Question
Download Solution PDFAs per Indian Meteorological Organization, how much percentage of rain gauges should be of recording type?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Rain gauge is an instrument used to measure the rainfall at the location where it is installed. It is known by various other names such as – Pluviometer, ombrometer, hyetometer, and odometer.
In order to have a correct estimate of the amount of rainfall over a particular area, proper distribution of rain gauge stations are required. For this, a term called rain gauge density is defined which means that no. rain gauge stations required per square km2.
As per Indian Meteorological Organization, 10 percent of rain gauges should be of recording type
As per IS a recommendation, the rain gauge density depends on the terrain of the area and it is given below:
|
Location |
Rain Gauge Density |
|
Plain region |
1 station per 520 km2 |
|
Average elevation of 1000m. |
1 station per 260-390 km2 |
|
Hilly and heavy rainfall areas |
1 station per 130 km2 |
∴ Number of required rain gauge stations = Area × Rain gauge density
Last updated on Mar 26, 2025
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