Which option A to E below provides the best combination of alternatives (1)-(4)

Question

Which option A to E below provides the best combination of alternatives (1)-(4) that complete the following statement: For a given catchment, as the food magnitude increases: (1) The average recurrence interval increases (2) The exceedance probability decreases (3) The availability of flow data increases (4) The acceptable level of risk decreases A. (1) and (2) B. (1), (3) and (4) C. (2) and (4) E. None of the combinations given in A-D, it is another combination Flow measurement is usually done by measuring flow velocity continuously. Is this true? Please select the option with the most appropriate reasoning. A Yes, because flow velocity measurements are far more accurate than river height measurements B. No, because river height measurements are far more accurate than river velocity measurements C. No, because river height is easier to measure continuously than velocity D. No, river height over weir structures converted to flow using appropriate formulae E. None of the above Examine Figure 1 showing the observed peak flow data and the fitted distribution for a catchment in South Australia Which option A to E is the best combination of statements (1)-(4) which is most appropriate for this figure? (1) The fitted food distribution is not a good match to the observed data (2) The observed data have a higher variability than the fitted distribution (3) The observed data have a higher skewness than the fitted distribution (4) The observed data have a higher mean than the fitted distribution A. (1) and (2) B. (1) and (3) D. (1), (2) and (4) E. (1), (3) and (4)

Explanation / Answer

7.option d was the correct answer

flood magnitudes increase with of precipitation

a,b,c options are not relavent to the question

8. option a is the correct answer

because in flow velocity method width of river is made in to several segments

depth was finded out at their respective width

so that accuracy will stay more when compared to river height measurments

09. you are not uploaded the figure

so that im unable to answer it

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