data_typedescriptioninfo_urlBiology:GeneticSequenceA succession of letters representing the primary structure of a DNA molecule or strand.Seismic:Passive:ComplianceMeasurements of the vertical displacement of the seafloor related to low frequency ocean waves (infragravity waves). Sediment:DescriptionCan include grain size distribution data derived from sediment samples, classfication of sediments (sand, mud clay) and/or descriptions of environmental parameters relevant to ecological processes.Interpretation:Geologic:SedimentaryEnvironmentsDensityThe density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.http://en.wikipedia.org/wiki/DensityBiology:MicrobiologyData about microorganisms, including eukaryotes (fungi and protists), and prokaryotes (bacteria and archaea).http://en.wikipedia.org/wiki/MicrobiologyPhysicalProperties:RockA measure of the physical properties (e.g. permeability, porosity) of a rock sample.Geodesy:VelocityGPS velocity derived from geodetic (GPS) measurements.Visualization:GoogleEarthAn assembly of information (e.g. images, lines, placemarks) written in KML/KMZ format for display in Google Earth.OxygenA measurement of oxygen in a substance. May be dissolved oxygen, % oxygen saturation, etc.SubsidenceRateSeismic:Active:SubbottomData on reflectivity of sedimentary or rock layers beneath the seafloor collected with CHIRP and similar systems typically operating in the few Hz up to about 50 Hz rangeMineralogy:SedimentCharacterization of the mineral composition of sediments.AcousticScintillationThermometryA measurement of slight fluctuations in water temperature based on changes in the backscattered signal between successive sonar scans of an area of the seafloor.ParticleFluxA measure of the rate at which settling particles pass through a parcel of air or water.Interpretation:GeologicAn interpretation of the characteristics of some component of the earth based on scientific assessment of one or more data types.Chemistry:Fluiddata concerned with the composition, structure, and properties of fluids, as well as the changes it undergoes during chemical reactionsGravity:Anomaly:FreeAirmeasurement of the difference between observed gravity and theoretical gravity that has been computed for latitude and corrected for elevation of the station above or below the geoid, by application of the normal rate of change of gravity for change of elevation, as in free air.Biology:Species:AbundanceA quantification of species abundance in a particular sample.Photograph:Video:FrameGrabStill images frame grabbed from video stream.Biology:Species:ListA list of organisms that were identified to species.Observation:BirdField observations of birds noted during science operations.SampleInfo:FluidAn inventory of fluid samples physically acquired at a field site.Biology:Microbiology:CultureA pure microbiological culture is produced by promoting mircroogranisms to reproduce in predetermined culture media under controlled laboratory conditions.http://en.wikipedia.org/wiki/Microbiological_cultureChemistry:Fluid:Electrochemistrydata concerning chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between the electrode and the electrolyte or species in solution.CrustalAgeMeasurement of the amount of time the crustal rock material has been isolated from the convecting mantle.FluidFlowMeasurement of fluids (liquids and gases) in motion.IceConcentrationArea of a surface covered in ice. Often an image or diagram that shows sea ice over bodies of water.CurrentMeasurementA measure of fluid velocity based on the path of a fluid parcel over time or in-situ measurements of fluid flow.Chemistrydata concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactionsElectromagneticMeasurement of physical field produced by electrically charged objects.Biology:Microbiology:DiversityA measure of the variety of microorganisms at the genetic, species and ecosystem levels.Biology:StableIsotopesInterpretation:Geologic:MapPhysicalDescriptionSeismic:ShotTimesStatusThe reference information about the seismic sound source or shot.CTD:AncillaryAncillary files associated with CTD data, including bottle and configuration information, and other metadata.Bathymetry:SinglebeamBathymetry data derived from a single beam echosounder.FluorescenceMeasurement of