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HSRL

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hsrl: High Spectral Resolution Lidar

High spectral resolution lidar (HSRL) systems collect data about clouds and aerosols.

These systems provide vertical profiles of optical depth, backscatter cross-section, depolarization, and backscatter phase function. All HSRL measurements are absolutely calibrated by reference to molecular scattering, which is measured at each point in the lidar profile.

Like the Raman lidar, but unlike simple backscatter lidars such as the micropulse lidar, the HSRL can measure backscatter cross-sections and optical depths without prior assumptions about the scattering properties of the atmosphere. The depolarization observations also allow robust discrimination between ice and water clouds. In addition, rigorous error estimates can be computed for all measurements. A very narrow, angular field of view reduces multiple scattering contributions. The small field of view, coupled with a narrow optical bandwidth, nearly eliminates noise due to scattered sunlight.

ARM operates two HSRL systems, one at the Barrow North Slope of Alaska (NSA) site and the other in the second ARM Mobile Facility (AMF2), which is deployed at various locations on field campaigns.

Measurements

Aerosol backscattered radiation
Aerosol extinction
Aerosol optical depth
Backscatter depolarization ratio
Backscattered radiation

Locations

  • Fixed
  • AMF1
  • AMF2
  • AMF3

2019

Zhang D, A Vogelmann, P Kollias, E Luke, F Yang, D Lubin, and Z Wang. 2019. "Comparison of Antarctic and Arctic Single‐Layer Stratiform Mixed‐Phase Cloud Properties Using Ground‐Based Remote Sensing Measurements." Journal of Geophysical Research: Atmospheres, 124, 10.1029/2019JD030673. ONLINE.
Research Highlight

Silber I, A Fridlind, J Verlinde, A Ackerman, Y Chen, D Bromwich, S Wang, M Cadeddu, and E Eloranta. 2019. "Persistent Supercooled Drizzle at Temperatures below ‐25°C Observed at McMurdo Station, Antarctica." Journal of Geophysical Research: Atmospheres, , 10.1029/2019JD030882. ONLINE.
Research Highlight

Silber I, J Verlinde, S Wang, D Bromwich, A Fridlind, M Cadeddu, E Eloranta, and C Flynn. 2019. "Cloud Influence on ERA5 and AMPS Surface Downwelling Longwave Radiation Biases in West Antarctica." Journal of Climate, 32(22), 10.1175/JCLI-D-19-0149.1.

Kalesse H, T Vogl, C Paduraru, and E Luke. 2019. "Development and validation of a supervised machine learning radar Doppler spectra peak-finding algorithm." Atmospheric Measurement Techniques, 12(8), 10.5194/amt-12-4591-2019.

Liu Y. 2019. "Introduction to the Special Section on Fast Physics in Climate Models: Parameterization, Evaluation, and Observation." Journal of Geophysical Research: Atmospheres, 124(15), 10.1029/2019JD030422.

Mallet M, P Nabat, P Zuidema, J Redemann, A Sayer, M Stengel, S Schmidt, S Cochrane, S Burton, R Ferrare, K Meyer, P Saide, H Jethva, O Torres, R Wood, D Saint Martin, R Roehrig, C Hsu, and P Formenti. 2019. "Simulation of the transport, vertical distribution, optical properties and radiative impact of smoke aerosols with the ALADIN regional climate model during the ORACLES-2016 and LASIC experiments." Atmospheric Chemistry and Physics, 19(7), 10.5194/acp-19-4963-2019.

Silber I, J Verlinde, M Cadeddu, C Flynn, A Vogelmann, and E Eloranta. 2019. "Antarctic Cloud Macrophysical, Thermodynamic Phase, and Atmospheric Inversion Coupling Properties at McMurdo Station—Part II: Radiative Impact During Different Synoptic Regimes." Journal of Geophysical Research: Atmospheres, 124(3), doi:10.1029/2018JD029471.

Wagner T, P Klein, and D Turner. 2019. "A new generation of ground-based mobile platforms for active and passive profiling of the boundary layer." Bulletin of the American Meteorological Society, 100(1), 10.1175/BAMS-D-17-0165.1.

Albrecht B, V Ghate, J Mohrmann, R Wood, P Zuidema, C Bretherton, C Schwartz, E Eloranta, S Glienke, S Donaher, M Sarkar, J McGibbon, A Nugent, R Shaw, J Fugal, P Minnis, R Paliknoda, L Lussier, J Jensen, J Vivekanandan, S Ellis, P Tsai, R Rilling, J Haggerty, T Campos, M Stell, M Reeves, S Beaton, J Allison, G Stossmeister, S Hall, and S Schmidt. 2019. "Cloud System Evolution in the Trades (CSET): Following the Evolution of Boundary Layer Cloud Systems with the NSF–NCAR GV." Bulletin of the American Meteorological Society, 100(1), 10.1175/BAMS-D-17-0180.1.

2018

Stith J, D Baumgardner, J Haggerty, R Hardesty, W Lee, D Lenschow, P Pilewskie, P Smith, M Steiner, and H Vömel. 2018. "100 Years of Progress in Atmospheric Observing Systems." Meteorological Monographs, 59, 10.1175/AMSMONOGRAPHS-D-18-0006.1.

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