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Corps Water Management Corps Water Management System System Hydrologic Engineering Center USACE Hydrologic Engineering USACE Hydrologic Engineering Center Center Davis, CA Davis, CA
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Page 1: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Corps Water Management SystemCorps Water Management SystemCorps Water Management SystemCorps Water Management System

Hydrologic Engineering Center

USACE Hydrologic Engineering CenterUSACE Hydrologic Engineering Center Davis, CADavis, CA

Page 2: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

ObjectivesObjectives

•Overview and Concept of Overview and Concept of CWMSCWMS

•Scope for ACF Basin CWMS Scope for ACF Basin CWMS DeploymentDeployment

•ACT/ACF Emergency Action ACT/ACF Emergency Action PlanPlan

Page 3: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Water Control MissionWater Control Mission

• Real-Time Decision Real-Time Decision Support for Water Support for Water ManagementManagement

• 700+ Multipurpose 700+ Multipurpose Reservoirs and Reservoirs and Flow Control Flow Control Structures, Structures, Thousands of Thousands of Miles of Levees Miles of Levees

• Expanded Expanded Corporate Web-Corporate Web-Based InformationBased Information

Page 4: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

CWMSCWMS

An integrated An integrated system of system of hardware, software, hardware, software, and communication and communication resources resources supporting Corps’ supporting Corps’ real-time water real-time water control missioncontrol mission

An integrated An integrated system of system of hardware, software, hardware, software, and communication and communication resources resources supporting Corps’ supporting Corps’ real-time water real-time water control missioncontrol mission

Page 5: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

HistoryHistoryManual data Manual data collection, storage, collection, storage, analysis, analysis, interpretation, interpretation, modeling historic modeling historic data beginsdata begins

Automated data systems, satelliteAutomated data systems, satellite broadcast of data, modeling toolsbroadcast of data, modeling tools develop, deployment of Harris develop, deployment of Harris computer systems.computer systems.

Harris systems gone, PCs, Harris systems gone, PCs, workstations take over mainframe workstations take over mainframe functions, some real-time modeling,functions, some real-time modeling,and data handling, corporate and data handling, corporate WCDS modernization plan evolves WCDS modernization plan evolves and work on modernized system and work on modernized system beginsbegins

CWMS integrated suite of CWMS integrated suite of hydrologic, operations and impact hydrologic, operations and impact analysis models available, analysis models available,

CWMS deployed CWMS deployed Corps-wide Corps-wide development of development of forecast models for forecast models for all major all major watershedswatersheds..

1975 1985 1995 2000

20092009

Page 6: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

CWMS Software Integrates the CWMS Software Integrates the Processing from Data to Water Processing from Data to Water Management DecisionsManagement Decisions

Data ProcessingData Storage

ModelingObserved Data

Water Control Management Decisions

Instructions

SERVERS

Public and CooperatorsField Office

WeatherForecast

Page 7: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

CWMS - Major Components CWMS - Major Components

• DatabaseDatabase– Stores hydromet data in Oracle DBMSStores hydromet data in Oracle DBMS– Manages retrieval and display of same Manages retrieval and display of same

• Data Acquisition (Observations)Data Acquisition (Observations)– Collects real-time data from data streamsCollects real-time data from data streams– Decodes, validates, and transforms the raw dataDecodes, validates, and transforms the raw data

• Modeling (Forecasts)Modeling (Forecasts)– Manages model configurations for watershedsManages model configurations for watersheds– Runs models for operational forecastsRuns models for operational forecasts

Page 8: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

User Control and Visualization

DB Interface

DD

Extract/Post

FSF

SHEF Decoder

Transformer Verifer

Data Manager Queue

Model Working Files

ArcInfo

GIS FIA RAS ResSim HMS

DB

Oracle

DA SHEF Data

DD Manager Web Server

CAVI Server CAVI Clients

CAVI

Process/ Alarm Status

DA FSP DD

Current Data

Model Results

MFP HFP

GIS CorpsView (ArcView)

Page 9: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Simulation Modeling

DB Interface

DD

Extract/Post

FSF

SHEF Decoder

Transformer Verifer

Data Manager Queue

Model Working Files

ArcInfo

GIS FIA RAS ResSim HMS

DB

Oracle

DA SHEF Data

DD Manager Web Server

CAVI Server CAVI Clients

CAVI

Process/ Alarm Status

DA FSP DD

Current Data

Model Results

MFP HFP

GIS CorpsView (ArcView)

Page 10: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data Collection

Data Base

Modeling

Information dissemination

DataVisualization

CWMS ComponentsCWMS Components

Page 11: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data AcquisitionData Acquisition

Collect: Collect: Static dataStatic data: physical data for : physical data for

model developmentmodel development Real-time dataReal-time data: observed stream : observed stream

flow, precipitation, temperature, flow, precipitation, temperature, water quality, gate settings, water quality, gate settings, reservoir levels, etc.reservoir levels, etc.

