Why did we become so smart?
Humans are rather weak compared with many other animals. We are not particular fast and have no natural weapons. Yet Homo sapiens currently number nearly 7.7 billion and influenced almost […]
Category Archives: Seminar
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The Impact of the AMO on the Tropical Pacific
The Atlantic multidecadal oscillation (AMO) has been shown to play a major role in the multidecadal variability of the Northern Hemisphere, impacting temperature and precipitation, including intertropical convergence zone (ITCZ)-driven […]
Speleothem Fluid Inclusion Isotope Analysis: A Powerful Tool for Reconstructing the Climate of the Past
Speleothem oxygen isotope records from the Asian Monsoon (AM) region cover the last 640.000 years and are important to understand teleconnection patterns across the globe. The δ18O of speleothem calcite […]
Understanding the Indian Ocean Carbon Cycle variability via forward and inverse modeling methods
Indian Ocean exhibits complex biophysical interactions in response to the seasonally reversing monsoons winds. Direct observations and biogeochemistry modeling studies have been employed to parameterize these complex biogeochemical interactions in […]
Effect of aerosol on instability and convective clouds
The conventional understanding of aerosol-cloud interactions, so-called Twomey and Albrecht effects, only focuses on microphysical modifications of clouds by aerosol with no consideration of dynamic responses to aerosol. Numerous recent […]
Ice Ages, Interglacials and a 450ppm CO2 world
We argue for a pervasive link between cold climates and polar ocean stratification. In both the Subarctic North Pacific and the Antarctic Zone of the Southern Ocean, ice ages were […]
Climate and Societies
High-resolution paloeclimate reconstructions show a strong relationship between climatically induced changes in environmental conditions and social, political, and economic responses in several parts of the world during the past millennia. […]
A round Earth for Climate Models
Sunlight drives the Earth’s weather, climate, chemistry, and bio-sphere. Recent efforts to improve solar heating codes in climate models focused on more accurate treatment of the absorption spectrum or fractional […]
Measuring the tail of Stommel’s demon
It was noted long ago that the T-S properties of the main thermocline match those of the winter mixed layer rather than those of the annual mean state (Islin, 1939). […]
Global oceanic emissions of nitrous oxide to the atmosphere: from global patterns to regional-scale processes
Assessment of the global budget of nitrous oxide (N2O), a major greenhouse gas, is limited by poor knowledge of the oceanic N2O flux to the atmosphere, whose magnitude, variability, and […]