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ERDDAP > info > Irregular10Minute_6d3c_9d7e_422c

Title Sum-
Institution Dataset ID
   set  data   graph     PMEL Atmospheric Chemistry NEAQAS2002 irregular 10 minute data    ?   F   I   M   background (external link) RSS Subscribe
PMEL Atmospheric ...  ?

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Trajectory
attribute NC_GLOBAL cdm_trajectory_variables String traj, id
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL creation_date String 16:30 5-NOV-03
attribute NC_GLOBAL creator_email String at
attribute NC_GLOBAL creator_name String PMEL Atmospheric Chemistry
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL Easternmost_Easting double -67.319
attribute NC_GLOBAL featureType String Trajectory
attribute NC_GLOBAL geospatial_lat_max double 44.513
attribute NC_GLOBAL geospatial_lat_min double 38.657
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -67.319
attribute NC_GLOBAL geospatial_lon_min double -74.052
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String FERRET V7.01 (beta/debug) 19-Aug-16
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String PMEL Atmospheric Chemistry
attribute NC_GLOBAL keywords String aerosol, ammonia, ammonium, atmospheric, Br_1989, bromide, Ca_1932, calcium, chemistry, chloride, Cl_1944, concentration, data, days, DUR_628, duration, Earth Science > Oceans > Ocean Chemistry > Ammonia, Earth Science > Oceans > Ocean Chemistry > Nitrate, environmental, irregular, julian, K_1926, laboratory, latitude, lon360, longitude, magnesium, marine, Mg_1929, minute, mole, mole_concentration_of_ammonium_in_sea_water, mole_concentration_of_nitrate_in_sea_water, n02, Na_1920, neaqas2002, nh4, NH4_1923, nitrate, no3, NO3_1947, noaa, ocean, oceans, oxalate, Oxlate_1986, pacific, pmel, potassium, sample, sea, seawater, SO4_1950, sodium, soluble, submicron, sulfate, TIM_627, time, traj, trajectory, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String Data Licenses / Data Usage Restrictions
The data may be used and redistributed for free but is not intended
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attribute NC_GLOBAL Northernmost_Northing double 44.513
attribute NC_GLOBAL REMARK_01 String Aerosol Chemistry data from R/V RONALD H. BROWN during NEAQS 2002
attribute NC_GLOBAL REMARK_02 String NOAA PMEL PILS Chemistry Data
attribute NC_GLOBAL REMARK_03 String Contact person: Trish Quinn,
attribute NC_GLOBAL REMARK_04 String See Weber et al. (2001) for a description of the PILS (Particle-Into-L
attribute NC_GLOBAL REMARK_05 String The common aerosol inlet (heated to maintain the sample air at 55 +/- 5% RH) was
attribute NC_GLOBAL REMARK_06 String to deliver aerosol to the PILS. A Berner-type impactor with a 50% aerodynamic cu
attribute NC_GLOBAL REMARK_07 String diameter of 1.1 um was upstream of the PILS and sampled air at 55% RH.In order t
attribute NC_GLOBAL REMARK_08 String a 1.1 um cut off diameter, the impactor must have 30 slpm of flow at all times.
attribute NC_GLOBAL REMARK_09 String The PILS itself runs at 15 slpm with the flow controlled by a critical orifice.T
attribute NC_GLOBAL REMARK_10 String 30 slpm through the impactor, a make up flow through a bypass line was added of
attribute NC_GLOBAL REMARK_11 String Unfortunately, flow through the bypass line was switched on and off with the sec
attribute NC_GLOBAL REMARK_12 String control that is applied to the impactor sampling. Hence, there were times when
attribute NC_GLOBAL REMARK_13 String the flow through the impactor upstream of the PILS was less than 30 slpm which y
attribute NC_GLOBAL REMARK_14 String a cut off diameter greater than 1.1 um. This change to a larger size cut will ha
attribute NC_GLOBAL REMARK_15 String greatest effect on chemical species that are found primarily in the coarse mode,
attribute NC_GLOBAL REMARK_16 String sea salt components and nitrate. The change in cut size will not have a large ef
attribute NC_GLOBAL REMARK_17 String on species that are found primarily in the accumulation mode (e.g., SO4 and NH4)
attribute NC_GLOBAL REMARK_18 String This data set contains all data regardless of size cut. The data set "NEAQS2002_
attribute NC_GLOBAL REMARK_19 String contains only data for a flow of 30 slpm through the impactor and a cut off diam
attribute NC_GLOBAL REMARK_20 String 1.1 um.
