Continuous Lidar Monitoring of Polar Stratospheric Clouds at the South Pole

• Main Authors: Campbell, James R., Welton, Ellsworth J., Spinhirne, James D.
• Other Authors: NAVAL RESEARCH LAB MONTEREY CA
• Format: Text
• Language: English
• Published: 2009
• Subjects: Atmospheric Physics; Meteorology; Physical Chemistry; Radiation and Nuclear Chemistry; Optical Detection and Detectors; *SUNRISE; *OPTICAL RADAR; *STRATOSPHERE; *ANTARCTIC REGIONS; *CLOUDS; *OZONE DEPLETION; *MONITORING; CATALYSIS; SULFATES; NITRIC ACID; OZONE LAYER; REMOTE DETECTION; CHLORINE; BROMINE; WATER VAPOR; NITRATES; CONCENTRATION(COMPOSITION); TEMPERATURE GRADIENTS; SEASONAL VARIATIONS; SATURATION; DESTRUCTION; PHOTOLYSIS; AEROSOLS; REPRINTS; *POLAR STRATOSPHERIC CLOUDS; *SOUTH POLE; *OZONE HOLES; MPLNET(MICROPULSE LIDAR NETWORK INSTRUMENT); HALOGEN ATOMS; OZONE DESTRUCTION; DENITRIFICATION; POLAR VORTEX; ATTENUATED SCATTERING RATIOS; DEHUMIDIFICATION; CLOUD OCCURRENCE; Amundsen Scott South Pole Station; Amundsen-Scott; Amundsen-Scott South Pole Station; Antarctic; Austral; South Pole; The Antarctic; Antarc*; Antarctica; South pole
• Online Access: http://www.dtic.mil/docs/citations/ADA513423; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA513423

Polar stratospheric clouds (PSC) play a primary role in the formation of annual "ozone holes" over Antarctica during the austral sunrise. Meridional temperature gradients in the lower stratosphere and upper troposphere, caused by strong radiative cooling, induce a broad dynamic vortex cent...