Related topics: climate change · ocean

Hydrology controls lithium isotopes in rivers and seawater

Seawater lithium isotopes (δ7Li) record changes over Earth history, including a ~9‰ increase during the Cenozoic, which is interpreted as the reflection of either a change in continental silicate weathering rate or weathering ...

Researchers use bacteria to enhance concrete resistance

Concrete, with its low cost, good compressive strength, and manufacturing convenience, is one of the most widely used materials in construction. However, with accelerating urbanization, natural aggregates for mixing with ...

The first stages of DNA evolution

One fundamental question in the field of the Origin of Life is how the first molecules of DNA replicated and evolved on the primordial Earth, more than 4 billion years ago. Before the emergence of the first cells or any other ...

Glaciers a common thread throughout new UN climate report

Glaciers appear in many chapters and sections of the latest report from the Intergovernmental Panel on Climate Change (IPCC), titled the Working Group II report of the IPCC's Sixth Assessment. Released on 28 February, it ...

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Water cycle

The water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the water cycle is truly a "cycle," there is no beginning or end. Water can change states among liquid, vapor, and ice at various places in the water cycle. Although the balance of water on Earth remains fairly constant over time, individual water molecules can come and go.

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