Coupled Model ExerciseCoupled Model Exercise

Exercise 3Exercise 3

George H. Leavesley, Research Hydrologist, USGS, Denver, CO

TOOL BOX MODELING TOOL BOX MODELING VIEWSVIEWS

Research Model Developer Research Model Developer Complex Complex DetailDetail

Application Model DeveloperApplication Model Developer Model UserModel User Resource ManagerResource Manager Policy Maker Policy Maker Condensed Condensed

AnalysisAnalysis

LEVELS OF MODULAR LEVELS OF MODULAR DESIGNDESIGN

PROCESSPROCESS MODELMODEL FULLY COUPLED MODELSFULLY COUPLED MODELS LOOSELY COUPLED MODELSLOOSELY COUPLED MODELS RESOURCE MANAGEMENT RESOURCE MANAGEMENT

DECISION SUPPORT SYSTEMSDECISION SUPPORT SYSTEMS ANALYSIS AND SUPPORT ANALYSIS AND SUPPORT

TOOLSTOOLS

Single Purpose

Multi-objective, Complex

CRITERIA AND RULES CRITERIA AND RULES FOR GOOD MODULE FOR GOOD MODULE

DESIGNDESIGN

relate directly to real world relate directly to real world components or processescomponents or processes

have input and output variables have input and output variables that are measurable valuesthat are measurable values

communicate solely via these communicate solely via these input and output variablesinput and output variables

Modules should

Reynolds J.F., and Acock, B., 1997, Modularity and genericness in plant and ecosystem models: Ecological Modeling 94, p 7-16

Model Building Tool - XMBUILD

LOOSELEY COUPLED LOOSELEY COUPLED MODELSMODELS

Watershed Model

Hydraulics Model

Database

Fish Model

Data Management Interface (DMI)

MMS Model

Off-the-shelf Model

LOOSELEY COUPLED LOOSELEY COUPLED MODELSMODELS

Watershed Model

Hydraulics Model

Fish Model

PRMSPRMS

Habitat Habitat Suitability Suitability

IndexIndex

Channel Geometry Analysis Program

(CGAP)

OBJECT USER INTEFACE (OUI)

Other Model Integration Other Model Integration ApproachesApproaches

U.S.U.S. BASINS (EPA)BASINS (EPA) FRAMES (DOE, NRC, DOD, EPA)FRAMES (DOE, NRC, DOD, EPA) DIAS (DOE)DIAS (DOE) XMS (WMS, GMS, SMS, … - EMS XMS (WMS, GMS, SMS, … - EMS

Inc.)Inc.) OMS (USDA)OMS (USDA)

InternationalInternational HarmonIT (Europe)HarmonIT (Europe) Catchment Modeling Toolkit Catchment Modeling Toolkit

(Australia)(Australia)

Exercise 3 ProblemsExercise 3 Problems

1.0 MMS_PET1.0 MMS_PET Process comparisonProcess comparison

2.0 MMS PRMS Daily Mode2.0 MMS PRMS Daily Mode Watershed model evaluationWatershed model evaluation

3.0 MMS PRMS-HIS3.0 MMS PRMS-HIS Coupled watershed-hydraulics-habitat Coupled watershed-hydraulics-habitat

modelmodel

Potential Potential Evapotranspiration (potet)Evapotranspiration (potet)

- Hamon

- Jensen - Haise

potet(HRU) = hamon_coef(mo) * dyl2 * vdsat

potet(HRU) = jh_coef(mo) * --------------------------- -- (tavf(HRU) - jh_coef_hru) * rin

PRMSPRMS

HRUs

LOOSELEY COUPLED LOOSELEY COUPLED MODELSMODELS

Watershed Model

Hydraulics Model

Fish Model

PRMSPRMS

Habitat Habitat Suitability Suitability

IndexIndex

Channel Geometry Analysis Program

(CGAP)

Channel Cross-Channel Cross-sectionsection

Channel Channel CharacteristicsCharacteristics

Q = A*VQ = A*V

V = 1.486/n * RV = 1.486/n * R2/3 * * SS1/2

n is Mannings n n is Mannings n R is R is hydraulic radius hydraulic radius S is channel S is channel slope slope

Basic Channel Basic Channel HydraulicsHydraulics

Velocity HSI - Brown Trout

00.20.40.6

0.81

1.2

0 1 2 3 4

velocity m/s

HS

I

Adult

Juvenile

Fingerling

Spawning

Habitat Suitability Index – Habitat Suitability Index – VelocityVelocity

Depth HSI - Brown Trout

00.20.40.6

0.81

1.2

0 1 2 3

Depth m

HS

I

Adult

Juvenile

Fingerling

Spawning

Habitat Suitability Index Habitat Suitability Index - Depth- Depth

WUA = ( velocity_hsi *

depth_hsi * x-sect_width * 100.)

Weighted Usable Weighted Usable Area (WSU)Area (WSU)

MORE INFORMATIONMORE INFORMATION

http://wwwbrr.cr.usgs.gov/mmshttp://wwwbrr.cr.usgs.gov/mms

http://wwwbrr.cr.usgs.gov/http://wwwbrr.cr.usgs.gov/weaselweasel

http://wwwbrr.cr.usgs.gov/http://wwwbrr.cr.usgs.gov/warsmpwarsmp

http://oms.ars.usda.govhttp://oms.ars.usda.gov

http://www.iscmem.orghttp://www.iscmem.org