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East Kalimantan Environmentally Sustainable Development Strategy

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98<br />

Exhibit 65<br />

Exhibit 66<br />

IPCC GCMs predict 0.3-0.6 °C temperature increase and<br />

-4.6-4.0 mm rainfall change per month in 2030<br />

2030 vs. 2010 forecast<br />

B1<br />

A1B<br />

A2<br />

Emission scenario description<br />

Global environmentally sustainable world<br />

▪ Change toward a service and information economy<br />

▪ Population will reach 9 bn in 2050 and then decline<br />

▪ Reduction in material intensity and introduction<br />

of clean and resource-efficient technologies<br />

▪ Global solutions to economic, social, and<br />

environmental stability<br />

Global, rapid economic growth world relying on all<br />

energy sources<br />

▪ Rapid economic growth<br />

▪ Population will reach 9 bn in 2050 and then decline<br />

▪ Quick spread of new and efficient technologies<br />

▪ World income and way of life will converge between<br />

regions<br />

▪ Extensive social and cultural interactions worldwide<br />

▪ Balanced emphasis on all energy sources<br />

Regionally oriented economic development world<br />

▪ A world of independently operating, self-reliant nations<br />

▪ Continuously increasing population<br />

▪ Regionally oriented economic development<br />

▪ Slower and more fragmented technological changes<br />

and improvements to per capita income<br />

GCM = general circulation model<br />

SOURCE: IPCC AR4; expert interview; team analysis<br />

Forecast for <strong>East</strong> <strong>Kalimantan</strong> (2030 vs. 2010)<br />

Temperature change Avg. month rainfall change<br />

°C<br />

mm, <strong>Kalimantan</strong><br />

0.3 0.4 0.5<br />

-3.7 0.6 3.2<br />

0.4 0.4<br />

0.3 0.4 0.5<br />

-4.6 0.8<br />

DRAFT<br />

0.6<br />

-3.7<br />

Minimum Maximum<br />

Mean<br />

0 ° C 0.5 ° C 1.0 ° C -5 mm 0 5 mm<br />

Sea levels are predicted to rise by 20 cm by 2030 and 1.0 m by 2100<br />

IPCC AR4 : future evolution of global mean<br />

sea level 1<br />

Sea level rise might exceed IPCC projections<br />

▪ Recent analysis shows that the sea levels are<br />

currently tracking at the upper limit of the IPCC<br />

projections<br />

▪ Recent research results 3 project a sea-level rise of<br />

between 0.5 and 1.4 m above the 1990 level by<br />

2100, substantially beyond the upper range<br />

projected by the IPCC<br />

IPCC AR4: observation of sea level rise<br />

0.6<br />

New studies show 20 th century sea level rise rate<br />

was higher than IPCC estimates indicate<br />

▪ Most satellite data and tide gauge data indicate that<br />

average sea-level rise is now running at over 3mm<br />

per year<br />

▪ A global rate of sea-level rise of 3.36+/-0.41 mm/year<br />

was observed for the period 1993-2007 2<br />

▪ The rate of sea-level rise in the 20th century is<br />

probably the highest for the past 5,000 years<br />

4.0<br />

3.2<br />

SOURCE:: 1. SRES A1B Scenario, 2090 to 2099 (relative to 1980 to 1999) 3. Rahmstorf, 2007<br />

2. Beckley et al, 2007<br />

69

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