Progress with the Atmospheric Carbon Observations from Space (ACOS) Project in Preparation for the Orbiting Carbon Observatory (OCO-2)
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Engineering topics
Publications and source records attributed to Miller, C. E..
No abstract available
Precision requirements have been determined for the column-averaged CO2 dry air mole fraction (X(sub CO2)) data products to be delivered by the Orbiting Carbon Observatory (OCO). These requirements result from an assessment of the amplitude and spatial gradients in X(sub CO2), the relationship between X(sub CO2) precision and surface CO2 flux uncertainties calculated from inversions of the X(sub CO2) data, and the effects of X,,Z biases on CO2 flux inversions. Observing system simulation experiments and synthesis inversion modeling demonstrate that the OCO mission design and sampling strategy provide the means to achieve the X(sub CO2) precision requirements. The impact of X(sub CO2) biases on CO2 flux uncertainties depend on their spatial and temporal extent since CO2 sources and sinks are inferred from regional-scale X(sub CO2) gradients. Simulated OCO sampling of the TRACE-P CO2 fields shows the ability of X(sub CO2) data to constrain CO2 flux inversions over Asia and distinguish regional fluxes from India and China.
Rate coefficients for the reaction HO(sub 2)+ NO(sub 2) + N(sub 2) --> HO(sub 2)NO(sub 2) + N(sub 2) (reaction 1) were measured using simultaneous near-IR and UV spectroscopy from 220 to 298 K and from 45 to 200 Torr.
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Hyperfine spectrum analysis of NaCl at low field using molecular beam electric resonance method, discussing Hamiltonian function representation
Proton spin-lattice relaxation time in dilute liquid and gas solutions of orthohydrogen in parahydrogen, noting dependence on temperature, density and composition
Biological properties of water-soluble xenon compounds are the moderate toxicity of these substances, their rapid decomposition in the body, the speed with which the xenate appeared to be reduced to xenon gas, and the very rapid elimination of this gas from the body.
Cryogenic fluid mass flow measurement methods, noting flow meter calibration
Electromechanical densitometer continuously measures the densities of either single-phase or two-phase flowing cryogenic fluids. Measurement is made on actual flow. The instrument operates on the principle that the mass of any vibrating system is a primary factor in determining the dynamic characteristics of the system.
Energy exchange mechanism of cryogenic sensor dynamic behavior, noting error sources
Cryogenic sensor errors in measuring transient temperature in cryogenic fluids
Measuring density of single and two-phase cryogenic fluids in rocket fuel tanks
Cryogenic fluid mass flow measurement methods, noting flow meter calibration
Flow patterns observed and torque and angular velocity measured to study velocity field induced in Newtonian liquid by rotating cone
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