Date post: | 20-Dec-2015 |
Category: |
Documents |
View: | 227 times |
Download: | 1 times |
REMOTE SENSING OF TROPOSPHERIC COMPOSITIONREMOTE SENSING OF TROPOSPHERIC COMPOSITION
Daniel J. Jacob
WHY OBSERVE TROPOSPHERIC COMPOSITION FROM SPACE?WHY OBSERVE TROPOSPHERIC COMPOSITION FROM SPACE?
Monitoring and forecastingof air quality: ozone, aerosols
Long-range transport of pollution
Monitoring of sources:pollution and greenhousegases
• solar backscatter• thermal emission• solar occultation• lidar
FOUR OBSERVATIONMETHODS:
Global/continuous measurement capability important for range of issues:
Radiative climate forcing
TROPOSPHERIC COMPOSITION FROM SPACE:TROPOSPHERIC COMPOSITION FROM SPACE:platforms, instruments, speciesplatforms, instruments, species
Sensor TOMS GOME MOPITT MISR MODIS AIRS SCIA-MACHY
TES MLS OMI OCO
Platform (launch)
multi
(1979-)
ERS-2 (1995)
Terra Aqua
(1999) ( 2002)
Envisat (2002)
Aura
(2004) 2008
ozone X (tro-pics)
X X X X
CO X X X X X
CO2 X X X
CH4 X
NO2 X X X
HNO3 X
HCHO X X
BrO X X X
aerosol X X
K. Folkert Boersma (Harvard)
TROPOSPHERIC NOTROPOSPHERIC NO22 FROM OMI: FROM OMI:
MAPPING OF NITROGEN OXIDE EMISSIONSMAPPING OF NITROGEN OXIDE EMISSIONS
October 2004
K. Folkert Boersma (Harvard)
TROPOSPHERIC NOTROPOSPHERIC NO22 FROM OMI: ZOOM ON U.S. AND MEXICO FROM OMI: ZOOM ON U.S. AND MEXICO
MILAGRO campaign, March 2006
FORMALDEHYDE FROM OMI:FORMALDEHYDE FROM OMI:MAPPING OF REACTIVE HYDROCARBON SOURCESMAPPING OF REACTIVE HYDROCARBON SOURCES
Shows vegetation to be dominant; anthropogenic source hardly detectable
Thomas Kurosu (Harvard/SAO) and Dylan B. Millet (Harvard)
• Continuous mapping of tropospheric columns of O3, aerosols, CO, CH2O, NO2, SO2
• Continental-scale for GEO, full sunlit disk for L1
• km-scale resolution
LOOKING TOWARD THE FUTURE:LOOKING TOWARD THE FUTURE:GEOSTATIONARY AND L1 MISSIONSGEOSTATIONARY AND L1 MISSIONS
GEO L1