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     data   graph     files  public Ice optical properties: transmittance and albedo from ARSV Laurence M. Gould LMG0106, LMG0205
in the Southern Ocean from 2001-2002 (SOGLOBEC project)
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson
attribute NC_GLOBAL acquisition_description String From 2001 cruise report: The optics of the different sea ice types found in
the region. When weather and day light permitted, snow and ice albedo and
transmission measurements were taken. At only one site was the surface frozen
where we could measure the combined snow and ice albedo and transmission and
then shovel the area and re-measuring to subtract out the snow component. This
will allow us to sort out what component the snow and ice have individually in
the transmission of light into the ice and water column for the organisms to
grow. Our measurements were hampered due to blowing snow which we experienced
nearly every day and the fact that we needed to be stopped near solar noon as
the sun angle is low this time of year, so only a limited number of optics
measurements were performed.

From 2002 cruise report: We also measured the optics of the sea ice using a
scanning spectral radiometer. This instrument measures the light levels in 0.5
nanometer increments from 380 to 800 nanometers (visible light through the
near infrared). With this instrument we made optical measurements on seven
different ice floes. We performed these measurements through the undisturbed
snow and ice, and would then shovel off the area to obtain measurements of
just the sea ice with no snow cover. We first measured snow and bare ice
albedo, then upwelling irradiance at 1 cm increments as we lowered the sensor
down through the snow cover. We then would drill a hole in the ice and measure
upwelling irradiance at 2 cm to 5 cm increment down through the ice sheet both
before and after removing the snow cover. Additionally, the transmission of
light through both snow covered sea ice and bare ice was measured.
attribute NC_GLOBAL awards_0_award_nid String 54641
attribute NC_GLOBAL awards_0_award_number String ANT-9910122
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=9910122 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Antarctic Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF ANT
attribute NC_GLOBAL awards_0_funding_source_nid String 369
attribute NC_GLOBAL awards_0_program_manager String Bernhard Lettau
attribute NC_GLOBAL awards_0_program_manager_nid String 51516
attribute NC_GLOBAL awards_1_award_nid String 54794
attribute NC_GLOBAL awards_1_award_number String ANT-9910179
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=9910179 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Antarctic Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF ANT
attribute NC_GLOBAL awards_1_funding_source_nid String 369
attribute NC_GLOBAL awards_1_program_manager String Professor Kelly Falkner
attribute NC_GLOBAL awards_1_program_manager_nid String 51477
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String ice optics: transmittance and albedos
SOGLOBEC: LMG-0106, LMG-0205
PI: D. Martinson
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2010-06-16T20:40:39Z
attribute NC_GLOBAL date_modified String 2020-01-22T15:55:51Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.3124.1
attribute NC_GLOBAL Easternmost_Easting double -68.485
attribute NC_GLOBAL geospatial_lat_max double -65.5233
attribute NC_GLOBAL geospatial_lat_min double -68.0
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -68.485
attribute NC_GLOBAL geospatial_lon_min double -71.5167
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/3124 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String albedo, bco, bco-dmo, biological, chemical, comments, condition, coverage, cruise, cruise_id, data, dataset, date, day, day_local, depth, dmo, erddap, event, freebd, ice, ice_thick, latitude, local, longitude, management, month, month_local, oceanography, office, preliminary, sky, sky_condition, snow, snow_depth, thick, time, time_local, trans, trans45, trans45L, trans45R, trans90, trans90R, wavelength, year, yrday, yrday_local
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/3124/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/3124 (external link)
attribute NC_GLOBAL Northernmost_Northing double -65.5233
attribute NC_GLOBAL param_mapping String {'3124': {'lat': 'master - latitude', 'lon': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/3124/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Lamont-Doherty Earth Observatory
attribute NC_GLOBAL people_0_affiliation_acronym String LDEO
attribute NC_GLOBAL people_0_person_name String Dr Doug Martinson
attribute NC_GLOBAL people_0_person_nid String 51059
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Cold Regions Research and Engineering Laboratory
attribute NC_GLOBAL people_1_affiliation_acronym String CRREL
attribute NC_GLOBAL people_1_person_name String Dr Don Perovich
attribute NC_GLOBAL people_1_person_nid String 51060
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String University of California-Santa Barbara
attribute NC_GLOBAL people_2_affiliation_acronym String UCSB-NCEAS
attribute NC_GLOBAL people_2_person_name String Dr Raymond Smith
attribute NC_GLOBAL people_2_person_nid String 50852
attribute NC_GLOBAL people_2_role String Co-Principal Investigator
attribute NC_GLOBAL people_2_role_type String originator
attribute NC_GLOBAL people_3_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_3_person_name String Nancy Copley
attribute NC_GLOBAL people_3_person_nid String 50396
attribute NC_GLOBAL people_3_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL project String SOGLOBEC
attribute NC_GLOBAL projects_0_acronym String SOGLOBEC
attribute NC_GLOBAL projects_0_description String The fundamental objectives of United States Global Ocean Ecosystems Dynamics (U.S. GLOBEC) Program are dependent upon the cooperation of scientists from several disciplines. Physicists, biologists, and chemists must make use of data collected during U.S. GLOBEC field programs to further our understanding of the interplay of physics, biology, and chemistry. Our objectives require quantitative analysis of interdisciplinary data sets and, therefore, data must be exchanged between researchers. To extract the full scientific value, data must be made available to the scientific community on a timely basis.
