saving small island

Sea level rise due to global warming have been soaking in the various regions of Indonesia, especially in the Expose Expose Sahul and Sunda. Exposure in the Sunda island of Java have a need to get more attention because of ecological and economic considerations.

Gas-greenhouse gases (Grk), especially carbon dioxide to the atmosphere teremisikan continue without stopping even continue to make slow rise since three centuries ago, has appeared significantly impact bad.

Some island countries have reported losing the small islands. Papua New Guinea, for example, reported that there are seven pulaunya Province Manus has been submerged. While Kiribati has lost three pulaunya, about 30 other islands also began to disappear from the surface of the sea.

Kiribati not only small countries that joined in the SIDS (Small Islands Development States) threatened the missing face of this earth. An estimated 44 members of the SIDS, in which 14 countries will be extinct due to sea level rise.

In the Pacific Ocean than the threat faced by Kiribati also experienced the Seychelles, Tuvalu and Palau. The Indian Ocean in the Maldives have even lost all akan pulaunya. Facing the threat of loss of sovereignty region, this has not been long the President of Maldives has a 369,000 inhabitants akan merelokasikan states throughout the country and expect to reach the hands of other countries to rent their region.

Meanwhile, the fate experienced by the lucky few who inhabited Vanuatu 212,000 population. This country still has land for merelokasi residents who live in the coastal areas submerged.

Losses Indonesia

Between the island nation in the world, probably the biggest loss will face Indonesia, as a country that has most number of islands. In the year 2030 the potential loss of pulaunya reach around 2000 when no program mitigation and adaptation to climate change, dust Indroyono, Secretary to Coordinating Minister for People's Welfare who is also former Head of Marine and Fisheries Research DKP.

Not currently known how much indeed the number of islands in this archipelago which has been lost because of the impact of sea level rise. However, the observation Coordinating Surveys and Mapping (Bakosurtanal) indicates contraction coastal areas have seen on the islands located in the Sunda and Expose Expose Sahul, said Aris Poniman, Deputy Primary Resources Natural Resources Bakosurtanal.

Sunda shelf covering the east coast of Sumatra, West Kalimantan, South Kalimantan and north coast and the island of Java. The Exposure Sahul in the vicinity of Papua region. Aris explanation is based on the ebb and flow monitoring conducted in various regions Bakosurtanal coast archipelago since last 30 years.

Facing the threat of loss of coastal areas and small islands which will likely continue in the future, Aris is also an instructor in the preparation of IPB suggest large-scale map of 1:5.000 and 1:1.000.

"Currently, three new cities, namely Jakarta, Semarang, and Makassar, the map has a scale is," he said. Appear on the map detail of the coast down in the three cities. Map this Bakosurtanal arranged in cooperation with the Japan International Cooperation Agency (JICA).

In addition, making large-scale maps are also conducted to the west and south Sumatra Java-Bali-Nusa Tenggara. This is related to the development of Tsunami Early Warning System (TEWS). Meanwhile, for the eastern Sumatra and other areas that are prone to sea water due to global warming map of the scale is still small, around 1:25.000.

"Making a map pool need to be a priority so that each area can be anticipated and steps in the adaptation region that will stagnate in the 5 to 20 years," he said.

Spatial data and remote penginderaan that record the impact global warming will also be subject to the policies in each of the related institutions in the future, Indroyono dust.

Scenario age earth

Without change of consumption patterns and human behavior of people, and without emissions Grk mereduksi efforts to overcome global warming, Intergovermental Panel on Climate Change (IPCC) estimate the age of the earth live seabad again.

Projections based on trends in the increase of temperature to 4 ° C. Level that can be achieved when Grk emissions continue to grow in the decades to come because it is not ditegakkannya climate change mitigation policies and environment-friendly development patterns.

When you view the data on emissions Grk period 1970-2004, emissions rose 70 percent Grk. Level was donated from the energy sector reached 145 percent increase.

If air temperatures increase to 4 ° C, impact of the loss of another 30 percent of wet land, increase in cases of illness due to air, heat, floods, and drought, resulted in death rate increased dramatically.

Threat that, according to the IPCC, can be prevented with a few scenarios for the year to reduce Grk 2030. Best scenario is a temperature increase of the earth is only 2 ° C-2, 4 ° C to 23 years. To achieve that, Grk concentration must be stabilized on a range of 445-490 part per million (ppm).

The other scenarios, the increase limited to about 3.2 ° C to 4 ° C in the same period of time, with Grk to keep the amount of 590-710 ppm. Grk levels at this time that has exceeded all. 2005 Grk concentration 400-515 ppm.

According to the IPCC, the target can be achieved if applied to climate change mitigation policies in each country, which must be taken in the energy sector, transportation, buildings, industry, agriculture, forestry, and waste management.


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