Food Production

The Mohole Project

In 1957 Roger and I were among a group that called themselves the American Miscellaneous Society (AMSOC). AMSOC promoted an attempt to drill through the ocean floor into the Earth's mantle. A test off Guadalupe Island successfully drilled through 200 m of sediments into the basalt in water 4,000 m deep, demonstrating the feasibility of dynamic positioning. This MOHOLE project (Fig. 3) eventually failed because of poor Washington management but led some years later to the successful Ocean...

Climate change and carbon dioxide An introduction

Scripps Institution of Oceanography, 10666 North Torrey Pines Road, La Jolla, ca 92037 Since the dawn of history, human beings have had the ability, superior to ail other living beings, to exploit the Earth's environment to their own immediate advantage. For most of human history the consequences were only of local or regional significance. Over the past century, however, the rapid rise in population and the increasing intensity and scale of human enterprises have made it possible for humans to...

Equilibration of the terrestrial water nitrogen and carbon cycles

(climate ecosystems global change nitrogen use efficiency resource use efficiency) David S. Schimel*, B. H. Braswell* and W. J. Parton 'National Center for Atmospheric Research. P.O. Box 3000, Boulder. CO 80307-3000 Institute for Earth, Oceans and Space, University of New Hampshire, Durham, NH 03824 and Natural Resource Ecology Laboratory, Colorado State University, Fort Collins CO 80523 ABSTRACT Recent advances in biologically based ecosystem models of the coupled terrestrial, hydrological,...