luminescence that is mostly found as an optical phenomenon in cold bodies, in which the molecular absorption of a photon triggers the emission of a photon with a longer (less energetic) wavelength, though a shorter wavelength emission is sometimes observed from multiple photon absorption.PhotographA still image acquired with a digital or film camera.HeatflowMeasurement of the transition of thermal energy from a hotter object to a cooler objectMeteorologicalMeasurement of data related to atmosphere that focuses on weather processes and forecasting.HydroacousticWaveform data collected by sound-channel moored hydrophones typically used for monitoring undersea seismicity or marine mammal activity.Seismic:WideAngle:ESPsExpanding Spread Profile seismic data collected during active (also known as controlled) source experiments involving two ships.ResistivityA measure of how strongly a material opposes the flow of electric current.RadiometricDatingData describing the age of materials, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.http://en.wikipedia.org/wiki/Radiometric_datingSeismic:Velocity:ModelSeismic velocity data obtained from a model. Model inputs generally include information on layer thickness, source-receiver geometry, weighting factor, etc.VisualizationA rendering of volumes, surfaces, illumination sources, etc, sometimes with a temporal component.PermeabilitySidescanBackscatter intensity data acquired with a sidescan sonar or similar data acquired with a multibeam sonar.TurbidityAn indication of the cloudiness of a fluid associated with suspended particles. Can be measured with a variety of sensors including transmissometers, nephelometers, or secchi disks.SalinityA measure of the dissolved salt content of a body of water. Often computed from Conductivity.RadiationThe measurement of energy emitted by a body.http://en.wikipedia.org/wiki/RadiationBathymetrySeafloor depth data.TemperatureA measurement of how hot or cold a substance is.http://en.wikipedia.org/wiki/TemperatureBackscatter:AcousticAcoustic backscatter intensity, the intensity of sound that is scattered back toward an acoustic transducer. Chemistry:Fluid:pHA measure of the acidity of a fluid.Radiation:VisibleThe measurement of the electromagnetic spectrum that is visible to (can be detected by) the human eye.http://en.wikipedia.org/wiki/Visible_radiationRadar:ReflectionElectromagnetic waves scattered from any large change in the dielectric or diamagnetic constants.Biology:ElectrobiologyData describing the electrical phenomena of living organisms.Photograph:VideoStreaming images generated on film or digital media.Radiation:GammaMeasurement of radiation of photons with a frequency of greater than 1019 Hz.http://en.wikipedia.org/wiki/RadiationSeismic:NavigationInformation about the position of the equipment during seismic data acquisition. This should include date, time, x and y.Bathymetry:PhaseBathymetry data derived from the phase difference measured between two closely spaced receiving arrays.Chemistry:RockGeochemistry data derived from rock samples.Magnetic:FieldThe measurement of the Earth's total magnetic field.Chemistry:SedimentGeochemistry data derived from sediment samples.Chemistry:ParticulateChemistry data derived from particulate materialsBathymetry:SwathBathymetry data derived from a multibeam sonar.Photograph:Video:TimeLapseA video assembled from time-lapse imagesEarthquake:Catalog:MicroseismicityAn inventory of earthquake positions and magnitudes.Seismic:AncillaryAcquisition, reference and metadata for seismic data types.Bathymetry:Swath:AncillaryMetadata, processing and reference information related to multibeam data.ConductivityA measure of the ability of a medium to conduct electricity.Radiation:InfraredThe measurement of electromagnetic radiation whose wavelength is longer than that of visible light (400-700 nm), but shorter than that of terahertz radiation (100 µm - 1 mm) and microwaves (~30,000 µm). Infrared radiation spans roughly three orders of magnitude (750 nm and 100 µm).http://en.wikipedia.org/wiki/InfraredSeismic:WideAngle:OBHWide source-receiver offset data collected during active (also known as controlled) sorurce experiments using Ocean Bottom Hydrophones as the receivers. Seismic:PassiveMeasurements of ground motions