Transcript WinTR-55 Small Watershed Hydrology WinTR-55 Development Team

WinTR-55
Small Watershed
Hydrology
WinTR-55 Development Team
Common Hydrology of
Urbanization
WinTR-55
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WinTR-55
Windows
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Tutorial
Demonstrate WinTR-55
Create WinTR-55 Input File
Run WinTR-55
View WinTR-55 Output
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WinTR-55 Capabilities &
Limitations
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Maximum Area
Watersheds
Tc
Reaches
Reach Types
Reach Routing
Structure Routing
Structure Types
Structure Sizes
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25 square miles
1-10
0.1 hour <Tc < 10 hours
0-10
Channel or Structure
Muskingum-Cunge
Storage-Indication
Pipe or Weir
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Capabilities & Limitations
 Rainfall Depth
 Rainfall Distributions
 Rainfall Duration
 Dimensionless Unit
Hydrograph
 Antecedent Runoff
Condition
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Default or user-defined
0-50 inches (0-1,270 mm)
NRCS Type I/IA/II/III
or
user-defined
24-hour
Standard peak rate
484 or user-defined
2 (average)
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Minimum Data Requirements
 Single sub-area run data
 WinTR-55 Main Window
 Project Identification Data
User, Project, Subtitle, State & County
 Sub-areas are expressed in:
Acres or Square Miles
 Dimensionless Unit Hydrograph
 Rainfall Storm Data
 Sub-area Data (Name, flows to reach/outlet, area,
weighted curve number, & time of concentration)
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WinTR-55 Sub-area/Reach
Concepts
 Watershed:
system of sub-areas and
reaches
 Sub-areas:
hydrograph-generating
areas
 Sub-areas flow into upstream end of
stream reach
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WinTR-55 Sub-area/Reach
Concepts
 Reaches - represent watershed stream flow paths
 Reaches or Routing Elements - 2 types
 Channel routing elements - Stream Reach
 Storage routing elements - Reservoir/Structure Reach
 “Outlet” -final reach
(required for all watersheds)
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Watershed Example
Legend
Storage Area
Sub-Area Inflow
Outlet
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Sub-area Data
 Drainage Area
 Runoff Curve Number (RCN) Data
 Time of Concentration (Tc) Data
 Channel Reach Data
 Structure Reach Data
 Design Storm Amounts and Distribution
NOTE: RCN and Tc may be directly entered on
WinTR-55 Main Window
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Getting StartedWelcome to WinTR-55 Window
 Start WinTR-55
“Return to
WinTR55”
 New user help
 Skip welcome
screen
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WinTR-55 Main Window
 Input basic
project data
 Menu
 Buttons
 Input boxes
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Help
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Display introduction
Help for the Main Window
System information
Program version number and date
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WinTR-55 Main Window
 New project
“File - New”
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Units
 English
or
 Metric
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Main Window-Data Entry
 Project Identification Data
(User, Project, etc.)
 Choose area units
 square mile or acres
 square km or hectares
 Select Dimensionless Unit
Hydrograph
 Input known project data in
the “Sub-area Entry and
Summary”
 Tc & RCN - direct input
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Project Data
 Project Data menu
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Land Use Details
Time of Concentration
Structure Data
Reach Data
 Buttons
 Double-click title blocks in
grid
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Land Use Details
 Go to land use
 right vertical scrollbar
 Land Use Category
radio button
 Area in hydrologic soil
column
 Maximum 15 land uses
per subarea
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Land Use Details
 Weighted CN
 Accumulated sub-area
area
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Land Use Summary
 Convenient summary
 Display current
subarea
 Summary toggle
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Custom Curve Number
 Create Custom CN
 Pervious curve number
 % Impervious area
 % Impervious area
unconnected
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Time of Concentration Details
 Enter sub-area flow path
segment data
 5 flow segments:
1-sheet flow
2-shallow concentrated
2-channel flow
 Displays total flow path
length
 Displays average flow
velocity
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Reach Data Entry
 Edit stream network
 Channel reach or storage
(structure) reach
 Create channel reach rating
table
 Use another model
(e.g. NRCS WinTR-20) when:
 > 10 reaches
 complex channel or storage
routing
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Reach Data Entry
 Unique “Reach Name”
(< 10 characters)
 Downstream
“Receiving Reach”
 Channels - channel data
 Structure  Enter structure name
 Go to Structure Data
Window
(Double-click Name)
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Reach Data Plot
 Graphical channel rating
“Plot”
 Line width & color”Options”
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View Reach Data
 schematic
“Reach Flow Path”
 Detail toggle
All Details
Overview
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Structure Data
Name
Surface area
Outlet type & size
Structure name correspond
to Reach Window name
 1-3 sizes/trials
 Complex ratings--use
another model
(e.g.WinTR-20 or Sites)
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Global Data - Main Window
 Storm Data-rainfall
depths
(how much did it rain?)
