Abstract: The mass-normalized dissolution rates measured in this study demonstrate that hisingerite and Fe-substituted allophane dissolve…
Author: New NASA STI
Mobile/Modular BSL-4 Facilities for Meeting Restricted Earth Return Containment Requirements
Abstract: NASA robotic sample return missions designated Category V Restricted Earth Return by the NASA Planetary…
ICAROUS: Integrated Configurable Architecture for Unmanned Systems
Abstract: NASA's Unmanned Aerial System (UAS) Traffic Management (UTM) project aims at enabling near-term, safe operations…
Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements
Abstract: A global, monthly averaged time series of Sun-induced Fluorescence (SiF), spanning January 2007 to June…
Accounting for the Effects of Surface BRDF on Satellite Cloud and Trace-Gas Retrievals: A New Approach Based on Geometry-Dependent Lambertian-Equivalent Reflectivity Applied to OMI Algorithms
Abstract: Most satellite nadir ultraviolet and visible cloud, aerosol, and trace-gas algorithms make use of climatological…
Characterize Aerosols from MODIS MISR OMI MERRA-2: Dynamic Image Browse Perspective
Abstract: Among the known atmospheric constituents, aerosols still represent the greatest uncertainty in climate research. To…
Information Content of Bistatic Lidar Observations of Aerosols from Space
Abstract: We present, for the first time, a quantitative retrieval error-propagation study for a bistatic high…
Advanced Noise Control Fan: A 20-Year Retrospective
Abstract: The ANCF test bed is used for evaluating fan noise reduction concepts, developing noise measurement…
Testing Installed Propulsion For Shielded Exhaust Configurations
Abstract: Jet-surface interaction (JSI) can be a significant factor in the exhaust noise of installed propulsion.…
Range and Endurance Tradeoffs on Personal Rotorcraft Design
Abstract: Rotorcraft design has always been a challenging tradeoff among overall size, capabilities, complexity, and other…