Dataset: ESA Aerosol Climate Change Initiative (Aerosol CCI): Level 2 aerosol products from MERIS (ALAMO algorithm), Version 2.2#

Dataset identifier: esacci.AEROSOL.satellite-orbit-frequency.L2P.AOD.MERIS.Envisat.MERIS_ENVISAT.2-2.r1
Data store: cciodp

How to open this dataset in AVL JupyterLab  

cciodp_store = new_data_store('cciodp')
ds = cciodp_store.open_data('esacci.AEROSOL.satellite-orbit-frequency.L2P.AOD.MERIS.Envisat.MERIS_ENVISAT.2-2.r1')

Bounding box map#

Bounding box map
Map tiles and data from OpenStreetMap, under the ODbL.

Basic information#

Parameter Value
Bounding box longitude (°) -180.0 to 180.0
Bounding box latitude (°) -90.0 to 90.0
Time range 2008-01-01 to 2008-12-31

Click here for full dataset metadata.

Variable list#

Click on a variable name to jump to the variable’s full metadata.

Variable Long name Units
iline Line number of the pixel in the original grid 1
icolumn Column number of the pixel in the original grid 1
pixel_corner_latitude1 North-West pixel corner latitude degree_north
pixel_corner_latitude2 North-East pixel corner latitude degree_north
pixel_corner_latitude3 South-East pixel corner latitude degree_north
pixel_corner_latitude4 South-West pixel corner latitude degree_north
pixel_corner_longitude1 North-West pixel corner longitude degree_east
pixel_corner_longitude2 North-East pixel corner longitude degree_east
pixel_corner_longitude3 South-East pixel corner longitude degree_east
pixel_corner_longitude4 South-West pixel corner longitude degree_east
AOD550 Mean Effective Aerosol Optical Thickness at 550nm over ocean - Best solution 1
AOD550_std Standard Deviation of Effective Aerosol Optical Thickness at 550nm over ocean - Best solution 1
AOD865 Mean Effective Aerosol Optical Thickness at 865nm over ocean - Best solution 1
AOD865_std Standard Deviation of Effective Aerosol Optical Thickness at 865nm over ocean - Best solution 1
fAOD550 Mean Fine Mode Aerosol Optical Thickness at 550nm over ocean - Best solution 1
fAOD550_std Standard Deviation of Fine Mode Aerosol Optical Thickness at 550nm over ocean - Best solution 1
fAOD865 Mean Fine Mode Aerosol Optical Thickness at 865nm over ocean - Best solution 1
fAOD865_std Standard Deviation of Fine Mode Aerosol Optical Thickness at 865nm over ocean - Best solution 1
R_eff Mean Effective Radius over ocean - Best solution m
R_eff_std Standard Deviation of Effective Radius over ocean - Best solution m
Aerosol_Altitude Mean Aerosol Altitude m
Aerosol_Altitude_std Standard Deviation of Aerosol Altitude m

Full variable metadata#

iline#

Field Value
long_name Line number of the pixel in the original grid
units 1
coordinates latitude longitude
valid_range 0, 2004
missing_value -9999
orig_data_type int32
fill_value -9999
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type int32
dimensions pixel_number
file_dimensions pixel_number

icolumn#

Field Value
units 1
coordinates latitude longitude
valid_range 0, 4008
missing_value -9999
long_name Column number of the pixel in the original grid
orig_data_type int32
fill_value -9999
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type int32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_latitude1#

Field Value
units degree_north
coordinates latitude longitude
valid_range -90.0, 90.0
missing_value -9999.0
long_name North-West pixel corner latitude
standard_name latitude
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_latitude2#

Field Value
coordinates latitude longitude
valid_range -90.0, 90.0
missing_value -9999.0
long_name North-East pixel corner latitude
standard_name latitude
units degree_north
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_latitude3#

Field Value
missing_value -9999.0
coordinates latitude longitude
valid_range -90.0, 90.0
long_name South-East pixel corner latitude
standard_name latitude
units degree_north
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_latitude4#

Field Value
valid_range -90.0, 90.0
missing_value -9999.0
standard_name latitude
units degree_north
coordinates latitude longitude
long_name South-West pixel corner latitude
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_longitude1#

