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sensor: HIRDLS / MLS / OMI / TES
location: Africa / Americas / Antartica / Asia / Australia / Europe
category: Climate / Clouds / Ozone / Pollution
year: 2008 / 2007 / 2006 / 2005 / 2004

  Africa Observations
OMI & MLS Tropospheric Ozone maps
First global tropospheric maps show streams of tropospheric ozone crossing the oceans
OMI & MLS can estimate the tropospheric ozone residual by subtracting the MLS stratospheric ozone from OMI column ozone. These maps show pollution streaming from the U.S., Europe and China to the west in summer and pollution from biomass burning in the equatorial zone.
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MLS Sub-Visual Cirrus
First Maps of Sub-Visual Cirrus in the Upper Tropical Troposphere
MLS sees cloud ice, but HIRDLS sees the clouds themselves, even clouds that are so thin that people cannot see them. Just as in the MLS cloud ice map we see large amounts of this cirrus in regions of significant cloud ice.
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TES measurements
First Global Observations of HDO/H2O ratio - A Tracer of Global Hydrological Processes
The hydrological cycle acts differently in different location. The TES measurements show that in the tropics, re-evaporation of precipitation is an important process controlling cloud formation. Up to 70% of precipitation is re-evaporated into the cloud.
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