generated by natural seismic sources, eg earthquakes, volcanic eruptionsNavigation:PrimaryPrimary ship navigation data productLayerThickness:SeismicLayer2ASeismic 2A layer thickness, in meters or two way travel time.GeodesyMeasurement of crustal deformation.SampleInfoMetadata about physical samples that were acquired.Gravity:Anomaly:MantleBouguerResidualGravity:Predicted:PlateCoolingPredicted gravity contribution of plate cooling.LayerThickness:CrustCrustal thickness, may be in depth or twtt. May be determined from seismic, radar, gravity etc.Magnetic:Anomaly:IGRFMagnetic Anomaly with the International Geomagnetic Reference Field (IGRF), a standard mathematical description of the Earth's main magnetic field, removedVisualization:FledermausFledermaus formatted visualization files (*.sd, *.scene) of surfaces and/or volumes that can be viewed with free software from IVS3D (www.ivs3d.com).TurbulenceA measure of the chaotic, stochastic property changes of a fluid flow.TransmissivityThe fraction of incident light at a specified wavelength that passes through a sampleNavigationInformation about the position of a platform or device. Minimally this includes x and y, but often date and time are also included.PressureThe force per unit area applied to the surface of an object.Velocity:SoundThe speed of sound.Velocity:DopplerA continuous-wave trajectory-measurement using the Doppler effect.MagnetizationQuantity of magnetic moment per unit volumeMagnetotelluricMeasurement of the electric currents under the Earth's surface induced by natural variations in the earth's magnetic field.Earthquake:CatalogAn inventory of earthquake positions and magnitudes.Elevation:BedrockElevation:SurfaceGravity:FieldGravity:Anomaly:BouguerSimple (marine) Bouguer anomaly with no correction for modeled topography of a constant thickness, constant density crust.Gravity:Anomaly:MantleBouguerSeismic:WideAngleWide source-receiver offset seismic dataPhotograph:MosaicAn assemblage of images that have been rotated and scaled to create a composite view or image.SampleInfo:BiologyAn inventory of biological samples physically acquired at a field site.SampleInfo:SedimentAn inventory of sediment samples physically acquired at a field site.SampleInfo:RockAn inventory of rock samples physically acquired at a field site.LayerThickness:IcePhotograph:WebGalleryA gallery of photographs that can be viewed and explored through an internet browser.Magnetic:AnomalyMeasurement of the local variation in the Earth's magnetic fieldSampleInfo:MicrobiologyAn inventory of microbiological samples physically acquired at a field site.Backscatter:OpticalA measurement of the cloudiness of a medium derived from measuring the amount of light scattered by particles.Biology:Species:DistributionInformation about the observed spatial distribution of different species.Seismic:Passive:OBSData from Ocean Bottom Seismometers deployed to detect ground motions generated by natural seismic sources, eg earthquakes, volcanic eruptions.Seismic:WideAngle:OBSWide source-receiver offset data collected during active (also known as controlled) source experiments using Ocean Bottom Seismometers as the receivers. Sample:Fluid:AncillaryAdditional data or metadata about fluid samples.Seismic:SegyHistory:MCSMetadata describing the processing steps for mult-channel seismic SEGY dataPhysicalProperties:SedimentA measure of the physical properties (eg density, porosity, magnetic susceptibility) of sediments, usually from a sediment core logger/scanner device.X-radiographType of data used, for example, in analysis of sediment core stratigraphy. Produced by a specialised x-ray machine.http://search.datapages.com/data/sepm/journals/v63-66/data/064a/064a003/0665.htmBathymetry:BPIBathymetric Positioning Index (BPI) derived from ArcGIS Benthic Terrain Modeler(BTM). The BPI is a measure which allows calculating where a certain location with a defined elevation is relative to the overall landscape. http://www.csc.noaa.gov/digitalcoast/tools/btmBiology:LarvalDistributionInformation about the larval population in an area. Could include spatial distribution information and/or species distribution.Seismic:Navigation:ShotTimeThe information for the number or name, time and location of the seismic sound source or shot for