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MODIS/Aqua Aerosol Cloud Water Vapor Ozone Daily L3 Global 1Deg CMG V5.1
Entry ID: MYD08_D3


Summary
Abstract: MODIS was launched aboard the Aqua satellite on May 04, 2002
(1:30 pm equator crossing time) as part of NASA's Earth Observing
System (EOS) mission. MODIS with its 2330 km viewing swath width
provides almost daily global coverage. It acquires data in 36 high
spectral resolution bands between 0.415 to 14.235 micron with spatial
resolutions of 250m(2 bands), 500m(5 bands), and 1000m (29
bands). MODIS sensor counts, calibrated radiances, geolocation
products and all derived geophysical atmospheric and ocean products
are archived at NASA Goddard DAAC and has been made available to
public since April 2000.

This is a level-3 MODIS gridded atmosphere daily global joint product
'MYD08_D3'. It contains daily 1 x 1 degree grid average values of
atmospheric parameters related to atmospheric aerosol particle
properties, total ozone burden, atmospheric water vapor, cloud optical
and physical properties, and atmospheric stability indices. This
product also provides standard deviations, quality assurance weighted
means and other statistically derived quantities for each parameter.
The shortname for this level-3 MODIS atmosphere daily global product
is MYD08_D3 and the principal investigator for this product are MODIS
scientists :

Dr. Yoram Kaufman ( kaufman@climate.gsfc.nasa.gov) for aerosol
retrieval over land;
Dr. Didier Tanre ( didier.tanre@univ-lille1.fr) for aerosol retrieval
over ocean;
Dr. Bo-Cai Gao (gao@rsd.nrl.navy.mil) for cirrus cloud detection;
Dr. Paul Menzel (paulm@ssec.wisc.edu) for cloud top properties ; and
Dr. Michael King(king@climate.gsfc.nasa.gov) for cloud optical
properties.

The level-3 atmosphere daily global product (MYD08_D3) consists of
approximately 500 parameters that includes all statistically derived
quantities. Essentially all level-3 MODIS atmosphere daily global
parameters are derived from the four level-2 MODIS atmosphere products
MYD04_L2, MYD05_L2, MYD06_L2, and MYD07_L2. Statistics are computed
over a 1 degree equal-angle lat-lon grid that spans a 24-hour (0000 to
2400 Greenwich Mean Time) interval. Since the grid cells are 1 degree
by 1 degree, the output grid is always 360 pixels in width and 180
pixels in length.

MYD08_D3 product files are stored in Hierarchical Data Format
(HDF-EOS). Each gridded global parameter is stored as Scientific Data
Sets (SDS) within the file. For browsing and extracting data from
these files, some software are made available at the site.


MYD08_D3 PARAMETERS

Aerosol over Land and Ocean:
Optical Depth (0.55 micron)

Aerosol over Land:
Optical Depth at 0.47 and 0.66 (based on Continental Aerosol Model)
Corrected Optical Depths at 0.47, 0.55, 0.66 mm (based on Dynamic
Aerosol Model)
Corrected Optical Depths at 0.47, 0.55, 0.66 mm for Smoke, Sulfate,
Dust Aerosols
Mass Concentration (based on 0.66 mm)
Angstrom Exponents for Smoke, Sulfate, Dust

Aerosol over Ocean:
Effective Optical Depth at 7 bands (0.47, 0.55, 0.66, 0.87, 1.24,
1.64, 2.13 mm)
Effective Radius, Mass Concentration, Cloud Condensation Nuclei
(based on 0.55 mm)
Ratio: Optical Depth of Small Particles relative to Effective
Optical Depth (0.55 mm)
Asymmetry Factor & Back Scattering Ratio at 7 bands
Angstrom Exponents 1 (based on 0.55 and 0.865 mm) & 2 (based on
0.865 and 2.13 mm)


Ozone:
Total Column Ozone

Water Vapor:
Total Column Precipitable Water Vapor
NIR based (clear, cloudy), IR based (lower, upper levels, total)

Cloud:
Cloud Top Parameters
Cloud Top Pressure, Temperature, and Effective Emissivity(day,night, all)
Cloud Particle Phase
Infrared & Visible based retrievals (day, night, all)
Cloud Optical Thickness and Effective Radius
(water, ice, water + ice, undetermined, all phases)
Cloud Water Path
(liquid, ice, liquid + ice, undetermined, all phases)
Cloud Fraction
Visible and SWIR based (cirrus, contrail, water, ice, water + ice,
undetermined, all phases) & IR based (day, night, all)

Atmospheric State & Stability Indices:
Total -Totals, Lifted Index, K Index

Radiation Parameters:
Cirrus Cloud & Contrail Reflectance
Mean Surface Reflectance for Land (5 bands) and Ocean (7 bands)
Normalized Reflected Flux for Land (0.47 and 0.66 mm) and Ocean (7 bands)
Normalized Transmitted Flux for Land (0.47 and 0.66 mm) and Ocean (7 bands)
Atmosphreic Scattering Angle for Land and Ocean

Quality Assurance (QA) & Statistical Parameters:
Uncertainty in Derived Parameters, Minimum, Maximum, Number of Pixels,
Histograms, Correlation Parameters, QA Weighted, and other
Statistically Derived Parameters

More information about the atmospheric parameters and the
statistically derived parameters of MYD08_D3 product listed in the
table above are available from the MYD08_D3 web site.

