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The Maya and Climate Change
"The Classic Maya civilization thrived between 200-950 CE in the tropical forests of eastern Mesoamerica before undergoing a period of breakdown and transformation known colloquially as the Classic Maya Collapse. This book draws on archaeological, environmental, and historical datasets to provide a comprehensive overview of Classic Maya human-environment relationships, including how communities addressed challenges wrought by climate change. Researchers today understand that the breakdown of Classic Maya society was the result of many long-term processes. Yet the story that continues to grip the public imagination is that Maya civilization mysteriously "collapsed." This book shifts the focus...
Air Force Register
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Ancient Mesoamerican Population History
"This book critically re-examines Mesoamerican archaeological approaches to estimating populations associated with ancient cities, settlement systems, and regions. Archaeological data and lidar are both employed to demonstrate how complex ancient Mesoamerican societies were and how they changed over time"--
Deforesting the Earth
Since humans first appeared on the earth, we've been cutting down trees for fuel and shelter. Indeed, the thinning, changing, and wholesale clearing of forests are among the most important ways humans have transformed the global environment. With the onset of industrialization and colonization the process has accelerated, as agriculture, metal smelting, trade, war, territorial expansion, and even cultural aversion to forests have all taken their toll. Michael Williams surveys ten thousand years of history to trace how, why, and when human-induced deforestation has shaped economies, societies, and landscapes around the world. Beginning with the return of the forests to Europe, North America, ...
Fair Weather
Decades of evolving U.S. policy have led to three sectors providing weather servicesâ€"NOAA (primarily the National Weather Service [NWS]), academic institutions, and private companies. This three-sector system has produced a scope and diversity of weather services in the United States second to none. However, rapid scientific and technological change is changing the capabilities of the sectors and creating occasional friction. Fair Weather: Effective Partnerships in Weather and Climate Services examines the roles of the three sectors in providing weather and climate services, the barriers to interaction among the sectors, and the impact of scientific and technological advances on the weather enterprise. Readers from all three sectors will be interested in the analysis and recommendations provided in Fair Weather.
Geoscience Data and Collections
Geoscience data and collections (such as, rock and sediment cores, geophysical data, engineering records, and fossils) are necessary for industries to discover and develop domestic natural resources to fulfill the nation's energy and mineral requirements and to improve the prediction of immediate and long term hazards, such as land slides, volcanic eruptions and global climate change. While the nation has assembled a wealth of geoscience data and collections, their utility remains incompletely tapped. Many could act as invaluable resources in the future but immediate action is needed if they are to remain available. Housing of and access to geoscience data and collections have become critica...
Safety is Seguridad
Approximately 32.8 million persons of Hispanic descent live in the United States, half of whom were born outside the United States (Therrien and Ramirez, 2000). By the year 2050, it is expected that Hispanics will constitute more than 25 percent of the total U.S. population and approximately 15 percent of the U.S. labor force. These estimates and the fact that 90 percent of Hispanic American men and 60 percent of Hispanic American women participate in the U.S. workforce strongly suggest a need for occupational safety and health information in Spanish. The growing presence of Spanish-speaking workers and employers in the United States and the unprecedented 12-percent increase in the overall r...
Government Data Centers
Environmental data centers have been successfully acquiring, disseminating, and archiving data for decades. However, the increasing volume and number of data sets, coupled with greater demands from more diverse users, are making it difficult for data centers to maintain the record of environmental change. This workshop report focuses on technological approaches that could enhance the ability of environmental data centers to deal with these challenges, and improve the ability of users to find and use information held in data centers. Among the major findings are that data centers should rely more on off-the-shelf technology-including software and commonly available hardware-and should shift from tape to disk as the primary storage medium. Such technological improvements will help solve many data management problems, although data centers and their host agencies will have to continue to invest in the scientific and human elements of data center operations.
National Spatial Data Infrastructure Partnership Programs
The National Spatial Data Infrastructure (NSDI) was envisioned as a way of enhancing the accessibility, communication, and use of geospatial data to support a wide variety of decisions at all levels of society. The goals of the NSDI are to reduce redundancy in geospatial data creation and maintenance, reduce the costs of geospatial data creation and maintenance, improve access to geospatial data, and improve the accuracy of geospatial data used by the broader community. At the core of the NSDI is the concept of partnerships, or collaborations, between different agencies, corporations, institutions, and levels of government. In a previous report, the Mapping Science Committee (MSC) defined a ...
Review of NOAA's National Geophysical Data Center
The report reviews the National Geophysical Data Center (NGDC) and assesses how well the center is managing its holdings, serving its users, and supporting NOAA's mission. It concludes that NGDC is the natural place within NOAA and the nation for stewardship and dissemination of data related to the solid Earth and space environment. These subject areas are also relevant to NOAA's new priority on integrated environmental approaches. For NGDC to fulfill its potential, however, it must first rearticulate its mission and overcome some solvable problems, including obtaining effective feedback from its users and organizing the center to eliminate parallel activities and reduce scientific isolation among the divisions.
