24 Questions
What is the main purpose of a rain gauge?
To measure precipitation
What type of rain gauge is less prone to damage and suitable for harsh weather conditions?
Tipping bucket rain gauge
What is the purpose of a hyetograph?
To prepare a plot of the intensity of rainfall against time
What is the main application of precise rainfall data in water management?
To inform decisions on water storage, distribution, and conservation efforts
What is the main factor affecting rainfall patterns mentioned in the text?
Geographic Location
What type of system detects rainfall intensity and patterns over large geographic areas?
Weather radar systems
What is the unit of measurement for rainfall intensity?
mm per hour (mm/h)
What is the purpose of satellite-based remote sensing in rainfall measurement?
To collect data on cloud cover, moisture, and other precipitation indicators
What does the symbol 'p' represent in hydrology?
Effective Porosity
What is the purpose of using areal rainfall data in hydrological modeling?
To enhance water resource management
What is the term for the process of dividing a region into polygons based on the locations of rain gauges?
Thiessen Polygon Method
What is the term for the lines of equal rainfall plotted on a map based on gauge data?
Isohyets
What is the purpose of measuring areas between isohyets?
To calculate areal rainfall
What is the term for the movement of rainfall events that affects the conversion to areal data?
Storm characteristics
What is the term for the process of calculating areal rainfall as a weighted average of polygon values?
Thiessen Polygon Method
What is the term for the measure of the proportion of void space in a soil or rock that is accessible to water?
Effective porosity
What type of rain gauge gives hourly rainfall?
Recording type rain gauge
What is the term for the amount of precipitation that descends onto the surface of Earth?
Rainfall
What is the term for the length of time rainfall occurs?
Duration
What type of storms can produce larger size raindrops with more impact energy?
Higher intensity storms
What is the purpose of installing a rain gauge on a concrete or masonry platform?
To present rainfall data graphically
What is the term for rainfall data collected at a particular station?
Station rainfall
What is the atmospheric phenomenon that results in the formation of precipitation?
Condensation of moisture in the atmosphere
What type of instrument is used to measure rainfall?
Rain gauge
Learn about the importance of rain gauges in measuring precipitation, their types, and how precise rainfall data informs water management decisions and sustainable supplies.
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