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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=1|netcdflibversion=4.6.1|hdf5libversion=1.10.6
attribute NC_GLOBAL acknowledgement String Funding and support provided by the National Science Foundation
attribute NC_GLOBAL cdm_data_type String Trajectory
attribute NC_GLOBAL cdm_trajectory_variables String study_name
attribute NC_GLOBAL comment String The Palmer, Antarctica, Long-Term Ecological Research project is a member site of the Long-Term Ecological Research program, a network of sites investigating diverse biomes.  A team of researchers seeks to understand the structure and function of the Western Antarctic Peninsula's marine and terrestrial ecosystems in the context of seasonal-to-interannual atmospheric and sea ice dynamics, as well as long-term climate change. The PAL measurement system (or grid) is designed to study marine and terrestrial food webs consisting principally of diatom primary producers, the dominant herbivore Antarctic krill, and the apex predator Adelie penguin. An attenuated microbial food web is also a focus. PAL studies these ecosystems annually over a regional scale grid of oceanographic stations and seasonally at Palmer Station. \\n\\nPalmer Station is located on Anvers Island west of the Antarctic Peninula. The peninsula runs perpendicular to a strong climatic gradient between the cold, dry continental regime to the south, characteristic of the Antarctic interior, and the warm, moist, maritime regime to the north. North-south shifts in the gradient give rise to large environmental variability to climate change. Sea ice extent and variability affects ecosystem changes at all trophic levels.  In addition to the long-term field and research activities, information management, graduate student training,  education and outreach are an integral part of the program.
attribute NC_GLOBAL contributor_email String bfraser at 3rivers.net
attribute NC_GLOBAL contributor_name String William Fraser
attribute NC_GLOBAL contributor_role String PrincipalInvestigator
attribute NC_GLOBAL contributor_role_vocabulary String https://vocab.nerc.ac.uk/collection/G04/current/ (external link)
attribute NC_GLOBAL Conventions String CF-1.8, ACDD-1.3, COARDS
attribute NC_GLOBAL creator_country String USA
attribute NC_GLOBAL creator_email String kerfoot at marine.rutgers.edu
attribute NC_GLOBAL creator_institution String Rutgers University
attribute NC_GLOBAL creator_name String John Kerfoot
attribute NC_GLOBAL creator_sector String academic
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String https://rucool.marine.rutgers.edu (external link)
attribute NC_GLOBAL datazoo_dataset_id String 102
attribute NC_GLOBAL datazoo_datatable_id String 102
attribute NC_GLOBAL datazoo_datatable_label String Bird Census Log Moving - Summer
attribute NC_GLOBAL datazoo_datatable_name String BirdCensusLogMovingSummer
attribute NC_GLOBAL date_created String 2021-09-09T14:54:52Z
attribute NC_GLOBAL date_issued String 2021-09-09T14:54:52Z
attribute NC_GLOBAL defaultDataQuery String null
attribute NC_GLOBAL defaultGraphQuery String longitude,latitude,time&.draw=markers&.marker=6%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff
attribute NC_GLOBAL Easternmost_Easting double -62.03464999999999
attribute NC_GLOBAL featureType String Trajectory
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_bounds_vertical_crs String EPSG:5831
attribute NC_GLOBAL geospatial_lat_max double -63.522299999999994
attribute NC_GLOBAL geospatial_lat_min double -69.81183
attribute NC_GLOBAL geospatial_lat_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -62.03464999999999
attribute NC_GLOBAL geospatial_lon_min double -78.20842
attribute NC_GLOBAL geospatial_lon_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 10000.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String data_pallter_oi_datazoo_datatables.dat_102
attribute NC_GLOBAL infoUrl String https://pal.lternet.edu/ (external link)
attribute NC_GLOBAL institution String National Science Foundation
attribute NC_GLOBAL keywords String birds, habitats, mammals, marine, Population Studies, populations, taxonomy
attribute NC_GLOBAL keywords_vocabulary String LTER Controlled Vocabulary,LTER Core Areas
attribute NC_GLOBAL license String All data contained herein is licensed under the LTER Network Data Access Policy (https://lternet.edu/data-access-policy/) (external link). In accordance with scientific publishing conventions and professional etiquette, the consumer of these data (the \"Data User\") is expected to appropriately cite these data in any publication that results from their use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur and should realize that misinterpretation of data may occur if used out of context of the original study. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the data authors. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available \"as is.\" The Data User should be aware that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data.
