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The author:(作者)qq
published in(发表于) 2014/6/22 9:42:43
Ningbo more inland black stink， 4 ships for a long time remove and Jack fish

"Gold newspaper, you to Liyuan road north of the city, where the River was clean and how do these days become dark and smelly, water floated a lot of dead fish. We suspect that someone running into the river of sewage water or mud. "Yesterday morning, who lives in the Liyuan road near the Sun just call to our hotline. They immediately contacted Haishu Chengguan, they also received a number of complaints from the public. Collate complaints, reflecting sigang River, Yellow River, caijiahe, Sheng Feng He and other inland waters are black stink.

This river water quality is good, can be said to be "clean", why would one night black color and odor? "Five water treatment" under the environment of, do people actually committing to steal into the river row?

-Correspondent Cai Xiaofeng Zhang Lisheng Gu Mengjie reporter photographer Wang Ying Zhang

　One morning the fishing patrol ship through the more than 1000 kilograms of dead fish, smelly too scared to breathe

At noon yesterday, a reporter with City Management Bureau, Haishu district staff members to the scene.

On theme park North Road and fanjiangan road junction on the northern side of the bridge looking down river is sigang. River is quite wide, relying on a clean boat on the shore. Boat is around the water clouds of yellow-brown mud, and mud pie coming up from the river bottom. Floating on the surface of these mud pie was conspicuous. However, do not smell the distinct odor.

Meanwhile, not far away from a patrol boat and the boat quickly through, picks up a large wave, along with the waves, reporters saw the river bottom from sigang, rolled up a large black objects like a river bottom mud, a blast of foul smell accompanying these black shimmering, people can only breath, afraid to breathe.

At first glance, almost did not see the dead fish.

However, river cleaning master Zhu confirmed that Mr Sun floating on the River a lot of dead fish.

"The river is very clean, and these days has become a dark, smelly, lots of dead fish in the morning. "Master Chu says," at 6 o'clock arrived, were startled, and lots of dead fish in the river. Impression that the unheard cases. I fished with my colleagues, four cleaning vessels, spent a whole morning to clean dead fish, for more than 1000 kilos. ”

"Here, the fish here. "Master Zhu from cleaning garbage bag and fished out two fish on the boat, and full adult arm so long, probably about 5 pounds. He said that half a pound less than the more smaller fish.

Then, follow Haishu Chengguan staff arrived at the Tian Yi sheng Feng He near home, five-term. Although it was raining, but you can clearly see the Sheng Feng He had all been turned into ink, and became a river of ink. In addition, Huang Jiahe and caijiahe also have varying degrees of black color and odor issues.

　Reason into the rainy season, it was stuffy and hot mud at the end of an ultimatum: come up

What, which had good inland water blackening and stink it all of a sudden? Residents guess is stolen by someone, the near row.

Scene, Haishu City urban management Chief of the second section Bi Wei said, urban management department might also have concerns in this regard. For example, sigang river water quality has been very good, never black-odor problem, when judging a nearby construction site to steal their initial discharge caused by mud. However, few days, after careful inspection, ruled out the possibility.

Up to now, the River Black-odor issues, Haishu urban management Department found no human causes, and if the public found the river of sewage, can call Haishu Chengguan hotline 87103110 report it.

"Initially, we infer, river water blackened stinks mainly is caused by the silt on the bottom of the river. "BI for everyone.

"Why rivers of mud are hurrying to turn both the sky? "Pressed by reporters said.

BI for all analyses, mainly caused by three factors.

First, due to the River before construction standards were not high, black and odorous River has many years of dredging and river bottom mud thicker.

Is the second Inland communication outside the River in the exports have been blocked because of the Bao Feng Zha is expanding. It can be said that rivers to a near halt, mud is not the river flows, accumulate serious.

Third, Ningbo, two days into the rainy season, hot weather and low air pressure, adding on the river bottom mud, easily lead to fish kills.

　　Countermeasures installed aerators, manufactured the bubble can be a bit noisy and public understanding

Water blackening and stink to do? BI for everyone, Feng sluice extension project is completed, sometime in mid-July, yaojiang River within water and be able to communicate with mud water flows, it will be much better. The second half of the Haishu Chengguan Department imposed on Huang Jiahe river dredging, further enhance water activity.

There contingency measures?

"There are. We plan to enable mobile Nano bubble generator and a variety of biological agents temporarily alleviate the problem of water blackening and stink. Artificial oxygen into the River, river flows, to ease black and odorous. "BI for everyone, mobile Nano bubble generators need to be loaded on a ship in order to use, work process may produce noise, also public understanding.

　Extension

After entering every year when the summer rains inland water quality worse

This two-day, readers call to report a number of river floating a lot of sludge, dirt, like ink, water color, smoke roiling bubbles, ad nauseam.

Reporters learned from the Urban Management Department, after entering every year when the summer rains, Ningbo many inland waterways are often difficult to undergo a "roast check", become dirty, smelly, water is the worst stage of the year. Main city of Ningbo inland 165 total, an area of 405 hectares, governance there are three main difficulties: first, the sources are not all clear, the other is the serious shortage of water, third, after the destruction of the ecosystem requires a lengthy repair process. The exogenous sources, primarily sewage continues to exist to varying degrees; endogenous factors of river sediment deposition. Data show that average annual river silt accumulated to 10-15 cm.

Each year when the summer rains into the summer season, due to sediment curse, River prone to eutrophication, or black color and odor.

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