Double mass curve method

• Station history

• Elevation of station

• Type of vegetation

Which curve is used to analyze the spatial distribution of rainfall over an area?

• IDF curve

• DAD curve

• Hydrograph

• Rating curve

What is evaporation?

• Movement of water into soil

• Transfer of water to the atmosphere from soil and plant surfaces

• Precipitation that flows over the land surface

• Underground water movement

Which factor does NOT affect evaporation?

• Temperature

• Wind speed

• Soil porosity

• Relative humidity

What is the combined process of evaporation and plant transpiration called?

• Infiltration

• Condensation

• Evapotranspiration

• Sublimation