attribute NC_GLOBAL license_link String https://lternet.edu/data-access-policy/ (external link)
attribute NC_GLOBAL naming_authority String edu.rutgers.rucool
attribute NC_GLOBAL Northernmost_Northing double -63.522299999999994
attribute NC_GLOBAL product_version String 1.0
attribute NC_GLOBAL program String LTER
attribute NC_GLOBAL project String Palmer LTER
attribute NC_GLOBAL publisher_country String USA
attribute NC_GLOBAL publisher_email String kerfoot at marine.rutgers.edu
attribute NC_GLOBAL publisher_institution String Rutgers University
attribute NC_GLOBAL publisher_name String John Kerfoot
attribute NC_GLOBAL publisher_type String person
attribute NC_GLOBAL publisher_url String https://rucool.marine.rutgers.edu (external link)
attribute NC_GLOBAL references String https://pal.lternet.edu/ (external link)
attribute NC_GLOBAL sea_name String Southern Ocean
attribute NC_GLOBAL source String /Users/kerfoot/data/lter/data/tsv/dat_102/dat_102_LMG06-01.tsv
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -69.81183
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v77
attribute NC_GLOBAL subsetVariables String study_name,cruise_id
attribute NC_GLOBAL summary String At-sea seabird censuses. Data on the species encountered (including marine mammals), their abundance, distribution and behavior. Data collected aboard cruises off the coast of the Western Antarctic Penninsula, 1993 - present. The objectives of the LTER seabird component during the 92-93 season cruises were similar.  These objectives included 1) determining the pelagic abundance and distribution of Adelie Penguins, 2) examining how the physical and biological characteristics of the marine environment influence these parameters and, 3) using these data to identify foraging areas that may be important to Adelie populations being studied as part of land-based  work at Palmer Station.  Secondary objectives included documenting the abundance and distribution of other seabirds and marine mammals within the LTER study area.  The focus of the January cruise was the nearshore foraging habitat,which required sampling at smaller scales.  All seabird censuses were thus conducted within approximately 100 kms of Palmer Station while traversing a sampling grid with stations at 10km intervals.  The first two days (18-20 January) of this cruise were spent covering the selected grid as rapidly as possible resulting in 45 transects spaced at 45-60 minute intervals.  There were no stops at the 10km stations during this Fast Grid phase.  Upon completion of the Fast Grid, a force 12 gale suspended data collection for 24 hours.  From January 22-25 the grid direction was reversed and the grid repeated.  During this Slow Grid phase, 2-M net tows were done at 10km intervals and BOPS and 1-M and 2-M net tows every 20 km.  All seabird censusesduring the cruise were done using the procedures outlined in theprevious paragraph.
attribute NC_GLOBAL time_coverage_end String 2018-01-18T03:46:00Z
attribute NC_GLOBAL time_coverage_start String 1993-01-18T10:14:00Z
attribute NC_GLOBAL title String At-sea seabird censuses. Data on the species encountered (including marine mammals), their abundance, distribution and behavior. Data collected aboard cruises off the coast of the Western Antarctic Penninsula, 1993, present.
