Easier access to scientific data
Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The Pacific Islands Ocean Observing System (PacIOOS) is funded through the National Oceanic and Atmospheric Administration (NOAA) as a Regional Association within the U.S. Integrated Ocean Observing System (IOOS). PacIOOS is coordinated by the University of Hawaii School of Ocean and Earth Science and Technology (SOEST). Hui O Ka Wai Ola is a partnership between The Nature Conservancy (TNC) Hawaii, Maui Nui Marine Resource Council, and West Maui Ridge to Reef (R2R) Initiative and supported by NOAA Coral Reef Conservation Program, National Fish and Wildlife Foundation (NFWF), Lahainaluna High School, Maui County, and North Beach-West Maui Benefit Fund, Inc.
attribute NC_GLOBAL cdm_data_type String Point
attribute NC_GLOBAL comment String Please visit for full methods and further information.
attribute NC_GLOBAL Conventions String CF-1.10, ACDD-1.3
attribute NC_GLOBAL creator_email String huiokawaiola at
attribute NC_GLOBAL creator_institution String Hui O Ka Wai Ola
attribute NC_GLOBAL creator_name String Hui O Ka Wai Ola
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL date_created String 2016-06-14
attribute NC_GLOBAL date_issued String 2018-08-23
attribute NC_GLOBAL date_metadata_modified String 2023-02-21
attribute NC_GLOBAL date_modified String 2016-06-14
attribute NC_GLOBAL defaultDataQuery String &time>=max(time)-1week&time<=max(time)
attribute NC_GLOBAL defaultGraphQuery String longitude,latitude,turbidity&time>=max(time)-1week&.draw=markers
attribute NC_GLOBAL Easternmost_Easting double -156.436853
attribute NC_GLOBAL featureType String Point
attribute NC_GLOBAL geospatial_bounds String POLYGON ((20.5241 -156.8935, 21.0736 -156.8935, 21.0736 -155.9193, 20.5241 -155.9193, 20.5241 -156.8935))
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_lat_max double 21.013058
attribute NC_GLOBAL geospatial_lat_min double 20.6138
attribute NC_GLOBAL geospatial_lat_resolution double 0.0
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -156.436853
attribute NC_GLOBAL geospatial_lon_min double -156.893479
attribute NC_GLOBAL geospatial_lon_resolution double 0.0
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_positive String up
attribute NC_GLOBAL geospatial_vertical_resolution double 0.0
attribute NC_GLOBAL geospatial_vertical_units String meters
attribute NC_GLOBAL history String 2016-06-14T18:03:00Z Project begins. First data samples collected.\n2018-08-24T00:00:00Z PacIOOS begins ingesting Hui O Ka Wai Ola data spreadsheets into PacIOOS ERDDAP data server.\n2023-06-16T18:00:00Z First data observation collected on Lanai.
attribute NC_GLOBAL id String hui_water_quality
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String Hui O Ka Wai Ola
attribute NC_GLOBAL instrument String In Situ/Laboratory Instruments > Chemical Meters/Analyzers > > > Autoanalyzer, In Situ/Laboratory Instruments > Chemical Meters/Analyzers > > > pH Meters, In Situ/Laboratory Instruments > Conductivity Sensors, In Situ/Laboratory Instruments > Photon/Optical Detectors > > > Turbidity Meters, In Situ/Laboratory Instruments > Samplers > Bottles/Flasks/Jars, In Situ/Laboratory Instruments > Temperature/Humidity Sensors > > > Temperature Sensors
attribute NC_GLOBAL instrument_vocabulary String GCMD Instrument Keywords
attribute NC_GLOBAL ISO_Topic_Categories String climatologyMeteorologyAtmosphere, environment, health, oceans
attribute NC_GLOBAL keywords String Earth Science > Oceans > Ocean Chemistry > Ammonia, Earth Science > Oceans > Ocean Chemistry > Marine Geochemistry, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > Nitrite, Earth Science > Oceans > Ocean Chemistry > Nitrogen, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Chemistry > pH, Earth Science > Oceans > Ocean Chemistry > Phosphate, Earth Science > Oceans > Ocean Chemistry > Phosphorus, Earth Science > Oceans > Ocean Chemistry > Silicate, Earth Science > Oceans > Ocean Optics > Turbidity, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity, Earth Science > Oceans > Water Quality > Ocean Contaminants
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, University of Hawaii, PacIOOS, NOAA, State of Hawaii nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information.
