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Methods
The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures
Current Methods
Particulate matter monitoring
Started: 1988-09-01Particulate matter is being monitored at the PMRC for fine particles <2.5 microns (PM-2.5), using the IMPROVE sampler, is sampled Wednesday & Saturday for mass, and elemental composition (H, Na-Pb).
Particulate matter is being monitored at the PMRC for fine particles <2.5 microns (PM-2.5), using the IMPROVE sampler, is sampled every third day for mass, optical absorption and elemental composition (H, Na-Pb).
Dataset Fields
Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data
Field Name Caption Description Additional Information aerosol_bext_flag aerosol_bext_flag aerosol_bext_flag
Measurement type: Nominal aerosol_bext_mdl aerosol_bext_mdl aerosol_bext_mdl
Measurement type: Nominal aerosol_bext_unc aerosol_bext_unc aerosol_bext_unc
Measurement type: Ordinal aerosol_bext_val aerosol_bext_val aerosol_bext_val
Measurement type: Nominal AL_flag AL_flag AL_flag
Measurement type: Nominal AL_mdl AL_mdl AL_mdl
Measurement type: Ratio
Units:AL_unc AL_unc AL_unc
Measurement type: Ratio
Units:AL_val AL_val AL_val
Measurement type: Ratio
Units:ammNO3f_bext_flag ammNO3f_bext_flag ammNO3f_bext_flag
Measurement type: Nominal ammNO3f_bext_mdl ammNO3f_bext_mdl ammNO3f_bext_mdl
Measurement type: Nominal ammNO3f_bext_unc ammNO3f_bext_unc ammNO3f_bext_unc
Measurement type: Nominal ammNO3f_bext_val ammNO3f_bext_val ammNO3f_bext_val
Measurement type: Ratio
Units:ammNO3f_flag ammNO3f_flag ammNO3f_flag
Measurement type: Nominal ammNO3f_mdl ammNO3f_mdl ammNO3f_mdl
Measurement type: Nominal ammNO3f_unc ammNO3f_unc ammNO3f_unc
Measurement type: Nominal ammNO3f_val ammNO3f_val Measurement type: ammSO4f_bext_flag ammSO4f_bext_flag ammSO4f_bext_flag
Measurement type: Nominal ammSO4f_bext_mdl ammSO4f_bext_mdl ammSO4f_bext_mdl
Measurement type: Nominal ammSO4f_bext_unc ammSO4f_bext_unc ammSO4f_bext_unc
Measurement type: Nominal ammSO4f_bext_val ammSO4f_bext_val ammSO4f_bext_val
Measurement type: Ratio
Units:ammSO4f_flag ammSO4f_flag Measurement type: Nominal ammSO4f_mdl ammSO4f_mdl ammSO4f_mdl
Measurement type: Nominal ammSO4f_unc ammSO4f_unc ammSO4f_unc
Measurement type: Nominal ammSO4f_val ammSO4f_val ammSO4f_val
Measurement type: Ratio
Units:AS_flag AS_flag AS_flag
Measurement type: Nominal AS_mdl AS_mdl AS_mdl
Measurement type: Ratio
Units:AS_unc AS_unc AS_unc
Measurement type: Ratio
Units:AS_val AS_val AS_val
Measurement type: Ratio
Units:BR_flag BR_flag BR_flag
Measurement type: Nominal BR_mdl BR_mdl BR_mdl
Measurement type: Ratio
Units:BR_unc BR_unc BR_unc
Measurement type: Ratio
Units:BR_val BR_val BR_val
Measurement type: Ratio
Units:CAf_flag CAf_flag CAf_flag
Measurement type: Nominal CAf_mdl CAf_mdl CAf_mdl
Measurement type: Ratio
Units:CAf_unc CAf_unc CAf_unc
Measurement type: Ratio
Units:CAf_val CAf_val CAf_val
Measurement type: Ratio
