溫室效應大家都聽過吧?想像大氣層是一團巨大的棉被蓋在地球上,那就是溫室效應的狀態。它是一種自然現象,指地球表面接收到太陽的熱,並放射出熱,以維持能量的平衡。
然而,人類不斷排放大量「溫室氣體」,造成溫室效應加劇,導致「全球暖化」:就像是你身上蓋著棉被已經足夠溫暖,又被迫塞入一堆暖暖包。
但是,如果沒有溫室效應,全球平均溫度會比現在低很多,人類與多數生物也無法存活。
嘿,問題來了,記得上次的甄選考試,考官請我把溫室氣體全列出來,結果我只記得牛放屁會排放「甲烷」,其他的我全忘光了,哈哈! 透過操作展品跟複習說明文,我才知道溫室氣體在大氣中的壽命都不一樣,甚至有一種叫「六氟化硫」的溫室氣體,可以存活3,200年,哇,也太久了吧!這裡還補充,二氧化碳的壽命為50到200年,雖然比六氟化硫還短,卻因為驚人的排放量,有著不容小覷的增溫效果!
自從工業革命後,雖然科技發展快速,但人類製造的溫室氣體量也年年飆升,全球暖化問題也越來越嚴重了,唉!
You have all heard of the greenhouse effect. Imagine the atmosphere as a giant quilt covering the Earth; that's the idea of the greenhouse effect. It is a natural phenomenon where the Earth's surface receives heat from the sun and emits heat back to maintain an energy balance.
However, human activities emit a lot of "greenhouse gases", causing the greenhouse effect to intensify and leading to "global warming". It's like you are warm with a quilt, but you are also stuffing the quilt with many heat packs.
Yet, without the greenhouse effect, the global average temperatures would be much lower, and they would be too low for most living organisms to survive.
Hey, here comes the question. During the last selection test, the examiner asked me to list all the greenhouse gases, but all I remembered was that cow farts emits "methane" gas. I forgot everything else! (laughs)
Through operating the exhibiting models and by reviewing the explanatory texts, I learned that different greenhouse gases have different lifespans in the atmosphere. There is a greenhouse gas called "sulfur hexafluoride" that stays for 3,200 years. Wow, that's way too long! It is also stated here that the lifespan of carbon dioxide is from 50 to 200 years. Although it is much shorter than that of sulfur hexafluoride, its contribution to global warming cannot be underestimated because of the huge amount of emissions!
Ever since the Industrial Revolution, with the rapid development of science and technology, the amount of greenhouse gases produced by humans has soared year by year, and alas, the problem of global warming has also become more and more serious! (sigh)
咱來到這个研究「溫室氣體」ê所在。其實,產生「溫室氣體」無完全是䆀代。你敢知?太陽逐工炤來地球的,有看會著的日頭光佮看袂著的輻射(hok-siā)。輻射本身嘛有jia̍t-lîng,咱ê大氣層敢若是棉襀被,kā一寡能量留tī地球,其他--ê反射轉去宇宙(ú-tiū)。能量有一部份會hōo地表來吸收,致使平均溫度維持 tī 人類適合生存ê範圍,這就是新奇ê「溫室效應(un-sik hāu-ìng)」
自工業革命以來,咱排放(pâi-hòng)傷過濟ê溫室氣體,親像kā地球蓋(kah)幾若領棉襀被。溫室效應傷過厲害,地球mā愈來愈jua̍h。水氣是溫室氣體當中比例上懸煞無啥人注意著的氣體。每一種溫室氣體有無仝特性,hōo氣溫上升ê程度無仝,這叫做「升溫特性」。雖然二氧化碳(jī-ióng-huà-thuànn)升溫特性毋是上厲害--ê,毋過因為咱大量排放ê關係,所以二氧化碳tuì溫室效應ê影響上濟。
Tī你ê倒手爿有一ê攏是疑問號ê牌仔,頂懸所寫ê就是咱定聽著--ê「溫室氣體」ê種類,掀(hian)看覓,就通了解產生遮ê氣體上主要的原因,若有基本ê認捌,食著藥,青草一葉。