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Dataset results
8,038 results for “Validity”
TRMM Ground Validation Radar Reflectivity Single Level Cartesian Grid 1 hour V7 (TRMM_baseUW) at GES DISC
This dataset is part of the University of Washington TRMM Ground Validation products. Data contains single level, cartesian grids containing output of NCAR SPRINT interpolation of lowest sweep of 1C51UW. Horizontal extent is 150x150km and horizontal resolution is 2km. Note that in the netCDF files, "alt" (altitude) is assigned the elevation angle of the lowest sweep (which is used to create this product) and "z_spacing" has no meaning. A key component of the TRMM project is the Ground Validation (GV) effort which consists of collecting data from ground-based radar, rain gauges and disdrometers. The data is quality-controlled, and then validation products are produced for comparison with TRMM satellite products. The four primary GV sites are: + Darwin, Australia; + Houston, Texas; + Kwajalein, Republic of the Marshall Islands; + Melbourne, Florida. A significant effort is also being supported at NASA Wallops Flight Facility (WFF) and vicinity to provide high quality, long-term measurements of rain rates (via a network of rain gauges collocated with National Weather Service gauges), as well as drop size distributions (DSD) using a variety of instruments, including impact-type Joss Waldvogel, laser-optical Parsivel, as well as two-dimensional video disdrometers. DSD measurements are also being collected at Melbourne and Kwajalein using Joss-Waldvogel disdrometers.
PACE Validation BATS plankton
The data provided by this project is the abundance and taxonomic information for the 5-300 µm planktonic community captured via imaging with a FlowCam or Zooscan. We additionally analyze a duplicate subset of water samples from the same cast as BATS HPLC depths (0-250 m), sending these pigment samples to GSFC. Target depths for both the niskin-based FlowCam and HPLC samples include surface, 40, 80, 120, 160, and 200. The FlowCam was run in both trigger and automated mode at 10X for each bottle sample to enumerate and classify photosynthetic and non-photosynthetic organisms. In addition, the standard Bermuda Atlantic Time Series Site phytoplankton net tows (0-175 mwo, 120-150 m depth, 35 µm mesh net) were imaged. Images were taken using automatic mode at 2x, 4x, and 10x with the FlowCam, while two size fractions (>1000, <1000) were captured with a Zooscan to ensure enumeration of the larger phytoplankton taxonomic groups.
GPM Ground Validation Reference Rainfall Data Product IFloodS V1
The GPM Ground Validation Reference Rainfall Data Product IFloodS dataset contains hourly rainfall accumulation estimates over central and northeastern Iowa for the period of 1 May to 16 June, 2013. This product is created by combining ground-based radar estimates collected for the Iowa Flood Studies (IFloodS) campaign. The goals of the IFloodS campaign were to collect detailed measurements of precipitation at the Earth’s surface using ground instruments and advanced weather radars and to simultaneously collect data from satellites passing overhead. The data are available in gzipped ASCII files.
GPM Ground Validation R. M. Young Marine Anemometer UConn
The GPM Ground Validation R.M. Young Marine Anemometer UConn dataset includes wind speed and wind direction data collected by the Young Wind Monitor-MA. These data were collected during the GPM Ground Validation Field Campaign at the University of Connecticut, which provided an unprecedented set of wintry precipitation observations from multiple traditional and novel precipitation measurement instruments that can be used for validating ground-based and satellite remote sensing observations. The R.M. Young Marine Anemometer dataset files are available from December 07, 2022 through April 19, 2023, for the D3R site and from December 01, 2023 through May 21, 2024, for the GAIL site in the CSV format.