attribute NC_GLOBAL REMARK_21 String Three denuders were located in series after the impactor. These were
attribute NC_GLOBAL REMARK_22 String 1) a denuder with carbon-impregnated filter strips to remove gas phase organics,
attribute NC_GLOBAL REMARK_23 String 2) a URG denuder coated with sodium carbonate for the removal of gas phase aceds
attribute NC_GLOBAL REMARK_24 String 3) a URG denuder coated with citric acid to remove gas phase bases.
attribute NC_GLOBAL REMARK_25 String The PILS was operated at 15 lpm. Liquid sample flow from the PILS went simultan
attribute NC_GLOBAL REMARK_26 String to a cation IC and an anion IC. A Metrosep C2-100 column was used to analyze the
attribute NC_GLOBAL REMARK_27 String (Na, NH4, K, Mg, and Ca) with a 2.5 mM MSA eluant. A Metrosep Supp 5-150 column
attribute NC_GLOBAL REMARK_28 String to analyze the anions (Cl, Br, NO3, SO4, oxalate) using a 4 mM carbonate/1 mM bi
attribute NC_GLOBAL REMARK_29 String eluant. Samples were collected and analyzed every 15 min.
attribute NC_GLOBAL REMARK_30 String The time stamp (in YYYY MM DD HH MM SS )in the file denotes the start of the sam
attribute NC_GLOBAL REMARK_31 String sample entered the aerosol inlet. It took 1.5 min to transit from the aerosol in
attribute NC_GLOBAL REMARK_32 String the sample loop and then 10 min to fill the loop.
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 38.657
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL subsetVariables String traj, id
attribute NC_GLOBAL summary String Pacific Marine Environmental Laboratory (PMEL) Atmospheric Chemistry New England Air Quality Study - 2002 irregular 10 minute data
attribute NC_GLOBAL time_coverage_end String 2002-08-08T00:34:40Z
attribute NC_GLOBAL time_coverage_start String 2002-07-15T12:03:42Z
attribute NC_GLOBAL TIME_PAR String year month day hour minute second
attribute NC_GLOBAL title String PMEL Atmospheric Chemistry NEAQAS2002 irregular 10 minute data
attribute NC_GLOBAL Westernmost_Easting double -74.052
variable traj   double  
attribute traj actual_range double 1.0, 1.0
attribute traj axis String E
attribute traj long_name String Traj
attribute traj point_spacing String even
variable id   String  
attribute id cf_role String trajectory_id
attribute id long_name String trajectory id
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.0267346219999998E9, 1.0287668800000002E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue float -1.0E34
attribute longitude actual_range float -74.052, -67.319
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude epic_code int 502
attribute longitude FORTRAN_format String f10.4
attribute longitude gap_value float -999.0
attribute longitude generic_name String lon
attribute longitude history String From NEAQS2002_PILS_copy
attribute longitude instr_id String GPS
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude max_value float 360.0
attribute longitude min_value float -180.0
attribute longitude missing_value float -1.0E34
attribute longitude name String LON
attribute longitude plot_lab String LONGT
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable lon360   float  
attribute lon360 _FillValue float -1.0E34
attribute lon360 actual_range float 285.948, 292.681
attribute lon360 colorBarMaximum double 180.0
attribute lon360 colorBarMinimum double -180.0
attribute lon360 history String From NEAQS2002_PILS_copy
attribute lon360 long_name String longitude 360
attribute lon360 missing_value float -1.0E34
attribute lon360 standard_name String longitude
attribute lon360 units String degrees_east
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue float -1.0E34
attribute latitude actual_range float 38.657, 44.513
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude epic_code int 500
attribute latitude FORTRAN_format String f10.4
attribute latitude gap_value float -999.0
attribute latitude generic_name String lat
attribute latitude history String From NEAQS2002_PILS_copy
attribute latitude instr_id String GPS
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude max_value float 90.0
