Database - United Nations in Bangladesh
Database - United Nations in Bangladesh
Database - United Nations in Bangladesh
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Climate 179<br />
Table 10.2.5 Changes <strong>in</strong> Temperature, Precipitation and Evaporation<br />
Year<br />
Average Temperature Average Precipitation Changes <strong>in</strong><br />
Temperature Increase 1 Precipitation Increase 2 Evaporation 3<br />
W M Ave W M Ave W M Ave W M Ave W M Ave<br />
°C °C mm/month mm/month<br />
Base<br />
1990<br />
19.9 28.7 25.7 0.0 0.0 0.0 12 418 179 0 0 0 0.6 14.6 83.7<br />
2030 21.4 29.4 27.0 1.3 0.7 1.3 18 465 189 +6 47 10 0.9 15.8 83.9<br />
2075 22.0 30.4 28.3 2.1 1.7 2.6 00 530 207 -12 112 28 Inf 135 87.9<br />
Source : Huq et. at. (1999)<br />
Notes<br />
: (1) W stands for witner, M stands for monsoon, Ave stands for average, and Inf stands for <strong>in</strong>f<strong>in</strong>ity.<br />
(2) Estimated values obta<strong>in</strong>ed by correlat<strong>in</strong>g model output data with the observed data.<br />
(3) Estimated based on model output data regard<strong>in</strong>g rate of temperature change.<br />
(4) Estimated us<strong>in</strong>g Langs Index and expressed <strong>in</strong> terms of Aridity Index.<br />
Table 10.2.6 The Fluctuations of Values of Climatic Parameters Considered by Huq et. al. (1999) with Respect to their<br />
Values under Base-year (1990) Situation<br />
Parameter<br />
2030 2075<br />
W<strong>in</strong>ter Monsoon W<strong>in</strong>ter Monsoon<br />
Temperature (°C) 2 0.65 3 1.5<br />
Evaporation (%) 10 2 16 5<br />
Precipitation (%) -3 11 -37 28<br />
Discharge (%) -5 20 -67 51<br />
Watershed development (%) 6 100<br />
Sea level rise (cm) 30 70<br />
Source: Huq et. al. (1999)<br />
10.3 Natural Disaster<br />
Table 10.3.1 Chronology of Major Cyclonic Storms and Tidal Surges <strong>in</strong> <strong>Bangladesh</strong><br />
Year of Month and Date Affected<br />
Occurrence of Occurrence Area<br />
Nature of the Phenomenon<br />
Approximate Loss/Damage<br />
1797 May-June Chittagong Most severe Every hut levelled and 2 vessels<br />
sunk <strong>in</strong> Chittagong port<br />
1822 May Barisal Most severe 40,000 people killed and 100,000<br />
cattle lost<br />
1876 October Meghna Most severe storm wave (10-45 feet) A great number of people killed and<br />
estuary<br />
enormous property lost by tidal bore<br />
1897 October Chittagong Hurricane reached maximum 14,000 people were killed and another<br />
<strong>in</strong>tensity with series of storm waves 18,000 died <strong>in</strong> subsequent epidemics<br />
1960 Oct. 9-10 Eastern Severe cyclonic storm 125 miles per 3,000 people reported killed<br />
Meghna hour, maximum storm wave 10 feet<br />
1960 Oct. 30-31 Chittagong Severe cyclonic storm 130 miles per 70% build<strong>in</strong>gs <strong>in</strong> Hatiya blown off, 2 large<br />
hour, maximum storm wave 20 feet ocean l<strong>in</strong>ers capsized <strong>in</strong> Karnaphuly river<br />
and 8149 people killed<br />
[Contd.]