Sediment core MS27PT from the Nile delta provides key paleoclimate data for the Giza region. Scientists identified three major humid periods: the Last Glacial Maximum (22.5-20.5 ka), Heinrich stadial 1's wet phase (16-14.5 ka), and the early Holocene (11.5-6 ka). The earlier cold humid periods during glacial cycles appear to best match the semi-arid conditions that could have produced the Sphinx's water erosion features.
Nile delta paleoclimate data reveals three humid periods
EgyptTheory
Site mentioned
Key facts
- Sediment core MS27PT is closest to Nile delta providing paleoclimate data for Giza
- Three humid periods identified: Last Glacial Maximum (22.5-20.5 ka), HS1 second phase (16-14.5 ka), early Holocene (11.5-6 ka)
- Heinrich stadial 1 had two phases: dry 17.5-16 ka followed by wet 16-14.5 ka
- Last Glacial Maximum humid period was colder and less humid than Holocene
- Earlier cold humid periods better fit semi-arid conditions for Sphinx erosion
Sources
Holocene climate change and its influence on early agriculture in ...researchgate.net
The freshwater algae, ferns, and fungi, associated with wet environments, indicate a wetter climate setting before 7.0 ka followed by a drying climate towards ...
Sediment core reveals 10,800 years of precipitation history in the ...phys.org
The last of these so-called African Humid Periods occurred between 14,800 and 5,500 years ago. It is known from geological and archaeological ...
Co-variations of climate and silicate weathering in the Nile Basin ...researchgate.net
The reliability of the sediment core MS27PT in monitoring past Nile ... Our study is based on three sediment cores spanning the last 10 thousand years (10 ...
[PDF] Deoxygenation dynamics on the western Nile deep-sea fan duringcp.copernicus.org
Ocean deoxygenation is a rising threat to marine ecosystems and food resources under present climate warming. 17 conditions. Organic-rich sapropel layers ...
nile river basin: Topics by Science.govscience.gov
This report provides a comprehensive analysis of the state of surface-water/groundwater interaction from the headwater to the Nile Delta region. Piezometric and ...
Was this story useful?
Keep exploring
Every site on this page sits on the globe, and the people who research them are on the Discord.
3D Globe · Sites by country · Story Archive · Research Library · Weekly Journal · Search
AI-generated text · images from the original sources · always verify with the sources.