Chicago Wetlands Shrank by 40% During the 20th Century

Convergence Acceleration During the 20th Century

Fire dynamics during the 20th century

Fire dynamics during the 20th century simulated by the Community Land Model S. Kloster, N. M. Mahowald, J. T. Randerson, P. E. Thornton, F. M. Hoffman, S. Levis, P. J. Lawrence, J. J. Feddema, K. W. Oleson, and D. M. Lawrence Earth and Atmospheric Sciences, Cornell University, Ithaca, NY, USA Department of Earth System Science, University of California, Irvine, CA, USA Climate and Ecosystem Pro...

Into the 20th Century

At the beginning of the 20th century descendants of the early European settlers who first colonized the coasts of Virginia, the Carolinas, and Georgia were established throughout the region. Most all of the native people had been displaced. Cotton was king. The mature forests were being . the southern world, wavered and then toppled. Demand for the South’s cotton declined due to new competition...

Freshening of the Ross Sea during the late 20th century.

Ocean measurements in the Ross Sea over the past four decades, one of the longest records near Antarctica, reveal marked decreases in shelf water salinity and the surface salinity within the Ross Gyre. These changes have been accompanied by atmospheric warming on Ross Island, ocean warming at depths of approximately 300 meters north of the continental shelf, a more negative Southern Oscillation...

Symposium: Accomplishments in Child Nutrition during the 20th Century Infant Mortality in the 20th Century, Dramatic but Uneven Progress

It is quite fitting for a symposium reviewing progress in infant nutrition in the 20th century to start with a review of infant mortality rates during that time period. Indeed, it has been a truism in public health that, within limits, the infant mortality rate of any community, large or small, reflected its general state of health better than any other single indicator. Although no longer vali...