6. Measurement of Precipitation – Recording and Non-Recording Types
Precipitation measurement is essential for water resource management and hydrology, employing various instruments categorized as recording or non-recording types. The chapter reviews the characteristics of these instruments, the methods of measuring precipitation, and the importance of accurate data collection in predicting water availability and managing agricultural resources effectively.
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What we have learnt
- Precipitation measurement includes parameters like intensity, duration, frequency, amount, and spatial distribution.
- Recording rain gauges provide continuous data while non-recording gauges only measure total rainfall.
- Accuracy in precipitation measurement depends on proper installation, maintenance, and calibration of rain gauges.
Key Concepts
- -- NonRecording Rain Gauges
- Devices that collect total rainfall over a specified period without recording time distribution or intensity.
- -- Recording Rain Gauges
- Automated instruments that continuously log rainfall data, providing detailed graphs or charts.
- -- Mass Curves
- Graphical representations showing cumulative rainfall over time, useful for analyzing data trends.
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