attribute NC_GLOBAL locations String Continent > North America > United States Of America > Hawaii, Ocean > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Maui, Ocean > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Lanai
attribute NC_GLOBAL locations_vocabulary String GCMD Location Keywords
attribute NC_GLOBAL metadata_link String (external link)
attribute NC_GLOBAL naming_authority String org.pacioos
attribute NC_GLOBAL Northernmost_Northing double 21.013058
attribute NC_GLOBAL platform String In Situ Land-based Platforms > Ocean Platform/Ocean Stations > Coastal Stations
attribute NC_GLOBAL platform_vocabulary String GCMD Platform Keywords
attribute NC_GLOBAL processing_level String provisional
attribute NC_GLOBAL program String Hui O Ka Wai Ola
attribute NC_GLOBAL project String Hui O Ka Wai Ola
attribute NC_GLOBAL publisher_email String info at
attribute NC_GLOBAL publisher_institution String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_name String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL references String; Falinski, Kim, Dana Reed, Tova Callender, Emily Fielding, Robin Newbold, and Alana Yurkanin. (2018). Hui O Ka Wai Ola Water Quality Data [Data set]. Zenodo. (external link)
attribute NC_GLOBAL source String in situ measurements and water samples
attribute NC_GLOBAL sourceUrl String (external link)
attribute NC_GLOBAL Southernmost_Northing double 20.6138
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v39
attribute NC_GLOBAL subsetVariables String location_id, location_name, session_id
attribute NC_GLOBAL summary String The goal of the Hui O Ka Wai Ola (Association Of The Living Waters) citizen-science based water quality program is to increase the capacity for monitoring water quality in Maui (2016-) and Lanai (2023-) coastal waters by generating reliable data to assess long-term water-quality conditions and detect temporal trends. These data augment the data produced by the Hawaii Department of Health (DOH) Clean Water Branch (CWB) beach monitoring program.\n    \nData are collected and analyzed every two or three weeks for physical and chemical parameters, including ocean salinity, pH, temperature, organic nutrients (nitrogen and phosphorous compounds), dissolved oxygen (DO), and total suspended sediment (TSS). Some water samples are immediately tested at mobile labs while others are processed for testing at University of Hawaii and/or other labs.
attribute NC_GLOBAL time_coverage_end String 2024-03-28T20:31:00Z
attribute NC_GLOBAL time_coverage_start String 2016-06-14T18:03:00Z
attribute NC_GLOBAL title String Hui O Ka Wai Ola Water Quality Data
attribute NC_GLOBAL Westernmost_Easting double -156.893479
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.46592738E9, 1.71165786E9
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 latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double 20.6138, 21.013058
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -156.893479, -156.436853
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable location_id String
attribute location_id coordinates String time latitude longitude
attribute location_id ioos_category String Identifier
attribute location_id long_name String sampling site identifier
variable location_name String
attribute location_name coordinates String time latitude longitude
attribute location_name ioos_category String Location
attribute location_name long_name String location name
variable sample_id String
attribute sample_id coordinates String time latitude longitude
attribute sample_id ioos_category String Identifier
attribute sample_id long_name String sample identifier
variable session_id byte
attribute session_id actual_range byte 1, 127
attribute session_id coordinates String time latitude longitude
attribute session_id ioos_category String Identifier
attribute session_id long_name String sampling session identifier
variable water_temperature float
attribute water_temperature _FillValue float -9999.0
attribute water_temperature actual_range float 21.4, 31.9
attribute water_temperature colorBarMaximum double 31.0
attribute water_temperature colorBarMinimum double 21.0
attribute water_temperature coordinates String time latitude longitude
attribute water_temperature ioos_category String Temperature
attribute water_temperature long_name String water temperature
attribute water_temperature standard_name String sea_water_temperature
attribute water_temperature units String Celsius
variable salinity float
attribute salinity _FillValue float -9999.0
attribute salinity actual_range float 13.8, 37.8
attribute salinity colorBarMaximum double 40.0
attribute salinity colorBarMinimum double 10.0
attribute salinity comment String Practical Salinity Units (PSU)
attribute salinity coordinates String time latitude longitude
attribute salinity ioos_category String Salinity
attribute salinity long_name String salinity PSU
attribute salinity standard_name String sea_water_practical_salinity
attribute salinity units String 1
variable turbidity float
attribute turbidity _FillValue float -9999.0
attribute turbidity actual_range float 0.24, 192.33
attribute turbidity colorBarMaximum double 10.0
attribute turbidity colorBarMinimum double 0.0
