冬の蜃気楼現象：魅惑のだるま太陽を目撃しよう

Witness the Enchanting Daruma Sun: A Winter Mirage Phenomenon

だるま太陽は、特に冬の夕刻に見られる太陽の蜃気楼現象で、宿毛湾や室戸市などで観察できます。温かい水蒸気と冷たい空気の境界で光が反射し、太陽がだるまの形に見えるこの現象は、自然の神秘を感じる絶好の機会です。

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The Daruma Sun

is a type

of solar mirage phenomenon

where the sun

appears distorted

into a "Daruma" shape,

especially during sunrise

or sunset

near the horizon.

This phenomenon

occurs mainly

from the autumnal equinox

to the vernal equinox

due to the temperature difference

between the sea surface

and the atmosphere.

Specifically,

water vapor from the sea

refracts light,

making the sun

look like a Daruma doll.

The Daruma Sun

is often observed

in winter evenings,

particularly in places

like Sukumo Bay

and Muroto City.

It happens

when warm water vapor

and cold air

create a boundary

that reflects light,

and it can be seen

about 20 times

during winter,

but only around 10 times

in a perfect Daruma shape.

Recommended spots

for viewing include

Sukumo Bay,

especially the Mozu area,

Sukumo New Port,

and Kanyoto Park,

as well as Muroto City,

where you can see

the Daruma sunrise

to the east

and the Daruma sunset

to the west.

This natural spectacle

is best observed

by arriving at the location

30 minutes before sunset.

The best season

to see the Daruma sunset

is from mid-November

to mid-February,

with the phenomenon

occurring around 5:00 PM

from November to January

and around 5:30 PM

in February.

Clear weather

and a significant temperature difference

between the air and sea

are ideal conditions

for this occurrence.

Although it is a rare event

and perfect conditions are necessary,

visiting during this period

offers the highest chance

of witnessing this breathtaking phenomenon.

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by F_chika
作成:2024/09/10 08:59
レベル:中上級 (語彙目安:4000〜6000語)

# 冬の蜃気楼現象：魅惑のだるま太陽を目撃しよう
## Witness the Enchanting Daruma Sun: A Winter Mirage Phenomenon

![thumbnail](https://eigobox.s3.ap-northeast-1.amazonaws.com/g/e40af2b7c6eef8748ea60fb9d9ee037b176959eb.png)

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The Daruma Sun is a type of solar mirage phenomenon where the sun appears distorted into a "Daruma" shape, especially during sunrise or sunset near the horizon. This phenomenon occurs mainly from the autumnal equinox to the vernal equinox due to the temperature difference between the sea surface and the atmosphere. Specifically, water vapor from the sea refracts light, making the sun look like a Daruma doll. The Daruma Sun is often observed in winter evenings, particularly in places like Sukumo Bay and Muroto City. It happens when warm water vapor and cold air create a boundary that reflects light, and it can be seen about 20 times during winter, but only around 10 times in a perfect Daruma shape. Recommended spots for viewing include Sukumo Bay, especially the Mozu area, Sukumo New Port, and Kanyoto Park, as well as Muroto City, where you can see the Daruma sunrise to the east and the Daruma sunset to the west. This natural spectacle is best observed by arriving at the location 30 minutes before sunset. The best season to see the Daruma sunset is from mid-November to mid-February, with the phenomenon occurring around 5:00 PM from November to January and around 5:30 PM in February. Clear weather and a significant temperature difference between the air and sea are ideal conditions for this occurrence. Although it is a rare event and perfect conditions are necessary, visiting during this period offers the highest chance of witnessing this breathtaking phenomenon.

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だるま太陽は、特に朝日や夕日が水平線に近い位置で「だるま」の形に歪んで見える太陽の蜃気楼現象の一種です。この現象は、主に秋分の日から春分の日にかけて、海面の温度と大気の温度差によって発生します。具体的には、海面からの水蒸気が光を屈折させ、太陽がだるまのように見えるのです。だるま太陽は、特に冬の夕刻に見られることが多く、宿毛湾や室戸市などの特定の場所で観察することができます。この現象は、温かい水蒸気と冷たい空気の境界で光が反射することで起こり、冬の間に約20回程度観察されることがありますが、完璧なだるまの形になるのはその中のわずか10回程度です。だるま太陽を観察するためのおすすめスポットには、宿毛湾（特に藻津地区、宿毛新港、咸陽島公園）や室戸市（東にだるま朝日、西にだるま夕日を臨むことができる場所）があります。この自然の神秘を感じる素晴らしい機会を逃さないためには、日没の30分前には現地に到着することが推奨されています。だるま夕日を見るベストシーズンは、11月中旬から2月中旬にかけての冬季で、この期間中、11月から1月は17:00頃、2月は17:30頃に観察できます。よく晴れた日で、大気と海水の温度差が大きい日に観察できるこの現象は非常に珍しく、適切な気象条件が揃わないと見ることができませんが、この時期に訪れることで観察できる可能性が最も高くなります。