DecodeDecode ValidateValidate TransformTransform

Page 12: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data VisualizationData Visualization

Page 13: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Model ResultsModel Results

Tim

e of

For

ecas

tT

ime

of F

orec

ast

Page 14: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Tabular InformationTabular Information

Page 15: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data DisseminationData Dissemination

Page 16: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Real-Time Simulation Modeling for Real-Time Simulation Modeling for Decision SupportDecision Support

I see a hurricane in your future.

Page 17: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data Collection

Data Base

Modeling

Information dissemination

DataVisualization

RAS(Hydraulics)

FIA(Damages)

ResSim(Storage)

HMS(Hydrology)

Watershed Modeling

Modeling

Page 18: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

The Modeling ProcessThe Modeling Process

1) Check status & currency of real-time data

2) Select a forecast time

3) Adjust model parameters

4) Perform model computations

5) View results

6) Modify model parameters as necessary

7) Re-compute simulation

Page 19: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Precipitation AnalysisPrecipitation Analysis

• Precipitation processed on a Precipitation processed on a grid basis.grid basis.

• Observed data from NEXRAD or Observed data from NEXRAD or interpolated from gages.interpolated from gages.

• Future Precipitation Scenarios:Future Precipitation Scenarios:– NWS Quantitative Precipitation NWS Quantitative Precipitation

Forecasts (QPF)Forecasts (QPF)– Multiples of the QPFMultiples of the QPF– Manual-entry or standard Manual-entry or standard

scenarios (What if?)scenarios (What if?)• TimingTiming

• Location (watershed “zones”)Location (watershed “zones”)

Page 20: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

HEC-ResSimHEC-ResSim Reservoir Simulation Reservoir Simulation SystemSystem

Simulates reservoir regulation using Simulates reservoir regulation using inflow hydrographs & project inflow hydrographs & project characteristicscharacteristics

Page 21: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

River Hydraulics River Hydraulics HEC-RASHEC-RAS

• Analyzes river hydraulics to Analyzes river hydraulics to compute water depth, velocity, & compute water depth, velocity, & inundation boundaries inundation boundaries

• Computes water surface profiles Computes water surface profiles and stage hydrographs from HEC-and stage hydrographs from HEC-ResSim hydrographsResSim hydrographs

• Steady-flow or unsteady-flow Steady-flow or unsteady-flow analysis.analysis.

• Channel friction adjusted through Channel friction adjusted through CWMS interfaceCWMS interface

• Used in conjunction with Arc, Used in conjunction with Arc, inundation boundaries and depth inundation boundaries and depth maps are computed then viewed maps are computed then viewed with CorpsView, an extension to with CorpsView, an extension to ArcArc

0 20000 40000 60000 80000500

520

540

560

580

600

620

Bald Eagle Cr. for the WCDS Project Plan: 1) 10inforec 2) 2inforec

Main Channel Distance (ft)

Ele

vatio

n (

ft)

Legend

WS Peak Flows - 10inforec

WS Peak Flows - 2inforec

Ground

Lo

ck H

ave

n

Fis

hin

g C

k

Co

ttag

e A

rea

Be

ech

Ck

Sta

Ma

rsh

Ck

Bla

nch

ard

Page 22: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

River Profile ModelingRiver Profile Modeling

0 20000 40000 60000 80000 100000 120000 140000520

540

560

580

600

620

640

660

680

Bald Eagle Cr. for the WCDS Project Plan: Unsteady with Bridges and Dam

Main Channel Distance (ft)

Ele

va

tio

n (

ft)

Legend

WS 19Feb1999 0200

Ground

Loc Hav

Bald Eagle Cr. for the WCDS Project Plan: Unsteady with Bridges and Dam Legend

WS 19Feb1999 0200

Ground

Bank Sta

Levee

Ineff

Page 23: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Economic / Impact Economic / Impact Analysis (HEC-FIA)Analysis (HEC-FIA)

• Computes agricultural and Computes agricultural and urban damages and urban damages and project benefits by “impact project benefits by “impact area”area”

• Computes damages and Computes damages and benefits between different benefits between different scenarios, and with and scenarios, and with and without project conditionswithout project conditions

• ““Action tables” provide a Action tables” provide a list and time of actions to list and time of actions to take during an event, take during an event, based on forecasted based on forecasted stagesstages

River

Level

21

22

23

24

25

26

STA

GE

(F

T)

DAMAGES ($1000)

0 100 200 300 400 500 600

Page 24: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

CWMSCWMSModel LinkingModel Linking

• HEC-HMS computes forecasted flows HEC-HMS computes forecasted flows fromfrom

– Observed precipitation from Observed precipitation from NEXRAD and rain gagesNEXRAD and rain gages

– Future precipitation Future precipitation forecasts and scenariosforecasts and scenarios

– Observed flowObserved flow• ResSim simulates reservoir operations ResSim simulates reservoir operations

and downstream flows from HEC-HMS and downstream flows from HEC-HMS flows.flows.