GPM GROUND VALIDATION NEXRAD LEVEL II KMPX IFLOODS V1
The GPM Ground Validation Next Generation Weather Radar (NEXRAD) Level II IFloodS datasets were collected from four sites (see Table 1) from March 29, 2013 to June 18, 2013 for the GPM Ground Validation Iowa Flood Studies (IFloodS) field campaign in central-northeastern Iowa. Officially, the IFloodS campaign ran from May 1 to June 15, 2013 but the NEXRAD data was collected prior to the start, allowing for the wider period of record. There are currently 160 Weather Surveillance Radar-1988 Doppler (WSR-88D) or NEXRAD sites throughout the United States and select overseas locations. The resulting data includes the base data (Level-II) and the derived products (Level-III). These Level-II datasets include three meteorological base data quantities: reflectivity, mean radial velocity, and spectrum width. The GPM Ground Validation NEXRAD Level II IFloodS data files are in a custom binary format; the visualization and decoding of the data requires specialized software. Browse imagery is available in PNG file format.
GPM GROUND VALIDATION AUTONOMOUS PARSIVEL UNIT (APU) IFLOODS V1
The GPM Ground Validation Autonomous Parsivel Unit (APU) IFloodS dataset collected data from several sites in eastern Iowa during the spring of 2013. The APU dataset for the Iowa Flood Studies (IFloodS) Field Experiment provides precipitation data including precipitation drop size, counts, and distribution. The goals of the campaign were to collect detailed measurements of precipitation at the Earth's surface using ground instruments and advanced weather radars and, simultaneously, collect data from satellites passing overhead. The APU is an optical disdrometer based on single particle extinction that measures particle size and fall velocity. This APU consists of the Parsivel, which was developed by OTT in Germany, and its support systems, which were designed and built by the University of Alabama in Huntsville.
VIIRS/NPP BRDF/Albedo Valid Observation Band M1 Daily L3 Global 30ArcSec CMG V001
The VNP43D42 Version 1 data product was decommissioned on July 31, 2025. Users are encouraged to use the [VNP43D42](https://doi.org/10.5067/VIIRS/VNP43D42.002) and [VJ143D42](https://doi.org/10.5067/VIIRS/VJ143D42.002) Version 2 data products.The NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Bidirectional Reflectance Distribution Function (BRDF) and Albedo Valid Observation Band M1 product (VNP43D42) is produced daily using 16 days of data at 30 arc second (1,000 meter) resolution. Data are temporally weighted to the ninth day, which is reflected in the file name. The VNP43D product suite is provided in a Climate Modeling Grid (CMG), which covers the entire globe for use in climate simulation models. Due to the large file size, each VNP43D product contains just one data layer for each of the parameters included in the [VNP43MA2](https://doi.org/10.5067/VIIRS/VNP43MA2.001) product. VNP43D40 through VNP43D53 are the 30 arc second BRDF/Albedo Quality values, the Local Solar Noon values, the Valid Observations of the moderate resolution bands (M1 through M5, M7, M8, M10, and M11) plus the Day/Night Band (DNB), the Snow Status, and the Uncertainty. Details regarding methodology are available on the [VNP43MA2](https://doi.org/10.5067/VIIRS/VNP43MA2.001) product page and in the Algorithm Theoretical Basis Document (ATBD). VNP43D42 contains the valid observation quality layer representing each of the 16 days of the retrieval period for VIIRS band M1.Known Issues* The abnormally high activation of the high aerosol flag in the Collection 1 (C1) VNP09 product has impacted downstream products. The VNP43 BRDF/Albedo/NBAR product is affected by reducing the number of otherwise acceptable observations used as input to characterize surface anisotropy. This effect (most obvious over arid bright surfaces), results in a reduced number of high quality full BRDF model inversions. Therefore, users should be aware that bright arid surfaces (normally associated with high quality BRDF/Albedo/NBAR retrievals) are likely to be somewhat represented by lower quality results in C1. VNP09 has been corrected for Collection 2 (C2). Therefore, users should avoid substantive use of C1 VNP43 over arid regions (and wait for C2 products). In any event, users are **always strongly encouraged** to download and use the extensive QA data provided in VNP43[I-M]A2, in addition to the briefer mandatory QA provided as part of the VNP43[I-M]A1, 3 and 4 products.* For complete information about known issues please refer to the [MODIS/VIIRS Land Quality Assessment website](https://landweb.modaps.eosdis.nasa.gov/knownissue?sensor=VIIRS).
