Effects of Ocean Acidification and Warming on Corals (Laboratory Studies)
Most of the ocean acidification research conducted to date has focused solely on the biological impacts of declining seawater pH. Fewer studies have investigated the interactive effects of ocean acidification and temperature. This summary examines what has been learned in several of such studies for coral reefs, as reported in various laboratory-based studies on the topic. Contrary to what is widely assumed and reported, the studies reviewed here collectively reveal that many corals will remain unaffected by rising temperatures and atmospheric CO2 concentrations. Furthermore, in contrast to projections, some will likely experience growth and performance benefits.
Antarctic Sea Ice Trends
Noting that Antarctic sea ice may show high sensitivity to any anthropogenic-induced increase in temperature, Watkins and Simmonds (2000)1 analyzed temporal trends in different measures of the sea ice that surrounds Antarctica, using Special Sensor Microwave Imager data obtained from the Defense Meteorological Satellite Program for the nine-year period December 1987-December 1996, in search of the suspected signal. But contrary to what one would expect on the basis of climate model simulations, and especially in light of what climate alarmists of the day described as the unprecedented warming of the past quarter-century, the two scientists observed statistically significant increases in both sea ice area and extent; and when they combined their results with those of the preceding nine-year period (1978-1987), both parameters continued to show increases over that expanded time period. In addition, they found that the 1990s also experienced increases in the length of the sea-ice season.
Historic Trends in Global Sea Level
Periodically, individual scientists and groups of scientists analyze global sets of sea level data to see if there is any indication of a dramatic increase in the mean rate-of-rise of the global ocean surface in response to the supposedly unprecedented warming of the planet over the course of the 20th century and the initial phase of the 21st century, which latter phenomenon the world’s climate alarmists claim should be accelerating global sea level rise and leading to catastrophic coastal flooding throughout the world. Hence, we here provide a brief summary of the findings of several such studies that we have reviewed over the past several years.
Robert Ferguson, President
Science and Public Policy Institute
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