• HEC-RAS computes stages and HEC-RAS computes stages and inundation areas from ResSim flows.inundation areas from ResSim flows.

• FIA computes damages and impacts FIA computes damages and impacts from HEC-RAS stages or ResSim flows.from HEC-RAS stages or ResSim flows.

• Inundation areas and depths are Inundation areas and depths are displayed in CorpsView, an extension to displayed in CorpsView, an extension to ARCARC..

Page 25: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

CWMS SummaryCWMS Summary• Comprehensive, integrated Comprehensive, integrated

system for real-time water system for real-time water control decision supportcontrol decision support

• Complete data retrieval / Complete data retrieval / verification / database verification / database systemsystem

• Full range of hydrologic / Full range of hydrologic / hydraulic modeling software hydraulic modeling software to evaluate operational to evaluate operational decisions and compare the decisions and compare the impact of various “what if?” impact of various “what if?” scenariosscenarios

• Client / Server architecture, Client / Server architecture, with full set of visualization with full set of visualization tools to evaluate data and tools to evaluate data and model resultsmodel results

Page 26: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.
Page 27: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

ACF Basin CWMS ACF Basin CWMS DeploymentDeployment• The ACF basin is selected in the SAD The ACF basin is selected in the SAD

region.region.• Funded by the U.S. Army Corps of Funded by the U.S. Army Corps of

Engineers’ Hydrologic Engineering Engineers’ Hydrologic Engineering Center (HEC)Center (HEC)

• Being conducted by WEST Consultants, Being conducted by WEST Consultants, Inc., HEC’s BPA contractorInc., HEC’s BPA contractor

• Timeline: October 2009 – September Timeline: October 2009 – September 20102010

Page 28: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-HMS rainfall-HEC-HMS rainfall-runoff simulationrunoff simulation

• For the entire For the entire watershedwatershed

• Use information Use information from existing from existing hydrologic models hydrologic models as much as possibleas much as possible

• Based on gridded Based on gridded precipitationprecipitation

• Extensive model Extensive model calibration/validatiocalibration/validationn

Page 29: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-ResSim reservoir simulationHEC-ResSim reservoir simulation

• Hourly time-stepHourly time-step

• Including all Corps’ and GPC projectsIncluding all Corps’ and GPC projects

• Convert from the daily model currently Convert from the daily model currently being developed by the SAM and HECbeing developed by the SAM and HEC

• Inflow to HEC-ResSim comes from HEC-Inflow to HEC-ResSim comes from HEC-HMS and/or NWS HMS and/or NWS

• Output from the NWS model will be Output from the NWS model will be saved as HEC-DSS files and saved as HEC-DSS files and automatically uploaded to the SAM automatically uploaded to the SAM CWMS databaseCWMS database

Page 30: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-RAS Unsteady Flow HEC-RAS Unsteady Flow SimulationSimulation

• One-dimensional unsteady flow One-dimensional unsteady flow modelmodel

• The geometry is georeferencedThe geometry is georeferenced

• Inflow to HEC-RAS comes from Inflow to HEC-RAS comes from HEC-HMS/HEC-ResSim and/or HEC-HMS/HEC-ResSim and/or NWS/USGS NWS/USGS

• Extensive model Extensive model calibration/validationcalibration/validation

Page 31: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-RAS Unsteady HEC-RAS Unsteady Flow SimulationFlow Simulation

• Three reachesThree reaches– Chattahoochee River Chattahoochee River

from Lake Lanier to from Lake Lanier to Norcross (approximately Norcross (approximately 20 miles) 20 miles)

– Chattahoochee River Chattahoochee River from West Point to from West Point to Langdale Dam Langdale Dam (approximately 7 to 9 (approximately 7 to 9 miles)miles)

– Apalachicola River from Apalachicola River from Jim Woodruff Dam to Jim Woodruff Dam to Apalachicola BayApalachicola Bay

Page 32: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-RAS HEC-RAS Unsteady Flow Unsteady Flow SimulationSimulation

• Inundation mapping Inundation mapping is not part of this is not part of this CWMS deployment CWMS deployment effort.effort.