Units:CHL_flag CHL_flag CHL_flag
Measurement type: Nominal CHL_mdl CHL_mdl CHL_mdl
Measurement type: Ratio
Units:CHL_unc CHL_unc CHL_unc
Measurement type: Ratio
Units:CHL_val CHL_val CHL_val
Measurement type: Ratio
Units:CL_flag CL_flag CL_flag
Measurement type: Nominal CL_mdl CL_mdl CL_mdl
Measurement type: Ratio
Units:CL_unc CL_unc CL_unc
Measurement type: Ratio
Units:CL_val CL_val CL_val
Measurement type: Ratio
Units:CM_bext_flag CM_bext_flag CM_bext_flag
Measurement type: Nominal CM_bext_mdl CM_bext_mdl CM_bext_mdl
Measurement type: Nominal CM_bext_unc CM_bext_unc CM_bext_unc
Measurement type: Ratio
Units:CM_bext_val CM_bext_val CM_bext_val
Measurement type: Ratio
Units:CM_flag CM_flag CM_flag
Measurement type: Nominal CM_mdl CM_mdl CM_mdl
Measurement type: Ratio
Units:CM_unc CM_unc CM_unc
Measurement type: Ratio
Units:CM_val CM_val CM_val
Measurement type: Ratio
Units:CR_flag CR_flag CR_flag
Measurement type: Nominal CR_mdl CR_mdl CR_mdl
Measurement type: Ratio
Units:CR_unc CR_unc CR_unc
Measurement type: Ratio
Units:CR_val CR_val CR_val
Measurement type: Ratio
Units:CU_flag CU_flag CU_flag
Measurement type: Nominal CU_mdl CU_mdl CU_mdl
Measurement type: Ratio
Units:CU_unc CU_unc CU_unc
Measurement type: Ratio
Units:CU_val CU_val CU_val
Measurement type: Ratio
Units:dv_flag dv_flag dv_flag
Measurement type: Ratio
Units:dv_mdl dv_mdl dv_mdl
Measurement type: Ratio
Units:dv_unc dv_unc dv_unc
Measurement type: Ratio
Units:dv_val dv_val dv_val
Measurement type: Ratio
Units:EC1_flag EC1_flag EC1_flag
Measurement type: Nominal EC1_mdl EC1_mdl EC1_mdl
Measurement type: Ratio
Units:EC1_unc EC1_unc EC1_unc
Measurement type: Ratio
Units:EC1_val EC1_val EC1_val
Measurement type: Ratio
Units:EC2_flag EC2_flag EC2_flag
Measurement type: Nominal EC2_mdl EC2_mdl EC2_mdl
Measurement type: Ratio
Units:EC2_unc EC2_unc EC2_unc
Measurement type: Ratio
Units:EC2_val EC2_val EC2_val
Measurement type: Ratio
Units:EC3_flag EC3_flag EC3_flag
Measurement type: Nominal EC3_mdl EC3_mdl EC3_mdl
Measurement type: Ratio
Units:EC3_unc EC3_unc EC3_unc
Measurement type: Ratio
Units:EC3_val EC3_val EC3_val
Measurement type: Ratio
Units:EC_bext_flag EC_bext_flag EC_bext_flag
Measurement type: Nominal EC_bext_mdl EC_bext_mdl EC_bext_mdl
Measurement type: Ratio
Units:EC_bext_unc EC_bext_unc EC_bext_unc
Measurement type: Ratio
Units:EC_bext_val EC_bext_val EC_bext_val
Measurement type: Ratio
Units:EC_flag EC_flag EC_flag
Measurement type: Nominal EC_mdl EC_mdl EC_mdl
Measurement type: Ratio
Units:EC_unc EC_unc EC_unc
Measurement type: Ratio
Units:EC_val EC_val EC_val
Measurement type: Ratio
Units:FE_flag FE_flag FE_flag
Measurement type: Nominal FE_mdl FE_mdl FE_mdl
Measurement type: Ratio
Units:FE_unc FE_unc FE_unc
Measurement type: Ratio
Units:FE_val FE_val FE_val
Measurement type: Ratio
Units:fRH_grid_flag fRH_grid_flag fRH_grid_flag
Measurement type: Nominal fRH_grid_mdl fRH_grid_mdl fRH_grid_mdl
Measurement type: Ratio