 Custom Rainfall
Distributions(how was the rain
distributed during the
storm?)
 Dimensionless Unit
Hydrograph-(What shape
is the hydrograph?)
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Storm Data
 NRCS-supplied rainfall depths
and distributions for the US
states and counties
 Edit rainfall depths
 Design rainfall distribution
 “Accept” to exit window
 Changing State-County on
Main Window doesn’t change
Storm Data!
 Set/edit Storm Data each run!
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Watersheds Outside US
 “State” and “County”
become
“Region” and “Locale”
 No NRCS-supplied rainfall
data
 Must enter rainfall depths
and pick distribution
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Custom Rainfall Distributions
 New distribution
 WinTR-55 Main Window
“GlobalData” menu
“Custom Rainfall Distribution”
or
“Custom Rainfall Distribution”
button
 Rename/delete distribution
 Enter dimensionless distribution
(increase from 0.00000 to
1.00000)
 Displays time increment and
number of points
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Rainfall Distributions Plot
 “Plot” current rainfall
distribution
 One distribution plot
(no comparisons)
 Options for line width
and color
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Dimensionless Unit Hydrographs
 New dimensionless unit
hydrograph
 Rename/delete
 Values increase from 0-1,
then decrease 1-0
 Number of points displayed
 Standard NRCS
dimensionless unit
hydrographs in WinTR-55
may not be edited or deleted
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Dimensionless Unit Hydrograph
Plot
 “Plot” button on the
Dimensionless Unit
Hydrographs window
 Options for line width
and color
 Single DUH
(no multiple DUH plots)
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Run
 ”Run” on the WinTR-55
Main Window menu
or
“Run” button
 Check storm(s) to
evaluate
 Click “Run” button
 “Run” not available for
incomplete data
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Viewing Output
 File Display window opens
after WinTR-55 run
 Also “Report View”
 Various WinTR-55
reports
 Errors during run “Error File” window opens
 Error messages
“View - Error File”
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Output Definition
 Complete data for a run
“Output Definition” button
available
(WinTR-55 Main Window)
 Check output report
 Print to printer
 View on-screen
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Possible Reports
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Current data description
Storm Data
Watershed Peak Table
Hydrograph Peak/Peak Time Table
Structure Output Table
Reach Summary Table
Sub-Area Time of Concentration Details
Sub-Area Land Use and Curve Number Details
Reach Channel Rating Details
Structure Rating Details
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Other Reports
 File Display window
(report viewer)
 Input file
 WinTR-20 Printed
Page file
(tabular hydrograph)
 Error file
 Debug file
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Plotting and Viewing
Hydrographs
 Click Hydrographs
button
(Main WinTR-55 Window)
 Select
Sub-areas or Reaches
 Check desired subareas
or desired reaches
 Check storm event
 Check alternatives
 Reaches - upstream
or downstream end
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Graphics Window
 Click “Plot” on the
Output Graphics window
to plot selected
hydrographs
 Line width and color
options
 Print to printer
or
 Save bitmap image
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Summary
Demonstrated WinTR-55
Created WinTR-55 Input File
Ran WinTR-55
Viewed WinTR-55 Output
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WinTR-55 Web Site
Download latest WinTR-55 version
http://wsi.nrcs.usda.gov/products/W2Q/H&H/Tools_Models
/WinTR55.html
Update notes
WinTR-55 User Manual
WinTR-55 Support Team e-mail address
ug-orportlan-4-TR55
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Development Team
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Claudia Hoeft
Laurel Foreman
William Merkel
Helen Fox Moody
Quan D. Quan
Ralph Roberts
John McClung
Al McNeill
Jolyne Lee
Don Woodward
Jon Werner
Roger Cronshey
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NRCS, Washington DC
NRCS, Iowa
NRCS-WNTSC, Maryland
NRCS-WNTSC, Maryland
NRCS-WNTSC, Maryland
ARS, Maryland
NRCS-NWMC, Arkansas
NRCS, South Carolina
NRCS-NWCC, Oregon
NRCS-retired
NRCS-retired
NRCS-retired
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End
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USDA-NRCS