Forest Ecosystem Monitoring Cooperative(802) 656-0683femc@uvm.eduwww.uvm.edu/femc705 Spear StreetSouth BurlingtonVermont05403United States of AmericaNational Atmospheric Deposition Program National Trends NetworkleadVermont Monitoring Cooperative partnerNADP/NTN (National Atmospheric Deposition Program/National Trends Network) Precipitation ChemistryYear-round weekly-based monitoring of wet deposition chemistry as part of a national program and to support local studies. Also to establish the precision and accuracy of the collection system. Sites from New Hampshire, New York, and Vermont are included.NADP/NTN (National Atmospheric Deposition Program/National Trends Network) Precipitation ChemistryScherbatskoyTimWaiteCarlRosovskyJudyCummingsJoanneLivingstonGerryPendletonMiriamDuncanJamesair qualityatmospheric depositionlong term monitoringacid rainair pollution1984 to Current NTN Annual Data for Vermont1984-01-012018-01-01Dataset of the parent project National Atmospheric Deposition Program/National Trends Network (NADP/NTN). Contains precipitation-weighted means (PMW) concentrations.Z0019_1984to2015NTN_AnnualDataVMC.19.2121mySQLDuncan, J., G. Livingston, T. Scherbatskoy, and C. Waite. 2017. 1984 to 2017 NTN Annual Data. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/national-atmospheric-deposition-programnational-trends-network/dataset/1984-to-2015-ntn-annual-datahttps://www.uvm.edu/femc/CI4/data/archive/project/national-atmospheric-deposition-programnational-trends-network/dataset/1984-to-2015-ntn-annual-dataconducconducdecimalCriteria1Criteria1intCriteria2Criteria2intCriteria3Criteria3intdaysSampledaysSampleintlastDatelastDatedatetimeM/D/YYYY hh:mmpptpptdecimalseasseastextsiteIDsiteIDtextsvolsvoldecimalyryrdateYYYYCaCaCa Concentrationdecimal0.001ClClCl concentrationdecimalCondConductivitydecimal0.01Crit1Criteria1Percentage of the summary period for which there are valid samples.intCrit2Criteria2Percentage of the summary period for which precipitation amounts are available either from the rain gage or from the sample volumeintCrit3Criteria3Percentage of the total measured precipitation associated with valid samples.intCrit4Crit4Crit4intDaysDays_sampledNumber of days included in the summary period.intEndDateEndDateThe ending date of the last sample included in the summary perioddatetimeMM/DD/YYYYFldCondFldCondField conductivitydecimalFldpHFldpHFldpHdecimalKKK concentrationdecimalMgMgMg concentrationdecimalNaNaNa concentrationdecimalNH4NH4NH4 concentrationdecimalNO3NO3N03 ConcentrationdecimalpctPptFChempctPptFChempctPptFChemintpHpHnegative log of the hydrogen ion concentration as measured at the CAL, in pH unitsdecimalPpt_cmPpt_cmTotal amount of precipitation, in centimeters, measured by the rain gage during the summary period. This value includes precipitation amounts calculated from the sample volumes in cases where the weekly rain gage measurements were unavailable.decimalRatioC-ARatioC-ARatioC-AdecimalSiteID__SiteIDSite IdentifiertextSO4SO4SO4 concentrationdecimalSvol_mlSvol_mlTotal volume, in milliliters, of precipitation collected by the sampler for VALID samples during the summary period.decimalStartDateStartDateStartDatedateotherValidSamp_FValidSamp_FValidSamp_FintValidSamp_LValidSamp_LValidSamp_LintYearYearYeardatetimeDD/MM/YYYYBrBrBr concentration, mg/LdecimalD-M-YY-1fullChemlabfullChemNumber of samples used in calculating the laboratory means. Only VALID samples with complete, valid LABORATORY (CAL) analyses and a valid measurement of precipitation amount (from the rain gage or sample volume) are used.intD-M-YY-1