The MODIS Daily Product will be used in the simultaneously study of
clouds, water vapor, aerosol , trace gases, land surface and oceanic
properties, as well as the interaction between them and their effect
on the Earth's energy budget and climate. This product will also be
used to investigate seasonal and inter-annual changes in cirrus
(semi-transparent) global cloud cover and cloud phase with
multispectral observations at high spatial resolution.

For more information about the MYD08_D3 product, please visit the
MODIS-Atmosphere site at:
http://modis-atmos.gsfc.nasa.gov/MOD08_D3/


Purpose: Science Research

Related URL
Link: View Related Information
Description: Overview of MODIS Atmosphere Data Products


Link: View Related Information
Description: MODIS Atmosphere Data Availability Calendar and Validation Level


Link: View Related Information
Description: Known Data Issues


Geographic Coverage
 N: 90.0 S: -90.0  E: 180.0  W: -180.0

Data Set Citation
Version: 5.1


Temporal Coverage
Start Date: 2002-05-04


Science Keywords
ATMOSPHERE >AEROSOLS >AEROSOL BACKSCATTER    [Definition]
ATMOSPHERE >AEROSOLS >AEROSOL EXTINCTION    [Definition]
ATMOSPHERE >AEROSOLS >AEROSOL OPTICAL DEPTH/THICKNESS    [Definition]
ATMOSPHERE >AEROSOLS >AEROSOL PARTICLE PROPERTIES    [Definition]
ATMOSPHERE >AEROSOLS >AEROSOL RADIANCE    [Definition]
ATMOSPHERE >AEROSOLS >CARBONACEOUS AEROSOLS    [Definition]
ATMOSPHERE >AEROSOLS >CLOUD CONDENSATION NUCLEI    [Definition]
ATMOSPHERE >AEROSOLS >DUST/ASH/SMOKE    [Definition]
ATMOSPHERE >AEROSOLS >NITRATE PARTICLES    [Definition]
ATMOSPHERE >AEROSOLS >ORGANIC PARTICLES    [Definition]
ATMOSPHERE >AEROSOLS >PARTICULATE MATTER    [Definition]
ATMOSPHERE >AEROSOLS >SULFATE PARTICLES    [Definition]
ATMOSPHERE >ATMOSPHERIC CHEMISTRY >TRACE GASES/TRACE SPECIES    [Definition]
ATMOSPHERE >ATMOSPHERIC PHENOMENA >STORMS    [Definition]
ATMOSPHERE >ATMOSPHERIC PHENOMENA    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >ATMOSPHERIC STABILITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >PRECIPITABLE WATER    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD FREQUENCY    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD ASYMMETRY    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD CEILING    [Definition]
ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD CONDENSATION NUCLEI    [Definition]
ATMOSPHERE >CLOUDS >CLOUD RADIATIVE TRANSFER >CLOUD EMISSIVITY    [Definition]
ATMOSPHERE >CLOUDS >CLOUD RADIATIVE TRANSFER >CLOUD RADIATIVE FORCING    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD HEIGHT    [Definition]
ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD LIQUID WATER/ICE    [Definition]
ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD OPTICAL DEPTH/THICKNESS    [Definition]
ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD PRECIPITABLE WATER    [Definition]
ATMOSPHERE >CLOUDS >CLOUD RADIATIVE TRANSFER >CLOUD REFLECTANCE    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD TOP PRESSURE    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD TOP TEMPERATURE    [Definition]
ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD VERTICAL DISTRIBUTION    [Definition]
ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD DROPLET CONCENTRATION/SIZE    [Definition]
ATMOSPHERE >CLOUDS    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >ATMOSPHERIC EMITTED RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >EMISSIVITY    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >OPTICAL DEPTH/THICKNESS    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >RADIATIVE FLUX    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >REFLECTANCE    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >TRANSMITTANCE    [Definition]
ATMOSPHERE >AEROSOLS >AEROSOL OPTICAL DEPTH/THICKNESS >ANGSTROM EXPONENT    [Definition]
ATMOSPHERE >ATMOSPHERIC CHEMISTRY >OXYGEN COMPOUNDS >OZONE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
ENVIRONMENT
HEALTH


Platform
AQUA >Earth Observing System, AQUA    [Information]


Instrument
MODIS >Moderate-Resolution Imaging Spectroradiometer    [Information]


Data Set Progress
IN WORK



Creation and Review Dates
DIF Creation Date: 2011-11-22
Last DIF Revision Date: 2016-02-09



Link to Web Site