EBAS:Y848-NK7M.nc eng UTF8 dataset Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel US12O, National Park Service, Headquarters, NPS, 1849 C Street NW, , 20240, Washington DC, USA , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu ebas.nilu.no WWW:LINK web browser information pointOfContact 2026-05-17 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data ISO 19115-2:2009(E) 1 temporal 155573 3600.0 area Ground based in situ observations of nephelometer at Shenandoah National Park-Big Meadows (VA28) (US4828R) 2016-06-20T13:14:34 creation EBAS Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel US12O, National Park Service, Headquarters, NPS, 1849 C Street NW, , 20240, Washington DC, USA , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu ebas.nilu.no WWW:LINK web browser information originator Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm, Derek Day, William Malm data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter { "Data definition": "EBAS_1.1", "Data license": "https://creativecommons.org/licenses/by/4.0/", "Citation": "Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, - nephelometer at Shenandoah National Park-Big Meadows (VA28), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/Y848-NK7M", "Set type code": "TU", "Timezone": "UTC", "File name": "Y848-NK7M.nc", "Represents DOI": "https://doi.org/10.48597/Y848-NK7M", "Contains data from DOI": "https://doi.org/10.48597/Y848-NK7M", "File creation": "2023-12-13T09:18:35.503469 UTC", "Export state": "2018-10-23T09:13:20.103000 UTC", "Export filter": "exclude-900,exclude-invalid", "Startdate": "19970102000000", "Revision date": "20160620131434", "Version": "1", "Version description": "initial revision, cloud-screened, trace-gas corrected, manually inspected", "Statistics": "arithmetic mean", "Data level": "2", "Period code": "18y", "Resolution code": "1h", "Sample duration": "1h", "Orig. time res.": "1mn", "Station code": "US4828R", "Platform code": "US4828S", "Station name": "Shenandoah National Park-Big Meadows (VA28)", "Station latitude": "38.5225", "Station longitude": "-78.4358", "Station altitude": "1074.0 m", "Measurement height": "3.0 m", "Regime": "IMG", "Matrix": "instrument", "Laboratory code": "US11L", "Instrument type": "nephelometer", "Instrument name": "Optec-NGN-2_US4828", "Instrument manufacturer": "Optech", "Instrument model": "NGN-2", "Instrument serial number": "025", "Method ref": "US11L_IMPROVE_nephelometer_2004", "Standard method": "cal-gas=HFC-134a+AIR_truncation-correction=none+SOP=IMPROVE_nephelometer_2004", "Inlet type": "Hat or hood", "Inlet description": "open face inlet with rain roof and rain flap, Digitel, flow 140 l/min", "Humidity/temperature control": "None", "Humidity/temperature control description": "passive, sample heated from atmospheric to instrument temperature", "Volume std. temperature": "273.15 K", "Volume std. pressure": "1013.25 hPa", "Measurement uncertainty expl.": "calculated from replicate samples", "Zero/negative values code": "Zero/negative possible", "Zero/negative values": "Zero and neg. values may appear due to statistical variations at very low concentrations", "Organization": "US12O, \"National Park Service, Headquarters\", NPS, , \"1849 C Street NW, , 20240, Washington DC, USA\", , , , ", "Framework acronym": "GAW-WDCA, IMPROVE", "Framework name": "World Data Centre for Aerosols, IMPROVE", "Framework description": "The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., http://vista.cira.colostate.edu/improve/Publications/OtherDocs/IMPROVEDataGuide/IMPROVEDataGuide.htm", "Framework contact name": "Markus Fiebig, Paul Eckhardt", "Framework contact email": "Markus.Fiebig@nilu.no, pe@nilu.no", "Originator": "Schichtel, Bret, bret.schichtel@colostate.edu, Cooperative Institute for Research in the Atmosphere, CIRA, , Colorado State University, , 80523-1375, Fort Collins CO, ", "Submitter": "Malm, William, , , , , , , , , ", "Acknowledgement": "Request acknowledgement details from data originator", "Comment": "NO truncation correction" } Ground based in situ observations of nephelometer at Shenandoah National Park-Big Meadows (VA28) (US4828R). These measurements are gathered as a part of the following projects GAW-WDCA, IMPROVE and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: Request acknowledgement details from data originator Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel, Derek Day, Bret Schichtel US12O, National Park Service, Headquarters, NPS, 1849 C Street NW, , 20240, Washington DC, USA , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu, , bret.schichtel@colostate.edu ebas.nilu.no WWW:LINK web browser information pointOfContact GAW-WDCA IMPROVE Shenandoah National Park-Big Meadows (VA28) US4828R theme GAW-WDCA, IMPROVE project NILU - Norwegian Institute for Air Research, ATMOS, EBAS dataCenter status_flag status_flag time time theme CF-1.7, ACDD-1.3 https://creativecommons.org/licenses/by/4.0/ GAW-WDCA, IMPROVE largerWorkCitation project eng climatologyMeteorologyAtmosphere 1 -78.4358 -78.4358 38.5225 38.5225 seconds 1997-01-02T00:30:00Z 2014-10-02T04:30:00Z 1074.0 1074.0 time_bnds double time bounds for measurement metadata_time_bnds double time bounds for ebas metadata intervals pressure double pressure_qc int (status_flag) pressure_ebasmetadata String ebas metadata for different time intervals; json encoded temperature double temperature_qc int (status_flag) temperature_ebasmetadata String ebas metadata for different time intervals; json encoded time double time of measurement (time) metadata_time double time of ebas metadata intervals (time) NILU - Norwegian Institute for Air Research, ATMOS, EBAS ebas@nilu.no https://www.nilu.no/ WWW:LINK web browser URL for the data publisher This URL provides contact information for the publisher of this dataset information publisher OPeNDAP dataset None This record was translated from NcML using UnidataDD2MI.xsl Version 2.3.4. (2026-05-17T21:10:23.93Z)