seismic systems.Biology:SymbiontPhysiologyInformation about the function of the living systems of organisms that live within host organisms.ModelParametersGeneral data type for any files used to define the parameters of a model. Includes calibration, configuration, geometry, weighting information and so on.Velocity:ParticleBiology:LarvalFluxFlux of larvae measured at a particular locationSeismic:Reflection:SCSData collected using the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves generated by a single sound source.ReflectorDepth:SeafloorSeismically-derived depth to the seafloorReflectorDepth:MohoSeismically-derived depth to the MohoEnvironmentalDebrisData quantifying anthropogenic environmental debris on the environment.Seismic:Reflection:MCSData collected using the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves generated by multiple sound sources.DocumentationUse this data type for documentation that can be specifically tied to a data set, then map the two data sets. This data type will capture much of what we used to put in the entry_url table.Bathymetry:ReferenceSurfaceA bathymetry grid produced over a flat area of seafloor that is used to test the performance of a multibeam sonar system.Pressure:AncillaryAncillary data files that accompany prefix.tid pressure file.RugosityMeasurement of surface roughness (of a fluid)Flux:Air-SeaFluxes of momentum, sensible heat, and carbon dioxide over the ocean. Tide:HeightBathymetry:PaleobathymetryA reconstruction of a past bathymetric surface derived from sub-seafloor observations.Seismic:ReceiverFunctionReceiver function calculated from earthquake dataInterpretation:Geologic:PlateBoundaryInterpretation:Geologic:LavaFlowInterpretation:Geologic:Fault/FissureBottomStressBottom stress refers to the shear stress experienced within the bottom boundary layer of a fluid and is a crucial component when understanding sediment transport.Temperature:DiffusivityA measure of thermal diffusivitySample:Rock:AncillaryAncillary information that accompanies rock sample inventories including both qualitative and quantitative sample descriptions.PhysicalProperties:Sediment:AncillaryAncillary data such as calibration files.PhysicalProperties:Rock:AncillaryAncillary data, such as a calibration file, related to physical properties of rock.Seismic:SegyHistory:SCSMetadata describing the processing steps for mult-channel seismic SEGY dataSeismic:Active:OBS:TravelTimePicksSeismic wave travel time picks derived from active-source shooting to OBS instrumentsSeismic:Passive:OBHData from Ocean Bottom Hydrophones deployed to detect water column motions generated by natural seismic sources, eg earthquakes, volcanic eruptions.Earthquake:Catalog:Microseismicity:FocalMechanismsEarthquake focal mechanism solutionsThermalGradientTemperature as a function of depthConductivity:ThermalA measure of the ability of a medium to conduct heat.https://en.wikipedia.org/wiki/Thermal_conductivityWaveMeasurementMeasurements related to characteristics of waves such as wave height, period, direction. TravelTime:AcousticTravel time for acoustic waves between, say, a modem and a logger such as those used in seafloor geodesy studieshttps://www.frontiersin.org/articles/10.3389/feart.2021.600732/fullPseudorange:GNSSThe apparent distance between a satellite and a navigation satellite receiver.https://gssc.esa.int/navipedia/index.php/An_intuitive_approach_to_the_GNSS_positioningChemistry:RedoxPotential:ORPORP is relative redox (oxidation/reduction) potential measurement of chemical substance, solution, or natural system without calibration with respect to the Standard Hydrogen Electrode. The redox potential is an indication of the tendency of chemical species to acquire electrons and thereby be reduced. (Definition from Sharon Walker, PMEL, July 2024.)Chemistry:RedoxPotential:EhEh is the redox (oxidation/reduction) --state-- of a chemical substance or solution that is calibrated and compared to the Standard Hydrogen Electrode. (Definition from Sharon Walker, PMEL, July 2024.)Backscatter:Acoustic:WaterColumnFor water column backscatter data (such as ".kmwcd" format) generated by sonar systems. Typically this data is used for looking for plumes, bubbles, etc. and can be read using hydroacoustic software like Echoview.