Dry Deposition Maps

This page includes maps showing annual average dry deposition estimated with the TDep Measurement Model Fusion method using the measured air concentrations from CASTNET and modeled CMAQ deposition velocities and fluxes.

Click on the map thumbnails to open the full size maps. Once the full size maps are open, right click on the map and click "save as" to save the maps to your computer.

Year Nitrogen Reduced Nitrogen Oxidized Nitrogen Ammonium Sulfur Dry Reduced N as Pct of Total N Dry Nitrogen as Pct of Total N Dry Sulfur as Pct of Total S
Animated GIF Total deposition of nitrogen 2000-2023 Total deposition of reduced nitrogen 2000-2023 Dry deposition of oxidized nitrogen 2000-2023 Dry deposition of particle ammonium 2000-2023 Dry deposition of sulfur 2000-2023 Percent of total nitrogen as dry reduced nitrogen 2000-2023 Percent of total nitrogen as dry deposition 2000-2023 Percent of total sulfur as dry deposition 2000-2023
2021-2023 Dry deposition of nitrogen 2021-2023 Dry deposition of reduced nitrogen 2021-2023 Dry deposition of oxidized nitrogen 2021-2023 Dry deposition of particle ammonium 2021-2023 Dry deposition of sulfur 2021-2023 Percent of total nitrogen as dry reduced nitrogen 2021-2023 Percent of total nitrogen as dry deposition 2021-2023 Percent of total sulfur as dry deposition 2021-2023
2000-2002 Dry deposition of nitrogen 2000-2002 Dry deposition of reduced nitrogen 2000-2002 Dry deposition of oxidized nitrogen 2000-2002 Dry deposition of particle ammonium 2000-2002 Dry deposition of sulfur 2000-2002 Percent of total nitrogen as dry reduced nitrogen 2000-2002 Percent of total nitrogen as dry deposition 2000-2002 Percent of total sulfur as dry deposition 2000-2002
2023 Dry deposition of nitrogen for 2023 Dry deposition of reduced nitrogen for 2023 Dry deposition of oxidized nitrogen for 2023 Dry deposition of particle ammonium for 2023 Dry deposition of sulfur for 2023 Percent of total nitrogen as dry reduced nitrogen for 2023 Percent of total nitrogen as dry deposition for 2023 Percent of total sulfur as dry deposition for 2023
2022 Dry deposition of nitrogen for 2022 Dry deposition of reduced nitrogen for 2022 Dry deposition of oxidized nitrogen for 2022 Dry deposition of particle ammonium for 2022 Dry deposition of sulfur for 2022 Percent of total nitrogen as dry reduced nitrogen for 2022 Percent of total nitrogen as dry deposition for 2022 Percent of total sulfur as dry deposition for 2022
2021 Dry deposition of nitrogen for 2021 Dry deposition of reduced nitrogen for 2021 Dry deposition of oxidized nitrogen for 2021 Dry deposition of particle ammonium for 2021 Dry deposition of sulfur for 2021 Percent of total nitrogen as dry reduced nitrogen for 2021 Percent of total nitrogen as dry deposition for 2021 Percent of total sulfur as dry deposition for 2021
2020 Dry deposition of nitrogen for 2020 Dry deposition of reduced nitrogen for 2020 Dry deposition of oxidized nitrogen for 2020 Dry deposition of particle ammonium for 2020 Dry deposition of sulfur for 2020 Percent of total nitrogen as dry reduced nitrogen for 2020 Percent of total nitrogen as dry deposition for 2020 Percent of total sulfur as dry deposition for 2020
2019 Dry deposition of nitrogen for 2019 Dry deposition of reduced nitrogen for 2019 Dry deposition of oxidized nitrogen for 2019 Dry deposition of particle ammonium for 2019 Dry deposition of sulfur for 2019 Percent of total nitrogen as dry reduced nitrogen for 2019 Percent of total nitrogen as dry deposition for 2019 Percent of total sulfur as dry deposition for 2019
