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nba竞彩_该国首都,正在“陷落”

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Speaking of inclined buildings, the first thing people think of is often the Leaning Tower of Pisa in Italy. But there is such a city,

说到倾斜的建筑物,人们首先想到的往往是意大利的比萨斜塔。但是有一个城市

That's mexican

那是墨西哥人

Like some coastal cities, Mexico City is also experiencing land subsidence problems.

像一些沿海城市一样,墨西哥城也面临着地面沉降问题。

So why did the capital of Mexico sink so much,

那为什么墨西哥首都沉没得那么多,

Mexico City is located in central Mexico, at the same latitude as the Sahara Desert.

墨西哥城位于墨西哥中部,与撒哈拉沙漠的纬度相同。

Therefore, humans lived in Mexico City for a long time. The most famous Aztecs among Native Americans live here.

因此,人类在墨西哥城生活了很长一段时间。美国原住民中最著名的阿兹台克人居住在这里。

The early aborigines built a city on a small island on Lake Tescoco, the largest in the area at the time. It was a unique lake capital until European colonists came to this continent. It was the Spanish who conquered Mexico,

早期的原住民在特斯科科湖上的一个小岛上建造了一座城市,这是当时该地区最大的城市。在欧洲殖民者来到欧洲之前,它是一个独特的湖泊之都。是西班牙人征服了墨西哥,

During the war, the island city on Lake Tescoco was razed to the ground. Then the Spaniards built a new city on this land,

战争期间,特斯科科湖上的这座岛屿城市被夷为平地。然后西班牙人在这片土地上建造了一座新城市,

With the development of New Spain,

随着新西班牙的发展,

After the 16th century, the Spaniards filled most of the lake for urban land use. Streets and squares replaced embankments and canals. The lake was gradually drained in the process of filling and blocking. Today we have

16世纪之后,西班牙人将大部分湖泊供城市土地使用。街道和广场取代了路堤和运河。在填充和阻塞过程中,湖泊逐渐被排干。今天我们有

Although this has absorbed a huge number of people entering the city, it has many harms and brings many hidden dangers to the safety of urban residents. The first is the flood disaster. After the lake is drained,

尽管这已吸收了大量进入城市的人,但它具有许多危害,并给城市居民的安全带来许多隐患。首先是洪水灾害。湖干ed之后

Another hidden danger is more serious,

另一个隐患更严重,

Volcanic soil has a characteristic-porous. Rainwater will pass through the porous soil directly into the underground aquifer,

火山土壤具有特征性的多孔性。雨水将通过多孔土壤直接进入地下蓄水层,

The underground structure of Mexico City can be imagined as a sponge. When water is poured into the sponge, it will absorb water and expand.

墨西哥城的地下结构可以想象成海绵。将水倒入海绵后,它将吸收水并膨胀。

So if there is a problem with the water cycle in Mexico City and the amount of water in the underground aquifer is not enough to support the soil and buildings on the ground, the entire city will sink.

因此,如果墨西哥城的水循环出现问题,并且地下蓄水层中的水量不足以支撑地面上的土壤和建筑物,那么整个城市都会下沉。

The danger does not directly come from the sinking of the city. If the whole city moves downward at the same speed, nothing will happen.

危险不直接来自城市的沉没。如果整个城市以相同的速度向下移动,将不会发生任何事情。

Although the underground structure of Mexico City is so unstable, as long as the aquifer has enough water, it can support an increasingly busy city on the ground. A city built on the lake bed

尽管墨西哥城的地下结构非常不稳定,但只要含水层有足够的水,它就能支撑地面上日益繁忙的城市。建在湖床上的城市

however

然而

Most areas of Mexico have a savanna climate. The whole year is divided into two seasons: dry and rainy, and precipitation mostly occurs in the rainy season. The extreme climate phenomenon caused by global warming makes the rainy season in Mexico become more and more violent.

墨西哥的大部分地区为热带稀树草原。全年分为两个季节:干燥和雨季,降雨主要发生在雨季。全球变暖导致的极端气候现象使墨西哥的雨季变得越来越猛烈。

This leads to the loss of excess precipitation in the rainy season before it penetrates into the aquifer, and insufficient precipitation to supplement groundwater in the dry season. Mexico’s

这导致雨季在渗入含水层之前失去过多的竞彩nba投注软件降水,而在旱季则不足以补充地下水。墨西哥的

Simultaneously with the declining groundwater level, the population is gradually rising.

