15.6. Data Quality, Checking and Corrections

Try these first

1. 1.

   What are two types of common errors in rainfall data?

   Hint

   Think about the sources of inaccuracies in collecting data.

2. 2.

   What is Double Mass Curve Analysis used for?

   Hint

   Focus on how two datasets relate over time.

3. 3.

   What type of error is leakage from a rain gauge?

   • Instrumental
   • Observer
   • Natural

   Hint

   Consider if the error comes from the equipment or the person.

4. 4.

   True or False: Double Mass Curve Analysis is used for creating new datasets.

   • True
   • False

   Hint

   Think about the purpose of this method.

5. 5.

   A town's rainfall data has reported consistent shortages compared to neighboring areas. Describe the steps a scientist would take to investigate and resolve these discrepancies.

   Hint

   Consider both equipment-related and human factors influencing the data.

6. 6.

   During a monsoon season, a rainfall gauge is found to have overflowed multiple times. Detail how this impacts data quality and the steps needed to correct the data.

   Hint

   Think about the adjustments needed for both current and historical data.