attribute turbidity comment String Nephelometric Turbidity Units (NTU)
attribute turbidity coordinates String time latitude longitude
attribute turbidity ioos_category String Optical Properties
attribute turbidity long_name String turbidity NTU
attribute turbidity standard_name String sea_water_turbidity
attribute turbidity units String 1
variable ph float
attribute ph _FillValue float -9999.0
attribute ph actual_range float 7.79, 9.13
attribute ph colorBarMaximum double 9.0
attribute ph colorBarMinimum double 7.0
attribute ph coordinates String time latitude longitude
attribute ph ioos_category String Other
attribute ph long_name String pH
attribute ph standard_name String sea_water_ph_reported_on_total_scale
attribute ph units String 1
variable oxygen float
attribute oxygen _FillValue float -9999.0
attribute oxygen actual_range float 4.58, 8.55
attribute oxygen colorBarMaximum double 10.0
attribute oxygen colorBarMinimum double 0.0
attribute oxygen coordinates String time latitude longitude
attribute oxygen ioos_category String Dissolved O2
attribute oxygen long_name String dissolved oxygen concentration
attribute oxygen standard_name String mass_concentration_of_oxygen_in_sea_water
attribute oxygen units String mg/L
variable oxygen_saturation float
attribute oxygen_saturation _FillValue float -9999.0
attribute oxygen_saturation actual_range float 69.7, 119.6
attribute oxygen_saturation colorBarMaximum double 100.0
attribute oxygen_saturation colorBarMinimum double 0.0
attribute oxygen_saturation coordinates String time latitude longitude
attribute oxygen_saturation ioos_category String Dissolved O2
attribute oxygen_saturation long_name String dissolved oxygen saturation
attribute oxygen_saturation standard_name String fractional_saturation_of_oxygen_in_sea_water
attribute oxygen_saturation units String %
variable nitrogen float
attribute nitrogen _FillValue float -9999.0
attribute nitrogen actual_range float 39.98, 1247.11
attribute nitrogen colorBarMaximum double 400.0
attribute nitrogen colorBarMinimum double 0.0
attribute nitrogen coordinates String time latitude longitude
attribute nitrogen ioos_category String Dissolved Nutrients
attribute nitrogen long_name String total dissolved nitrogen
attribute nitrogen standard_name String mass_concentration_of_nitrogen_in_sea_water
attribute nitrogen units String ug/L
variable phosphorus float
attribute phosphorus _FillValue float -9999.0
attribute phosphorus actual_range float 3.31, 137.23
attribute phosphorus colorBarMaximum double 50.0
attribute phosphorus colorBarMinimum double 0.0
attribute phosphorus coordinates String time latitude longitude
attribute phosphorus ioos_category String Dissolved Nutrients
attribute phosphorus long_name String total dissolved phosphorus
attribute phosphorus standard_name String mass_concentration_of_phosphorus_in_sea_water
attribute phosphorus units String ug/L
variable phosphate float
attribute phosphate _FillValue float -9999.0
attribute phosphate actual_range float 0.62, 65.98
attribute phosphate colorBarMaximum double 40.0
attribute phosphate colorBarMinimum double 0.0
attribute phosphate coordinates String time latitude longitude
attribute phosphate ioos_category String Dissolved Nutrients
attribute phosphate long_name String phosphorus as orthophosphate
attribute phosphate standard_name String mass_concentration_of_phosphate_in_sea_water
attribute phosphate units String ug/L
variable silicate float
attribute silicate _FillValue float -9999.0
attribute silicate actual_range float 2.72, 5334.62
attribute silicate colorBarMaximum double 3000.0
attribute silicate colorBarMinimum double 0.0
attribute silicate coordinates String time latitude longitude
attribute silicate ioos_category String Dissolved Nutrients
attribute silicate long_name String silicate
attribute silicate standard_name String mass_concentration_of_silicate_in_sea_water
attribute silicate units String ug/L
variable nitrate_nitrite float
attribute nitrate_nitrite _FillValue float -9999.0
attribute nitrate_nitrite actual_range float 0.1, 1148.57
attribute nitrate_nitrite colorBarMaximum double 400.0
attribute nitrate_nitrite colorBarMinimum double 0.0
attribute nitrate_nitrite coordinates String time latitude longitude
attribute nitrate_nitrite ioos_category String Dissolved Nutrients
attribute nitrate_nitrite long_name String nitrate plus nitrite
attribute nitrate_nitrite standard_name String mass_concentration_of_nitrate_and_nitrite_in_sea_water
attribute nitrate_nitrite units String ug/L
variable ammonia float
attribute ammonia _FillValue float -9999.0
attribute ammonia actual_range float 0.28, 171.68
attribute ammonia colorBarMaximum double 50.0
attribute ammonia colorBarMinimum double 0.0
attribute ammonia coordinates String time latitude longitude
attribute ammonia ioos_category String Dissolved Nutrients
attribute ammonia long_name String ammonia
attribute ammonia standard_name String mass_concentration_of_ammonia_in_sea_water
attribute ammonia units String ug/L
variable qa_comments String
attribute qa_comments coordinates String time latitude longitude
attribute qa_comments ioos_category String Quality
attribute qa_comments long_name String quality assurance issues or comments

ERDDAP, Version 2.23
Disclaimers | Privacy Policy | Contact