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Service Description: Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD) represents a decadal (2001-2010) mean concentration of fine particulate matter (solid particles and liquid droplets) that was derived from a combination of MODIS (Moderate Resolution Imaging Spectroradiometer), MISR (Multi-angle Imaging SpectroRadiometer) and SeaWIFS (Sea-Viewing Wide Field-of-View Sensor) AOD satellite retrievals. The purpose is to provide a continuous surface of concentrations (micrograms per cubic meter) of fine particulate matter of 2.5 micrometers or smaller (PM2.5) for health and environmental research.
Dataset Summary
A global decadal (2001-2010) mean PM2.5 concentration grid was produced as part of the Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD) data set. The data set represents a series of three-year running mean grids (1998-2012) of fine particulate matter (solid particles and liquid droplets) that were derived from a combination of MODIS (Moderate Resolution Imaging Spectroradiometer), MISR (Multi-angle Imaging SpectroRadiometer) and SeaWIFS (Sea-Viewing Wide Field-of-View Sensor) AOD satellite retrievals. Together the grids provide a continuous surface of concentrations in micrograms per cubic meter of particulate matter 2.5 micrometers or smaller (PM2.5) for health and environmental research. For each satellite-derived PM2.5 source, the total column retrievals of AOD were converted to near-ground PM2.5 levels using the GEOS-Chem chemical transport model to represent local relationships between AOD and PM2.5. The raster grids have a grid cell resolution of 6 arc-minutes (0.1 degree or approximately 10 km at the equator) and cover the global land surface from 70 degrees north to 55 degrees south. Compared to SEDAC’s earlier data set, Global Annual Average PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD), v1 (2001-2010), this data set provides higher accuracy; longer temporal range; higher resolution (0.1 x 0.1 degrees); and time varying AOD to PM2.5 relationships, necessary for appropriate representation of trends.
Recommended Citation
van Donkelaar, A., R.V. Martin, M. Brauer, and B.L. Boys. 2015. Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2012. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). http://dx.doi.org/10.7927/H4028PFS. Accessed DAY MONTH YEAR.
Name: sedac/sdei_global_annual_avg_pm2_5_2001_2010_image_service
Description: Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD) represents a decadal (2001-2010) mean concentration of fine particulate matter (solid particles and liquid droplets) that was derived from a combination of MODIS (Moderate Resolution Imaging Spectroradiometer), MISR (Multi-angle Imaging SpectroRadiometer) and SeaWIFS (Sea-Viewing Wide Field-of-View Sensor) AOD satellite retrievals. The purpose is to provide a continuous surface of concentrations (micrograms per cubic meter) of fine particulate matter of 2.5 micrometers or smaller (PM2.5) for health and environmental research.
Dataset Summary
A global decadal (2001-2010) mean PM2.5 concentration grid was produced as part of the Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD) data set. The data set represents a series of three-year running mean grids (1998-2012) of fine particulate matter (solid particles and liquid droplets) that were derived from a combination of MODIS (Moderate Resolution Imaging Spectroradiometer), MISR (Multi-angle Imaging SpectroRadiometer) and SeaWIFS (Sea-Viewing Wide Field-of-View Sensor) AOD satellite retrievals. Together the grids provide a continuous surface of concentrations in micrograms per cubic meter of particulate matter 2.5 micrometers or smaller (PM2.5) for health and environmental research. For each satellite-derived PM2.5 source, the total column retrievals of AOD were converted to near-ground PM2.5 levels using the GEOS-Chem chemical transport model to represent local relationships between AOD and PM2.5. The raster grids have a grid cell resolution of 6 arc-minutes (0.1 degree or approximately 10 km at the equator) and cover the global land surface from 70 degrees north to 55 degrees south. Compared to SEDAC’s earlier data set, Global Annual Average PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD), v1 (2001-2010), this data set provides higher accuracy; longer temporal range; higher resolution (0.1 x 0.1 degrees); and time varying AOD to PM2.5 relationships, necessary for appropriate representation of trends.
Recommended Citation
van Donkelaar, A., R.V. Martin, M. Brauer, and B.L. Boys. 2015. Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2012. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). http://dx.doi.org/10.7927/H4028PFS. Accessed DAY MONTH YEAR.
Single Fused Map Cache: false
Extent:
XMin: -2.0037507067161843E7
YMin: -7367038.205929592
XMax: 2.004968809930937E7
YMax: 1.1068715659379475E7
Spatial Reference:
102100
(3857)
Initial Extent:
XMin: -2.0037507067161843E7
YMin: -7367038.205929592
XMax: 2.004968809930937E7
YMax: 1.1068715659379475E7
Spatial Reference:
102100
(3857)
Full Extent:
XMin: -2.0037507067161843E7
YMin: -7367038.205929592
XMax: 2.004968809930937E7
YMax: 1.1068715659379475E7
Spatial Reference:
102100
(3857)
Pixel Size X: 12811.50372849831
Pixel Size Y: 12811.50372849831
Band Count: 1
Pixel Type: F32
RasterFunction Infos: {"name":"sdei_image_service_symbology","description":"A raster function template.","help":""}, {"name":"None","description":"","help":""}
Mensuration Capabilities: Basic
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text: van Donkelaar, A., R.V. Martin, M. Brauer, and B.L. Boys.
Service Data Type: esriImageServiceDataTypeGeneric
Min Values: 0
Max Values: 658.90002441406
Mean Values: 9.8898321206526
Standard Deviation Values: 12.622900890261
Object ID Field:
Fields:
None
Default Mosaic Method: Center
Allowed Mosaic Methods:
SortField:
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Mosaic Operator: First
Default Compression Quality: 75
Default Resampling Method: Bilinear
Max Record Count: null
Max Image Height: 4100
Max Image Width: 15000
Max Download Image Count: null
Max Mosaic Image Count: null
Allow Raster Function: true
Allow Compute TiePoints: false
Supports Statistics: false
Supports Advanced Queries: false
Use StandardizedQueries: true
Raster Type Infos:
Name: Raster Dataset
Description: Supports all ArcGIS Raster Datasets
Help:
Has Raster Attribute Table: false
Edit Fields Info: null
Ownership Based AccessControl For Rasters: null
Child Resources:
Info
Histograms
Key Properties
Legend
MultiDimensionalInfo
rasterFunctionInfos
Supported Operations:
Export Image
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics