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Environment/Climate Programs & Projects

(showing 31 - 45 of 47)
Applied spectroradiometry and imaging metrology
Last Updated Date: 10/02/2012

Spectroradiometers are widely used for acquiring colorimetric, photometric, and radiometric quantities with a single measurement for a variety of … more

Assessing the Internal Structure and Composition of Climatically-Relevant Atmospheric Particles
Last Updated Date: 10/02/2012

Atmospheric particles with long atmospheric lifetimes affect Earth's radiative balance. These particles typically consist of multiple chemical … more

Trophic Transfer of Nanoparticles in a Simplified Invertebrate Food Web
Last Updated Date: 10/02/2012

We demonstrated that carboxylated and biotinylated quantum dots (QDs) can be transferred to higher trophic organisms (rotifers) through dietary … more

Microcryocooler for Terahertz Detectors
Last Updated Date: 10/01/2012

NIST and the University of Colorado have been funded since April, 2006, by DARPA to develop a microcryocooler with a volume less than about 4 cm 3 … more

International Standards on the Properties of Water
Last Updated Date: 10/01/2012

Researchers in the Thermophysical Properties Division of CSTL played a leading role in the development of several new international standards for … more

Real Fuels
Last Updated Date: 10/01/2012

This programs is aimed at determining the fundamental chemical and physical properties of the large organic compounds in fuels related to their … more

Spectroscopic Measurements of Atmospheric Gases for Monitoring Greenhouse Gases
Last Updated Date: 10/01/2012

Climate scientists are developing a new generation of spectrometers for the NASA-sponsored inventory of atmospheric greenhouse gases, most notably … more

Nanoparticle Distribution in the Natural Environment
Last Updated Date: 10/01/2012

Given the substantial differences between nanoparticles (NPs) and typical organic and inorganic environmental contaminants, new methods and … more

Reference Materials and Standards for Fossil Fuels, Electric Utility Emissions, and Coal Combustion By-Products
Last Updated Date: 10/01/2012

National Institute of Standards and Technology (NIST) fossil fuel Standard Reference Materials (SRMs) continue to be in high demand by the … more

Fossil Fuel Standard Reference Materials
Last Updated Date: 10/01/2012

To support regulatory and industry requirements for reference materials and standards, NIST produces and maintains a large inventory of fossil … more

Activated Carbon and FGD Gypsum Standard Reference Materials
Last Updated Date: 10/01/2012

New Standard Reference Materials (SRMs) consisting of activated carbon sorbent materials and flue gas desulfurization (FGD) gypsum are being … more

Establishing Measurement Traceability for Gaseous Mercury Emissions Monitoring
Last Updated Date: 10/01/2012

As a result of the environmental impact of mercury and the neurotoxic risk associated with trophic transfer of methyl mercury to humans, the … more

Development of Standards for the World Meteorological Organization, Global Atmosphere Watch Program
Last Updated Date: 10/01/2012

The presence of hydrocarbons in the atmosphere has become important to climate change assessment studies due to their role as precursors to ozone … more

Measurements and Standards to Support Global Climate Change Studies
Last Updated Date: 10/01/2012

Much of the world's assessment and critical evaluation of currently available data on contributions to climate change comes from the … more

Aperture area measurements
Last Updated Date: 11/03/2011

Radiometric and photometric measurements require defining apertures. The accuracy to which these measurements can be accomplished requires … more

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