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ICRISAT Dataverse is the research data repository of the International Crops Research Institute for the Semi-Arid Tropics, a non-profit organization conducting agricultural research for development in Asia and sub-Saharan Africa. The repository holds datasets, including farm household survey data on sorghum cultivation in India and groundnut production data from Mali.
The ICOS Carbon Portal is the data access point for the Integrated Carbon Observation System (ICOS), a network measuring atmospheric, ecosystem, and ocean greenhouse gas data across European member countries. It provides access to raw and processed measurement datasets, along with tools including STILT atmospheric transport modeling, DOI minting, and SPARQL querying to support climate change and emissions research.
ICGEM is the International Centre for Global Earth Models, coordinated by IGFS of the IAG. It collects and archives global gravity field models and provides a web interface, visualization of models and their time variation, and a calculation service for gravity field functionals. It also offers tutorials and assigns DOIs to model datasets.
Search atmospheric, oceanography and climate data collections and supporting geospatial data from DNK.
ICARUS (Integrated Chamber Atmospheric data Repository for Unified Science) is a data repository for atmospheric chamber experiment data, developed at the University of California, Davis with European partner Eurochamp Database. It allows users to search, browse, and download datasets from affiliated atmospheric chemistry experiments, and provides associated documentation and reference materials for the repository.
Search engineering data collections and supporting dataset from AAA.
iBeetle-Base presents data from the iBeetle screen, a first-pass screen of morphological defects in Tribolium. It provides a genome browser for gene structure, expression and chromatin data, a converter between Drosophila and Tribolium gene IDs, and an ontology viewer for the Tribolium morphological ontology. Gene sets and genome assemblies are available for download.
The IAU Minor Planet Center is described as the official body for astrometric observations and orbits of minor planets and comets. It receives and distributes positional measurements, and is responsible for identification, designation and orbit computation, maintaining observation and orbit files and announcing discoveries through electronic circulars and its website. The MPC operates at the Smithsonian Astrophysical Observatory under Division F of the International Astronomical Union.
Research data portal for exploring ancient cultures records, including datasets.
Hymenoptera Genome Database is a genome informatics resource for insects of the order Hymenoptera, such as bees, wasps and ants. It offers data mining through HymenopteraMine, sequence searching with BLAST, genome browsing in JBrowse, annotation in Apollo and data download. HymenopteraMine integrates all HGD genomes with biological data from various sources.
HydroShare is CUAHSI's online collaboration environment for sharing hydrologic data, models, and code. Users upload files through a web interface, describe them with metadata, choose who can access them, and can obtain Digital Object Identifiers for citation. The platform also offers a REST web service API and Python client, and web apps for visualizing, analyzing, and running models.
Search a government or civic data catalog for reusable public information.
Hydro-Québec's open data portal is the official open data platform of the utility Hydro-Québec. It provides public access to datasets related to electrical infrastructure, electricity consumption and energy transition objectives, and includes a data catalogue, terms of use and accessibility information.
Browse research datasets and datasets related to history.
Dataset repository covering engineering, with searchable datasets.
Search computer data collections and supporting datasets from EEC.
Dataset repository covering art history, music, theatre and media studies, with searchable datasets.
Dataset repository covering education systems and educational institutions, with searchable datasets.
Dataset repository covering endocrinology, diabetology, metabolism, with searchable datasets.
Database of human olfactory receptors.
The Human Mortality Database is a scientific data resource on mortality in developed countries. It provides harmonized mortality and population estimates to researchers, students, journalists, and policy analysts. The database follows open data principles and is organized into zipped data files for rapid downloads, with summary indicators and data by country.
Find and access basic in biology and medicine research data, with indexed genomic data.
The Human Genetic Variation Database (HGVD) is a browsable catalogue of genetic variations and allele frequencies focused on the Japanese population. It offers a search viewer by gene name/ID or dbSNP rsID and a chromosome viewer with GRCh37/hg19, GRCh38/hg38 and T2T/CHM13 options. Version 3.0 was released in October 2025.
Search a government or civic data catalog for reusable public information.
