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2024-02-02
封面圖上這張2023年12 月相對于長期平均氣溫的快照顯示,熱量在東太平洋不斷堆積,這是厄爾尼諾現(xiàn)象的征兆。紅色區(qū)域比平均溫度更溫暖,而藍(lán)色區(qū)域則更涼爽。向西吹的信風(fēng)通常會(huì)攪動(dòng)秘魯海岸深處的冷水。但在厄爾尼諾現(xiàn)象期間,風(fēng)勢減弱,西太平洋的溫暖海水不斷向東涌來。
H e a t p i l e s u p i n t h eeastern Pacific Ocean-a signof El Ni?o-in this snapshotof temperatures in December2023 relative to the long-termaverage. Red areas are warmerthan average, whereas blueareas are cooler. West-blowingtrade winds usually stir up deep,cold water off Peru’s coast.But during El Ni?o, those windsfalter, allowing warm waters inthe western Pacific to roll east.
2024-02-09
封面插圖展示的是柑橘類水果的油脂腺,特別描繪了腺體發(fā)育的過程,以及存在于這些腺體中的精油。(剩余1701字)