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作者 : 游乃華 6528

極地. 作者 : 游乃華 6528. 環境氣候特徵. 1. 世界上氣溫最低的地方:   南極大陸的日照強度頗大,但是因太陽輻射能量中約有百分之八十被雪白的冰雪反射掉,又加上大陸標高較高所以即使在最暖月,海岸地帶平均氣溫仍為攝氏 0℃ 左右,內陸地帶更低到攝氏零下二十至三十度;在最冷月,海岸地帶平均氣溫降為攝氏零下二十至三十度,內陸地帶降為攝氏零下四十到七十左右。

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作者 : 游乃華 6528

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  1. 極地 作者:游乃華6528

  2. 環境氣候特徵 • 1.世界上氣溫最低的地方: •   南極大陸的日照強度頗大,但是因太陽輻射能量中約有百分之八十被雪白的冰雪反射掉,又加上大陸標高較高所以即使在最暖月,海岸地帶平均氣溫仍為攝氏 0℃左右,內陸地帶更低到攝氏零下二十至三十度;在最冷月,海岸地帶平均氣溫降為攝氏零下二十至三十度,內陸地帶降為攝氏零下四十到七十左右。 • 2.南極的特殊氣象--西風帶(南緯四十度到六十度)所謂的西風帶,就是在副熱帶高壓帶與副極地低壓帶之間,大氣主要向東運動的地帶。其西風的威力一般在四到六級,七級以上的大風出現頻率30%。有時,驟然形成的風暴時速可達三十節,相當於颱風級的氣旋。

  3. 生物

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