未解決的地球科学問題
维基媒体列表条目
早期的地球和太阳系
地形和环境
- 现在广泛提供的地形数据能否用来推导出过去的构造和气候条件(在几百万年的范围内)?
- 我们对侵蚀和运输过程有足够的了解吗?
- 气象和构造事件的随机性是否反映在景观中?生命对塑造地球表面有多大贡献?
- 渗透或向源侵蚀等经典地貌学概念能否定量理解? 阿巴拉契亚山脉或乌拉尔山脉等古老山脉似乎在 >108 年内保持地势,而自新近纪以来,南极洲下的冰下河谷在千米厚的移动冰层下得以保存。 是什么控制了地形衰减的时间尺度?[5]
- 是什么支配地球表面演变的侵蚀和运输规律?[6]河流运送的沉积物颗粒既是侵蚀的工具,也是保护基岩的盾牌。沉积物的这种双重作用对环境的演变有多重要?[7][8]
- 海洋对化学污染的复原力如何?
- 是什么控制了风暴轨迹的时态变化?[9]
参考文献
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