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Frequent occurrence of extreme weather in Jakarta, Indonesia

發(fā)布時間:2020-03-26發(fā)布者:點(diǎn)擊次數(shù):615

Recently, in Jakarta, the capital of Indonesia and its surrounding areas, floods caused by large-scale rainfall are serious. Indonesia's national disaster relief agency announced that the latest flood disaster occurred from February 25 to 27, which has killed at least 9 people and affected nearly 23000 people with more than 73000 families. To this end, the disaster relief Department has made an emergency response, sending rubber boats and disaster relief personnel to the areas affected by the flood, helping the victims to evacuate, and carrying out post disaster assessment. In the near future, there will be thunderstorms and strong winds in Jakarta and surrounding areas, and there is still a risk of another flood in some areas.


From November to April is the rainy season in Indonesia, which is also the high incidence period of flood disaster. Since the end of last year, the average daily rainfall in Jakarta has exceeded 150 mm for many times, reaching the standard of extreme rainfall recognized by the Indonesian meteorological, climatic and Geophysical Bureau.


On December 31 last year, the rainfall in Jakarta reached 377 mm, the highest daily rainfall since 2007. Heavy rain that night caused floods in Jakarta and many satellite cities around it, killing 67 people and affecting hundreds of thousands of others.


Successive rains at the end of February flooded dozens of locations in Jakarta. According to local media reports, the highest flood level in the eastern part of Jakarta City reached two meters, which led to the interruption of power supply for 20 bus stations under the "Jakarta public transport" system, the paralysis of the bus card reader at the station, the suspension of service for 36 bus lines, and the relocation of 12 bus lines. Jakarta's education sector was forced to temporarily close more than 100 schools. For security reasons, Indonesia's state power company also temporarily cut off electricity supply in parts of Jakarta.


At present, the government departments are focusing on evacuating the affected people and doing their best to resettle them, said the governor of Jakarta, anis. He said that Jakarta Water Conservancy Bureau deployed more than 1000 staff and 170 mobile pumps in the disaster area to dredge the river to drain the flood as soon as possible.


Jakarta has been affected by flood recently, which has aroused wide attention in Indonesia. It is pointed out that climate warming is one of the factors that cause serious flood disasters in Jakarta and its surrounding areas. Dwikorita kanawati, head of Indonesia's meteorological, climate and Geophysics agency, said last year's average temperature in Jakarta was 0.82 degrees Celsius higher than the average in the same area from 1981 to 2010. Kanawati said extreme weather will become more frequent in the future if effective measures are not taken immediately to reduce climate warming.


Doni monerdo, head of Indonesia's national disaster relief agency, believes that overexploitation of groundwater has led to the sinking and collapse of Jakarta's urban surface, making it difficult for floods to flow into the sea. In addition, the behavior of residents discarding garbage in urban rivers, which causes River silting and further worsens the situation, is also one of the reasons for the frequent occurrence of recent floods.


Nurhayati, a member of the house of representatives of Indonesia, proposed that in order to overcome frequent floods, Indonesia should expand its rivers to increase river capacity and flow, at the same time, create urban forests, build dams and reservoirs and other public protection facilities. Ban bang hidaya, head of the basin center of the zhirion and xisadana rivers in Indonesia, proposed the construction of a basin reservoir. He believes that this can not only collect and store water in dry season, but also regulate river flow during rainy season, so as to help prevent floods.


Source: People's daily