Units:fRH_grid_unc fRH_grid_unc fRH_grid_unc
Measurement type: Ratio
Units:fRH_grid_val fRH_grid_val fRH_grid_val
Measurement type: Ratio
Units:H_flag H_flag H_flag
Measurement type: Nominal H_mdl H_mdl H_mdl
Measurement type: Ratio
Units:H_unc H_unc H_unc
Measurement type: Ratio
Units:H_val H_val H_val
Measurement type: Ratio
Units:Kf_flag Kf_flag Kf_flag
Measurement type: Nominal Kf_mdl Kf_mdl Kf_mdl
Measurement type: Ratio
Units:Kf_unc Kf_unc Kf_unc
Measurement type: Ratio
Units:Kf_val Kf_val Kf_val
Measurement type: Ratio
Units:MF_flag MF_flag MF_flag
Measurement type: Nominal MF_mdl MF_mdl MF_mdl
Measurement type: Ratio
Units:MF_unc MF_unc MF_unc
Measurement type: Ratio
Units:MF_val MF_val MF_val
Measurement type: Ratio
Units:MGf_flag MGf_flag MGf_flag
Measurement type: Nominal MGf_mdl MGf_mdl MGf_mdl
Measurement type: Ratio
Units:MGf_unc MGf_unc MGf_unc
Measurement type: Ratio
Units:MGf_val MGf_val MGf_val
Measurement type: Ratio
Units:MN_flag MN_flag MN_flag
Measurement type: Nominal MN_mdl MN_mdl MN_mdl
Measurement type: Ratio
Units:MN_unc MN_unc MN_unc
Measurement type: Ratio
Units:MN_val MN_val MN_val
Measurement type: Ratio
Units:MO_flag MO_flag MO_flag
Measurement type: Nominal MO_mdl MO_mdl MO_mdl
Measurement type: Ratio
Units:MO_unc MO_unc MO_unc
Measurement type: Ratio
Units:MO_val MO_val MO_val
Measurement type: Ratio
Units:MT_flag MT_flag MT_flag
Measurement type: Nominal MT_mdl MT_mdl MT_mdl
Measurement type: Ratio
Units:MT_unc MT_unc MT_unc
Measurement type: Ratio
Units:MT_val MT_val MT_val
Measurement type: Ratio
Units:N2_flag N2_flag N2_flag
Measurement type: Nominal N2_mdl N2_mdl N2_mdl
Measurement type: Ratio
Units:N2_unc N2_unc N2_unc
Measurement type: Ratio
Units:N2_val N2_val N2_val
Measurement type: Ratio
Units:NAf_flag NAf_flag NAf_flag
Measurement type: Nominal NAf_mdl NAf_mdl NAf_mdl
Measurement type: Ratio
Units:NAf_unc NAf_unc NAf_unc
Measurement type: Ratio
Units:NAf_val NAf_val NAf_val
Measurement type: Ratio
Units:NH4f_flag NH4f_flag NH4f_flag
Measurement type: Nominal NH4f_mdl NH4f_mdl NH4f_mdl
Measurement type: Ratio
Units:NH4f_unc NH4f_unc NH4f_unc
Measurement type: Ratio
Units:NH4f_val NH4f_val NH4f_val
Measurement type: Ratio
Units:NI_flag NI_flag NI_flag
Measurement type: Nominal NI_mdl NI_mdl NI_mdl
Measurement type: Ratio
Units:NI_unc NI_unc NI_unc
Measurement type: Ratio
Units:NI_val NI_val NI_val
Measurement type: Ratio
Units:NO3f_flag NO3f_flag NO3f_flag
Measurement type: Nominal NO3f_mdl NO3f_mdl NO3f_mdl
Measurement type: Ratio
Units:NO3f_unc NO3f_unc NO3f_unc
Measurement type: Ratio
Units:NO3f_val NO3f_val NO3f_val
Measurement type: Ratio
Units:obs_date obs_date obs_date
Measurement type: DateTime
Date/Time Format: DD/MM/YYYYobs_time obs_time obs_time
Measurement type: DateTime
Date/Time Format: hh:mm:ssOC1_flag OC1_flag OC1_flag
Measurement type: Nominal OC1_mdl OC1_mdl OC1_mdl
Measurement type: Ratio
Units:OC1_unc OC1_unc OC1_unc
Measurement type: Ratio