2018 Dry deposition of nitrogen for 2018 Dry deposition of reduced nitrogen for 2018 Dry deposition of oxidized nitrogen for 2018 Dry deposition of particle ammonium for 2018 Dry deposition of sulfur for 2018 Percent of total nitrogen as dry reduced nitrogen for 2018 Percent of total nitrogen as dry deposition for 2018 Percent of total sulfur as dry deposition for 2018
2017 Dry deposition of nitrogen for 2017 Dry deposition of reduced nitrogen for 2017 Dry deposition of oxidized nitrogen for 2017 Dry deposition of particle ammonium for 2017 Dry deposition of sulfur for 2017 Percent of total nitrogen as dry reduced nitrogen for 2017 Percent of total nitrogen as dry deposition for 2017 Percent of total sulfur as dry deposition for 2017
2016 Dry deposition of nitrogen for 2016 Dry deposition of reduced nitrogen for 2016 Dry deposition of oxidized nitrogen for 2016 Dry deposition of particle ammonium for 2016 Dry deposition of sulfur for 2016 Percent of total nitrogen as dry reduced nitrogen for 2016 Percent of total nitrogen as dry deposition for 2016 Percent of total sulfur as dry deposition for 2016
2015 Dry deposition of nitrogen for 2015 Dry deposition of reduced nitrogen for 2015 Dry deposition of oxidized nitrogen for 2015 Dry deposition of particle ammonium for 2015 Dry deposition of sulfur for 2015 Percent of total nitrogen as dry reduced nitrogen for 2015 Percent of total nitrogen as dry deposition for 2015 Percent of total sulfur as dry deposition for 2015
2014 Dry deposition of nitrogen for 2014 Dry deposition of reduced nitrogen for 2014 Dry deposition of oxidized nitrogen for 2014 Dry deposition of particle ammonium for 2014 Dry deposition of sulfur for 2014 Percent of total nitrogen as dry reduced nitrogen for 2014 Percent of total nitrogen as dry deposition for 2014 Percent of total sulfur as dry deposition for 2014
2013 Dry deposition of nitrogen for 2013 Dry deposition of reduced nitrogen for 2013 Dry deposition of oxidized nitrogen for 2013 Dry deposition of particle ammonium for 2013 Dry deposition of sulfur for 2013 Percent of total nitrogen as dry reduced nitrogen for 2013 Percent of total nitrogen as dry deposition for 2013 Percent of total sulfur as dry deposition for 2013
2012 Dry deposition of nitrogen for 2012 Dry deposition of reduced nitrogen for 2012 Dry deposition of oxidized nitrogen for 2012 Dry deposition of particle ammonium for 2012 Dry deposition of sulfur for 2012 Percent of total nitrogen as dry reduced nitrogen for 2012 Percent of total nitrogen as dry deposition for 2012 Percent of total sulfur as dry deposition for 2012
2011 Dry deposition of nitrogen for 2011 Dry deposition of reduced nitrogen for 2011 Dry deposition of oxidized nitrogen for 2011 Dry deposition of particle ammonium for 2011 Dry deposition of sulfur for 2011 Percent of total nitrogen as dry reduced nitrogen for 2011 Percent of total nitrogen as dry deposition for 2011 Percent of total sulfur as dry deposition for 2011
2010 Dry deposition of nitrogen for 2010 Dry deposition of reduced nitrogen for 2010 Dry deposition of oxidized nitrogen for 2010 Dry deposition of particle ammonium for 2010 Dry deposition of sulfur for 2010 Percent of total nitrogen as dry reduced nitrogen for 2010 Percent of total nitrogen as dry deposition for 2010 Percent of total sulfur as dry deposition for 2010
2009 Dry deposition of nitrogen for 2009 Dry deposition of reduced nitrogen for 2009 Dry deposition of oxidized nitrogen for 2009 Dry deposition of particle ammonium for 2009 Dry deposition of sulfur for 2009 Percent of total nitrogen as dry reduced nitrogen for 2009 Percent of total nitrogen as dry deposition for 2009 Percent of total sulfur as dry deposition for 2009
