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Environment/Climate Portal - Overview
Through its partnerships with industry, government, and academia, NIST is helping to advance measurements and tools for environmental science, for example by calibrating the sensors of climate-mapping satellites and detecting ever more minute quantities of toxins and pollutants in our air, soil, water, and blood.
Programs and Projects
Water Measurement Science
The Material Measurement Lab provides measurements, standards, and data to ensure availability and sustainability of our water resources. MML … more
Field Parameter Metrology
Consider the consequences if nearby electronics could interfere with a jet's instruments or cause an automobile to stall. The Field Parameter … more
Fundamental Guided Wave Metrology
Radio-frequency (RF) waves and microwaves are involved with almost every facet of everyday life. Radio stations, television, wireless devices, … more
Fiber Sources and Applications
Optical frequency combs convert a laser source containing a single frequency of light into pulses that include thousands of frequencies. This … more
Femtosecond Laser Frequency Combs for Optical Clocks
We develop self-referenced mode-locked femtosecond lasers that function as the "gears" of optical clocks. The femtosecond laser clockwork is … more
Aperture area measurements
Radiometric and photometric measurements require defining apertures. The accuracy to which these measurements can be accomplished requires … more
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