Units:OC1_val OC1_val OC1_val
Measurement type: Ratio
Units:OC2_flag OC2_flag OC2_flag
Measurement type: Nominal OC2_mdl OC2_mdl OC2_mdl
Measurement type: Ratio
Units:OC2_unc OC2_unc OC2_unc
Measurement type: Ratio
Units:OC2_val OC2_val OC2_val
Measurement type: Ratio
Units:OC3_flag OC3_flag OC3_flag
Measurement type: Nominal OC3_mdl OC3_mdl OC3_mdl
Measurement type: Ratio
Units:OC3_unc OC3_unc OC3_unc
Measurement type: Ratio
Units:OC3_val OC3_val OC3_val
Measurement type: Ratio
Units:OC4_flag OC4_flag OC4_flag
Measurement type: Nominal OC4_mdl OC4_mdl OC4_mdl
Measurement type: Ratio
Units:OC4_unc OC4_unc OC4_unc
Measurement type: Ratio
Units:OC4_val OC4_val OC4_val
Measurement type: Ratio
Units:OC_bext_flag OC_bext_flag OC_bext_flag
Measurement type: Nominal OC_bext_mdl OC_bext_mdl OC_bext_mdl
Measurement type: Ratio
Units:OC_bext_unc OC_bext_unc OC_bext_unc
Measurement type: Ratio
Units:OC_bext_val OC_bext_val OC_bext_val
Measurement type: Ratio
Units:OC_flag OC_flag OC_flag
Measurement type: Nominal OC_mdl OC_mdl OC_mdl
Measurement type: Ratio
Units:OC_unc OC_unc OC_unc
Measurement type: Ratio
Units:OC_val OC_val OC_val
Measurement type: Ratio
Units:OP_flag OP_flag OP_flag
Measurement type: Nominal OP_mdl OP_mdl OP_mdl
Measurement type: Ratio
Units:OP_unc OP_unc OP_unc
Measurement type: Ratio
Units:OP_val OP_val OP_val
Measurement type: Ratio
Units:PB_flag PB_flag PB_flag
Measurement type: Nominal PB_mdl PB_mdl PB_mdl
Measurement type: Ratio
Units:PB_unc PB_unc PB_unc
Measurement type: Ratio
Units:PB_val PB_val PB_val
Measurement type: Ratio
Units:P_flag P_flag P_flag
Measurement type: Nominal P_mdl P_mdl P_mdl
Measurement type: Ratio
Units:P_unc P_unc P_unc
Measurement type: Ratio
Units:P_val P_val P_val
Measurement type: Ratio
Units:RB_flag RB_flag RB_flag
Measurement type: Nominal RB_mdl RB_mdl RB_mdl
Measurement type: Ratio
Units:RB_unc RB_unc RB_unc
Measurement type: Ratio
Units:RB_val RB_val RB_val
Measurement type: Ratio
Units:RCFM_flag RCFM_flag RCFM_flag
Measurement type: Nominal RCFM_mdl RCFM_mdl RCFM_mdl
Measurement type: Ratio
Units:RCFM_unc RCFM_unc RCFM_unc
Measurement type: Ratio
Units:RCFM_val RCFM_val RCFM_val
Measurement type: Ratio
Units:RH_grid_flag RH_grid_flag RH_grid_flag
Measurement type: Nominal RH_grid_mdl RH_grid_mdl RH_grid_mdl
Measurement type: Ratio
Units:RH_grid_unc RH_grid_unc RH_grid_unc
Measurement type: Ratio
Units:RH_grid_val RH_grid_val RH_grid_val
Measurement type: Ratio
Units:SE_flag SE_flag SE_flag
Measurement type: Nominal SE_mdl SE_mdl SE_mdl
Measurement type: Ratio
Units:SE_unc SE_unc SE_unc
Measurement type: Ratio
Units:SE_val SE_val SE_val
Measurement type: Ratio
Units:site_code site_code site_code
Measurement type: Nominal SI_flag SI_flag SI_flag
Measurement type: Nominal SI_mdl SI_mdl SI_mdl
Measurement type: Ratio
Units:SI_unc SI_unc SI_unc
Measurement type: Ratio
Units:SI_val SI_val SI_val
Measurement type: Ratio
Units:SO2_flag SO2_flag SO2_flag
