回复4楼:
Global mean sea level has risen about 8–9 inches (21–24 centimeters) since 1880, with about a third of that coming in just the last two and a half decades. The rising water level is mostly due to a combination of meltwater from glaciers and ice sheets and thermal expansion of seawater as it warms.
https://www.climate.gov/news-features/understanding-climate/climate-change-global-sea-level
看不懂英文就给你翻译一下,从1880年到现在,海平面上涨了21-24厘米。其中7-8厘米是过去25年内上涨的。换句话说,上涨的速度在加快。