WMS HMS Tutorial English

8/11/2019 WMS HMS Tutorial English

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The following is a step by step tutorial to create a watershed in WMS

and prepare it for use in HMS:

1.1 Useful Button Icons in WMS

-- Drainage Module -- View Previous

-- Hydrological Module -- Frame

-- Create Outlet Point -- Select feature point/node

-- oom

1.2 Reading the DEM/Delineating the Watershed

!" Download t#e appropriate Digital $levations Models %D$Ms& from t#einternet"

'ote( )#en you download a D$M from online* t#ree files will +e

downloaded( a file type ,"+il* ,"+lw* and ,"#dr" .t is important t#at t#eset#ree file #ave t#e same name" )MS #as a #ard time recogniing t#e given

names so it will +e useful rename eac# file"


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0" Open t#e D$Ms into )MS" 1o do t#is(

2.1. Clic2 FileOpen

2.2. Open t#e D$M wit# file type ,"#dr

'O1$( .f you #ave one t#an one D$M to open* clic2 t#e 3dd +utton in

t#eImporting NED BIL Filedialog +o4"

2.3. Clic2 O5"

2.4. )#en as2ed if you want to convert coordinates* clic2 6$S"2.5. .n t#e Coordinate Conversiondialog* select t#e following parameters on

t#e left %Convert From& side( C#ange t#e Horiontal system to7eograp#ic '3D 89

2.6. C#ange vertical units to meters.

2.. Clic2 t#eEdit pro!e"t "oordinate s#stemtoggle +o4" Select t#e followingparameters on t#e rig#t %Convert 1o:& side(

2.$. C#ange t#e Horiontal system to UTM NAD 83.2.%. C#ange t#e Horiontal units to meters.2.1&. Ma2e sure you #ave t#e correct UTMone"

2.11. C#ange t#e vertical units to meters"

2.12. Clic2 O5"

9" Compute 1OP3 Flow data" 1o do t#is(

3.1. Ma2e sure t#e drainage coverage is active in t#e pro;ect manager"

3.2. C#ange to t#e Drainage Module"3.3. Clic2DEMCompute TOPAZ Flow Data

3.4. Clic2 O5 on t#e '()*+ ,-n (ptionsdialog"


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3.5. C#ange " .n t#e Description( field you can enter your name


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minute intervals" 6ou can c#oose t#e duration and intervals for w#ic# t#e

simulation runs"

!"B" Select t#e appropriate #ours

!"" C#ange t#e 1ime interval to t#e desired interval!"8" Select t#e " $nter a desired description in t#e description +o4"

Displaying and S#owing options allows you to see only t#ose varia+les for w#ic#

you wis# to enter data" For e4ample in t#is case toggling on t#eLoss ,ate

0etodallows you to pic2 w#ic# met#od you want to" 6ou t#en toggle t#e

display for t#e different parameters associated wit# a given met#odology from t#es#ow column"

1#e HMS-Properties window is versatile in t#at it allows you to see properties forall of selected +asins* ;unctions* reac#es* reservoirs* etc"

B" 1oggle on t#e Display of t#eLoss ,ate 0etod option

" 1oggle t#e 0*from t#e S#ow column in t#e Display options window


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8" SM3 parameters are defined using SM3 units in )MS" 1o create a new SM3

unit* select t#e ,Define +utton under ,Define SM3 nit"

" .n t#e Gand se Mapping dialog* turn OFF ,SCS C'As and turn O' ,SM3 nitin t#eDispla# parameterssection"

!E" Select ,3dd landuse .D to list"!!" $nter t#e correct values for eac# parameter +elow* for t#e SM3 unit you #ave

added(

SMA Unit Name:

SMA anop! Storage apacit!:

SMA S"r#ace Storage apacit!:

SMA S"r#ace Soil $n#iltration Ma% &ate:

SMA Soil 'ro#ile Storage apacit!:

SMA Soil 'ro#ile Tension (one apacit!:

SMA Soil 'ro#ile 'ercolation Ma% &ate:

SMA )ro"nd*ater + Storage apacit!:

SMA )ro"nd*ater + 'ercolation Ma% &ate:

SMA )ro"nd*ater + Storage oe##icient:

SMA )ro"nd*ater , Storage apacit!:

SMA )ro"nd*ater , 'ercolation Ma% &ate:

SMA )ro"nd*ater , Storage oe##icient:

!0" Select t#e*ppl#+utton"

!9" $nter t#e correct values for eac# parameter +elow for t#e SM3 met#od(

SMA Unit:

- $mperio"s:

- o# anop! apacit!:- o# S"r#ace apacit!:

- o# Soil apacit!:

- o# )ro"nd*ater + apacit!:

- o# )ro"nd*ater , apacit!:

!=" .n t#e Displa# options section of t#e HMS Properties dialog* turn on t#e

'ransorm+o4 on and t#en turn t#e Clar+o4 on" 1urn on t#e Base Flo+o4and turn onLinear ,eservoir"

!>" .n t#e)ropertiesportion of t#e/0 )ropertiesdialog set t#e 'ransorm 0etod

to Clar" Set t#eBaselo 0etodtoLinear ,eservoir"

!B" $nter t#e correct values for eac# parameter +elow into t#e/0 )ropertiesdialog(Time o# oncentration:

Storage oe##icient:

)ro"nd*ater + Storage oe##icient:

)ro"nd*ater + N"m/er o# &eseroirs:

)ro"nd*ater , Storage oe##icient:

)ro"nd*ater , N"m/er o# &eseroirs:


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!" Select (on t#e/0 )ropertiesdialog"

6ou now #ave all of t#e +asin parameters to run a long-term analysis" 6ou will need to

go to t#e H$C-HMS program to finis# entering meteorologic data and to run andcali+rate your HMS simulation"

1.5 Exporting Simulation to HEC-HMS

1o run your HMS pro;ect* you will need to e4port t#e data you #ave defined in )MS to

HMS" 1#is section will guide you t#roug# t#e process of doing t#is"

!" SelectHEC-HMS | Save HMS File

0" $nter a desired name for t#e name for t#e HMS file* note t#e directory you are

saving t#e file to* and select Save"

9" Start up t#e H$C-HMS program" Perform t#e following commands in H$C-HMS

=" Select File | Open

>"


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1.7 Entering Evapotranspiration data into HEC-HMS

1o run a long-term #ydrologic analysis in H$C-H$M* evapotranspiration data needs to+e inputted" 1#is section will guide you t#roug# t#e process of doing t#is"

!" $4pand t#e Meteorological Modelstree

0" Clic2 on your waters#ed name

9" nder t#e0eteorologi"al 0odelta+ c#oose Mont6l! Aerage

in t#e $vapotranspiration drop down menu"

=" $4pand t#e tree t#at #as your waters#ed name under t#e

Meteorological Modelstree"

>" Clic2 on0ontl# *verage

B" nder t#e $vapotranspiration ta+* input t#e correct

eapotranspiration ratesand pan coe##icients"

1.8 Running the HEC-HMS Simulation

'ow t#at you #ave e4ported your model and defined your meteorologic model* you canrun t#e H$C-HMS simulation" 1o do t#is* perform t#e following steps(

+. $4pand t#e Basin Modelstree and clic2 on your +asin name" 1#is will allow you

to view your waters#ed"

,. Clic2 omp"tereate Sim"lation &"n

3. Clic2 'e4t

0. Clic2 'e4t

1. Clic2 'e4t

2. Clic2 Finis#

. Clic2 omp"teSelect &"nand t#en select t#e correct run

8. Clic2 omp"teomp"te &"n

4. Clic2 Close wit# computing reac#es !EEI


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1.9 Viewing Results in HEC-HMS

1#is section will s#ow you #ow to view results in H$C-HMS

!" Clic2 on t#e &es"ltsta+

0" $4pand t#e Sim"lation &"nstree9" C#oose t#e Jun you want to see

=" Clic2 on t#e name of your waters#ed

>" 'ow c#oose t#e results you want to view"

You have now successfully run a long term simulation in HE!HMS andviewed the results.

Documents

WMS HMS Tutorial English