Heavy pollution reproduction, Changsha will add "green lung" drive

Heavy pollution reappears, Changsha will add "green lungs" drive date: 2016-12-09 16:31

Dad, look! The sky today is gray and the sun is yellow. On the morning of December 8th, Xiaoxuan Xuan, who lives in Yuelu District of Changsha City, found the weather on the road to school. In December, Changsha was still in a high haze weather. Data from the Changsha City Environmental Monitoring Center showed that the air quality in Changsha continued to be heavily polluted from the evening of December 7th to the 8th. It is predicted that Changsha will continue moderate-heavy pollution for the next two days. However, there was also good news on the 8th. The Binjiang Ecological Park project in the core area of ​​the Wangshui Binshui New City was started. The 14 parks + 4 big rivers, Xinzhou Island will add a new green lung to Changsha, and the future is expected to be pollution. Decrease. [Dynamic] Changsha reproduces severe pollution On the morning of the 8th, due to the combined effects of fog and haze, visibility in Changsha city was less than 50 meters. It was only after 11 a.m. that it slowly dissipated with the sun. At 10 o'clock in the morning, the reporter logged on to the website of the Changsha Municipal Environmental Protection Bureau. All 10 monitoring sites had dark purple dots, which meant that they were all heavily polluted. If the distant bright object is yellowish and red, it can be judged as a flaw. Xu Xiongfei, deputy chief of the Changsha City Environmental Monitoring Center, said. According to relevant person in charge of the Changsha City Environmental Monitoring Center, at 9 PM on the 7th, the concentration of PM2.5 in Changsha exceeded 150 micrograms/m3, causing heavy pollution. At 11 am on the 8th, the concentration of PM2.5 was 179 μg/m3 and the hourly AQI was 229. At this time, heavy pollution in Changsha had continued for 14 hours. When the air pollution index is 201-300, the air quality status is heavily polluted. At this time, the symptoms of patients with heart disease and lung disease were significantly increased, exercise tolerance was reduced, and symptoms were common in healthy people. [Cause] This is non-input pollution, which is the result of several days of accumulation. Xu Xiongfei said that recently, Changsha was surrounded by warm sun, affected by high altitude weak ridges and the ground equalizing pressure field, the wind speed was small, the temperature difference between day and night was large, there was an inversion layer, the atmosphere stratification was stable, local pollutants gradually accumulated, and the pollutant concentration gradually increased. . The difference from previous haze is that there is no obvious influence of exogenous input in the cause of this continuous pollution, but local pollutants gradually accumulate. According to meteorological and environmental experts, helium is the result of the combined effect of adverse meteorological conditions and excess pollutant emissions. The formation of earthworms first requires a specific atmospheric environment and requires certain meteorological elements such as air pressure, humidity, and wind. Since December, Changsha has continued to clear, the weather system has been quiet, the atmospheric pressure field is uniform, there is no rainfall, the wind is weak, and the air flow is not strong. It is difficult for pollutants to spread and easy to form ash. It can be seen that the root cause of sputum is the increase of man-made pollution sources, such as industrial pollution and exhaust emissions. [Forecast] Contaminated weather continues to enter this month. In December, Changsha has witnessed continuous mild and moderate pollution. In the near future, Changsha will still be in a high incidence of smog. According to the Changsha City Environmental Monitoring Station and the Changsha Meteorological Observatory, Changsha is still sunny on the 9th, the north wind is 1-2, the temperature is 6-20, and the air quality will continue to be heavily polluted; on the 10th, the weather in Changsha is sunny and cloudy. Northwest wind 3-4, temperature 7 to 14, air quality for moderate pollution - severe pollution. Environmental experts reminded that taking into account that Changsha will usher in short-term heavy pollution in the next 24 hours, it is recommended that primary and secondary school students, children, the elderly, and patients with respiratory tract, cardiovascular and cerebrovascular diseases and other vulnerable groups stay indoors as much as possible to avoid outdoor sports; The crowds reduce the time for outdoor sports and outdoor activities; it is recommended that primary and secondary schools and kindergartens reduce outdoor activities such as physical education classes; promote public travel by public transport and reduce the number of cars on the road; advocate the timely shutdown of drivers when they are parked, and reduce the idling speed of