• It can be done using It can be done using the CWMS model the CWMS model results since the results since the HEC-RAS models HEC-RAS models are georeferenced.are georeferenced.

Page 33: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• HEC-FIA Flood HEC-FIA Flood Impact AnalysisImpact Analysis

• Compute flood Compute flood damage and benefitdamage and benefit

• Two reachesTwo reaches– Chattahoochee Chattahoochee

River from Lake River from Lake Lanier to Norcross Lanier to Norcross (approximately 20 (approximately 20 miles) miles)

– Chattahoochee Chattahoochee River from West River from West Point to Langdale Point to Langdale Dam (approximately Dam (approximately 7 to 9 miles)7 to 9 miles)

Page 34: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Major Tasks Major Tasks

• CWMS CWMS IntegrationIntegration

• Link all model Link all model components components togethertogether

• Test the CWMS Test the CWMS system for system for selected events selected events

• Stress test for Stress test for real-time real-time operational operational forecastforecast

Page 35: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

ACT/ACF Emergency Action ACT/ACF Emergency Action PlanPlan

• Dam failure analysisDam failure analysis

• Inundation Mapping SupportInundation Mapping Support

• Stimulus FundedStimulus Funded

Page 36: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

PurposePurpose

• Documents actions to be taken by project Documents actions to be taken by project personnel should a distress indicator be personnel should a distress indicator be identifiedidentified

• Emergency Notification Plan which Emergency Notification Plan which identifies the notification procedures for identifies the notification procedures for rapid dissemination of emergency actionsrapid dissemination of emergency actions– Time available for corrective action is most Time available for corrective action is most

criticalcritical• Instantaneous failure – few minutes to 2 daysInstantaneous failure – few minutes to 2 days

• Time of travel of flood wave from origin to areasTime of travel of flood wave from origin to areas

Page 37: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

What’s required?– Dam Break What’s required?– Dam Break AnalysisAnalysis

• Time available for corrective action is most Time available for corrective action is most criticalcritical– Instantaneous failure – few minutes to 2 daysInstantaneous failure – few minutes to 2 days

• Time of travel of flood wave from origin to Time of travel of flood wave from origin to areas downstream areas downstream

• Inundation maps which indicate the areas Inundation maps which indicate the areas which would be flooded as a result of a which would be flooded as a result of a hypothesized dam failurehypothesized dam failure

Page 38: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

ProjectsProjects

• ACTACT– AllatoonaAllatoona– CartersCarters

• ACFACF– BufordBuford– West PointWest Point

Page 39: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

ProductsProducts

• HEC-GeoRAS and HEC-RAS models to HEC-GeoRAS and HEC-RAS models to simulate the flows from the tributary simulate the flows from the tributary areas and from the dam in a breached areas and from the dam in a breached and non-breached conditionand non-breached condition1.1. Spillway design discharge, without dam failureSpillway design discharge, without dam failure

2.2. Spillway design discharge, with dam failureSpillway design discharge, with dam failure

3.3. Dam failure at normal high pool levelDam failure at normal high pool level

4.4. Discharge at normal high pool, without dam Discharge at normal high pool, without dam failurefailure

Page 40: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

AnalysisAnalysis

• The A/E will apply the models and route the The A/E will apply the models and route the resulting flows downstream to a point where there is resulting flows downstream to a point where there is less than a 2 foot increase in stage between the less than a 2 foot increase in stage between the dam failure and non failure casesdam failure and non failure cases

• No bridge or culvert data will be used in developing No bridge or culvert data will be used in developing the HEC-RAS model. It is assumed that the effects of the HEC-RAS model. It is assumed that the effects of a dam or culvert would be minor in comparison to a dam or culvert would be minor in comparison to the magnitude of the flows resulting from dam the magnitude of the flows resulting from dam failure. failure.

• Summary tables of peak flows, stages, flood wave Summary tables of peak flows, stages, flood wave arrival time, and velocities by stationarrival time, and velocities by station

Page 41: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Data CollectionData Collection

• To perform the dam failure analyses To perform the dam failure analyses and inundation mappingand inundation mapping– Available 10m DEMs from the USGS Available 10m DEMs from the USGS

National Elevation Dataset National Elevation Dataset – Current Water Control Manuals (WCM)Current Water Control Manuals (WCM)

Page 42: Corps Water Management System Hydrologic Engineering Center USACE Hydrologic Engineering Center Davis, CA Davis, CA.

Questions?Questions?


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