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inland

Hypothesis

There will be a lot of radiation fog in the fall.

the point we investigated

섬 표시하기.PNG

In the inland areas, radiation fog generated by nighttime radiant cooling occurs mainly under the influence of mobile high pressure in fall. In the area near the dam, when the dam effluent temperature is higher than the air temperature, it evaporates from the surface of the effluent to create a vapor fog, otherwise, fog occurs due to the inversion layer.

Regional topography and climate

Cheorwon

Cheorwon is an inland basin, and is divided into the northwestern plain region and the southeastern mountain region around the Hantan River flowing from the northeast to the southwest. The annual average temperature of the Cheorwon region is 10.2℃, the average annual maximum temperature is 16.2℃, and the average annual minimum temperature is 4.7℃. The annual average precipitation is 1,391.2mm, which is similar to the average precipitation in Korea, but it is geographically located on the windward side, causing topographical precipitation, causing a lot of concentrated heavy rain.

gochang

Gochang is an inland hilly area facing the west sea, and there are many foggy days in spring and autumn, which is slightly higher than the average frequency of fogging days in the west coast area. The average annual temperature in Gochang is about 12.9℃, the highest annual temperature is 18℃, and the average minimum annual temperature is about 8℃. The highest temperature throughout the year is 35.9℃ in July and the lowest temperature is -10℃ in January. The annual precipitation is around 1,200㎜, which is close to the average in Korea. More than two-thirds of the precipitation is concentrated in the rainy season, June~August, and the next most precipitation is recorded in May and November.

andong

Andong is located in the northern inland of Gyeongsangbuk-do, and is a basin-shaped area surrounded by Sobaek Mountain in the northwest and Taebaek Mountains in the east. The annual average temperature is 11.9℃ and the annual average precipitation is 1,066.4㎜.

suncheon

Suncheon downtown shows the characteristics of a maritime climate, and the northwest regions of the city, such as Juam-myeon and Hwangjeon-myeon, show continental climate characteristics. The annual average temperature is 12.6℃, and the maximum daily temperature is 39.4℃, and the annual temperature difference is large.

jinju

In Jinju, the Sobaek Mountains extend to the northwest. Jirisan, the highest peak in the Sobaek Mountains, is located about 40km to the northwest, and it is an inland basin surrounded by gentle hills of about 200m above sea level to the east, west, and south. The annual average temperature is 13.1℃ and the annual average precipitation is 1,512.8㎜.

geochang

Geochang is a part of the mountainous area that is adjacent to the eastern slope of the Sobaek Mountains and is connected to the Jinan Plateau, the only plateau in the southern region. It is a mountainous basin surrounded by a slope of over 1,000m, including Deogyu Mountain to the north, Gibaek Mountain to the west, Gaya Mountain to the east, and Jiri Mountain to the southwest. The annual average temperature is 11.7℃, and the annual average precipitation is 1,316.8mm.

Fog data

about 2010 ~ 2020

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