Annual NTN Maps by Year

If you intend on reprinting any of these maps for use in a publication, please read our Use Conditions.

2013


At this time, only PDF files of the 2013 maps are available. KMZ and grid files will be posted shortly.

Concentration     Deposition
Lab pHPDF  Lab H+PDF
SO4PDF      SO4PDF
NO3PDF      NO3PDF
NH4PDF      NH4PDF
CaPDF      CaPDF
MgPDF      MgPDF
KPDF      KPDF
NaPDF      NaPDF
ClPDF      ClPDF
BrPDF      BrPDF
NPDF
S+NPDF
Total PrecipitationPDF

2012


Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
BrPDFKMZGrid      BrPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2011


Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2010


Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2009


Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2008

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2007

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2006

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2005

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2004

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2003

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2002

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2001

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

2000

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1999

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1998

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1997

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1996

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1995

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1994

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1993

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1992

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1991

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1990

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1989

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1988

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1987

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1986

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

1985

Concentration     Deposition
Lab pHPDFKMZGrid  Lab H+PDFKMZGrid
SO4PDFKMZGrid      SO4PDFKMZGrid
NO3PDFKMZGrid      NO3PDFKMZGrid
NH4PDFKMZGrid      NH4PDFKMZGrid
CaPDFKMZGrid      CaPDFKMZGrid
MgPDFKMZGrid      MgPDFKMZGrid
KPDFKMZGrid      KPDFKMZGrid
NaPDFKMZGrid      NaPDFKMZGrid
ClPDFKMZGrid      ClPDFKMZGrid
NPDFKMZGrid
S+NPDFKMZGrid
Site DataKMZ Site DataKMZ
Total PrecipitationPDFKMZGrid

If you intend on reprinting any of these maps for use in a publication, please read our Use Conditions.


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