2008 Dry deposition of nitrogen for 2008 Dry deposition of reduced nitrogen for 2008 Dry deposition of oxidized nitrogen for 2008 Dry deposition of particle ammonium for 2008 Dry deposition of sulfur for 2008 Percent of total nitrogen as dry reduced nitrogen for 2008 Percent of total nitrogen as dry deposition for 2008 Percent of total sulfur as dry deposition for 2008
2007 Dry deposition of nitrogen for 2007 Dry deposition of reduced nitrogen for 2007 Dry deposition of oxidized nitrogen for 2007 Dry deposition of particle ammonium for 2007 Dry deposition of sulfur for 2007 Percent of total nitrogen as dry reduced nitrogen for 2007 Percent of total nitrogen as dry deposition for 2007 Percent of total sulfur as dry deposition for 2007
2006 Dry deposition of nitrogen for 2006 Dry deposition of reduced nitrogen for 2006 Dry deposition of oxidized nitrogen for 2006 Dry deposition of particle ammonium for 2006 Dry deposition of sulfur for 2006 Percent of total nitrogen as dry reduced nitrogen for 2006 Percent of total nitrogen as dry deposition for 2006 Percent of total sulfur as dry deposition for 2006
2005 Dry deposition of nitrogen for 2005 Dry deposition of reduced nitrogen for 2005 Dry deposition of oxidized nitrogen for 2005 Dry deposition of particle ammonium for 2005 Dry deposition of sulfur for 2005 Percent of total nitrogen as dry reduced nitrogen for 2005 Percent of total nitrogen as dry deposition for 2005 Percent of total sulfur as dry deposition for 2005
2004 Dry deposition of nitrogen for 2004 Dry deposition of reduced nitrogen for 2004 Dry deposition of oxidized nitrogen for 2004 Dry deposition of particle ammonium for 2004 Dry deposition of sulfur for 2004 Percent of total nitrogen as dry reduced nitrogen for 2004 Percent of total nitrogen as dry deposition for 2004 Percent of total sulfur as dry deposition for 2004
2003 Dry deposition of nitrogen for 2003 Dry deposition of reduced nitrogen for 2003 Dry deposition of oxidized nitrogen for 2003 Dry deposition of particle ammonium for 2003 Dry deposition of sulfur for 2003 Percent of total nitrogen as dry reduced nitrogen for 2003 Percent of total nitrogen as dry deposition for 2003 Percent of total sulfur as dry deposition for 2003
2002 Dry deposition of nitrogen for 2002 Dry deposition of reduced nitrogen for 2002 Dry deposition of oxidized nitrogen for 2002 Dry deposition of particle ammonium for 2002 Dry deposition of sulfur for 2002 Percent of total nitrogen as dry reduced nitrogen for 2002 Percent of total nitrogen as dry deposition for 2002 Percent of total sulfur as dry deposition for 2002
2001 Dry deposition of nitrogen for 2001 Dry deposition of reduced nitrogen for 2001 Dry deposition of oxidized nitrogen for 2001 Dry deposition of particle ammonium for 2001 Dry deposition of sulfur for 2001 Percent of total nitrogen as dry reduced nitrogen for 2001 Percent of total nitrogen as dry deposition for 2001 Percent of total sulfur as dry deposition for 2001
2000 Dry deposition of nitrogen for 2000 Dry deposition of reduced nitrogen for 2000 Dry deposition of oxidized nitrogen for 2000 Dry deposition of particle ammonium for 2000 Dry deposition of sulfur for 2000 Percent of total nitrogen as dry reduced nitrogen for 2000 Percent of total nitrogen as dry deposition for 2000 Percent of total sulfur as dry deposition for 2000
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Last updated on March 19, 2025