attribute NC_GLOBAL Westernmost_Easting double -78.20842
variable study_name String
attribute study_name cf_role String trajectory_id
attribute study_name column_name String studyName
attribute study_name comment String Cruise name
attribute study_name ioos_category String Identifier
attribute study_name long_name String Study
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 7.2735204E8, 1.51624716E9
attribute time axis String T
attribute time calendar String proleptic_gregorian
attribute time column_name String time
attribute time comment String Created by combining year_month and ddhhmm columns
attribute time ioos_category String Time
attribute time long_name String Date/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 latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double 9.969209968386869E36
attribute latitude actual_range double -69.81183, -63.522299999999994
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude column_id long 1509
attribute latitude column_name String col_1509
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude lter_column_description String Latitude at beginning of transect, recorded as DDMM.MMM
attribute latitude lter_column_name String Latitude Start
attribute latitude lter_mscale String nominal
attribute latitude source_name String lat_start
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double 9.969209968386869E36
attribute longitude actual_range double -78.20842, -62.03464999999999
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude column_id long 1510
attribute longitude column_name String col_1510
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude lter_column_description String Longitude at beginning of transect, recorded as DDMM.MMM
attribute longitude lter_column_name String Longitude Start
attribute longitude lter_mscale String nominal
attribute longitude source_name String lon_start
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable lat_end double
attribute lat_end _FillValue double 9.969209968386869E36
attribute lat_end actual_range double -69.8069, -46.486
attribute lat_end colorBarMaximum double 90.0
attribute lat_end colorBarMinimum double -90.0
attribute lat_end column_id long 1511
attribute lat_end column_name String col_1511
attribute lat_end ioos_category String Location
attribute lat_end long_name String Latitude
attribute lat_end lter_column_description String Latitude at end of transect, recorded as DDMM.MMM
attribute lat_end lter_column_name String Latitude End
attribute lat_end lter_mscale String nominal
attribute lat_end standard_name String latitude
attribute lat_end units String degrees_north
variable lon_end double
attribute lon_end _FillValue double 9.969209968386869E36
attribute lon_end actual_range double -78.04681666666667, -35.013783333333336
attribute lon_end colorBarMaximum double 180.0
attribute lon_end colorBarMinimum double -180.0
attribute lon_end column_id long 1512
attribute lon_end column_name String col_1512
attribute lon_end ioos_category String Location
attribute lon_end long_name String Longitude
attribute lon_end lter_column_description String Longitude at end of transect, recorded as DDMM.MMM
attribute lon_end lter_column_name String Longitude End
attribute lon_end lter_mscale String nominal
attribute lon_end standard_name String longitude
attribute lon_end units String degrees_east
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double 9.969209968386869E36
attribute depth actual_range double 0.0, 10000.0
attribute depth axis String Z
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth column_id long 1524
attribute depth column_name String col_1524
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth lter_column_description String measurement or sample collection distance from water column surface
attribute depth lter_column_name String Depth
attribute depth lter_mscale String ratio
attribute depth lter_num_type String real
attribute depth lter_units String m
attribute depth lter_units_string String meter
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
attribute depth units_conventions String AND-LTER,BNZ-LTER,CDR-LTER,EML-2.0.1,EML-2.1.0,EML-LTER,LUQ-LTER,SGS-LTER
variable event short
attribute event _FillValue short 32767
attribute event actual_range short 0, 9999
attribute event column_id long 1501
attribute event column_name String col_1501
attribute event ioos_category String Unknown
attribute event long_name String Event
attribute event lter_column_description String Sequential index of pertinent sampling/observation/activity events, beginning at 1
attribute event lter_column_name String Event Number
attribute event lter_mscale String nominal
attribute event lter_units_string String number
attribute event units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable cruise_id short
attribute cruise_id _FillValue short 32767
attribute cruise_id actual_range short 1, 9901
attribute cruise_id column_id long 1503
attribute cruise_id column_name String col_1503
attribute cruise_id ioos_category String Identifier
attribute cruise_id long_name String Cruise Id
attribute cruise_id lter_column_description String Nominal cruise label
attribute cruise_id lter_column_name String Cruise Name
attribute cruise_id lter_mscale String nominal
variable start_station String
attribute start_station column_id long 1504
