Forest Ecosystem Monitoring Cooperative(802) 656-0683femc@uvm.eduwww.uvm.edu/femc705 Spear StreetSouth BurlingtonVermont05403United States of AmericaFine Particle Monitoring: Interagency Monitoring of Protected Visual Environments (IMPROVE)Furtherance of a national goal that calls for “the prevention of any future, and the remedying of any existing, impairment of visibility in mandatory Class I federal areas which impairment results from manmade air pollution.” The Regional Haze Rule (RHR) expanded this mandate by requiring monitoring in locations representative of the 156 visibility-protected federal Class I areas. IMPROVE was designated as the visibility monitoring network to be used to carry out this responsibility.Fine Particle Monitoring: Interagency Monitoring of Protected Visual Environments (IMPROVE)WhitneyBenjaminPoirotRichardPerronRalphLeonBennetLacaillade RobertBerschlingJennyair qualitylightlong term monitoringair pollutionparticulatesLye Brook Wilderness IMPROVE Aerosol Monitoring 1991-20121991-09-042012-09-30Aerosol monitoring reports since 1991 at Lye BrookTo determine concentrations and composition of fine aerosols (PM-2.5) of relevance to light scattering, light absorption, human health and biological effects.Z0100_LyeBr1AerosolVMC.100.359mySQLMalm, W. C., J. F. Sisler, D. Huffman, R. A. Eldred, and T. A. Cahill (1994), Spatial and seasonal trends in particle concentration and optical extinction in the United States, J. Geophys. Res., 99, 1347-1370. This dataset is (2017) Lye Brook Wilderness IMPROVE Aerosol Monitoring 1991-2012. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/fine-aerosol-monitoring-interagency-monitoring-protected/dataset/lye-brook-wilderness-improve-aerosol-monitoringhttps://www.uvm.edu/femc/CI4/data/archive/project/fine-aerosol-monitoring-interagency-monitoring-protected/dataset/lye-brook-wilderness-improve-aerosol-monitoringSiteCodeSite CodeUnique site identifier textDateSample DateDate sampling occurred datetimeYYYY-MM-DDThh:mm:ssPOCPrimary Organic CarbonOrganic carbons attached to one other carbondecimaldimensionless1integerALfAluminum (Fine)Fine particle aluminumdecimalcustomMicrogramsPerCubicMeter0.00001realNH4fAmmonium Ion (Fine)Mass of ammonium particles < 2.5 um in diameterdecimalcustomMicrogramsPerCubicMeter0.00001realammNO3fAmmonium Nitrate (Fine)Fine particle ammonium nitratedecimalcustomMicrogramsPerCubicMeter0.00001realammNO3f_bextAmmonium nitrate extinction (Fine)Fine ammonium nitrate light extinction coefficientdecimaldimensionless0.00001realammSO4fAmmonium Sulfate (Fine) Fine particle ammonium sulfatedecimalcustomMicrogramsPerCubicMeter0.00001realammSO4f_bextAmmonium sulfate extinction: FineFine ammonium sulfate light extinction coefficientdecimaldimensionless0.00001realASfArsenic (Fine)Fine particle arsenicdecimalcustomMicrogramsPerCubicMeter0.00001realBRfBromine (Fine)Fine particle bromine decimalcustomMicrogramsPerCubicMeter0.00001realCAfCalcium (Fine)Mass of calcium particles < 2.5 um in diameterdecimalcustomMicrogramsPerCubicMeter0.00001realECf_bextElemental Carbon Extinction (Fine) Fine elemental carbon light extinction coefficientdecimaldimensionless0.00001realEC1fCarbon, Elemental Fraction 1 (Fine)Fine elemental carbon fraction 1decimalcustomMicrogramsPerCubicMeter0.00001realEC2fCarbon, Elemental Fraction 2 (Fine)Fine elemental carbon fraction 2decimalcustomMicrogramsPerCubicMeter0.00001realEC3fCarbon, Elemental Fraction 3 (Fine)Fine elemental carbon fraction 3decimalcustomMicrogramsPerCubicMeter0.00001realECfCarbon, Elemental Total (Fine)Total fine elemental carbon fraction decimalcustomMicrogramsPerCubicMeter0.00001realOC1fCarbon, Organic Fraction 1 (Fine)Fine organic carbon fraction 1decimalcustomMicrogramsPerCubicMeter0.00001realOC2fCarbon, Organic Fraction 2 (Fine)Fine organic carbon fraction 2decimalcustomMicrogramsPerCubicMeter0.00001realOC3fCarbon, Organic Fraction 3 (Fine)Fine organic carbon fraction 3decimalcustomMicrogramsPerCubicMeter0.00001realOC4fCarbon, Organic Fraction 4 (Fine)Fine organic carbon fraction 4decimalcustomMicrogramsPerCubicMeter0.00001realOMCf_1_4Carbon: Fine organic massFine organic carbon mass 1.4 * OCdecimalcustomMicrogramsPerCubicMeter0.00001realOPfCarbon, Organic Pyrolized (Fine)Pyrolized fine