In-situ networks
22 networks.
AERONET — Aerosol Robotic Network
Global federation of ground-based sun-photometer stations measuring aerosol optical depth (AOD), water vapor, and aerosol microphysical pro…
Chronolog — Fixed-Angle Repeat Photography Sites
Community-science timelapse photo platform.
CitizenScience.gov — Federal Crowdsourcing & Citizen Science Catalog (decommissioned)
Static directory of US federal community-science projects, hosted by GSA's Technology Transformation Services (18F lineage) on Federalist /…
eBird — Global Bird Observations (Cornell Lab)
eBird is the largest biodiversity-related citizen-science platform on Earth measured by raw observation volume — run by the Cornell Lab of …
eLTER — European Long-Term Ecosystem, Critical Zone and Socio-Ecological Research Infrastructure
Pan-European distributed research infrastructure for long-term, whole-system ecosystem science.
European Citizen Science Association — ECSA
ECSA is the European federation of citizen-science organizations, founded in 2013 during EU Green Week and registered as an e.V.
FLUXNET — Global Eddy Covariance Flux Tower Federation
Global federation of regional eddy-covariance networks measuring ecosystem- atmosphere exchanges of CO2, water vapor, and energy.
GHCN — Global Historical Climatology Network (Daily)
NOAA's flagship surface-station climate archive.
Global Biodiversity Information Facility — Occurrences
GBIF is the global aggregator of species occurrence records — ~3 billion records contributed by ~2,000 publishers worldwide, harmonized to …
ICOS — Integrated Carbon Observation System (Eddy Covariance Towers)
Pan-European research infrastructure for greenhouse gas observations.
iNaturalist — Community Species Observations
iNaturalist is the world's largest general-purpose citizen-science biodiversity platform — a joint initiative of the California Academy of …
LUCAS — Land Use/Cover Area frame Statistical Survey
The EU's harmonised in-situ land-use / land-cover survey.
NEON — National Ecological Observatory Network
NSF-funded continental-scale US ecological observatory operated by Battelle.
PEP725 — Pan European Phenology Project
Pan-European ground-observed phenological database, the third pillar of the global phenology CalVal triad alongside USA-NPN (US national) a…
PhenoCam Network — Ecosystem Phenology Camera Network
Continental-scale network of fixed automated digital cameras at research field stations, capturing half-hourly imagery (some sites every 15…
Pl@ntNet — Plant Identification Citizen Science
Pl@ntNet is a French-led participatory plant-identification platform that pairs deep-learning image classifiers with community review.
RitmeNatura + FenoCat — Catalan Phenology Citizen Science
Two complementary Catalan phenology citizen-observation networks bundled as a single registry entry because they cover the same variable (p…
SAIH-Ebro — Sistema Automático de Información Hidrológica de la Cuenca del Ebro
Real-time hydrological monitoring network covering the Ebro river basin (~85,000 km², Spain's largest river basin at 17.3% of peninsular te…
SciStarter — Citizen Science Project Directory & Observer-Credit Network
US-anchored federation directory + observer-onboarding platform + cross-platform credit tracker for citizen-science projects.
TAHMO — Trans-African Hydro-Meteorological Observatory
Network of ~700+ low-cost automated weather stations across ~20 African countries.
USA National Phenology Network — Nature's Notebook & Pheno Forecasts
US national phenology monitoring program.
USGS Repeat Photography — Glacier National Park Project + Southwest Collection
Federation of US Geological Survey historical repeat-photography archives, dominated by two collections: (1) **Glacier National Park Repeat…