netcdf sgparmbelandC1.c1.20160101.003000 { dimensions: time = UNLIMITED ; // (8784 currently) depth = 6 ; bound = 2 ; variables: int base_time ; base_time:string = "2016-01-01 00:00:00 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2016-01-01 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2016-01-01 00:00:00 0:00" ; time:calendar = "gregorian" ; time:axis = "T" ; time:bounds = "time_bounds" ; double time_bounds(time, bound) ; time_bounds:long_name = "Time cell bounds" ; time_bounds:bound_offsets = -1800., 1800. ; float time_frac(time) ; time_frac:long_name = "Calendar day fraction of the year" ; time_frac:units = "" ; time_frac:calendar = "gregorian" ; float depth(depth) ; depth:long_name = "Sensor depth below surface" ; depth:units = "cm" ; depth:standard_name = "height" ; depth:axis = "Z" ; depth:positive = "down" ; float soil_heat_flux_CO2FLX(time) ; soil_heat_flux_CO2FLX:long_name = "Average of up to 4 soil heat flux sensors from CO2FLX" ; soil_heat_flux_CO2FLX:units = "W/m^2" ; soil_heat_flux_CO2FLX:standard_name = "downward_heat_flux_in_soil" ; soil_heat_flux_CO2FLX:missing_value = -9999.f ; soil_heat_flux_CO2FLX:_FillValue = -9999.f ; soil_heat_flux_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float soil_temperature_upper_CO2FLX(time) ; soil_temperature_upper_CO2FLX:long_name = "Average of 2 upper soil temperature sensors from CO2FLX" ; soil_temperature_upper_CO2FLX:units = "degC" ; soil_temperature_upper_CO2FLX:standard_name = "soil_temperature" ; soil_temperature_upper_CO2FLX:missing_value = -9999.f ; soil_temperature_upper_CO2FLX:_FillValue = -9999.f ; soil_temperature_upper_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float soil_temperature_middle_CO2FLX(time) ; soil_temperature_middle_CO2FLX:long_name = "Average of 2 middle soil temperature sensors from CO2FLX" ; soil_temperature_middle_CO2FLX:units = "degC" ; soil_temperature_middle_CO2FLX:standard_name = "soil_temperature" ; soil_temperature_middle_CO2FLX:missing_value = -9999.f ; soil_temperature_middle_CO2FLX:_FillValue = -9999.f ; soil_temperature_middle_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float soil_temperature_lower_CO2FLX(time) ; soil_temperature_lower_CO2FLX:long_name = "Average of 2 lower soil temperature sensors from CO2FLX" ; soil_temperature_lower_CO2FLX:units = "degC" ; soil_temperature_lower_CO2FLX:standard_name = "soil_temperature" ; soil_temperature_lower_CO2FLX:missing_value = -9999.f ; soil_temperature_lower_CO2FLX:_FillValue = -9999.f ; soil_temperature_lower_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float soil_moisture_content_upper_CO2FLX(time) ; soil_moisture_content_upper_CO2FLX:long_name = "Average of 4 upper soil moisture sensors from CO2FLX" ; soil_moisture_content_upper_CO2FLX:units = "m3/m3" ; soil_moisture_content_upper_CO2FLX:missing_value = -9999.f ; soil_moisture_content_upper_CO2FLX:_FillValue = -9999.f ; soil_moisture_content_upper_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float soil_moisture_content_lower_CO2FLX(time) ; soil_moisture_content_lower_CO2FLX:long_name = "Average of 4 lower soil moisture sensors from CO2FLX" ; soil_moisture_content_lower_CO2FLX:units = "m^3/m^3" ; soil_moisture_content_lower_CO2FLX:missing_value = -9999.f ; soil_moisture_content_lower_CO2FLX:_FillValue = -9999.f ; soil_moisture_content_lower_CO2FLX:source_comment = "CO2FLX, 30 