The causes of record-breaking ocean temperatures are also being?investigated. While an El Ni?o weather event was expected this year, it is not regarded as a?sufficient?explanation of the ocean temperature rises recorded since April. Heat is also thought to be causing oceans’ colour to change from blue to green, due to increased plankton. The situation is particularly?concerning?because we have relied on the oceans to absorb 90% of the heat trapped by?greenhouse?gases. Dr Bernadette Sloyan, a?marine?scientist in Australia, has compared their role to that of an air conditioner.

海洋溫度破紀錄的原因也在調查中。雖然今年預計會出現(xiàn)厄爾尼諾天氣事件，但它被認為不足以解釋自4月以來記錄的海洋溫度上升。由于浮游生物的增加，熱量也被認為是導致海洋顏色從藍色變?yōu)榫G色的原因。這種情況尤其令人擔憂，因為我們依賴海洋吸收90%的溫室氣體所捕獲的熱量。澳大利亞海洋科學家伯納黛特·斯洛揚博士將它們的作用比作空調。