Linyi city is located in the southeast of Shandong Province, with Rizhao inthe East, the Yellow Sea in the west, Zaozhuang, Jining and Tai'an in the west,and Zibo and Weifang in the north. It spans 117 degrees 24 seconds to 119degrees 11 seconds east longitude and 34 degrees 22 seconds to 36 degrees 22seconds north latitude. It has a maximum distance of 228 kilometers from northto South and a maximum width of 161 kilometers from east to west, with a totalarea of 17184 square kilometers. It is the largest city in ShandongProvince.
The traffic of Linyi city is very convenient. It has formed athree-dimensional network of sea, air, highway and railway. Linyi airport, whichhas resumed flights, is a national second-class airport and the largest civilaviation airport in southern Shandong. It can take off and land Boeing 737,McDonnell 82 and other aircraft. It has initially opened 15 routes to all partsof the country. There are mainly 4 transit national roads and 14 provincialtrunk roads in the territory, forming a highway network extending in alldirections. The overall level and density of highways per square kilometerexceed the national average. Yanzhou shisuo railway, Pingshang Lanshan railwayand the coastal railway corridor from Harbin to the Yangtze River Delta will bebuilt soon, which will run through the East, West, North and south. Thecompleted Beijing Shanghai Expressway and Rizhao Dongming Expressway form across in Linyi City, with 340 km of traffic mileage.
Linyi is located in the southeast of the low mountains and hills in themiddle and south of Shandong Province and the south of the hills in the east ofShandong Province. The terrain is high in the northwest and low in thesoutheast. From north to south, there are Lushan, Yishan, Mengshan and Nishan,which extend from northwest to Southeast, controlling the flow direction of theupper reaches of Yishu River and its main tributaries. With Yishu River Basin asthe center, it is surrounded by mountains in the north, West and East. It formsa fan-shaped alluvial plain to the south. The terrain is complex and thedifference is obvious. There are many mountains, thousands of peaks, hills,plains, rivers and clear water. Mountains, hills and plains each account for onethird of the total area.
The mountainous areas are concentrated in Yishui, Yinan, Mengyin, Pingyi,Feixian, Junan and other counties. The terrain is relatively high, generallyabove 400 meters above sea level. Mountain vegetation is relatively dense, isthe main base for the development of forestry, fruit industry, animal husbandry,yellow tobacco, peanut, wheat, sweet potato and other crops are also planted.Hills are mainly distributed in the periphery of mountainous areas, such asYishui, Yinan, Junan, Lanshan, Cangshan, Linshu, Tancheng, Pingyi, etc., withthe most widely distributed in the east of Shuhe River, with an altitude of200-400 meters. The soil in hilly area is sandy, suitable for cultivation, thinsoil layer and poor ability of water and fertilizer conservation. It is suitablefor developing protective forest and economic forest. It is the main producingarea of peanut, sweet potato, corn, yellow tobacco and other crops. There areYishu River alluvial plain, valley plain and waterlogged plain in the plain. Thealluvial plain of Yishu river is mainly distributed in the south of Yishui, theeast of Yinan, Hedong, Lanshan, Luozhuang, Cangshan and Tancheng. Lintan Cangplain has deep soil layer and fertile soil. It is the main producing area ofgrain and vegetable, and is known as "granary". The Intermountain valley plainis mainly distributed in the middle of Feixian and Pingyi, the flat valley infront of Mengshan mountain, and the Intermountain valleys in Mengyin, Yinan,Yishui and other counties. It has deep soil layer, moderate texture, and avariety of wheat, corn and other crops. The waterlogging depression plain ismainly distributed in Cangshan and the south of Tancheng. The soil is sticky,the drainage is not smooth, and it is easy to waterlog. There are many kinds ofwheat, rice, vegetables and other crops.
From Archean to Cenozoic, except for the upper Ordovician, Zhigu, Devonian,lower Carboniferous, Triassic, middle and lower Jurassic, Paleocene and Neogenestrata, other fault zones extend northeastward through Tancheng and run throughthe whole city.
There are Lushan, Yishan, Mengshan and Nishan mountains from north tosouth. There are more than 800 large mountain tops, generally 200-500 metersabove sea level. There are more than 500 peaks with an altitude of more than 500meters, and more than 10 peaks with an altitude of more than 1000 meters. Theyshow the cloud surface and have magnificent scenery. Mengshan, 1156 meters abovesea level, is the second highest mountain in Shandong Province. It is known as"the second peak of Daizong" and a famous religious and cultural mountain inancient times. Yishan, 1032 meters above sea level, was called Dongzhen inancient times, ranking first among the five towns with beautiful mountains andquiet scenery. The two mountains have enjoyed a long-standing reputation both athome and abroad. Mazong mountain, Yushan Mountain, Tianbao mountain, Wenfengmountain, Jiazi mountain, Yinque mountain, Maling mountain, Mengyin mountain,Cangshan Mountain and Aishan mountain are all famous for their respectivecharacteristics of grandeur, miracles, historical events, characters, legendsand products. There are many table shaped mountains eroded by flowing water inYimeng, which are called "Gu" locally. In fact, there are more than 100 Gu inYimeng, which are not only a great spectacle in China, but also extremely rarein the world. The famous ones are Meng Lianggu, Baodu Gu, Nanbei daigu, LongxuGu, Liaoyang Gu, Moyun Gu, Sujia Gu, shichonggu, Jiwang Gu, Zhuzhu Gu, etc.During the war of liberation, General Chen Yi leaped from Mengshan to Yishui andwrote the magnificent poem "a beautiful scenery, seventy-two can be loved".
The climate is warm temperate monsoon continental climate with fourdistinct seasons, abundant rainfall and mild climate. The annual averagetemperature is 14.1 ℃, the extreme maximum temperature is 36.5 ℃, the minimumtemperature is - 11.1 ℃, the annual precipitation is 849 mm, and the annualfrost free period is more than 200 days. There are more than 300 rivers morethan 10 kilometers in Linyi City, including 287.5 kilometers in Yi River and 253kilometers in Shu River. The city has 90 large and small reservoirs with acapacity of 3.4 billion cubic meters and rich water resources.