min data" ; float co2_flux(time) ; co2_flux:long_name = "WPL corrected CO2 flux from CO2FLX" ; co2_flux:units = "umol m-2 s-1" ; co2_flux:missing_value = -9999.f ; co2_flux:_FillValue = -9999.f ; co2_flux:source_comment = "CO2FLX, 30 min data" ; float co2_density(time) ; co2_density:long_name = "Mean CO2 density from CO2FLX" ; co2_density:units = "nmol/m^3" ; co2_density:missing_value = -9999.f ; co2_density:_FillValue = -9999.f ; co2_density:source_comment = "CO2FLX, 30 min data" ; float friction_velocity(time) ; friction_velocity:long_name = "Friction velocity from CO2FLX" ; friction_velocity:units = "m/s" ; friction_velocity:missing_value = -9999.f ; friction_velocity:_FillValue = -9999.f ; friction_velocity:source_comment = "CO2FLX, 30 min data" ; float ppfd(time) ; ppfd:long_name = "Photosynthetic photon flux density (PAR) from CO2FLX" ; ppfd:units = "umol m-2 s-1" ; ppfd:missing_value = -9999.f ; ppfd:_FillValue = -9999.f ; ppfd:source_comment = "CO2FLX, 30 min data" ; float ppfd_up(time) ; ppfd_up:long_name = "Upwelling photosynthetic photon flux density (PAR) from CO2FLX" ; ppfd_up:units = "umol m-2 s-1" ; ppfd_up:missing_value = -9999.f ; ppfd_up:_FillValue = -9999.f ; ppfd_up:source_comment = "CO2FLX, 30 min data" ; float soil_temperature_EBBR(time) ; soil_temperature_EBBR:long_name = "Mean soil temperature over the 5 sensors from EBBR" ; soil_temperature_EBBR:units = "degC" ; soil_temperature_EBBR:standard_name = "soil_temperature" ; soil_temperature_EBBR:missing_value = -9999.f ; soil_temperature_EBBR:_FillValue = -9999.f ; soil_temperature_EBBR:source_comment = "EBBR, 30 min data" ; float soil_moisture_content_EBBR(time) ; soil_moisture_content_EBBR:long_name = "Mean soil moisture over the 5 sensors from EBBR" ; soil_moisture_content_EBBR:units = "m^3/m^3" ; soil_moisture_content_EBBR:missing_value = -9999.f ; soil_moisture_content_EBBR:_FillValue = -9999.f ; soil_moisture_content_EBBR:source_comment = "EBBR, 30 min data" ; float surface_soil_heat_flux_EBBR(time) ; surface_soil_heat_flux_EBBR:long_name = "Mean surface soil heat flux over the 5 sensors from EBBR" ; surface_soil_heat_flux_EBBR:units = "W/m^2" ; surface_soil_heat_flux_EBBR:standard_name = "downward_heat_flux_at_ground_level_in_soil" ; surface_soil_heat_flux_EBBR:missing_value = -9999.f ; surface_soil_heat_flux_EBBR:_FillValue = -9999.f ; surface_soil_heat_flux_EBBR:source_comment = "EBBR, 30 min data" ; float soil_temperature_west_SWATS(time, depth) ; soil_temperature_west_SWATS:long_name = "Soil temperature, west profile from SWATS" ; soil_temperature_west_SWATS:units = "degC" ; soil_temperature_west_SWATS:standard_name = "soil_temperature" ; soil_temperature_west_SWATS:missing_value = -9999.f ; soil_temperature_west_SWATS:_FillValue = -9999.f ; soil_temperature_west_SWATS:source_comment = "SWATS, 1 hour data" ; float soil_temperature_east_SWATS(time, depth) ; soil_temperature_east_SWATS:long_name = "Soil temperature, east profile from SWATS" ; soil_temperature_east_SWATS:units = "degC" ; soil_temperature_east_SWATS:standard_name = "soil_temperature" ; soil_temperature_east_SWATS:missing_value = -9999.f ; soil_temperature_east_SWATS:_FillValue = -9999.f ; soil_temperature_east_SWATS:source_comment = "SWATS, 1 hour data" ; float soil_moisture_content_west_SWATS(time, depth) ; soil_moisture_content_west_SWATS:long_name = "Volumetric water