Expert Reports

These reports are unique, authoritative expert evaluations. Each report is produced by a committee of experts selected by the Academy to address a particular statement of task and is subject to a rigorous, independent peer review.

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Showing results 1 - 5 of 834

Opportunities to Use Remote Sensing in Understanding Permafrost and Related Ecological Characteristics: Report of a Workshop (2014)

Climate change is causing the widespread thawing and degradation of permafrost, subsurface soil or rock that remains frozen for two or more consecutive years. Changes in permafrost could cause significant impacts—for example, by causing erosion that damages buildings, roads, or other infrastructure, by causing shifts in ecosystems, and by contributing large amounts of carbon to the atmosphere. Data are needed to observe and monitor permafrost... More >>

Performance Metrics for the Global Nuclear Detection Architecture (2013)

This report provides advice on how to better evaluate the performance and effectiveness of the Global Nuclear Detection Architecture, a worldwide network of sensors, telecommunications and personnel that serves to deter and detect attempts to unlawfully transport radiological or nuclear material. The Domestic Nuclear Detection Office within the Department of Homeland Security, together with several federal partners, is responsible for reportin... More >>

Abrupt Impacts of Climate Change: Anticipating Surprises (2013)

Both abrupt changes in the physical climate system and steady changes in climate that can trigger abrupt changes in other physical, biological, and human systems present possible threats to nature and society. Abrupt change is already underway in some systems, and large scientific uncertainties about the likelihood of other abrupt changes highlight the need for further research. However, with recent advances in understanding of the climat... More >>

Report in Brief

A Review of Genwest's Final Report on Effective Daily Recovery Capacity (EDRC): A Letter Report (2013)

Produced at the request of the U.S. Department of Interior Bureau of Safety and Environmental Enforcement (BSEE), this letter report reviews a report by Genwest Systems, Inc., that presents a new approach for estimating the efficiency of oil skimmers when preparing oil spill response plans. The National Research Council committee found the new approach -- called the Estimated Recovery System Potential (ERSP) -- to be sound and a good basis fo... More >>

Critical Aspects of EPA's IRIS Assessment of Inorganic Arsenic: Interim Report (2013)

This report reviews critical aspects of the scientific literature on inorganic arsenic and a draft plan by the U.S. Environmental Protection Agency (EPA) that describes how the agency will perform its Integrated Risk Information System (IRIS) assessment of the potential health effects of oral exposure to this chemical. The report finds that EPA's draft plan includes improved approaches for evaluating evidence and conducting analyses but shoul... More >>

Report in Brief