Pishan County’s geographical location, environment, public security, Han people and earthquake situation

Pishan County is located in the southern part of the Xinjiang Uygur Autonomous Region, on the southern edge of the Taklimakan Desert and at the northern foot of the Karakoram Mountains. It borders Hotan County and Moyu County to the east, Yecheng County to the west, the actual control areas of India and Pakistan in Kashmir to the south, and Maigaiti County and Bachu County to the north. It is located at 77°31′ to 79°38′ east longitude and 35°22′ to 39°01′ north latitude. The county is 423 kilometers long from north to south and 67.5-144.5 kilometers wide from east to west, with a total area of ??41,400 square kilometers, of which mountainous areas account for 37.9%, plains account for 22.6%, and deserts account for 39.5%. Land suitable for agriculture accounts for 2.3%, and land suitable for pasture accounts for 13.1%. The County People's Government is located next to National Highway 315, 1,811.6 kilometers away from Urumqi, the capital of the autonomous region.

The county's landform types can be divided into 5 units:

The southern iceberg and snow belt

With an altitude of more than 4,500 meters, it is a high mountain with snow all year round. , distributed with huge glaciers; between 3500 and 4500 meters, there is Pishan County

Arid grassland vegetation is distributed in strips on the slopes and valleys soaked by melting snow; including Setula, Sugetitage , Talasi Tutag Mountain area.

Alpine zone

The altitude is 2500-3500 meters and the terrain is complex, including Sangzhutag Mountain, Buqiong, and Tajik National Township.

Piedmont valley area

With an altitude of 1,400-2,500 meters, it includes Duwa, Sangzhu, Koshitag, Simusla and Keriyang areas.

Pingchuan Zone

With an altitude of 1,250-1,400 meters, the terrain is flat and includes several towns north of National Highway 315 such as Guma Town, Koktiereke, and Mukuila.

Gobi Desert

Below 1,250 meters above sea level, it is arid and water-deficient, with many quicksands and sparse desert vegetation such as reeds, tamarisk, and poplar euphratica. Pishan County

The soil in the county is divided into 13 soil categories, 15 subcategories, 19 soil genera, and 39 soil species. The dominant soil type is irrigation silt soil, and the remaining slightly larger areas include brown desert soil, newly accumulated soil, wind-sand soil, and saline fluvoid soil. The main soil type is light yellow sandy soil, covering an area of ??486,000 acres, accounting for 72.8% of the census area. It is the main agricultural soil in Pishan County and is distributed in various oasis farmlands; followed by brown desert soil, accounting for 2.26%; irrigated brown desert soil, Accounting for 13.4%; river beach salted meadow soil, accounting for 1.69%; desert yellow sand loam, accounting for 1.41%. Of the 668,000 acres of soil available in the county, 436,000 acres had been reclaimed and transformed for use by 1992. There are 5 small and medium-sized mountain rivers in the county, all originating from the glaciers and snow-capped mountains of the Karakoram Mountains, flowing through oasis farmland, and finally entering the Taklimakan Desert. Judging from the existing oasis area, Pishan County is rich in water resources. The annual surface runoff is 750 million cubic meters, with 1,720 cubic meters of surface runoff, and the per capita surface runoff is 4,120 cubic meters, exceeding the national average. The groundwater reserves are 250 million cubic meters. In addition to outcrop spring water, the recoverable amount is 0.4-0.5 billion cubic meters. The groundwater is shallow and easy to develop.

Edit the climate conditions of this paragraph

Pishan, located on the southern edge of the Taklimakan Desert, has a typical continental warm temperate dry desert climate, which can be roughly divided into three climate zones:< /p>

The southern mountainous area

It has an alpine climate above 3,900 meters above sea level, with snow all year round. The annual average temperature is -6℃, the average temperature in January is -11.3℃, the average temperature in Pishan County in July is 9.8℃, the extreme maximum temperature is 25℃, and the extreme minimum temperature is -31℃. The annual rainfall is 36.6 mm and the number of windy days is 123.5.

The central foothills zone

There is more rain and snow, less heat, and there are dangers of hail and heavy rain in summer. The annual average temperature is 10.1℃, the average temperature in January is -5.3℃, the average temperature in July is 21.7℃, the extreme maximum temperature is 37℃, the average temperature in July is 21.7℃, the extreme maximum temperature is 37℃, the extreme minimum temperature is -22.3℃, annual rainfall 189.9mm. It is suitable to develop agriculture, forestry and animal husbandry.

Plain areas

are rich in light resources, frequent spring droughts, and prone to strong winds and hot and dry winds. The annual average temperature is 11.8℃; the average temperature in January is -6.1℃, and the average temperature in July is 25.3℃; the extreme maximum temperature is 41℃, and the extreme minimum temperature is -22.9℃; the degree of soil freezing is generally 60 mm, with the extreme value reaching 90 cm. The annual sunshine is 2466.8 hours, the total solar radiation is 138 kcal/cm2, and the frost-free period is 217 days; the precipitation is 51.3 mm, the wind direction is mainly northwest, and the number of windy days carrying sand and dust is 10-15 days. May to September is the wind season.