Search results for paleo indians

Earth Sciences Mar 4, 2024

Mantle convection linked to seaway closure that transformed Earth's oceanographic circulation patterns

Continental drift is a concept familiar to many, referencing the movement of Earth's continents due to shifting tectonic plates over millions of years, splitting one globe-spanning supercontinent into the configuration we ...

Earth Sciences Nov 9, 2023

Global warming–induced sea level changes could increase earthquake risk

Earthquakes often occur along plate boundaries, when sudden movements of the "stuck" plates release elastic strain energy, sending out seismic waves that result in the ground shaking familiar to many worldwide. More rarely, ...

Earth Sciences Jul 27, 2023

600-million-year-old ocean water from Himalayas provides clues to Earth's past

High up in the Himalayas, scientists at the Indian Institute of Science (IISc) and Niigata University, Japan, have discovered droplets of water trapped in mineral deposits that were likely left behind from an ancient ocean ...

Earth Sciences Jan 19, 2023

Malformed seashells, ancient sediment provide clues about Earth's past

Nearly 100 million years ago, the Earth experienced an extreme environmental disruption that choked oxygen from the oceans and led to elevated marine extinction levels that affected the entire globe.

Earth Sciences Aug 11, 2022

Exploring the timing and mechanism of Tibetan Plateau uplift

A research team led by Prof. Ding Lin from the Institute of Tibetan Plateau Research of the Chinese Academy of Sciences has systematically explained the differential uplift process and its related deep dynamic mechanism of ...

Earth Sciences Jul 6, 2022

Climate evolution in the Southeast Indian Ocean during the Miocene

The Miocene, 23 to 5 million years ago, was an important period for the formation of the Antarctic ice sheets (AIS). The mid-latitudes in the southern hemisphere are the area where the westerlies prevailed and the climate ...

Environment Mar 3, 2022

Combining tree rings, rainfall, streamflow records to reconstruct Daly River's climatic history

Plans to allocate water from the Northern Territory's (NT) Daly River to cotton plantations could be based on overly optimistic expectations about streamflow, a new study of tree rings in the area has found.

Earth Sciences Feb 28, 2022

Indian Ocean warming could weaken summer monsoon rainfall in South Asia

The South Asian monsoon, also known as Indian summer monsoon (ISM), is crucial for the food security and socioeconomic well-being of 40% of the world's population. From a historical perspective, fluctuations in monsoon rainfall ...

Earth Sciences Feb 10, 2022

Researchers reveal evolution of Central Tibetan Valley

A new study led by Prof. Ding Lin from the Institute of Tibetan Plateau Research (ITP) of the Chinese Academy of Sciences has revealed the evolution of the Central Tibetan Valley, which may shed light on the formation of ...

Earth Sciences Sep 24, 2021

Himalayan hydropower 'clean but risky,' warn scientists

With its steep topography and abundant water resources the Himalayas offer sustainable, low-carbon hydropower for energy-hungry South Asia. But there is a catch—the mountain range falls in one of the world's most seismically ...

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