Hazus Analysis

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Significance of the Pakistan

Floods of 2010 to America

Could it happen here?

Michele Seib, CFM

Zachary Baccala, CFM

1

Index of Analysis

Background of floods along Indus River

Hydrology of the Pakistan flood of 2010

Similarities in U.S. Watersheds

Hazus Analysis of the Missouri River

Impact Study – Could a similar catastrophe happen here?

2

Background – Indus River Facts

• Primary source of agricultural water supply

• Provides 45% of electricity for Pakistan

• Majority of population live in the watershed http://media-cdn.tripadvisor.com/media/photos/01/24/f8/5e/indus-river-and-fields.jpg obtained 5/15/2011 http://1.bp.blogspot.com/-

2YKQLSdquC0/TaGEbBL0NfI/AAAAAAAAEbk/RUTiBuswuSU/s1600/Indus

+River+Pakistan+by+all+about+pakistran+%252819%2529.jpg obtained

5/15/2011

3

Background – 2010 Flood Facts

According to the United Nations OCHA,

• 17.2 million people directly affected

• 1,539 lives claimed

• 1.2 million homes damaged or destroyed

• 3.2 million hectares of farmland destroyed

• Damaged 7,820 schools

• Massive infrastructure damage

Photo of flooding in

Muzaffargarh

(AFP/Getty Images)

4

Background – Planning Factors

Location of

Development

Lack of maintenance

Lack of storage

Flood warning system

FLOODING http://www.floodrelief.us/wpcontent/uploads/2010/08/pakistan-flood-2009-8-

17-12-41-15.jpg obtained 05/15/2011

5

Background – Flood Distribution based on: http://www.spiegel.de/panorama/0,1518,711885,00.html

, Google Earth and Times Atlas, flooding zones as of 2010-8-26

Hydrology – Indus River

• Precipitation and temperature primary contributors

• Links Himalayans and groundwater from Indus alluvium fans

• Large number of dams and barrages

• Total Drainage area = 450,000 square miles

7

Hydrology – Flood Disaster Factors

Duration of monsoon season

Lack of maintenance

Higher than normal precipitation Design

Criteria of structures http://www.inmysense.com/wpcontent/uploads/2010/11/flood-pakistan.jpg

8

Hydrology – Indus River

Tarbela

Kalabaugh

Chashma

Guddu

Kotri

Taunsa

Sukkur http://ancien.riob.org/ag2000/pakistan.htm

9

Hydrology – Historical Peaks

Site

Tarbela

Kalabagh

Design cfs MaximumQ cfs

1,500,000

950,000

832,000

937,453

Date

July 30 2010

July 30 2010

2010 Q cfs

833,000

937,453

Chashma

Taunsa

950,000

1,100,000

1,038,873

959,991

Guddu

Sukkur

1,200,000

1,500,000

1,199,672

1,166,574

Kotri 875,000 980,329

Data obtain from the Pakistan Meteorology Department

August 1 2010

August 2 2010

August 15 1976

August 15 1986

August 14 1986

1,038,873

959,991

1,148,738

1,130,995

964,897

10

Hydrology – Study Locations

Tarbela

65,000 sq miles

833,000 cfs

Taunsa

180,000 sq miles

959,991 cfs

Guddu

293,300 sq miles

1,130,000 cfs

11

Similarities – US Watersheds

Missouri River Basin

• Average discharge 86,340 cfs

• 529,350 square miles

• Sourced by several springs http://www.nwd-mr.usace.army.mil/rcc/images/mrr_map_1.jpg

12

Similarities – US Watersheds

Fort Peck Dam, MT Sioux City, IA

Bismark, ND

Hermann, MO

13

Similarities – Gage Pairs

Tarbela

65,000 sq miles

833,000 cfs

Fort Peck Dam Montana

57,566 sq miles

Q100 = 45,620 cfs

Q500= 58,770 cfs

Historical Peak= 51,000 cfs (1946)

Taunsa

180,000 sq miles

959,991 cfs

Bismark North Dakota

186,400 sq miles

Q100 = 325,200 cfs

Q500=548,500 cfs

Historical Peak= 500,000 cfs (1952)

