Why is Shandong dry?

To answer this question, we must first look at the geographical location of Shandong.

Shandong Province is an important province along the eastern coast of China, located in the lower reaches of the Yellow River, bordering the Bohai Sea and the Yellow Sea in the east, facing the Korean Peninsula and the Japanese archipelago across the sea, bordering Hebei Province in the northwest, Henan Province in the southwest and Anhui and Jiangsu provinces in the south. Shandong Peninsula is opposite to Liaodong Peninsula and surrounds Bohai Bay.

Due to its special geographical location, Shandong Province has become the intersection of the Yellow River Economic Belt and the Bohai Economic Zone, and the junction of North China and East China, occupying an important position in the national economic structure.

Secondly,

Shandong Province is located between 34 degrees 25 minutes and 38 degrees 23 minutes north latitude and1/4 degrees 36 minutes east longitude, with the longest east-west distance of about 700 kilometers and the widest north-south distance of 420 kilometers, with a total land area of 156700 square meters. The highest point in Shandong Province is Mount Tai in the middle, with an altitude of 1545 meters. The lowest point is the Yellow River Delta in the northeast, with an altitude of 2m to10m. Shandong province is dominated by plains and hills, and plains and basins account for about 63% of the total area of the province. Mountains and hills account for about 34%; Rivers and lakes account for about 3%. There are more than 100 rivers in Shandong province, with the length of the main stream more than 50 kilometers, rivers and lakes criss-crossing, and dense water networks. The Yellow River, known as the "mother river of the Chinese nation", runs obliquely through Shandong from southwest to northeast, with a flow of more than 6 10 kilometers, and enters the sea from Bohai Bay. The famous Beijing-Hangzhou Grand Canal runs through the Luxi Plain from southeast to northwest, with a total length of more than 630 kilometers. Other important rivers include Tuhai River, Ma Jiahe, yi river, Shuhe River, Dawen River, Xiaoqing River, Jiaolai River and Huaihe River. The larger lakes in Shandong are Nansi Lake and Dongping Lake. Nansi Lake consists of Weishan Lake, Zhaoyang Lake, dushan lake Lake and Nanyang Lake, with a total area of 1.375 square kilometers. It is one of the top ten freshwater lakes in China. The main mountain ranges in Shandong Province are Taishan, Mengshan, Laoshan, Lushan, Yishan, Culai, Kunyu, Jiuding, Ai Shan, Yashan, osawa and Meng Lianggu.

Shandong province belongs to the warm temperate zone and semi-humid monsoon climate zone, with mild climate and distinct four seasons. The annual average temperature in the whole province is 1 1 degree-14 degree, the annual average precipitation is 550 mm-950 mm, and the frost-free period is more than 180 days in coastal areas and more than 220 days in inland areas.

The main reason of "ten years and nine droughts" in Shandong since ancient times is insufficient precipitation.

Shandong's climate belongs to temperate continental monsoon climate, with concentrated precipitation, rain and heat in the same season, short spring and autumn, long winter and summer.

Shandong has long sunshine hours throughout the year, with annual sunshine hours of 2300-2900 hours. The heat condition can meet the needs of two crops a year. However, more than 60% of precipitation is concentrated in summer, which is prone to floods, and droughts often occur in winter and spring, which has the greatest impact on agricultural production.

In addition, it is also due to the influence of the geographical environment in which Shandong Province is located-Shandong Province is located in the middle latitude, bordering the Yellow Sea and Bohai Sea in the east, starting from Dakou River in Wuli County in the north and Xiuzhen River in Rizhao County in the south, with a coastline of 3024.4 kilometers. Shandong Peninsula in the east, protruding between the Yellow Sea and the Bohai Sea, has Mount Kunyu across the peninsula. The inland is connected with the Great Plains of North China. There is Taiyi Mountain in the middle of Shandong Province, and Mount Tai (1545m) is the highest peak in the whole province. The mountains in the whole province are high in the northwest and low in the southeast. Due to the influence of land and sea distribution and topographic characteristics, strong winds in Shandong Province occur frequently, with high intensity and long duration, and become one of the main disastrous weather.