Strategies For Linking Atmospheric Deposition Networks to the National Water Quality Monitoring Network Mark Nilles Office of Water Quality U.S. Geological Survey Van Bowersox NADP Program Office Illinois State Water Survey Margaret Kirchner National Oceanic and Atmospheric Administration

NTN Sites - 31 March 2005

All NADP Networks Long-term multi-decade monitoring Long-term multi-decade monitoring Multi-tiered support Multi-tiered support  Federal, state, private, academic & tribal Identical sampling equipment and methods are used within each network Identical sampling equipment and methods are used within each network Common documentation Common documentation Single analytical laboratory Single analytical laboratory Rigorous field and laboratory QA/QC Rigorous field and laboratory QA/QC Open availability of all data via the Internet Open availability of all data via the Internet

Federal Agencies

State & Local Agencies Casco Bay Estuary Project Bennington, VT, USA SISKIYOU COUNTY AIR POLLUTION CONTROL DISTRICT Iowa Conservation and Preservation Consortium

Universities

Other Research Organizations WOLF RIDGE ENVIRONMENTAL LEARNING CENTER

NGOs SF Phosphates Limited Atmospheric Res. & Analysis, Inc.

Tribal Organizations

NADP Support 2005

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs

ANNOUNCEMENT & CALL FOR ABSTRACTS National Atmospheric Deposition Program 29 th Annual Technical Meeting Importance of Atmospheric Deposition in Urban Runoff Estimating Wet and Dry Deposition in Coastal Environments Effects of Deposited Pollutants in Marine Ecosystems Estimating Local Mercury Deposition and Effects Norfolk, Virginia

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs Utilize the data Utilize the data

Q1=JAS Q2=OND

Registered Data Users

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs Utilize the data Utilize the data Interpret, assess and integrate deposition data in context of your needs Interpret, assess and integrate deposition data in context of your needs

15 articles 9 articles 8 articles 6 articles 7 articles Number of journal articles in 2003 : - top 5 journals - 90

Trends in Ammonium Concentration

Summary – Ammonium Trends in Precipitation, Median Change + 35 % Mean Change + 42 % # of Sites with Positive Trend 80 # of Sites with No Trend 50 # of Sites with Negative Trend 2

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs Utilize the data Utilize the data Interpret, assess and integrate deposition data in context of your needs Interpret, assess and integrate deposition data in context of your needs Participate organizationally Participate organizationally

Technical Committee Executive Committee Program Office Subcommittee on Network Operations Subcommittee on Data Management and Analysis Subcommittee on Environmental Effects Budget Advisory Committee Quality Assurance Advisory Group NTN AIRMoN MDN CAL HAL Program Coordinator MANAGEMENT OPERATIONS QA Manager QA Officer

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs Utilize the data Utilize the data Interpret, assess and integrate deposition data in context of your needs Interpret, assess and integrate deposition data in context of your needs Participate organizationally Participate organizationally Add new sites that address your specific needs Add new sites that address your specific needs

North Inlet-Winyah Bay National Estuarine Research Reserve (SC11)

NTN Sites - 31 March 2005

255 sites + 3 “precision” sites

Engaging NADP in support of the National Monitoring Network Gain a mutual understanding of the networks and programs Gain a mutual understanding of the networks and programs Utilize the data Utilize the data Interpret, assess and integrate deposition data in context of your needs Interpret, assess and integrate deposition data in context of your needs Participate organizationally Participate organizationally Add sites where you need them Add sites where you need them Add scientific value through research and collocation Add scientific value through research and collocation

CASTNET58 IMPROVE44 NDAMN21 UV-b18 LTER11 CRN9 SURFRAD2 Networks collocated with NADP sites

Asian Soybean Rust, 2004

Asian Soybean Rust, 2005

Trends in Sulfate in Precipitation

Summary – U.S. Sulfate Trends in Precipitation, Median Change -36 % Mean Change -33 % # of Sites with Positive Trend 0 # of Sites with No Trend 23 # of Sites with Negative Trend 109

Nitrate Trends in Precipitation

Summary – U.S. Nitrate Trends in Precipitation, Median Change -1.5 % Mean Change +2.9 % # of Sites with Positive Trend 25 # of Sites with No Trend 74 # of Sites with Negative Trend 33