content, west profile from SWATS" ; soil_moisture_content_west_SWATS:units = "m^3/m^3" ; soil_moisture_content_west_SWATS:missing_value = -9999.f ; soil_moisture_content_west_SWATS:_FillValue = -9999.f ; soil_moisture_content_west_SWATS:source_comment = "SWATS, 1 hour data" ; float soil_moisture_content_east_SWATS(time, depth) ; soil_moisture_content_east_SWATS:long_name = "Volumetric water content, east profile from SWATS" ; soil_moisture_content_east_SWATS:units = "m^3/m^3" ; soil_moisture_content_east_SWATS:missing_value = -9999.f ; soil_moisture_content_east_SWATS:_FillValue = -9999.f ; soil_moisture_content_east_SWATS:source_comment = "SWATS, 1 hour data" ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:standard_name = "latitude" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:standard_name = "longitude" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; // global attributes: :Conventions = "ARM-1.2" ; :title = "Atmospheric Research Measurement Best Estimate (ARMBE) Land Product, ARMBEland" ; :description = "ARMBE land hourly averaged qc controlled product, derived from ARM observational Value Added Product data: co2flx, swats, ebbr" ; :site_id = "sgp" ; :facility_id = "C1" ; :location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ; :platform_id = "armbeland" ; :data_level = "c1" ; :datastream = "sgparmbelandC1.c1" ; :dod_version = "armbeland-c1-0.1" ; :process_version = "adi-create_adi_project-1.12-0" ; :command_line = "idl -R -n adi_armbeland -s sgp -f C1 -b 19940101 -e 20170101 -D 2" ; :input_datastreams = "sgp30ebbrE13.b1 : 10.0 : 20160101.000000-20161231.000000\n", "sgpswatsE13.b1 : 12.0 : 20160101.000700-20161231.000700" ; :averaging_interval = "60 min" ; :references = "http://dx.doi.org/10.5439/1334513" ; :swats_soil_characterization = "E13 (Central Facility) This site is located on a broad hilltop, with the\n", "topmost sandstone layer about 88 cm below the surface. SWATS sensors are\n", "installed at depths of 5, 15, 25, 35, 60 and 85 cm in both profiles.\n", "Note: the original installation in late January, 1996 only included the top\n", "five levels. The lowest depth (85 cm) was added on 28 February 1997 and then\n", "removed again on 12 September 2008.\n", "\n", "West 5cm silt-loam\n", "West 15cm silt-loam\n", "West 25cm clay\n", "West 35cm clay-loam\n", "West 60cm clay-loam\n", "West 85cm clay-loam\n", "West 125cm n/a\n", "West 175cm n/a\n", "East 5cm silt-loam\n", "East 15cm silt-loam\n", "East 25cm clay\n", "East 35cm clay-loam\n", "East 60cm clay-loam\n", "East 85cm clay-loam\n", "East 125cm n/a\n", "East 175cm n/a" ; :swats_profile_distance = "1.0 meter between East and West sensor profiles." ; :ebbr_soil_characterization = "Silt Loam" ; :ebbr_sensor_depth = "all sensors at 5 cm" ; :co2flx_soil_temperature_sensor_depth = "T1,T4 = 25cm; T2,T5 = 15cm; T3,T6 = 5cm" ; :co2flx_soil_moisture_sensor_depth = "July 2001: M1, M3, M5, M7 = 15cm; M2, M4, M6, M8 = 5cm; December 2002 - present: M1, M3, M5, M7 = 25cm; M2, M4, M6, M8 = 5cm" ; :comment = "Sat Aug 30 02:06:44 2014 UTC: corrected units conversion for soil_moisture_content_EBBR by multiplying by 1.5: volumetric = gravimetric * bulk density / water density with bulk density for E13 equal 1.50" ; :doi = "10.5439/1334513" ; :history = "created by user chen73 on machine lead at 2017-05-23 22:17:37, using adi-create_adi_project-1.12-0" ; }