attribute NC_GLOBAL projects_0_geolocation String Southern Ocean
attribute NC_GLOBAL projects_0_name String U.S. GLOBEC Southern Ocean
attribute NC_GLOBAL projects_0_project_nid String 2039
attribute NC_GLOBAL projects_0_project_website String http://www.ccpo.odu.edu/Research/globec_menu.html (external link)
attribute NC_GLOBAL projects_0_start_date String 2001-01
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -68.0
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Ice optical properties: transmittance and albedo from ARSV Laurence M. Gould LMG0106, LMG0205 in the Southern Ocean from 2001-2002 (SOGLOBEC project).
attribute NC_GLOBAL title String Ice optical properties: transmittance and albedo from ARSV Laurence M. Gould LMG0106, LMG0205 in the Southern Ocean from 2001-2002 (SOGLOBEC project)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -71.5167
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable cruise_id   String  
attribute cruise_id bcodmo_name String cruise_id
attribute cruise_id description String cruise designation; name
attribute cruise_id long_name String Cruise Id
variable year   short  
attribute year _FillValue short 32767
attribute year actual_range short 2001, 2002
attribute year bcodmo_name String year
attribute year description String year, reported as YYYY, e.g. 1995
attribute year long_name String Year
attribute year nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ (external link)
variable date_local   String  
attribute date_local bcodmo_name String date_local
attribute date_local description String local month, day and year
attribute date_local long_name String Date Local
attribute date_local source_name String date_local
attribute date_local time_precision String 1970-01-01
variable month_local   String  
attribute month_local bcodmo_name String month_local
attribute month_local description String month of year, local time , i.e. 01-12
attribute month_local long_name String Month Local
variable day_local   String  
attribute day_local bcodmo_name String day_local
attribute day_local description String day, local time e.g. 22.
attribute day_local long_name String Day Local
variable time_local   short  
attribute time_local _FillValue short 32767
attribute time_local actual_range short 1100, 1313
attribute time_local bcodmo_name String time_local
attribute time_local description String time of day, local time, using 2400 clock format
attribute time_local long_name String Time Local
variable yrday_local   float  
attribute yrday_local _FillValue float NaN
attribute yrday_local actual_range float 219.5507, 251.5417
attribute yrday_local bcodmo_name String yrday_local
attribute yrday_local description String local day and decimal time, as 326.5 for the 326th day of the year, or November 22 at 1200 hours (noon).
attribute yrday_local long_name String Yrday Local
variable event   short  
attribute event _FillValue short 32767
attribute event actual_range short 91, 242
attribute event bcodmo_name String event
attribute event description String event or operation number
attribute event long_name String Event
attribute event nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/ (external link)
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double -68.0, -65.5233
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String latitude, in decimal degrees, North is positive, negative denotes South
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -71.5167, -68.485
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String longitude, in decimal degrees, East is positive, negative denotes West
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable ice_thick   byte  
attribute ice_thick _FillValue byte 127
attribute ice_thick actual_range byte 31, 80
attribute ice_thick bcodmo_name String ice_thickness
attribute ice_thick description String ice thickness
attribute ice_thick long_name String Ice Thick
attribute ice_thick units String centimeters
variable freebd   byte  
attribute freebd _FillValue byte 127
attribute freebd actual_range byte 1, 6
attribute freebd bcodmo_name String unknown
attribute freebd description String freeboard: the distance from sea level to the ice surface
attribute freebd long_name String Freebd
attribute freebd units String centimeters
variable snow_depth   String  
attribute snow_depth bcodmo_name String snow_thickness
attribute snow_depth description String snow thickness
attribute snow_depth long_name String Snow Depth
attribute snow_depth units String centimeters
variable coverage   String  
attribute coverage bcodmo_name String unknown
attribute coverage description String whether ice is covered with snow or shoveled bare for measurement
attribute coverage long_name String Coverage
variable wavelength   String  
attribute wavelength bcodmo_name String wavelength
attribute wavelength description String wavelength
attribute wavelength long_name String Wavelength
attribute wavelength units String nanometers
variable albedo   String  
attribute albedo bcodmo_name String unknown
attribute albedo description String the ratio of diffusely reflected to incident electromagnetic radiation
attribute albedo long_name String Albedo
attribute albedo units String unitless
variable trans   String  
attribute trans bcodmo_name String transmission
attribute trans description String light transmission, as percent
attribute trans long_name String Trans
variable trans45R   String  
attribute trans45R bcodmo_name String transmission
attribute trans45R description String light transmission readings were taken by rotating the underwater detector 45 degrees clockwise
attribute trans45R long_name String Trans45 R
attribute trans45R units String percent
variable trans45L   String  
attribute trans45L bcodmo_name String transmission
attribute trans45L description String light transmission readings were taken by rotating the underwater detector 45 degrees counterclockwise
attribute trans45L long_name String Trans45 L
attribute trans45L units String percent
variable trans90R   float  
attribute trans90R _FillValue float NaN
attribute trans90R actual_range float 6.7E-4, 0.04248
attribute trans90R bcodmo_name String transmission
attribute trans90R description String light transmission readings were taken by rotating the underwater detector 90 degrees clockwise
attribute trans90R long_name String Trans90 R
attribute trans90R units String percent
variable sky_condition   String  
attribute sky_condition bcodmo_name String unknown
attribute sky_condition description String sky condition as in amount of cloudiness
attribute sky_condition long_name String Sky Condition
variable comments   String  
attribute comments bcodmo_name String comment
attribute comments description String free text comments
attribute comments long_name String Comments

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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