The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Integration of Global Precipitation Measurement Data Product with the

Hydrologic Engineering Center-Hydrologic Modeling System

The University of Mississippi Geoinformatics Center

Lance D. Yarbrough, PIJoel S. Kuszmaul, Co-PI

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Experiment Collaborators

• MRC–RPC team– Lance D. Yarbrough and Joel S. Kuszmaul

• Tennessee Tech– Faisal Hossain

• NASA at GSFC– Bob Adler

• SSAI at GSFC– George Huffman

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Global Precipitation Measurement (GPM)

• Launch: June 2013

• GPM will initiate the measurement of global precipitation, a key climate factor

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Hydrologic Modeling System (HEC-HMS)

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Final DSS

FIT

HEC-HMS

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

General Data Flow Diagram

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Questions to answer in RPC

• Which option is more appropriate:– an error propagation– a probabilistically downscaled?

• How much to downscale?

• Which product is more beneficial?

• What are the implications?

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Location of basins

• Upper Cumberland River, TN

• Upper Yazoo Basin, MS

• Lower Pearl River, MS

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

VIRGINIA

LeeBell

Scott

Clay

Wise

Harlan

Leslie

Hawkins

Letcher

Knox

Claiborne

Perry

Hancock Sullivan

Dickenson

Knott Pike

WashingtonGreeneUnion Grainger

Norton

Owsley

Whitley

Laurel

Legend

Rivers

State Boundaries

County Boundaries

Subbasins

Satellite Pixels

­

0 4 8 12 16Miles

KENTUCKY

TENNESSEE

Upper Cumberland River basin

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Upper Yazoo River basin

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Event Selection

0

5000

10000

15000

20000

25000

30000

35000

0 20 40 60 80 100 120 140 160 180 200

Hours from March 16, 2002, 0:00

Flo

w, c

fs

0

1

2

3

4

5

Ra

infa

ll, in

ch

es

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Earth System Models:•Army Corps of Engineers HEC-HMS model•Spatial analysis algorithms

Earth Observations:•GPM proxy data

Predictions and Measurements:•Event/Seasonal runoff for modeled basins•Point specific hydrographs•Flood water extent

Decisions Support:•HAZUS-MH (FEMA)

Benefits:•Identify water supply demands•Now-casting of real-time flooding events•Flood hazard assessment•Asset Management and flood mitigation

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Current Progress

• Upper Cumberland River– HEC-HMS calibrated– TMPA data obtained from GSFC

• Upper Yazoo River– HEC-HMS geometry validated– Dates selected

• Lower Pearl River– HEC-HMS geometry being assembled

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Schedule

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

The University of Mississippi Geoinformatics CenterNASA MRC RPC – 11 July 2007

Why these basins ?

• Each is within different climate zones as defined by the NEON project

• Each represent differing geology and topology

• Upper Cumberland River, TN– mountainous

• Upper Yazoo Basin, MS– low land interior

• Lower Pearl River, MS– coastal