“use of space based technologies to mitigate sufferings of ... · bhola cyclone track, 1970 april...
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“Use of space based technologies to mitigate
sufferings of people in Bangladesh in the
event of Disaster due to global climate change
and land degradation.”
SYED NAZMUL HUDA
BANGLADESH
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IntroductionØ Bangladesh is a highly disaster prone country.
Ø Its geographical location is unique due to the great Himalayan in the
north, the mighty Bay of Bengal in the south and the conical configuration of
its coastal region.
Ø Due to this geographical location Bangladesh faces Tropical cyclones and
associated storm surges, nor’westers, tornadoes, floods, droughts,
earthquakes, Tsunami, heavy rainfalls and land slides.
Ø Enormous losses of lives and damages to properties are caused every year
due to these natural disasters.
Ø As a result flow of sustainable socio-economic development of Bangladesh
are hindered almost every year.
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Type of Land Degradation
• Little Degradation
• Medium Degradation
• Extreme Degradation
• Absolute Degradation
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Impacts of Global Warming in
Bangladesh
• Climate change
• Rise in sea level
• Changes in pattern of distribution and
density of population
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Monthly Variation of Tropical Cyclone over Bay of Bengal and
Bangladesh during 1974 to 2003
0
5
10
15
20
25
30
35
JA
N
FE
B
MA
R
AP
R
MA
Y
JU
N
JU
L
AU
G
SE
P
OC
T
NO
V
DE
C
Month
Nu
mb
er
BOB
Bangladesh
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Bhola cyclone Track, 1970 April 29, 1991 Track
Bangladesh Cyclone, 1991• Formed: April 22, 1991
• Dissipated: April 30, 1991
• Highest winds (1 min sustained): 225 KPH
• Lowest Pressure: 898 hPa
• Fatalities: 138, 000
• Damage: 1.5 billion USD
• Affected areas: Bangladesh
Bhola Cyclone, 1970• Formed: November 7, 1970
• Dissipated: November 13, 1970
• Highest Winds (10 min sustained):185 KPH
• Highest winds (1 min sustained): 222 KPH
• Lowest Pressure: 966 hPa
• Fatalities: 300,000-500,000
• Damage: 86.4 Million USD
• Affected areas: India & East Pakistan
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SIDR (15 Nov 2008)A Devastating Severe Cyclonic Storm
with a core of Hurricane Winds
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Causalities in Cyclone SIDR in Bangladesh
1 Total Death 3,406
2 People missed 871
3 Family affected 1,928,265
4 People affected 8,545,470
5 Houses damaged 1,449,157
6 Crop damaged 2,077,226
7 Trees destroyed 4,065,316
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Rescuers employed the strength of an elephant to help remove a stranded
bus and a toppled tree in efforts to clear a road in Barisal, Bangladesh
yesterday. Tropical Cyclone SIDR slammed into Bangladesh's coast leveling
homes and forcing the evacuation of 650,000 villagers before heading
inland, officials said. (Pavel Rahman/Associated Press)
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AILA (25 May 2009)A Devastating Severe Cyclonic Storm with a core of Hurricane Winds took
life of 190 people
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23,09UTC
23,21UTC
24,00UTC
24,06UTC
24,12UTC
24,18UTC
25,00UTC
25,03UTC
25,06UTC
25,12UTC
D
D
D
DD
CS
CS
CS
CS
CS
Observed Track of
Cyclonic Storm
“AILA”_BMD
Observed Track of
Cyclonic Storm
“AILA”_IMD
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Recorded wind speed in different observatories of BMD during
the passage of Cyclone ‘Aila’
Station Date Time (UTC) Wind Speed (km/hr) & Direction
Storm Surge Ht.
Khepupara 25-05-09 0425 92 kph , SE’ly
Khulna 25-05-09 0730-0930 74 Kph, E’ly
Kutubdia 25-05-09 1110 46-56 Kph , SE’ly
Barisal 25-05-09 0730 60 Kph, E’ly
Patuakhali 25-05-09 0600-0900 46-56 Kms ,
Chittagong 25-05-09 1015 62 Kph , S/SE’ly
Cox’s Bazar 26-05-09 2045 43 Kph , S/SE’ly
Hatiya 25-05-09 1300-1330 59 Kph , S/SE’ly
M. Court 25-05-09 0900 37 Kph, E’ly
Rangpur 25-05-09 65 Kph, E/SE’ly
Sayedpur 25-05-09 1710-1718 65 Kph,
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4.0 feet
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4.5 feet
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Conclusion
• Bangladesh is trying its level best to cope up
with the natural disaster with the limited space
based technology and resources
• The developed countries that are causing the
global warming should extend their hand and
provide fund so that Bangladesh can combat
natural disaster by developing its space based
technologies that would mitigate the sufferings
of the poor people after disaster.
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