Measurement type: Nominal SO2_mdl SO2_mdl SO2_mdl
Measurement type: Ratio
Units:SO2_unc SO2_unc SO2_unc
Measurement type: Ratio
Units:SO2_val SO2_val SO2_val
Measurement type: Ratio
Units:SO4f_flag SO4f_flag SO4f_flag
Measurement type: Nominal SO4f_mdl SO4f_mdl SO4f_mdl
Measurement type: Ratio
Units:SO4f_unc SO4f_unc SO4f_unc
Measurement type: Ratio
Units:SO4f_val SO4f_val SO4f_val
Measurement type: Ratio
Units:SOILf_bext_flag SOILf_bext_flag SOILf_bext_flag
Measurement type: Nominal SOILf_bext_mdl SOILf_bext_mdl SOILf_bext_mdl
Measurement type: Ratio
Units:SOILf_bext_unc SOILf_bext_unc SOILf_bext_unc
Measurement type: Ratio
Units:SOILf_bext_val SOILf_bext_val SOILf_bext_val
Measurement type: Ratio
Units:SOILf_flag SOILf_flag SOILf_flag
Measurement type: Nominal SOILf_mdl SOILf_mdl SOILf_mdl
Measurement type: Ratio
Units:SOILf_unc SOILf_unc SOILf_unc
Measurement type: Ratio
Units:SOILf_val SOILf_val SOILf_val
Measurement type: Ratio
Units:SR_flag SR_flag SR_flag
Measurement type: Ratio
Units:SR_mdl SR_mdl SR_mdl
Measurement type: Ratio
Units:SR_unc SR_unc SR_unc
Measurement type: Ratio
Units:SR_val SR_val SR_val
Measurement type: Ratio
Units:S_flag S_flag S_flag
Measurement type: Nominal S_mdl S_mdl S_mdl
Measurement type: Ratio
Units:S_unc S_unc S_unc
Measurement type: Ratio
Units:S_val S_val S_val
Measurement type: Ratio
Units:TI_flag TI_flag TI_flag
Measurement type: Ratio
Units:TI_mdl TI_mdl TI_mdl
Measurement type: Ratio
Units:TI_unc TI_unc TI_unc
Measurement type: Ratio
Units:TI_val TI_val TI_val
Measurement type: Ratio
Units:V_flag V_flag V_flag
Measurement type: Nominal V_mdl V_mdl V_mdl
Measurement type: Ratio
Units:V_unc V_unc V_unc
Measurement type: Ratio
Units:V_val V_val V_val
Measurement type: Ratio
Units:ZN_flag ZN_flag ZN_flag
Measurement type: Nominal ZN_mdl ZN_mdl ZN_mdl
Measurement type: Ratio
Units:ZN_unc ZN_unc ZN_unc
Measurement type: Ratio
Units:ZN_val ZN_val ZN_val
Measurement type: Ratio
Units:ZR_flag ZR_flag ZR_flag
Measurement type: Nominal ZR_mdl ZR_mdl ZR_mdl
Measurement type: Ratio
Units:ZR_unc ZR_unc ZR_unc
Measurement type: Ratio
Units:ZR_val ZR_val ZR_val
Measurement type: Ratio
Units:Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
Current Equipment
Aerosol sampler
IMPROVE Module A Sampler
Duplicate sampler
Duplicate sampler for precision purposes.
Site Characteristics
The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection
- Site Description
Field Station at Proctor Maple Research Center, west slope of Mount Mansfield, establish in September 1988 as part of NESCAUM network.
- Site Description
Consistent with US EPA PM-2.5 Siting Criteria.
- Site Description
Field station for Lye Brook located on Little Equinox. Sampling there ended in October, 2012.
Minimum Altitude: 944 meter
Maximum Altitude: 944 meter
- Site Description
Field station for Lye Brook moved to Mount Snow, sampling began in December, 2011.
Minimum Altitude: 1006 meter
Maximum Altitude: 1006 meter