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The MLS SO2 Product

Contact: William Read


Basic Information
MLS can measure SO2 injected into the upper troposphere and lower stratosphere by explosive volcanoes. Starting with its reaction with OH, SO2 is converted into sulfate aerosol which can impact climate.
The SO2 Molecule
 SO2 molecule visualization


How it is part of MLS Science Objectives


The study of Earth's climate is an MLS science objective. Volcanic SO2 is converted to sulfate aerosol which can impact climate.



SO2 Information fromt he Spectroscopy Database


Quick Product Information for data version v3.3

  • Swath Name: SO2
  • Vertical Resolution: 3km
  • Useful Range: 215 - 10 hPa
  • DAAC Short Name: ML2SO2
  • Precision: 3.0 - 3.8 ppbv
  • Quality Threshold: 0.6


v3.3 SO2 Averaging Kernel
SO2 averaging kernel diagrams

colored lines are individual kernels; thick dashed line is full width at half maximum, thick solid is integrated kernel value

Publications related to the MLS SO2 data product

2010

  1. Massie, S.T., "HIRDLS and CALIPSO observations of tropical cirrus", vol doi:10.1029/2009JD012100, num 114, 2010. Preprint

2006

  1. Cofield, R.E., "Design and field-of-view calibration of 114-660 GHz optics of the Earth Observing System Microwave Limb Sounder", num 44, pgs. no. 5, 2006. Preprint

1993

  1. Read, W.G., "Microwave Limb Sounder (MLS) measurements of SO2 from Mt. Pinatubo volcano", num 20, 1993. Reprint Preprint




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