The North Atlantic Oscillation (NAO) is the leading mode of atmospheric variability over the North Atlantic: a see-saw of sea-level pressure between the Icelandic Low and the Azores High. Its index is positive when both are stronger than average, so that the pressure difference between them is large, and negative when both are weaker.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা