Global Ship Emissions Proxies

This website makes available the global ship proxy data from AMVER, ICOADS and an improved ICOADS data set, which we suggest is the most appropriate global ship traffic proxy identified to date for using a top down approach.

These proxy data can be used to allocate global inventory estimates for fuel use or emissions to spatial domains. This allows others to use these spatial proxies without also depending on our global estimates. We suggest using updated inventories published in JGR by Corbett and Koehler (2003/2004). These estimates are in good agreement with 2005 published work in JGR by Eyring et al. Spatially resolved maps using these inventories and power-weighted ICOADS data are posted here.

Please cite the source of this work using this reference:
Wang, C., J.J. Corbett, and J. Firestone, Improving Spatial Representation of Global Ship Emissions Inventories, Environmental Science & Technology, Web Release Date: 01-Dec-2007;(Article) DOI: 10.1021/es0700799, 2007.

For more information on related research, click here.

Global Ship Emissions Proxy Data (ASCII format): right-click and save file

ICOADS Data AMVER Data AMVER-ICOADS Data


Data Notes:
All data are zip files containing monthly and annual averages in ASCII format with .asc file extensions.  All data are global grids in the WGS84 coordinate system.

More information:
WGS84 Coordinate System 
ESRI ASCII raster format 
ESRI ASCII to Raster conversion 

The data files can be converted to just about any raster format you desire using the free and open source package GDAL. The easiest way to obtain GDAL is by downloading FWTools.

Posted March 2007; last site update February 2015.

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James Corbett

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Associate Director, Marine Policy & Professor Marine Policy

 

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