attribute latitude min_value float -90.0
attribute latitude missing_value float -1.0E34
attribute latitude name String LAT
attribute latitude plot_lab String LAT
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable DUR_628   float  
attribute DUR_628 _FillValue float -1.0E34
attribute DUR_628 actual_range float 10.0, 10.0
attribute DUR_628 epic_code int 628
attribute DUR_628 gap_value float -999.0
attribute DUR_628 history String From NEAQS2002_PILS_copy
attribute DUR_628 instr_id String *
attribute DUR_628 long_name String Sample Duration
attribute DUR_628 max_value float 59.0
attribute DUR_628 min_value float 0.0
attribute DUR_628 missing_value float -1.0E34
attribute DUR_628 name String DUR
attribute DUR_628 plot_lab String Duration
attribute DUR_628 units String min
variable TIM_627   float  
attribute TIM_627 _FillValue float -1.0E34
attribute TIM_627 actual_range float 196.506, 220.0275
attribute TIM_627 epic_code int 627
attribute TIM_627 gap_value float -999.0
attribute TIM_627 generic_name String time
attribute TIM_627 history String From NEAQS2002_PILS_copy
attribute TIM_627 instr_id String *
attribute TIM_627 long_name String Julian Days
attribute TIM_627 max_value float 365.9999
attribute TIM_627 min_value float 1.0
attribute TIM_627 missing_value float -1.0E34
attribute TIM_627 name String TIM
attribute TIM_627 plot_lab String DayOfYear
variable Cl_1944   float  
attribute Cl_1944 _FillValue float -1.0E34
attribute Cl_1944 actual_range float 0.0, 11.20704
attribute Cl_1944 epic_code int 1944
attribute Cl_1944 gap_value float -999.0
attribute Cl_1944 history String From NEAQS2002_PILS_copy
attribute Cl_1944 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Cl_1944 long_name String Soluble Submicron Aerosol Chloride
attribute Cl_1944 max_value float 50.0
attribute Cl_1944 min_value float 0.0
attribute Cl_1944 missing_value float -1.0E34
attribute Cl_1944 name String Cl
attribute Cl_1944 plot_lab String subCl
attribute Cl_1944 units String ug/m^3
variable Br_1989   float  
attribute Br_1989 _FillValue float -1.0E34
attribute Br_1989 actual_range float 0.0, 0.13488
attribute Br_1989 epic_code int 1989
attribute Br_1989 gap_value float -999.0
attribute Br_1989 history String From NEAQS2002_PILS_copy
attribute Br_1989 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Br_1989 long_name String Soluble Submicron Aerosol Bromide
attribute Br_1989 max_value float 50.0
attribute Br_1989 min_value float 0.0
attribute Br_1989 missing_value float -1.0E34
attribute Br_1989 name String Br
attribute Br_1989 plot_lab String subBr
attribute Br_1989 units String ug/m^3
variable NO3_1947   float  
attribute NO3_1947 _FillValue float -1.0E34
attribute NO3_1947 actual_range float 0.0, 10.06371
attribute NO3_1947 colorBarMaximum double 50.0
attribute NO3_1947 colorBarMinimum double 0.0
attribute NO3_1947 epic_code int 1947
attribute NO3_1947 gap_value float -999.0
attribute NO3_1947 history String From NEAQS2002_PILS_copy
attribute NO3_1947 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute NO3_1947 long_name String Soluble Submicron Aerosol Nitrate
attribute NO3_1947 max_value float 50.0
attribute NO3_1947 min_value float 0.0
attribute NO3_1947 missing_value float -1.0E34
attribute NO3_1947 name String NO3
attribute NO3_1947 plot_lab String subNO3
attribute NO3_1947 standard_name String mole_concentration_of_nitrate_in_sea_water
attribute NO3_1947 units String ug/m^3
variable SO4_1950   float  
attribute SO4_1950 _FillValue float -1.0E34
attribute SO4_1950 actual_range float 0.0, 16.18989
attribute SO4_1950 epic_code int 1950
attribute SO4_1950 gap_value float -999.0
attribute SO4_1950 history String From NEAQS2002_PILS_copy
attribute SO4_1950 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute SO4_1950 long_name String Soluble Submicron Aerosol Sulfate
attribute SO4_1950 max_value float 50.0
attribute SO4_1950 min_value float 0.0
attribute SO4_1950 missing_value float -1.0E34
attribute SO4_1950 name String SO4
attribute SO4_1950 plot_lab String subSO4
attribute SO4_1950 units String ug/m^3
variable Oxlate_1986   float  
attribute Oxlate_1986 _FillValue float -1.0E34
attribute Oxlate_1986 actual_range float 0.0, 0.6099616
attribute Oxlate_1986 epic_code int 1986
attribute Oxlate_1986 gap_value float -999.0
attribute Oxlate_1986 history String From NEAQS2002_PILS_copy
attribute Oxlate_1986 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Oxlate_1986 long_name String Soluble Submicron Aerosol Oxalate
attribute Oxlate_1986 max_value float 50.0
attribute Oxlate_1986 min_value float 0.0
attribute Oxlate_1986 missing_value float -1.0E34
attribute Oxlate_1986 name String Oxlate
attribute Oxlate_1986 plot_lab String subOxalate
attribute Oxlate_1986 units String ug/m^3
variable Na_1920   float  
attribute Na_1920 _FillValue float -1.0E34
attribute Na_1920 actual_range float 0.0, 8.82112
attribute Na_1920 epic_code int 1920
attribute Na_1920 gap_value float -999.0
attribute Na_1920 history String From NEAQS2002_PILS_copy
attribute Na_1920 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Na_1920 long_name String Soluble Submicron Aerosol Sodium
attribute Na_1920 max_value float 50.0
attribute Na_1920 min_value float 0.0
attribute Na_1920 missing_value float -1.0E34
attribute Na_1920 name String Na
attribute Na_1920 plot_lab String subNa
attribute Na_1920 units String ug/m^3
variable NH4_1923   float  
attribute NH4_1923 _FillValue float -1.0E34
attribute NH4_1923 actual_range float 0.0, 4.13993
attribute NH4_1923 colorBarMaximum double 5.0
attribute NH4_1923 colorBarMinimum double 0.0
attribute NH4_1923 epic_code int 1923
attribute NH4_1923 gap_value float -999.0
attribute NH4_1923 history String From NEAQS2002_PILS_copy
attribute NH4_1923 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute NH4_1923 long_name String Soluble Submicron Aerosol Ammonium
attribute NH4_1923 max_value float 50.0
attribute NH4_1923 min_value float 0.0
attribute NH4_1923 missing_value float -1.0E34
attribute NH4_1923 name String NH4
attribute NH4_1923 plot_lab String subNH4
attribute NH4_1923 standard_name String mole_concentration_of_ammonium_in_sea_water
attribute NH4_1923 units String ug/m^3
variable K_1926   float  
attribute K_1926 _FillValue float -1.0E34
attribute K_1926 actual_range float 0.0, 7.01764
attribute K_1926 epic_code int 1926
attribute K_1926 gap_value float -999.0
attribute K_1926 history String From NEAQS2002_PILS_copy
attribute K_1926 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute K_1926 long_name String Soluble Submicron Aerosol Potassium
attribute K_1926 max_value float 50.0
attribute K_1926 min_value float 0.0
attribute K_1926 missing_value float -1.0E34
attribute K_1926 name String K
attribute K_1926 plot_lab String subK
attribute K_1926 units String ug/m^3
variable Mg_1929   float  
attribute Mg_1929 _FillValue float -1.0E34
attribute Mg_1929 actual_range float 0.0, 0.82922
attribute Mg_1929 epic_code int 1929
attribute Mg_1929 gap_value float -999.0
attribute Mg_1929 history String From NEAQS2002_PILS_copy
attribute Mg_1929 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Mg_1929 long_name String Soluble Submicron Aerosol Magnesium
attribute Mg_1929 max_value float 50.0
attribute Mg_1929 min_value float 0.0
attribute Mg_1929 missing_value float -1.0E34
attribute Mg_1929 name String Mg
attribute Mg_1929 plot_lab String subMg
attribute Mg_1929 units String ug/m^3
variable Ca_1932   float  
attribute Ca_1932 _FillValue float -1.0E34
attribute Ca_1932 actual_range float 0.0, 1.36726
attribute Ca_1932 epic_code int 1932
attribute Ca_1932 gap_value float -999.0
attribute Ca_1932 history String From NEAQS2002_PILS_copy
attribute Ca_1932 instr_id String PILS (Particle-Into-Liquid-Sampler)
attribute Ca_1932 long_name String Soluble Submicron Aerosol Calcium
attribute Ca_1932 max_value float 50.0
attribute Ca_1932 min_value float 0.0
attribute Ca_1932 missing_value float -1.0E34
attribute Ca_1932 name String Ca
attribute Ca_1932 plot_lab String subCa
attribute Ca_1932 units String ug/m^3

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