Multicolored pool

Multicolored pool

Wucaichi is the quintessence of Jiuzhaigou lake. It is the smallest and most colorful pond in Jiuzhaigou. The upper half is blue, the lower half is orange red, the left is sky blue, and the right is olive green. In the lake, there are aquatic plant communities such as Spirogyra, CHAROPHYTA and fern, as well as herbaceous plants such as Phragmites australis, Sarcandra glabra and water wick.

The chlorophyll content of these aquatic communities is different, and they can show different colors in the lake water rich in calcium carbonate. In winter, there is ice and snow all around, but this colorful small pool is not frozen, which is amazing.

The magic

1. Large quantity;

2. Different shapes;

3. Colorful.

Why the colors are different

1. Refraction of stalagmites in the pool;

2. Sunlight mapping;

3. Set off the surrounding scenery;

4. Karst landform.

Like a huge sapphire, the colorful pool is hidden in the dense forest. It is the smallest and most beautiful pool in Jiuzhaigou. One kilometer down from Changhai is the colorful pool. The mountain road is 3000 meters above sea level, and the colorful pool is hidden deep in the valley under the road. Wucaichi is famous for its beauty, purity and transparency, with an area of 5645 square meters. At 2995 meters above sea level, the ground is frozen three feet in cold winter, but the water in the pool is still clear and rippling. The seasons of rain and drought alternate, and the water in the pool seems to have no increase or decrease.

It turns out that the water in this pool is supplied by Changhai, which is located at a high place, through underground water. The underground water is not frozen in all seasons, so the water supply is generally stable throughout the year. It is 6.6 meters deep, with angular gravel at the bottom of the pool, clear rock texture, blue and green water, clear and transparent.

Wucaichi is the quintessence of Jiuzhaigou lake. In the pond, there are aquatic plant communities such as Spirogyra, CHAROPHYTA and fern, as well as herbs such as Phragmites australis, sarcandra and water wick. The chlorophyll content of these aquatic communities is different, and they can show different colors in the lake water rich in calcium carbonate.

In the same lake, some waters are blue, some bay branches are light green, some waters are crimson yellow, some springs are pink blue It's changeable. It's beautiful! When the sun is at its zenith, the mountain wind blows or the stone strikes the water, it can also splash a circle of golden red, golden yellow and snow-green ripples, which is particularly enchanting. Although the five color pool is the smallest and exquisite in Jiuzhaigou, its color is the most gorgeous, which is comparable to the five flower sea in Jiuzhaigou. The colorful lake is extremely clear. Through the pool water, we can see the stone patterns on the rock surface at the bottom of the pool. Due to the color difference of the sediment at the bottom of the pool and the different colors of the plants on the side of the pool, the original blue lake has become colorful.

The reason for the color of the lake water is that the water is rich in calcium ions and the water flow is slow, so after years of deposition, different shapes of deposits are gradually formed in the water. The scattering, reflection and absorption of sunlight by lake water. Sunlight or natural light is a kind of polychromatic light composed of monochromatic light with different wavelengths. In the spectrum, the wavelength gradually decreases from red light to purple light. The water of Jiuzhaigou lake is bright blue-green, which indicates that the scattering of short wavelength is much larger than that of long wavelength, which is Rayleigh scattering effect.

The Rayleigh scattering effect is particularly prominent in the lake water of Jiuzhaigou, which is mainly due to the high vegetation density, smooth water circulation conditions and the fixation of travertine on suspended matter, so that there are very few suspended matter, organic matter and plankton in the water, and the cleanliness and transparency of the lake water are very high.

The common Ca2 +, Mg2 +, HCO3 - plasma in lake water can also enhance the short wave light scattering. At the same time, due to the high transparency of the lake water, the selective absorption and reflection of the transmitted light by the grayish white travertine and yellow green algae at the bottom of the lake also increase the level and change of the lake water color. In addition, the lake in Jiuzhaigou is located in a deep canyon with undulating terrain. At the same time in different sections and at different times in the same section, the incident angle and amount of sunlight, the reflection of light on the surface of the lake and the transparency of the lake all have great changes. Therefore, the color of the lake is more changeable.

There are many stalagmites at the bottom of wucaichi, and there are some stone powder on the stalagmites. It's like a mirror with different height, showing beautiful color.

Related Legends

It is said that the five color pool is the place where the goddess Semo combs and washes. Dage, the male god, draws water for her from Changhai every day. For a long time, Dage's feet step 198 steps on the cliff, and the rouge washed from Semo's face becomes the amazing five color pool. People who love each other believe that if they can go down the steps to the colorful pool, make a wish silently, and then climb 198 steps, they will love each other for life.

Address: songpinggou tourist area, Diexi, Mao County, Aba Tibetan and Qiang Autonomous Prefecture

Longitude: 103.6619178454

Latitude: 32.059596170953

Ticket information: no ticket required. Included in the ticket of Diexi songpinggou scenic spot.

Chinese PinYin : Wu Cai Chi