![]() | Reefs at Risk |
June 1997 | Table of Contents | Volume 42 | Number 6 |
POLITICAL
SCENE
Scientific Databases Caught In Copyright
Web
David Applegate
Gauging the Health of the World's Coral
Reefs: Monitoring vs. Mapping
by Robert N. Ginsburg
From Southeast Asia to South Florida, coral reefs show signs of decline.
Growing concern about the health of the world's reefs has mobilized the
international scientific community. What can geology offer to the global
effort to assess the state of these ecologically and economically
valuable resources -- and preserve them for future generations?
Is Ward Valley Safe? A Point/Counterpoint Discussion
by
Howard Wilshire and John B. Robertson The controversy over Ward
Valley -- California's proposed disposal site for low-level radioactive
wastes -- continues. In this "Point/Counterpoint" exchange, Howard
Wilshire argues that serious technical questions about the site remain.
John B. Robertson counters that further tests and monitoring while work
proceeds could resolve these concerns; the real problem is social and
political opposition.
Paleoflood Hydrology in South Africa
by Peter K. Zawada Estimating the likelihood of floods in
semi-arid South Africa is no easy task; annual rainfall (and river flow)
can vary considerably from year to year and flood records are short or
nonexistent. But studying the physical evidence from past floods can
help hydrologists predict the probability and potential severity of
future flooding.