attribute start_station column_name String col_1504
attribute start_station ioos_category String Unknown
attribute start_station long_name String Start Station
attribute start_station lter_column_description String Palmer LTER grid station at beginning of transect
attribute start_station lter_column_name String Station Start
attribute start_station lter_mscale String nominal
variable end_station String
attribute end_station column_id long 1505
attribute end_station column_name String col_1505
attribute end_station ioos_category String Unknown
attribute end_station long_name String End Station
attribute end_station lter_column_description String Palmer LTER grid station at end of transect
attribute end_station lter_column_name String Station End
attribute end_station lter_mscale String nominal
variable duration byte
attribute duration _FillValue byte 127
attribute duration actual_range byte -116, 115
attribute duration column_id long 1506
attribute duration column_name String col_1506
attribute duration ioos_category String Time
attribute duration long_name String Duration
attribute duration lter_column_description String Duration in minutes
attribute duration lter_column_name String Total Time
attribute duration lter_mscale String ratio
attribute duration lter_num_type String integer
attribute duration lter_units String min
attribute duration lter_units_string String minute
attribute duration units String minutes
attribute duration units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER,LUQ-LTER,SGS-LTER
variable ship_speed double
attribute ship_speed _FillValue double 9.969209968386869E36
attribute ship_speed actual_range double 2.0, 99.9
attribute ship_speed column_id long 1507
attribute ship_speed column_name String col_1507
attribute ship_speed ioos_category String Unknown
attribute ship_speed long_name String Ship Speed
attribute ship_speed lter_column_description String distance travelled per unit of time
attribute ship_speed lter_column_name String Ship Speed
attribute ship_speed lter_mscale String ratio
attribute ship_speed lter_num_type String real
attribute ship_speed lter_units_string String knot
attribute ship_speed units_conventions String EML-LTER
variable ship_course double
attribute ship_course _FillValue double 9.969209968386869E36
attribute ship_course actual_range double 3.0, 3188.0
attribute ship_course column_id long 1508
attribute ship_course column_name String col_1508
attribute ship_course ioos_category String Unknown
attribute ship_course long_name String Ship Course
attribute ship_course lter_column_description String The route or direction followed
attribute ship_course lter_column_name String Ship Course
attribute ship_course lter_mscale String nominal
variable wind_speed_start double
attribute wind_speed_start _FillValue double 9.969209968386869E36
attribute wind_speed_start actual_range double 1.0, 271.0
attribute wind_speed_start colorBarMaximum double 15.0
attribute wind_speed_start colorBarMinimum double 0.0
attribute wind_speed_start column_id long 1513
attribute wind_speed_start column_name String col_1513
attribute wind_speed_start ioos_category String Wind
attribute wind_speed_start long_name String Wind Speed
attribute wind_speed_start lter_column_description String WMO wind speed
attribute wind_speed_start lter_column_name String Wind Speed Start
attribute wind_speed_start lter_mscale String nominal
attribute wind_speed_start standard_name String wind_speed
attribute wind_speed_start units String m s-1
variable wind_direction_start short
attribute wind_direction_start _FillValue short 32767
attribute wind_direction_start actual_range short 0, 358
attribute wind_direction_start colorBarMaximum double 360.0
attribute wind_direction_start colorBarMinimum double 0.0
attribute wind_direction_start column_id long 1514
attribute wind_direction_start column_name String col_1514
attribute wind_direction_start ioos_category String Wind
attribute wind_direction_start long_name String Wind To Direction
attribute wind_direction_start lter_column_description String WMO defined wind direction
attribute wind_direction_start lter_column_name String Wind Direction Start
attribute wind_direction_start lter_mscale String nominal
attribute wind_direction_start standard_name String wind_to_direction
variable wind_speed_end double
attribute wind_speed_end _FillValue double NaN
attribute wind_speed_end actual_range double 1.0, 39.0
attribute wind_speed_end colorBarMaximum double 15.0
attribute wind_speed_end colorBarMinimum double 0.0
attribute wind_speed_end column_id long 1515
attribute wind_speed_end column_name String col_1515
attribute wind_speed_end ioos_category String Wind
attribute wind_speed_end long_name String Wind Speed
attribute wind_speed_end lter_column_description String WMO wind speed
attribute wind_speed_end lter_column_name String Wind Speed End
attribute wind_speed_end lter_mscale String nominal
attribute wind_speed_end missing_value double NaN
attribute wind_speed_end standard_name String wind_speed
attribute wind_speed_end units String m s-1
variable wind_direction_end short
attribute wind_direction_end _FillValue short 32767
attribute wind_direction_end actual_range short 0, 854
attribute wind_direction_end colorBarMaximum double 360.0
attribute wind_direction_end colorBarMinimum double 0.0