Ships of Opportunity for PACE (SO-PACE): Validation of water-leaving reflectances, IOPs, and plankton community metrics
SO-PACE will make use of opportunistic instrument deployments on research vessels to produce measurements of hyperspectral Rrs spanning 350 nm - 750 nm using the pySAS system, a continuous above-water autonomous solar tracking platform to collect water-leaving and sky radiances and downwelling irradiance, from which Rrs is calculated. Complementary measurements of IOPs will be made using underway flow-through systems and using pumps that minimize particle damage. IOP measurements will provide several products including: chlorophyll-a concentrations and spectral absorption of phytoplankton (both derived from particulate absorption), and spectral backscattering coefficients. The slope of particulate attenuation will provide estimates of trends in both bulk particle and phytoplankton size distributions. Concentrations of chlorophyll-a as well as additional phytoplankton accessory pigments will be estimated from both particulate absorption and Rrs spectra. Additionally, discrete water samples will be collected from flow-through systems and prepared for onshore laboratory HPLC analysis of phytoplankton pigments. Continuous measurements of phytoplankton communities will be made using two well-established instruments: an Imaging FlowCytobot (IFCB) and a SeaFlow (a continuous flow cytometer). These two instruments will also be deployed on shipboard flow-through systems, and have a combined range of ~ 0.6-150 microns for quantitative phytoplankton assessment.
ZBTB10 binds the telomeric variant repeat TTGGGG and interacts with TRF2 [DNA-Seq validation of KO]
GEO Series GSE117213. Homo sapiens. 10 samples. Type: Other.
A Validated Gene Signature from Peripheral Blood Mononuclear Cells in Pulmonary Hypertension Associated with Sickle Cell Disease
GEO Series GSE38528. Homo sapiens. 27 samples. Type: Expression profiling by array.
Highly accurate Skin-Specific methylome analysis algorithm as a platform to screen and validate therapeutics for healthy aging
GEO Series GSE151617. Homo sapiens. 50 samples. Type: Methylation profiling by genome tiling array.
dCas9 level on chromatin to validate the specificity of CRISPRi-sgRNAs
GEO Series GSE295495. Homo sapiens. 21 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Validation of the MethylationEPIC BeadChip for fresh-frozen and formalin-fixed paraffin-embedded tumours
GEO Series GSE92580. Homo sapiens. 37 samples. Type: Methylation profiling by array.
Human hepatocellular carcinomas validation set
GEO Series GSE8652. Homo sapiens. 19 samples. Type: Expression profiling by array.
Baseline serum anti-glycan antibodies of 113 subjects in a clinical trial of PROSTVAC-VF, a therapeutic cancer vaccine [Validation Total Ig 1:200]
GEO Series GSE42179. Quercus alba; Bothrops moojeni; Pachymenia carnosa; Medicago sativa; Gallus gallus; Megathura crenulata; Rhodotorula; Bos taurus; Ovis aries; Mus musculus; Frangula alnus; Senegalia senegal; Dermestes lardarius; Gossypium hirsutum; Pandalus borealis; Homo sapiens. 113 samples. Type: Protein profiling by protein array.
Analytical validation of SKY92 for the identification of high-risk Multiple Myeloma
GEO Series GSE159289. Homo sapiens. 652 samples. Type: Expression profiling by array.
Validated prediction of pro-invasive growth factors using a transcriptome-wide invasion signature derived from a complex 3-D invasion assay
GEO Series GSE55322. Mus musculus. 18 samples. Type: Expression profiling by array.
Biomarker discovery in non-small cell lung cancer: integrating gene expression profiling, meta-analysis and tissue microarray validation
GEO Series GSE37745. Homo sapiens. 196 samples. Type: Expression profiling by array.
Gene expression in normal tissues to validate the first generation porcine oligonucleotide microarray
GEO Series GSE2335. Sus scrofa. 24 samples. Type: Expression profiling by array.
Translational validation of personalized treatment strategy based on genetic characteristics of glioblastoma [surgical samples]
GEO Series GSE58399. Homo sapiens. 105 samples. Type: Expression profiling by array.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.