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Southward Migration of the Intertropical Convergence Zone Through the Holocene
- G. Haug, K. Hughen, D. Sigman, L. Peterson, U. Röhl
- Environmental Science, GeographyScience
- 17 August 2001
The Cariaco Basin record exhibits strong correlations with climate records from distant regions, including the high-latitude Northern Hemisphere, providing evidence for global teleconnections among regional climates.
Rapid changes in the hydrologic cycle of the tropical Atlantic during the last glacial.
Sedimentary time series of color reflectance and major element chemistry from the anoxic Cariaco Basin off the coast of northern Venezuela record large and abrupt shifts in the hydrologic cycle of the tropical Atlantic during the past 90,000 years, which supports the notion that tropical feedbacks played an important role in modulating global climate during the last glacial period.
Influence of the intertropical convergence zone on the East Asian monsoon
High-resolution records of the magnetic properties and the titanium content of the sediments of Lake Huguang Maar in coastal southeast China over the past 16,000 years are presented, using as proxies for the strength of the winter monsoon winds, to suggest that these migrations in the tropical rain belt could have contributed to the declines of both the Tang dynasty in China and the Classic Maya in Central America.
Synchroneity of Tropical and High-Latitude Atlantic Temperatures over the Last Glacial Termination
A rapid southward shift in the atmospheric intertropical convergence zone could account for the synchroneity of tropical temperature, atmospheric methane, and high-latitude changes during the Younger Dryas.
Rapid climate changes in the tropical Atlantic region during the last deglaciation
THE climate system is capable of changing abruptly from one stable mode to another1–3. Rapid climate oscillations—in particular the Younger Dryas cold period during the last deglaciation—have long…
On the Structure and Origin of Major Glaciation Cycles .2. the 100,000-year Cycle
Climate over the past million years has been dominated by glaciation cycles with periods near 23,000, 41,000, and 100,000 years. In a linear version of the Milankovitch theory, the two shorter cycles…
On the Structure and Origin of Major Glaciation Cycles 1. Linear Responses to Milankovitch Forcing
Time series of ocean properties provide a measure of global ice volume and monitor key features of the wind-driven and density-driven circulations over the past 400,000 years. Cycles with periods…
Climate and the Collapse of Maya Civilization
- G. Haug, D. Günther, L. Peterson, D. Sigman, K. Hughen, B. Aeschlimann
- Environmental ScienceScience
- 14 March 2003
A seasonally resolved record of titanium shows that the collapse of Maya civilization in the Terminal Classic Period occurred during an extended regional dry period, punctuated by more intense multiyear droughts centered at approximately 810, 860, and 910 A.D.
Variability in the mean latitude of the Atlantic Intertropical Convergence Zone as recorded by riverine input of sediments to the Cariaco Basin (Venezuela)
Links between tropical rainfall and North Atlantic climate during the last glacial period
The last glacial period was marked by dramatic climate fluctuations. Sediment records from the Cariaco Basin and the Arabian Sea suggest that cooling in the North Atlantic region was tightly coupled…