attribute wind_direction_end column_id long 1516
attribute wind_direction_end column_name String col_1516
attribute wind_direction_end ioos_category String Wind
attribute wind_direction_end long_name String Wind To Direction
attribute wind_direction_end lter_column_description String WMO defined wind direction
attribute wind_direction_end lter_column_name String Wind Direction End
attribute wind_direction_end lter_mscale String nominal
attribute wind_direction_end standard_name String wind_to_direction
variable sea_state long
attribute sea_state _FillValue long 9223372036854775807
attribute sea_state actual_range long 0, 9
attribute sea_state column_id long 1517
attribute sea_state column_name String col_1517
attribute sea_state ioos_category String Location
attribute sea_state long_name String Sea State
attribute sea_state lter_column_description String Beaufort scale sea state
attribute sea_state lter_column_name String Sea State
attribute sea_state lter_mscale String nominal
variable salinity double
attribute salinity _FillValue double 9.969209968386869E36
attribute salinity actual_range double 30.879, 99.911
attribute salinity colorBarMaximum double 37.0
attribute salinity colorBarMinimum double 32.0
attribute salinity column_id long 1518
attribute salinity column_name String col_1518
attribute salinity ioos_category String Salinity
attribute salinity long_name String Sea Water Practical Salinity
attribute salinity lter_column_description String salinity, PSS-78
attribute salinity lter_column_name String Salinity
attribute salinity lter_mscale String ratio
attribute salinity lter_num_type String real
attribute salinity lter_units String PSU
attribute salinity lter_units_string String practicalSalinityUnit
attribute salinity standard_name String sea_water_practical_salinity
attribute salinity units String 1
attribute salinity units_conventions String MCM-LTER,PAL-LTER
variable chlorophyll_a double
attribute chlorophyll_a _FillValue double 9.969209968386869E36
attribute chlorophyll_a actual_range double 0.0, 37.67
attribute chlorophyll_a colorBarMaximum double 30.0
attribute chlorophyll_a colorBarMinimum double 0.03
attribute chlorophyll_a colorBarScale String Log
attribute chlorophyll_a column_id long 1519
attribute chlorophyll_a column_name String col_1519
attribute chlorophyll_a ioos_category String Ocean Color
attribute chlorophyll_a long_name String Mass Concentration Of Chlorophyll A In Sea Water
attribute chlorophyll_a lter_column_description String fluorescence
attribute chlorophyll_a lter_column_name String Fluorometry
attribute chlorophyll_a lter_mscale String ratio
attribute chlorophyll_a lter_num_type String real
attribute chlorophyll_a lter_units String mg/m³
attribute chlorophyll_a lter_units_string String milligramPerMeterCubed
attribute chlorophyll_a standard_name String mass_concentration_of_chlorophyll_a_in_sea_water
attribute chlorophyll_a units String mg m-3
attribute chlorophyll_a units_conventions String EML-LTER
variable habitat long
attribute habitat _FillValue long 9223372036854775807
attribute habitat actual_range long 0, 4
attribute habitat column_id long 1520
attribute habitat column_name String col_1520
attribute habitat ioos_category String Unknown
attribute habitat long_name String Habitat
attribute habitat lter_column_description String PAL LTER habitat
attribute habitat lter_column_name String Habitat
attribute habitat lter_mscale String nominal
variable ice_cover long
attribute ice_cover _FillValue long 9223372036854775807
attribute ice_cover actual_range long 0, 8
attribute ice_cover column_id long 1521
attribute ice_cover column_name String col_1521
attribute ice_cover ioos_category String Ice Distribution
attribute ice_cover long_name String Ice Cover
attribute ice_cover lter_column_description String PAL LTER ice cover
attribute ice_cover lter_column_name String Ice Cover
attribute ice_cover lter_mscale String nominal
variable ice_type long
attribute ice_type _FillValue long 9223372036854775807
attribute ice_type actual_range long 0, 4
attribute ice_type column_id long 1522
attribute ice_type column_name String col_1522
attribute ice_type ioos_category String Ice Distribution
attribute ice_type long_name String Ice Type
attribute ice_type lter_column_description String PAL LTER ice type
attribute ice_type lter_column_name String Ice Type
attribute ice_type lter_mscale String nominal
variable ice_color long
attribute ice_color _FillValue long 9223372036854775807
attribute ice_color actual_range long 0, 3
attribute ice_color column_id long 1523
attribute ice_color column_name String col_1523
attribute ice_color ioos_category String Ice Distribution
attribute ice_color long_name String Ice Color
attribute ice_color lter_column_description String PAL LTER ice color
attribute ice_color lter_column_name String Ice Color
attribute ice_color lter_mscale String nominal
variable notes String
attribute notes column_id long 1525
attribute notes column_name String col_1525
attribute notes ioos_category String Unknown
attribute notes long_name String Notes
attribute notes lter_column_description String text field to describe a log entry (ex. event log)
attribute notes lter_column_name String Notes
attribute notes lter_mscale String nominal

 
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