HEC-SSP Examples
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HEC-SSP Examples
Welcome to HEC-SSP Examples.
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HEC-SSP Examples Introduction
Bulletin 17B Examples
Example 1. Fitting the Log-Pearson Type III Distribution
Example 2. Analysis with High Outliers
Example 3. Testing and Adjusting for a Low Outlier
Example 4. Zero-Flood Years
Example 5. Confidence Limits and Low Threshold Discharge
Example 6. Use of Historic Data
Bulletin 17C Examples
Bulletin 17C | Expected Moments Algorithm Examples
Example 1. Systematic Record – Moose River at Victory, VT
Example 2. Analysis with Low Outliers – Orestimba Creek near Newman, CA
Example 3. Broken Record – Back Creek near Jones Springs, WV
Example 4. Historical Data – Arkansas River at Pueblo, CO
Example 5. Crest Stage Gage Censored Data – Bear Creek at Ottumwa, IA
Example 6. Historic Data and Low Outliers – Santa Cruz River at Lochiel, AZ
Example 7. User Overrides (Low Outliers and Confidence Limits) – Rapid Creek above Canyon Lake near Rapid City, SD
Example 8. [inf – inf] Perception Threshold – Pembina River at Neche, ND
Example 9. [0 – value] Perception Threshold – Clark Fork River below Cabinet Gorge Dam, ID
Example 10. Systematic and Historical Record with Regional Skew – Schuylkill River at Berne, PA
Bulletin 17 Variable Time Window Examples
Moving Window - Bushkill Creek
Expanding Window - Bushkill Creek
General Frequency Analysis Examples
Example 7. Analyzing Stage Data
Example 8. Using User-Adjusted Statistics
Example 9. General Frequency – Graphical Analysis
Example 29. General Frequency, Fitting a Log Pearson Type III Distribution using the Expected Moments Algorithm
Example 30. General Frequency, Fitting an Analytical Distribution to a Precipitation Time Series
Volume Frequency Analysis Examples
Example 10. Volume Frequency Analysis, Maximum Flows
Example 11. Volume Frequency Analysis, Minimum Flows
Example 31. Volume Frequency, Fitting a Family of Log Pearson Type III Distributions to Volume-Duration Data using the Expected Moments Algorithm
Duration Analysis Examples
Example 12. Duration Analysis, BIN (STATS) Method
Example 13. Duration Analysis, Rank All Data Method
Example 14. Duration Analysis, Manual Entry
Coincident Frequency Analysis Examples
Example 15. Coincident Frequency Analysis, A and B can be Assumed Independent
Example 16. Coincident Frequency Analysis, A and B can not be Assumed Independent
Balanced Hydrograph Analysis Examples
Example 17. Balanced Hydrograph Analysis, Using an Historical Event Hydrograph
Example 18. Balanced Hydrograph Analysis, Using a Triangular-shaped Hydrograph
Distribution Fitting Analysis Examples
Example 20. Distribution Fitting, Analyzing Model Uncertainty Using a Time Series of Annual Maximum Streamflow
Example 21. Distribution Fitting, Analyzing a Time Series of Daily Average Flow Using Time Window, Seasonal, and Annual Maxima Filtering
Example 22. Distribution Fitting, Analyzing a Time Series of Daily Average Flow Using Time Window, Seasonal, and Peaks Over Threshold Filtering
Example 23. Distribution Fitting, Analyzing a Time Series of Daily Precipitation Accumulation Using Peaks Over Threshold Filtering
Example 24. Distribution Fitting, Analyzing a Time Series of Daily Average Snow Water Equivalent Using Annual Maxima Filtering
Example 25. Distribution Fitting, Analyzing a Time Series of Daily Average Flow to Estimate Flood Seasonality
Example 26. Distribution Fitting, Analyzing a Paired Data Record of Hydrologic Model Output
Curve Combination Analysis Examples
Example 19. Curve Combination Analysis, Combining Multiple Frequency Curves Using Graphical Techniques
Mixed Population Analysis Examples
Example 27. Mixed Population Analysis, Combining Two Frequency Curves using the Probability of Union Concept
Example 28. Mixed Population Analysis, Combining Three Frequency Curves using the Probability of Union Concept
Data Filtering Examples
Data Filtering, Extracting an Annual Maximum Series
Data Filtering, Extracting a Partial Duration Series
Data Filtering, Using Multiple Filters
Data Filtering, Starting Pool - Elevation Filtering
Data Filtering, Extracting an n-Day Duration Time Series
Correlation Analysis Examples
Coincident Events - West Branch Susquehanna River
Coincident in Time - Tar River
Paired Data
Record Extension Analysis Examples
Annual Peak Record Extension - MF Eel River
Daily Average Record Extension - Yellowstone River