In the afternoon of Thursday afternoon, Guangzhou Pearl River will appear in the highest tide since July

Astronomical tide is here again.

For two consecutive days on July 14th and 15th, the largest astronomical tide (except for the tide of storms) since July in the Pearl River Section of Guangzhou, and the highest tide appears at noon and afternoon.

According to reports, the reasons for this astronomical tide are mainly astronomical and hydrological factors.

In terms of astronomy, at 17:06 on July 13th, the moon runs to the "nearly place". The moon, the earth, and the sun are similar to a straight line, which occurred "tide to look at". These two astronomical tide gathered together in a short time, thus becoming a significant astronomical tide.

In terms of hydrology, some time ago, the highest water level in the Xijiang and Beijiang of the Pearl River rose. The current Pearl River water level is also high.

In June, the astronomical tide appeared in the Guangzhou River section of the Pearl River. Data map

The highest and lowest tide time of Guangzhou Pearl River was 12:40 and 22:05 on July 14; on the 15th, at 13:30 and 23:00, respectively; on the 16th, it was 14:20 and 23:00, respectively. 45 points. The highest tide time is delayed for about 50 minutes a day. The maximum tide (the highest tide decreases and the lowest tide) is close to 3 meters. After July 16, the highest tide of Guangzhou Pearl River will fall significantly.

It is reported that during the recent tide of astronomical tide, the "hydrophilic platform" (oblique opposite to the southern building) along Jiangxi Road in Guangzhou may be submerged by the highest tide. When the public is close to the tide, pay attention to safety. Children must have adults to take care of.

The tidal nature of the Pearl River section of Guangzhou is an irregular half -day tide, and there are twice orgasm and low tide a day. However, in most cases, the height of the two orgasms is different, and the length of time from low to orgasm or climax to low tide is not equal.

Text/Guangzhou Daily · Xinhua City reporter Yakas Correspondent Li Jianji Guangzhou Daily · Xinhuacheng Editor Lin Chuanling

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