National Aeronautics and Space Administration (NASA)
Location
Hampton, VA | United States
Job description
Description
Description:
NASA Langley Research Center has developed the facility class High Altitude Lidar Observatory (HALO), an advanced multi-function airborne lidar for profile measurements of water vapor, column and profile measurements of methane, and profile measurements of aerosol/cloud optical properties using the DIfferential Absorption Lidar (DIAL) and High Spectral Resolution Lidar (HSRL) techniques, respectively. HALO was developed to address the observational needs of the NASA Earth Science Division Weather and Atmospheric Dynamics, Carbon Cycle, Atmospheric Composition and Radiation Science focus areas. As such, HALO routinely deploys on different NASA aircraft in support of domestic and international field campaigns. Many of the campaigns are flown with other in situ and remote sensors including multi-frequency doppler radar, doppler lidar, microwave radiometers, dropsondes, and visible and near infrared spectrometers. The data sets acquired offer extensive and unique opportunities to study the influence of water vapor and aerosols on weather systems and the formation of clouds as well as for the study of the increasingly important role of biogenic and anthropogenic methane emissions in the carbon cycle . They also provide opportunities to investigate combined active-passive retrievals of water vapor and temperature profiles with airborne and space-based hyperspectral infrared sounders where airborne DIAL observations can be utilized to improve the accuracy and increase the vertical resolution of infrared sounders.
An opportunity exists for qualified candidates to participate in the airborne HALO activities that include evaluating instrument performance and data quality, developing new algorithms or approaches to derive new atmospheric data products (water vapor, methane, and or aerosol/cloud observations), and scientific analyses of data sets from the lidars alone or in conjunction with other field data or coincident satellite remote sensing data. Candidates may work with past data sets or deploy with the LaRC team on future field campaigns to participate in real-time data acquisition, post flight data analyses, and scientific studies with participating instrument and modeling teams. In addition, candidates may focus specifically on instrument development efforts in, e.g., lasers, detectors, and advanced instrumentation techniques. Candidates with prior experience in lidar data analysis and system design/operation are preferred. Candidates with interest in linking water vapor and or methane observations to modeling activities are also encouraged to apply.
Field of Science: Earth Science
Advisors: Amin Nehrir
[email protected]
(757) 864-6107
Eligibility is currently open to:
Eligibility Requirements
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