Field Value
coordinates latitude longitude
valid_range -180.0, 180.0
missing_value -9999.0
long_name North-West pixel corner longitude
standard_name longitude
units degree_east
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_longitude2#

Field Value
valid_range -180.0, 180.0
missing_value -9999.0
long_name North-East pixel corner longitude
standard_name longitude
coordinates latitude longitude
units degree_east
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_longitude3#

Field Value
valid_range -180.0, 180.0
missing_value -9999.0
long_name South-East pixel corner longitude
standard_name longitude
units degree_east
coordinates latitude longitude
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

pixel_corner_longitude4#

Field Value
missing_value -9999.0
valid_range -180.0, 180.0
long_name South-West pixel corner longitude
standard_name longitude
units degree_east
coordinates latitude longitude
orig_data_type float32
fill_value -9999.0
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

AOD550#

Field Value
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Mean Effective Aerosol Optical Thickness at 550nm over ocean - Best solution
standard_name atmosphere_optical_thickness_due_to_ambient_aerosol
units 1
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

AOD550_std#

Field Value
missing_value None
long_name Standard Deviation of Effective Aerosol Optical Thickness at 550nm over ocean - Best solution
units 1
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

AOD865#

Field Value
long_name Mean Effective Aerosol Optical Thickness at 865nm over ocean - Best solution
standard_name atmosphere_optical_thickness_due_to_ambient_aerosol
units 1
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

AOD865_std#

Field Value
long_name Standard Deviation of Effective Aerosol Optical Thickness at 865nm over ocean - Best solution
units 1
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

fAOD550#

Field Value
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Mean Fine Mode Aerosol Optical Thickness at 550nm over ocean - Best solution
standard_name atmosphere_optical_thickness_due_to_ambient_aerosol
units 1
coordinates latitude longitude
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

fAOD550_std#

Field Value
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Standard Deviation of Fine Mode Aerosol Optical Thickness at 550nm over ocean - Best solution
units 1
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

fAOD865#

Field Value
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
standard_name atmosphere_optical_thickness_due_to_ambient_aerosol
units 1
long_name Mean Fine Mode Aerosol Optical Thickness at 865nm over ocean - Best solution
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

fAOD865_std#

Field Value
units 1
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Standard Deviation of Fine Mode Aerosol Optical Thickness at 865nm over ocean - Best solution
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

R_eff#

Field Value
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Mean Effective Radius over ocean - Best solution
units m
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

R_eff_std#

Field Value
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Standard Deviation of Effective Radius over ocean - Best solution
units m
coordinates latitude longitude
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

Aerosol_Altitude#

Field Value
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
long_name Mean Aerosol Altitude
units m
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

Aerosol_Altitude_std#

Field Value
long_name Standard Deviation of Aerosol Altitude
units m
coordinates latitude longitude
valid_range -3.4028235e+38, 3.4028235e+38
missing_value None
orig_data_type float32
fill_value None
size 38620
shape 38620
chunk_sizes 38620
file_chunk_sizes 38620
data_type float32
dimensions pixel_number
file_dimensions pixel_number

Full dataset metadata#

Field Value
product_version 2-2
references http://envisat.esa.int/instruments/meris/atbd/
title ESA Aerosol Climate Change Initiative (Aerosol CCI): Level 2 aerosol products from MERIS (ALAMO algorithm), Version 2.2
project Climate Change Initiative - European Space Agency
source MEGS 8.0, ALAMO product V1-12
history Level 2 product from MEGS 8.0, ALAMO product V1-12, mapped with data2grid.py v2.4.5
ecv AEROSOL
processing_level L2P
product_string MERIS_ENVISAT
data_type AOD
sensor_id MERIS
platform_id Envisat
abstract The ESA Climate Change Initiative Aerosol project has produced a number of global aerosol Essential Climate Variable (ECV) products from a set of European satellite instruments with different characteristics. This dataset comprises the Level 2 aerosol products from MERIS for 2008, using the ALAMO algorithm, version 2.2. The data have been provided by Hygeos. For further details about these data products please see the linked documentation.
publication_date 2016-07-28T14:39:08
uuid a6efcb0868664248b9cb212aba44313d
catalog_url https://catalogue.ceda.ac.uk/uuid/a6efcb0868664248b9cb212aba44313d
cci_project AEROSOL