Geography of Haizhu District

Haizhu District is located in the south of Guangzhou, surrounded by the Guangzhou section of the Pearl River, facing Liwan District, Yuexiu District and Tianhe District across the river in the north, and facing Huangpu District and Panyu District in the east, west and south respectively. The main body of this area is Haizhu Island (Henan Island), in addition to Guanzhou Island and Yajisha Island.

The climate in Haizhu District belongs to the south subtropical maritime monsoon climate. Because it is close to the South China Sea and influenced by the warm and humid tropical marine air mass, it has the climate characteristics of abundant rainfall, abundant sunshine, warm and humid, small annual temperature difference and obvious dry and wet seasons (the measured data in this section are all from Panyu District, because the climate of the two places is quite similar).

First of all, sunshine

Haizhu District is located in the south of the Tropic of Cancer, with direct sunlight twice a year and rich light and heat resources. The annual average sunshine hours 1503.6 hours, and the annual sunshine rate is 34%. The sunshine hours in the second half of the year are longer than those in the first half, of which 10 is the longest, with an average of 180. 1 hour, and March is the shortest, with an average of 55.6 hours.

Second, the temperature

The annual average temperature is 22.4℃, the hottest month is July, with an average temperature of 28.7℃, and the most Leng Yue is 65438+ 10 month, with an average temperature of 14.0℃. From 199 1 to 2000, the extreme maximum temperature was 37.3℃ and the extreme minimum temperature was 0.0℃. Due to the influence of urban "heat island effect", the temperature in densely populated areas in northeast China is higher than that in southeastern fruit forest areas.

Third, the wind

The wind in Haizhu District is dominated by monsoon, and its dominant wind directions are northerly winds and northerly winds prevailing in the winter half year (September to March of the following year) and southeasterly winds and southeasterly winds prevailing in the summer half year (April to August). April and September are the months when the monsoon changes. During the summer monsoon season, especially from July to September, it is often attacked by tropical storms.

Fourth, precipitation.

From 199 1 to 2000, the average annual precipitation was 1783.8 mm, and the seasonal variation of precipitation was obvious due to the monsoon climate. The annual rainy season begins in early April and ends at the end of September. The rainy season lasts for six months, and more than 80% of the annual precipitation is concentrated. In a year, the precipitation in June is the highest, reaching 328. 1mm, and the lowest in June, 165438+ 10, with only 25.8 mm. The precipitation in the first flood season (April-June) is mainly brought by the southeast monsoon and southwest monsoon, and in the second flood season (July-September) The winter half year (September-March) is controlled by the polar continental air mass, which brings low temperature, dryness and little rain. The precipitation here is generally less than 20% of the annual precipitation.