Fitting the Continents

The deep structure of continents

The Lehmann discontinuity at 220-km depth is an important global feature which occurs under both oceans and continents. It is a barrier to penetration by young lithosphere and marks the base of seismicity in regions of continent-continent collision. The strong lateral variation in upper mantle velocities occurs mainly above this depth. Continental roots extend no deeper than about 150-200 km. T...

Chapter 1 the Intimacies of Four Continents

My study investigates the often obscured connections between the emergence of Eu ro pean liberalism, settler colonialism in the Americas, the transatlantic African slave trade, and the East Indies and China trades in the late eigh teenth and early nineteenth centuries. In Cuban Counterpoint (1940), Fernando Ortiz described " peoples from all four quarters of the globe " who labored in the " new...

GPP extremes across continents

Introduction Conclusions References Tables Figures

The ShanghAI Lectures: Connecting Continents in Cyberspace

The ShanghAI Lectures project contributes to the fundamental goal of making education and knowledge accessible to a broad interdisciplinary and intercultural audience. Deploying state-of-the-art videoconferencing technology and three-dimensional virtual environments, the project enables students and researchers from all around the globe to learn and work together.

Two Continents , One Area : Eurasia