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The Double mass curve technique is adopted to
- a)check the consistency of raingauge records
- b)to find the average rainfall over a number of years
- c)to find the number of rainguages required
- d)to estimate the missing rainfall data
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The Double mass curve technique is adopted toa)check the consistency o...
If the conditions relevant to the recording of a raingauge station have undergone a significant change during the period of record, inconsistency would arise in the rainfall data of that station. The checking for inconsistency of record is done by the double mass curve technique. This technique is based on the principal that when each recorded data comes from the same parent population, they are consistent.
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The Double mass curve technique is adopted toa)check the consistency o...
The Double mass curve technique is a graphical method used to check the consistency of raingauge records. This technique involves plotting a mass curve for each raingauge station and then plotting a double mass curve to compare the data from two different stations. The double mass curve is a plot of the cumulative departure of one station from its long-term average against the cumulative departure of the other station from its long-term average.
Explanation:
The double mass curve technique is used to check the consistency of raingauge records. This technique involves plotting mass curves for each raingauge station, which shows the cumulative rainfall for a given period. The mass curve is usually plotted for a year or a season. The double mass curve is then plotted by comparing the mass curves from two different stations. This comparison helps to identify any inconsistencies in the rainfall data recorded by the two stations.
The double mass curve technique is based on the assumption that the rainfall at two stations is proportional. By plotting the cumulative departure of one station from its long-term average against the cumulative departure of the other station from its long-term average, any inconsistencies in the data can be easily identified. If the double mass curve shows a linear relationship between the two stations, then the rainfall data is consistent. However, if there is a deviation from the linear relationship, then there may be inconsistencies in the data.
The double mass curve technique is widely used in hydrology and water resources management. It is an important tool for quality control of rainfall data and can be used to identify inconsistencies in the data recorded by different stations. The technique is also useful in estimating missing rainfall data and can help in the planning and design of water resources projects.
Explanation:
The double mass curve technique is used to check the consistency of raingauge records. This technique involves plotting mass curves for each raingauge station, which shows the cumulative rainfall for a given period. The mass curve is usually plotted for a year or a season. The double mass curve is then plotted by comparing the mass curves from two different stations. This comparison helps to identify any inconsistencies in the rainfall data recorded by the two stations.
The double mass curve technique is based on the assumption that the rainfall at two stations is proportional. By plotting the cumulative departure of one station from its long-term average against the cumulative departure of the other station from its long-term average, any inconsistencies in the data can be easily identified. If the double mass curve shows a linear relationship between the two stations, then the rainfall data is consistent. However, if there is a deviation from the linear relationship, then there may be inconsistencies in the data.
The double mass curve technique is widely used in hydrology and water resources management. It is an important tool for quality control of rainfall data and can be used to identify inconsistencies in the data recorded by different stations. The technique is also useful in estimating missing rainfall data and can help in the planning and design of water resources projects.
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