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  Partner: UNT Libraries
 Serial/Series Title: USGCRP Seminar
Anthropogenic Ozone Depletion: Status and Human Health Implications, USGCRP Seminar, 13 November 1995.
In this USGRP Seminar, speakers answer the following questions: what is the status of the Earth's ozone layer? Is the Montreal Protocol working? How much time will be necessary for nature to restore the ozone layer? What are the human health effects of increased ultraviolet radiation associated with depletion of the ozone layer? Who is at risk? digital.library.unt.edu/ark:/67531/metadc11841/
Signals of Human-induced Climate Warning, USGCRP Seminar, 10 October 1995.
There is increasing evidence that the global climate is changing: global temperatures have risen about 1 F over the past century, mountain glaciers are melting back, sea level is rising. But how is the climate of the United States changing? Are these changes like others being experienced around the world? Is the US climate becoming more or less variable? Are we having more or fewer climatic extremes? This USGCRP seminar addresses these questions in the context of the anthropogenic influences on atmospheric composition and climate digital.library.unt.edu/ark:/67531/metadc11840/
Hurricanes! USGCRP Seminar, 11 December 1995.
In this USGRP Seminar, speakers try to answers questions like:What is the current status of hurricane track prediction? What caused the record number of Atlantic tropical storms in 1995? Are we witnessing a change in the number and frequency of tropical storms? Do these storms represent a changing climate? What will tropical storms be like in a greenhouse warmer world? digital.library.unt.edu/ark:/67531/metadc11842/
Ice Core Records of Past Climate Changes: Implications for the Future, USGCRP Seminar, 18 September 1995.
This document provides a brief overview of Dr. Thompson's talk on records of changes in climate in general and the most significant implications of the ice core records of past climate changes in particular. Because climate processes that have operated in the past continue to operate today, ice core records are providing very valuable insights. Within the last two decades, long cores of glacial ice have been used to establish and improve the record of past changes in climate. Analysis of ice cores from Antarctica, Greenland and tropical and subtropical areas have provided a wealth of detailed information on past climate changes. As the ice in these glaciers and ice sheets grew over time, layer by layer, tiny pockets of air were trapped within each layer, preserving a continuous record of the natural changes in the concentrations of greenhouse and other gases. In addition, these ice cores have preserved indirect/proxy records of changes in temperature (which can be closely estimated from the isotopic record of oxygen trapped in the ice), in the concentration of windblown dust, and in volcanic activity. By combining this information, these ice cores have preserved a 200,000-year history of climate changes and factors contributing to these changes. digital.library.unt.edu/ark:/67531/metadc11839/
Floods and Drought, USGCRP Seminar, 8 May 1995.
In this USGCRP seminar, issues about the impact of drought and floods in the news and feel it in the cost of goods and services would be discussed. Each year seems to bring with it droughts or floods that cause billions of dollars in economic losses and untold societal disruption to major parts of our nation. (Drought in the Midwest in 1988 and in the Southeast in 1989. Floods in the Mississippi River Basin in 1992 and in California in 1994). Around the world the situation is the same, even worse in some instances. What causes these extreme events and conditions? Can we predict the occurrence of such events as a means of being prepared, and reducing the impacts of extreme climate events? Can we be better prepared? What success to date has there been in predicting such events? What's the prognosis? digital.library.unt.edu/ark:/67531/metadc11836/
Climate Change and Human Health, USGCRP Seminar, 10 July 1995.
In this USGRP Seminar, Dr. Epstein discusses the implications of climate change and the emergence of diseases and viruses such as the hantavirus, dengue fever, ebola, cholera, malaria, and eastern equine encephalitis. These signals of global change can be costly to health, commerce, tourism, and transportation. digital.library.unt.edu/ark:/67531/metadc11838/
Climate Models: How Certain are their Projections of Future Climate Change? USGCRP Seminar, 12 June 1995.
This document provide a brief overview of Dr. Eric J. Barron's talk on the results of the USGCRP-sponsored forum to evaluate the results of model simulations of climate change, a cross-section of leading climate and Earth system modelers and skeptics considered what is known with certainty, what is known with less certainty, and what remains uncertain. digital.library.unt.edu/ark:/67531/metadc11837/