organic carbondecimalcustomMicrogramsPerCubicMeter0.00001realOCfCarbon, Organic Total (Fine)Total fine organic carbon decimalcustomMicrogramsPerCubicMeter0.00001realCHLfChloride (Fine)Fine particle chloridedecimalcustomMicrogramsPerCubicMeter0.00001realCLfChlorine (Fine)Fine particle chlorinedecimalcustomMicrogramsPerCubicMeter0.00001realCRfChromium (Fine)Fine particle chromiumdecimalcustomMicrogramsPerCubicMeter0.00001realCM_bextCoarse mass extinction Coarse mass light extinction coefficientdecimaldimensionless0.00001realCUfCopper (Fine)Fine particle copperdecimalcustomMicrogramsPerCubicMeter0.00001realdvDeciviewUnit of measurement of haziness based on extinction coeffecient and visual rangedecimalcustomMicrogramsPerCubicMeter0.00001realfabs Filter Absorption CoefficientThe effect of the filter on the absorption measurementsdecimalcustomMicrogramsPerCubicMeter0.00001realHfHydrogen (Fine)Fine particle hydrogendecimalcustomMicrogramsPerCubicMeter0.00001realFEf Iron (Fine)Fine particle irondecimalcustomMicrogramsPerCubicMeter0.00001realPBfLead (Fine)Fine particle leaddecimalcustomMicrogramsPerCubicMeter0.00001realbabsLight absorption coefficient The effect of background absorbance on the absorption measurementsdecimalcustomMicrogramsPerCubicMeter0.00001realMGfMagnesium (Fine)Fine particle magnesiumdecimalcustomMicrogramsPerCubicMeter0.00001realMNf Manganese (Fine)Fine particle manganesedecimalcustomMicrogramsPerCubicMeter0.00001realMT Mass, PM10 (Total)Total mass of particles < 10 mircons in sizedecimalcustomMicrogramsPerCubicMeter0.00001realMF Mass, PM2.5 (Fine)Total mas of particles < 2.5 microns in sizedecimalcustomMicrogramsPerCubicMeter0.00001realCM_calculatedMass, PM2.5 - PM10 (Coarse)Mass of particles between 2.5 and 10 microns in sizedecimalcustomMicrogramsPerCubicMeter0.00001realRCFMMass, PM2.5 Reconstructed (Fine)Reconstructed fine massdecimalcustomMicrogramsPerCubicMeter0.00001realMOfMolybdenum (Fine)Fine particle molybdenumdecimalcustomMicrogramsPerCubicMeter0.00001realNIf Nickel (Fine)Fine particle nickeldecimalcustomMicrogramsPerCubicMeter0.00001realNO3f Nitrate (Fine)Fine particle nitratedecimalcustomMicrogramsPerCubicMeter0.00001realN2fNitrite (Fine)Fine particle nitritedecimalcustomMicrogramsPerCubicMeter0.00001realOMCfOrganic Mass (Fine)Fine particle organic massdecimalcustomMicrogramsPerCubicMeter0.00001realOMCf_bextOrganic carbon extinction fraction Organic carbon light extinction coeffecientdecimaldimensionless0.00001realPfPhosphorus (Fine)Fine particle phosphorusdecimalcustomMicrogramsPerCubicMeter0.00001realKfPotassium (Fine)Fine particle potassiumdecimalcustomMicrogramsPerCubicMeter0.00001realRHgridRelative HumidityStation relative humiditydecimalcustomMicrogramsPerCubicMeter0.00001realfRHgridRelative Humidity FactorClimatological average RH from EPAdecimalcustomMicrogramsPerCubicMeter0.00001realRBfRubidium (Fine) Fine particle rubidiumdecimalcustomMicrogramsPerCubicMeter0.00001realSeaSaltfSea Salt (Fine)Fine particle sea saltdecimalcustomMicrogramsPerCubicMeter0.00001realSEfSelenium (Fine)Fine particle seleniumdecimalcustomMicrogramsPerCubicMeter0.00001realSIfSilicon (Fine)Fine particle silicondecimalcustomMicrogramsPerCubicMeter0.00001realNAfSodium (Fine)Fine particle sodiumdecimalcustomMicrogramsPerCubicMeter0.00001realSOILfSoil (Fine)Fine particle soildecimalcustomMicrogramsPerCubicMeter0.00001realSOILf_bextFine soil extinction fractionFine soil light extinction coeffecientdecimaldimensionless0.00001realSRf Strontium (Fine)Fine particle strontiumdecimalcustomMicrogramsPerCubicMeter0.00001realSO4fSulfate (Fine)Fine particle sulfatedecimalcustomMicrogramsPerCubicMeter0.00001realSfSulfur (Fine)Fine particle sulfurdecimalcustomMicrogramsPerCubicMeter0.00001realSO2 Sulfur DioxideSulfur dioxide gasdecimalcustomMicrogramsPerCubicMeter0.00001realTIfTitanium (Fine)Fine particle titaniumdecimalcustomMicrogramsPerCubicMeter0.00001realaerosol_bextAerosol extinctionAerosol light extinction coeffecientdecimaldimensionless0.00001realVfVanadium (Fine)Fine particle vanadiumdecimalcustomMicrogramsPerCubicMeter0.00001realZNfZinc (Fine)Fine particle zinc decimalcustomMicrogramsPerCubicMeter0.00001realZRfZirconium (Fine)Fine particle ZirconiumdecimalcustomMicrogramsPerCubicMeter0.00001real