vehicles. Reporter Jiang Runhui countermeasures control site dust, top grid check dregs earth vehicle October 1 this year - February 28, 2017 for the special protection period of atmospheric pollution prevention, Changsha will strive to control the autumn and winter season heavy pollution weather does not exceed 5 days to ensure 2016 The excellent rate of ambient air reached 75.3% (275 days). In recent days, the Changsha City Environment Commission has fully dispatched relevant departments at all levels to carry out inspections and enforcement of air pollution prevention and control in key areas and key units in the city. From the evening of December 6th to the early morning of the 7th, Changsha launched a special action for dust enforcement of dust and dust, focusing on combating illegal activities such as dirt trucks, gravel trucks, and cement mixers, as well as black work sites and black debris. Vehicles and black battlefields were all black and black, 21 sites were rectified, 14 trucks were detained, 5 vehicles were gravel, and 1 was for other construction vehicles. We strictly imposed heavy penalties for violations discovered, and handled the top grid. In respect of dust control, all construction sites in the city will be shut down after 4:00 a.m., and road surface cleaning will be ensured before 6:30; efforts will be made to complete the relocation of all ready-mixed concrete stations in the Sanhuan Line by the end of December, and to strengthen on-line monitoring of dust on construction sites. . Reporter Jiang Runhui's environmental protection link Wangcheng Binjiang Ecological Park started 14 parks +4 Dajiangxin Island to add green lungs to Changsha On December 8, the Binjiang Ecological Park Group project located in the core area of ​​Wangshui Binshui New City started to focus on Changsha. A new green lung is added, and 14 parks + 4 major rivers on the island will be unveiled north of the Sanchaji Bridge in Changsha, creating the most beautiful riverside ecological park in the central region. The Binjiang Ecological Park Group is located in the core area of ​​Wangshui Binshui New City, from the Sanchaji Bridge in the south, the Qinshui Bridge in the north, the Xiangjiang River in the east, and Leifeng Avenue and Venus Avenue in the west. It is 20 kilometers long from north to south, with an average east-west depth of 1,500 meters. About 32 square kilometers, including the riverside park belt of about 20 kilometers, the four Jiangxinzhou islands and the Xiangjiang river mudflats of the whole city of Wangcheng, and the 20-kilometer-long Xiangjiang River waterfront. It has the most beautiful wetland in Changsha and the only bird habitat for Dazao Lake. The park group meets the requirements for the construction of rivers and lakes and the construction of a sponge city. The water system is a vine, the park is a melon, and the island is a leaf. It is an ecological space that is connected by a river, three lakes in series, parks, and green islands, relying on Xiaoxiang. The two major development axes of Beilu and the Golden River water system are planned to construct four areas of healthy and happy living, innovative commerce, ecological wisdom, and cultural and tourism Leyou, and to build a new type of urbanization demonstration area where Jiangzhou Lake linkage and production and urban landscape are integrated. The specific projects of Binjiang Ecological Park include the Golden River system in the area, the lakes of Dazhe Lake and Zhangjia Lake, Xiangjiang River Beach, Moon Island, Xiangrongzhou, Baishazhou, Caijiazhou, and other four rivers and the 14 parks (Silver Star Bay Park, Sanhuan Civic Fitness Park, Nantang Lake Hotspring Health Park, Daze Lake Wetland Park, Chongyanghu Wetland Park, Gold Leisure Water Bank, Baisha Lake City Living Room, Maqiao River Wetland Park, Zhangjiahu Civic Park, Pioneer Sports Park, Xiaohu Lake Yacht Sports Park, Gushan Sports Park, Hanshan King Archaeological Site Park, Zebra Lake East Lake Leisure Park).

The projects to be started this time mainly include Xiaoxiang North Road and Silver Star Bay Park. Xiaoxiang North Road is the main urban road that runs through the Binjiang River and has the function of landscape. It is planned to be constructed according to the standard of the urban express road and it is planned to be completed in 2018. After the project is completed, the journey from Wangcheng to Changsha, the main city, will be shortened to less than 20 minutes, and a 20-minute commuter circle will be established with the city of Changsha. Silver Star Bay Park is located at the southernmost tip of the Binjiang Ecological Park and is also the gateway park of Wangcheng. The project starts from the Sanchaji Bridge in the south and the Shichang Railway in the north. It covers a total area of ​​780 mu (including 460 mu of Xiangjiang River mudflats), and the design tourist capacity is 3000. People are expected to open in May next year.

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