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Particle physics, nuclear physics, condensed matter, plasma physics, optics, acoustics, quantum mechanics
6,319 datasets
Mechanical bathythermograph (MBT) data from multiple small Navy vessels details the thermal structure of the upper ocean in the North Pacific. The dataset contains temperature-depth profile pairs recorded at uniform 5-meter intervals to a maximum depth of approximately 285 meters. Data is formatted to the NODC standard C128 format and includes cruise information, date, position, and time for each observation.
The List of Invasive Alien Species of Union concern is a species checklist dataset published by the Research Institute of Nature and Forest (INBO). It contains regulated invasive alien species that require action at the European Union level, with an evidence base in risk assessments. The dataset is published as a standardized Darwin Core Archive and includes scientific names, higher classification, taxon identifiers, and common names in English, Dutch, French, and German.
North Pacific Ocean temperature-depth profiles collected from various small vessels between December 1944 and March 1946. The data has been processed into the NODC C128 standard format, with each observation containing cruise information, date, position, time, and paired temperature-depth values recorded at uniform 5-meter intervals. These mechanical bathythermograph (MBT) observations are limited to a maximum depth of approximately 285 meters, capturing the thermal structure of the ocean's upper layers.
A 200-meter ice core drilled at Siple Station in West Antarctica during the 1983-84 summer provides ancient atmospheric CO2 concentrations. The core was dated with an accuracy of approximately ±2 years to a depth of 144 meters, corresponding to the year 1834, by counting seasonal variations in electrical conductivity. The data was produced by researchers from the University of Bern and the Polar Ice Coring Office, with analytical details published in papers from 1984-1986.
IOSR Journals studied polyvinyl alcohol doped with ZnO nanoparticles at concentrations from 0 to 3 wt%. The nanocomposite films were characterized using XRD and FTIR, and optical properties were investigated via transmittance and reflectance spectra. The optical band gap, refractive index, extinction coefficient, and dielectric constant were determined.
Data supporting Figures 1-4 in a manuscript on tuning topological charge and gauge field anisotropy in a spin-1 synthetic monopole. The dataset was authored by Nicholas Milson and last updated on April 25, 2026. It is hosted by the Borealis Harvested Dataverse platform.
A research paper from NASA Ames Research Center detailing new text mining algorithms for anomaly discovery. The work focuses on analyzing tens of thousands of free-text problem reports concerning aerospace system health and safety. The goal is to automatically identify recurring anomalies described in different ways to pinpoint system weaknesses.
Global ocean-color fields derived from Terra MODIS satellite data using the Garver-Siegel-Maritorena (GSM) semi-analytical model. The dataset provides multiple optical properties, including absorption by gelbstoff and detrital material, particulate backscattering, and chlorophyll-a concentration. It is produced by OB_CLOUD and represents version 2022.0.
The Garver-Siegel-Maritorena (GSM) model provides a physics-based alternative to simple chlorophyll algorithms by simultaneously retrieving multiple optical properties from water-leaving reflectance. This Level-4 binned dataset from the Terra MODIS satellite includes geophysical variables like absorption by gelbstoff and detrital material, particulate backscattering, and chlorophyll-a concentration. It is produced by OB_CLOUD and hosted on NASA's Earthdata platform.
The Fluorescence Line Height (FLH) data suite quantifies red chlorophyll-a fluorescence emitted by phytoplankton. It is used for harmful algal bloom detection, tracking productive waters, and assessing phytoplankton physiology. The dataset is produced by NASA Earthdata and includes variables like normalized fluorescence line height and instantaneous photosynthetically available radiation.
NASA's Terra MODIS Level-3 Global Binned Fluorescence Line Height (FLH) Data quantifies red chlorophyll-a fluorescence emitted by phytoplankton. The dataset likely contains global, binned measurements of normalized fluorescence line height (nflh) and instantaneous photosynthetically available radiation (ipar). It is produced by the OB_CLOUD organization and is version 2022.0.
MOANA version 3.1 provides global mapped abundances of three picophytoplankton groups. The data suite is derived from NASA PACE OCI satellite ocean-color measurements with sea surface temperature as an ancillary input. It is produced by the OB_CLOUD organization for time-series analysis, regional studies, and model evaluation.
Fluorescence Line Height (FLH) data quantifies red chlorophyll-a fluorescence emitted by phytoplankton, a key indicator of biological activity. This global mapped dataset from NASA's PACE OCI mission provides the normalized FLH variable for detecting harmful algal blooms and assessing phytoplankton physiology. The data is produced by the OB_CLOUD organization using the version 3.1 algorithm.
PACE OCI Level-3 data provides per-pixel cloud optical and physical properties for global climate applications. The dataset includes core geophysical variables such as cloud fraction, effective radius, and optical thickness. It is produced by the OB_CLOUD organization from NASA Earthdata.
Aerosol optical properties retrieved from the PACE OCI instrument using the Unified Aerosol Algorithm. The dataset provides global mapped measurements for variables describing aerosol loading, size partitioning, and absorption. It is produced by the OB_CLOUD organization from NASA Earthdata.
Fluorescence Line Height (FLH) data quantifies red chlorophyll-a fluorescence emitted by phytoplankton. The dataset provides a global binned product derived from PACE OCI satellite observations, processed by the OB_CLOUD organization. The specific version is 3.1.
Paleocene-Eocene Thermal Maximum planktonic foraminifera assemblage data document a major ancient global warming event approximately 55 million years ago. The dataset, archived by NOAA NCEI's World Data Service for Paleoclimatology, provides paleoceanographic parameters from the South Atlantic Ocean. Temporal coverage is specified in calendar years before present, though exact begin and end dates require metadata review.
MODIS Near Real Time data provides daily global land aerosol optical depth measurements at a 1-kilometer pixel resolution. The dataset is produced by combining observations from NASA's Terra and Aqua satellites using the MAIAC algorithm. It is generated daily by the LANCEMODIS organization.
Logger records from the NIMS platform at the Imnavait transect in August 2011 contain sensor data on radiation, temperature, and vegetation. The manually moved multisensor platform collected data along a transect approximately 50 meters long. The data was recorded by SCIOPS using a CR1000 logger.
Delivering detailed collection records for three species within the Ectatomma ruidum ant complex. It includes data on species, location, date of collection, and colony composition, compiled from three collecting campaigns at several sites along the Pacific coastal plains.