Guddu

293,300 sq miles

1,130,000cfs

Sioux City Iowa

314,600 sq miles

Q100 = 445,600 cfs

Q500=571,100 cfs

Historical Peak= 441,000 cfs (1952)

14

Similarities – Gage Pair

Kotri

*450,000 sq miles

964,000 cfs

Hermann Missouri

573,566 sq miles

Q100 = 703,900 cfs

Q500= 862,100 cfs

Historical Peak= 750,000 cfs (1993)

15

Hydrologically speaking, could an event happen along the Missouri River?

16

Hazus Modelled Losses

17

Hazus

• Hazus MR5

• DEMs from USGS Seamless

• DEMs for Canada from SRTM 90mtr data

• Resampled to 30mtr

• 20 sq mile drainage area used for stream network creation

• Single Discharge Methodology

• Section 1: 833,000

• Section 2: 959,991

• Section 3: 1,140,000

18

Hazus – Selected Communities

• Bismarck, North Dakota

• 1952 Floods

• 27.9 feet, 200 homes destroyed

• 300 head of cattle

• Modeled Flood (Section 2)

• 31 feet

• 7,124 homes impacted

• 3,788 substantially damage

• $1,232,086,000 Total Loss

• Mandan, ND also heavily impacted

19

Hazus – Selected Communities

• Sioux City, Iowa

• 1952 Floods

• 24.3 feet

• $3,264,000 in damages

• Modeled Flood (Section 3)

• 33 feet

• 5,240 homes impacted

• 3,246 substantially damage

• $1,694,734,000 Total Loss

• Dakota County, NE also heavily impacted

20

Hazus – Selected Communities

• Omaha, Nebraska

• 1952 Flood

• 30.25 feet

• $445,018,700 in damages

• 414,000 cfs

• 5 miles wide

• Altered course of river

• Modeled Flood (Section 3)

• 33 feet

• 9,463 homes impacted

• 7,665 substantially damage

• $2,742,164,000 Total Loss

• Almost 7 miles wide

• 1,140,000 cfs

21

Hazus Agricultural Analysis

• Parameter and Losses

• Agriculture Parameter: May 1 st

• Agricultural Losses Totaling $352,450,000

• Majority Corn, Soybeans, Wheat and Oats

$45 927 074

$42 089 290

$45 489 204

$6 464 674

Corn

Soybeans

Wheat

Oats

22

• General Building Stock

• $7,070,296,000 Total Losses

• Shelters

• Displaced Population: 106,845

• Short Term Needs: 93,088

• Schools

• 59 schools

• $216,594,290 Building Damage

Hazus

50

45

40

35

30

25

20

15

10

5

0

Nebraska

Building Loss Ratio

MT Iowa South Dakota

23

Other Impacts

• Transportation Systems

• Airports

• 4 large airports, including Eppley Airfield in Omaha,

Nebraska and Sioux Gateway Airport (Colonel Bud Day

Field) in Sioux City, Iowa

• Roads

• Rails

• 235 Major Highway segments

• 32 of Highway crossings

• 1,085 miles inundated

• 8 rail crossings

24

Environmental Hazards

• Over 7500 Public Water Source wells

• TRI Sites

• 173 Sites

• Agricultural, Fuel Depots,

Industrial chemicals

• Waste Water Treatment Facilities

• Over 40

• 16 Classified as Major

25

Environmental Hazards

• Over 7500 Public Water Source wells

• TRI Sites

• 173 Sites

• Agricultural, Fuel Depots,

Industrial chemicals

• Waste Water Treatment Facilities

• Over 40

• 16 Classified as Major

26

Could such an event happen in the US?

• From an engineering perspective

• Yes, but only at the mouth

• From a economic perspective

• Relief Aid

• Income/Educational differences

• Government Organizations

• From a quality of life perspective

27

Questions

• Michele Seib: michele.seib@atkinsglobal.com

• Zachary Baccala: zachary.baccala@atkinsglobal.com

28

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