在地下水位下降的同时,人口也在逐渐增加。

At the beginning of the 20th century, the population of Mexico was only about 14 million. Today, the population of Mexico City alone exceeds 22 million. Like other countries in Latin America, thousands of immigrants have poured into the capital from all over the country looking for opportunities to make this city from 1950

20世纪初,墨西哥的人口仅为1400万。今天,仅墨西哥城的人口就超过2200万。像拉丁美洲其他国家一样,成千上万的移民涌入该国各地,寻找从1950年开始建造这座城市的机会

The city spread across the valley, almost erasing all remaining traces of the original lake.

这座城市遍布山谷,几乎抹去了原始湖泊的所有痕迹。

The population of the Mexico City metropolitan area now ranks among the top in the world, and the narrow and limited land is difficult to carry the operation of the huge capital.

墨西哥城大都市区的人口现在位居世界之首,而狭窄而又有限的土地难以承载巨额资本的运作。

Tokyo is located in a subtropical monsoon climate zone and is also on the coast of an island country with abundant rainfall. Even with such superior congenital conditions, it once caused ground subsidence due to the excessive exploitation of groundwater, which reached its peak in 1968.

东京位于亚热带季风气候区,也是一个岛国海岸,降雨充沛。即使在如此优越的先天条件下,由于对地下水的过度开采,它曾经引起地面沉降,并在1968年达到顶峰。

But Mexico City obviously cannot stop pumping groundwater.

但是墨西哥城显然不能停止抽地下水。

In fact, when it comes to the water pipes in Mexico City, the locals are very proud.

实际上,当谈到墨西哥城的水管时,当地人感到非常自豪。

The energy required to extract and transport these water resources is huge, and what is even more heartbreaking is this

提取和运输这些水资源所需的能量巨大,更令人心碎的是

This forms a vicious circle: water is taken from deep underground due to lack of water, and the water taken out is due to ground subsidence.

这nba竞彩形成了一个恶性循环:由于缺水而从地下深处取水,而取水则是由于地面沉降。

The Mexican city government has invested a lot of money in order to ensure the city’s water supply, but urban residents’ water has not been effectively guaranteed.

墨西哥市政府为确保城市供水已投入了大量资金,但尚未有效保障城市居民的用水。

Due to pollution, the tap water cannot be drunk directly, and more people choose to raise funds to rent trucks to transport drinking water. In Mexico City, about 500 vehicles travel between the suburbs and urban areas every day

由于污染,自来水不能直接饮用,更多的人选择筹集资金租用卡车运输饮用水。在墨西哥城,每天大约有500辆车在郊区和市区之间行驶

The entire Mexico City sank 9 meters in the last century, and the first 20 years of this century

上个世纪和本世纪头20年,整个墨西哥城沉没了9米

Uncontrollable ground subsidence put the building in danger,

无法控制的地面沉降使建筑物处于危险之中,

The most obvious evidence is the Independence Monument, the symbol of Mexico's founding.

最明显的证据是独立纪念碑,它是墨西哥建国的象征。

It stands in the center of the turntable of the open boulevard in the city center. The gilded angel on the top of the building looks down on the traffic underneath. She is the pride of Mexicans.

它位于市中心开放式林荫大道转盘的中心。建筑物顶部的镀金天使俯视着下面的交通。她是墨西哥人的骄傲。

When the Mexican President cut the ribbon for it in 1910, the monument base only had

1910年,墨西哥总统为此剪彩时,纪念碑基地只有

Nowadays, land subsidence has threatened the life and property safety of Mexican urban residents.

如今,地面沉降已经威胁到墨西哥城市居民的生命和财产安全。

But the population of Mexico City is currently increasing by 350,000 per year. According to Alan Morgan, a geologist at the University of Waterloo, the groundwater level in the surrounding area of ​​the capital drops by about 3 feet every year, because the precipitation rate is lower than the evaporation rate.

但是,墨西哥城的人口目前每年以35万的速度增长。根据滑铁卢大学的地质学家艾伦·摩根(Alan Morgan)的说法,由于降水率低于蒸发率,首都周边地区的地下水位每年下降约3英尺。

The entire city's building foundations, wells, streets and sewer systems will be damaged to varying degrees, and the city may also be paralyzed.

整个城市的建筑基础,水井,街道和下水道系统都将受到不同程度的破坏,整个城市也可能瘫痪。

The only "benefits" it brings may be the creation of a number of jobs-now Mexico City has a dedicated team of workers

它带来的唯一“好处”可能是创造了许多就业机会,现在墨西哥城拥有一支敬业的工人队伍。

When building cities on small islands in the lake, perhaps even the best prophet of Aztec would not have thought of it,

在湖中的小岛上建造城市时,也许甚至是阿兹台克人最好的先知都不会想到,

Central American cyberpunk, you can see the whole picture here.

中美洲的赛博朋克,您可以在这里看到整个图片。

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