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Glacier Hazard Workshop 2009 Vienna

Sergey Chernomorets, Stephen G. Evans, Dmitry Petrakov, Olga Tutubalina, Irina Seynovay , g , y

Moscow State UniversityUniversity Centre for

Engineering GeodynamicsUniversity of Waterloo

C dyFaculty of Geography

Russia

Engineering Geodynamics and Monitoring

Russia

Canada

Russia

Bl k SCaspian Sea

GeorgiaBlack Sea Sea

AzerbaijanArmenia

Azerbaijan

S r200

1

Turkey

Iran Terr

a M

OD

IS2

Nov

embe

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“Kazbek blockages”: the beginning of glacial hazard research in the Caucasus (1860s)

“Kazbek blockages”: the beginning of glacial hazard research in the Caucasus (1860s)g g g ( )

BoleslavStatkowsky

g g g ( )

BoleslavStatkowskyStatkowsky,

a railway engineer andthe first expert

on glacial hazards

Statkowsky,a railway engineer and

the first experton glacial hazards

and debris flowsin the Russian Empire.

and debris flowsin the Russian Empire.

Glacial debris flows: Glacial debris flows: hazard assessmenthazard assessment

sC

hern

omor

ets

tor:

Ser

gey

Cap

itano

v.. E

dit

Map

: Artu

r Ka

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Debris flow disaster:Gerkhozhan-Su River, 2000

erno

mor

ets

o: S

erge

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Debris flow initiation zone just after the event, July 2000

dr A

leyn

ikov

hoto

: Ale

ksan

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Damaged area: mining town of Tyrnyauz

Protective dam destroyed in 1999

ynov

aho

to: I

rina

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: il N

ikiti

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Tyrnyauz, 2000 Pho

toM

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Changes 1 year after the disaster

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Tyrnyauz: risk zoningTyrnyauz: risk zoning

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Para

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Map

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Map

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Monitoring network: repeat photography, geodetic measurements, temperature loggers etc.gg

tin: M

ikha

il N

ikit

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:H

elic

GLOFs: prediction experienceGLOFs: prediction experienceGLOFs: prediction experienceGLOFs: prediction experience

Database of glacial lakes: 71 lake in the Central Caucasus

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erge

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Sha

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inM

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NE slope of Mt. Elbrus

Newlakes

om IS

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ust 2

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Change of glacial lakes north of Mt. Elbrus

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Year Year 19571957 19971997 20012001 20052005

Sate

Map

Lake area, 10Lake area, 1033 mm22 40 40 5757 235235 254254

28 July 2006

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17 August 200626 July 200617 August 200626 July 2006er

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17 August 200617 August 2006er

nom

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so:

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Pho

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17 August 2006er

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Photo: Sergey Chernomorets

Pho

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17 August 2006

ko: I

van

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Map

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2020

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29 July 2006er

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Ч С СЧ С Сo: S

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Черноморец С.С., Черноморец С.С., Петраков Д.А., Сейнова Петраков Д.А., Сейнова И.Б., Тутубалина О.В. И.Б., Тутубалина О.В. 2121

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19 August 2006er

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so:

Ser

gey

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Pho

to

Kidy

aeva

Phot

o: V

era

K

July 2008Volume: 800 000 m3 Volume: >1,000.000 m3

P

July 2007Volume: 800,000 m Volume: 1,000.000 m

Mitigation: Mitigation: outburst hazard of Lakeoutburst hazard of Lake BahskaraBahskaraoutburst hazard of Lake outburst hazard of Lake BahskaraBahskara

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: Vya

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120

160

03

80

120

103 ; F,

м2 *1

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3 *1

dr A

leyn

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2001 2002 2003 2004 2005 2006yeararea volume

Lake Lapa. Area and volume in 2001-2006

aps:

Ale

ksan

d

Changes of Lake Lapa and Lake Mizinchik 800

Ma

Changes of Lake Lapa and Lake Mizinchik as recorded by repeated geodetic surveys. y = 7.9868e0.0515x

R2 = 0.9294400

600

800cu

b.m

0

200

0 20 40 60 80 100

c

Lake Lapa. Relationshipsbetween area and volume 0 20 40 60 80 100

sq.m

between area and volume in 2001-2006Graph: Inna Krylenko

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Warning system at the Lake Bashkara

Water level automatic sensorData loggerData loggerRadiomodemTransmitterReceiverSiren/ buzzer

nom

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kov

Ser

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Che

r

Dm

irty

Pet

ra

Pho

to:

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Glacier disasters around Glacier disasters around Mt. Kazbek, Russia/GeorgiaMt. Kazbek, Russia/Georgia

Mt. Kazbek: transboudary locationTa

rbee

va

hoto

; A

nna

TP

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02.

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Map of glacial and debris flow hazardKolka Glacier Disaster,

North Ossetia, 20 September 2002North Ossetia, 20 September 2002

Wiped out the New Karmadon villageD t dDestroyed infrastructureTourist facilities ruined

nom

oret

s 125 victims Costs 17 M Euro

130 140 M 3

Origin – remains of Kolka Glacier

Ser

gey

Che

r ~130-140 M m3transported material, including ~110 M m3 ice-debris dam

The largest (by volume) recorded glacier event

Map

:

in the Karmadon depression

gin the world

Kolka: precatastrophic rock and ice avalanches, August-September 2002

ry P

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Dm

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57 95 M+

20.0

9.02

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36 8

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8

9

ands

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0 1 км

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Inte

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Modelling: DAN-3Dg

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Mod

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Processes in the Kolka glacier repository: one year after the disaster

I. Features unchanged in the 2002 disaster: 1.Rock ridges. 2. Summits. 3.ridges. 2. Summits. 3. Rocks and slopes with screes. 4. Denudation ravines on slopes. 5.Screes. 6. Moraines. 7. Morainic ridges 8 GlaciersMorainic ridges. 8. Glaciers and snow fields. II. Features linked to the 2002 disaster: 9. Boundary of the disaster area. А. Glacial erosion forms: 10. Area from where the glacier ice was removed. 11. Surfaces with glacial striation and polish,

Map compiled by S.S. Chernomorets, O.V Tutubalina, D.A. Petrakov on the basis of field

glacial striation and polish, fluting. 12. Ice break-up lines. B. Accumulation forms: 13. Masses of displaced ice. 14. “hummocky moraine” 15 D.A. Petrakov on the basis of field

data and IRS LISS/Pan satellite image of 11.07.2003

III. Changes after the disaster: 17. Active rock falls and screes. 18. Ice falls. 19. Renewed ravines with active rock falls 20 Renewed screes 21 Debris flows of high frequency 22

hummocky moraine 15. Ice blocks pressed into slope depressions and ravines (on 17 August 2003). 16. Displaced

ravines with active rock falls 20. Renewed screes. 21. Debris flows of high frequency. 22. Debris flow deposits. 23. River channels with traces of debris flows. 24. Thermokarst и degradation of “hummocky moraine”. 25. Landslides. 26. Temporary lake in October 2002. 27.Temporary lakes in July 2003.

morainic material with ice inclusions.

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Карта: составлена И.В. Крыленко, И.Н. КрыленкоS

urve

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y2003

Informing the population of vulnerable areasna om

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Beware: Kazbek glaciers!Popular booklet in Russian

Sergey Chernomoretsdevdorak@gmail.com

Thank you for your attention!Thank you for your attention!

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