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سياسة ملفات تعريف الارتباطPolitique relative aux témoins سياسة الخصوصيةPolitique de confidentialité Do Not Sell or Share My Personal InformationNe pas vendre ni communiquer mes renseignements personnels
أرسل متصفحك إشارة التحكم العالمي بالخصوصية. نعاملها كرفض للأغراض المبيّنة أدناه، وتبقى مفاتيحها متوقفة.Votre navigateur a envoyé un signal Global Privacy Control. Nous le traitons comme un refus pour les finalités indiquées ci-dessous, et ces interrupteurs restent désactivés.
Needed for the site to work, to keep you signed in, to protect it from attacks and to remember your privacy choices and the settings you pick. Always on.Nécessaires au fonctionnement du site, pour vous garder connecté, le protéger contre les attaques et retenir vos choix de confidentialité et les réglages que vous choisissez. Toujours actifs.
Remember optional settings beyond the ones you pick yourself. Off until you allow it.Retenir des réglages facultatifs autres que ceux que vous choisissez vous-même. Désactivés tant que vous ne les autorisez pas.
Count visits and see how pages are used, so we can improve the site. Off until you allow it.Compter les visites et voir comment les pages sont utilisées, afin d'améliorer le site. Désactivés tant que vous ne les autorisez pas.
Show videos, maps and live data layers from other providers. They receive your IP address and may set their own cookies. Off until you allow it, or load a single item once.Afficher des vidéos, des cartes et des couches de données en direct d'autres fournisseurs. Ceux-ci reçoivent votre adresse IP et peuvent déposer leurs propres témoins. Désactivés tant que vous ne les autorisez pas, ou chargez un seul élément une fois.
Measure campaigns and personalise advertising. We use none today. Off until you allow it, and refused when your browser sends Global Privacy Control.Mesurer les campagnes et personnaliser la publicité. Nous n'en utilisons aucun actuellement. Désactivés tant que vous ne les autorisez pas, et refusés lorsque votre navigateur transmet le signal Global Privacy Control.
Nexus Observatory Inc. keeps a record of each choice as proof: a random consent ID, the time, your region and the rules applied, the choices, the notice shown, the page, a shortened IP address, a one-way code of your browser type and, if you are signed in, your account. Records are kept while your choice applies and for 3 years after, then deleted.Nexus Observatory Inc. conserve un registre de chaque choix à titre de preuve : un identifiant de consentement aléatoire, l'heure, votre région et les règles appliquées, les choix, l'avis affiché, la page, une adresse IP abrégée, un code à sens unique du type de navigateur et, si vous êtes connecté, votre compte. Les registres sont conservés tant que votre choix s'applique et pendant 3 ans par la suite, puis supprimés.
Untick to choose for this site only. You can change either at any time in Privacy choices.Décochez pour choisir pour ce site seulement. Vous pouvez modifier l’un ou l’autre à tout moment dans Vos choix de confidentialité.
Water: every catchment gauged: the site at a glance.
Nexus Observatory/
WaterStream gauges and rain networks, groundwater and water-quality sensing, flood observing for utilities and basin authorities, and Earth observation of reservoirs, snow and inundation, delivered with the completeness a hydrologist checks first.
Plan with usUse casesReference design, drawn to scale · drag to turn
01In the field
Water-level gauges along a river valley floor, a weather station and an edge node: the red isoline is the ground that lies within a few metres of the lowest point of the reach.
Open the tour02Stories
Interactive stories with figures drawn to scale and every claim referenced.
All stories Place: Farmland Field to forecastA farm observes water: in the soil, in the crop and in the air above it. Crop water use is computed from weather with a method agronomists have shared for…Place: River basin and floods Rising water, counted in metresA flood map is a sentence about the future: this ground lies below that level. Gauges along the valley, a weather station and a terrain model turn the…System: LPWAN and mesh Kilometres on a coin cellMost environmental sensors send a few bytes a few times an hour. Low-power wide-area networks trade bandwidth for range and battery life; mesh networks…03What it needs to observe
Measurement, reporting and verification for methane, carbon, biodiversity and water quality.
01River level and discharge
02Rainfall and snow
03Groundwater
04Water quality
05Inundation extent
04Use cases
Deployment scenarios from the sector research and the use-case library.
Use case · low complexity
Ultrasonic depth sensors on poles report street-level water depth as open data and alerts.
OGC SensorThings API 1.1
Municipal open-data terms
The full use case →Use case · low to medium complexity
A few reference analysers and many low-cost nodes, with co-location calibration and an open-data feed.
EU Directive 2024/2881 (ambient air quality)
CEN/TS 17660 (sensor systems)
US EPA FEM/FRM reference methods
The full use case →Use case · high complexity
A WMO-grade surface station, optional upper-air ground station and a WIS 2.0 node, built to report reliably where the global basic observing network has gaps.
WMO-No. 8 (CIMO Guide)
WMO-No. 1160 (Manual on WIGOS, GBON)
WMO WIS 2.0
WMO-No. 306 (BUFR)
The full use case →Environment and climate
Regulatory cadences in the EU and reporting levels in voluntary frameworks.
Environment and climate
Acoustic baselines as a biodiversity data source; no registry methodology accepting acoustic data was found.
Environment and climate
Overlaps with cities and public safety.
05Solutions
Each offer is designed, deployed and run on the open protocol by Nexus Observatory Inc.
managed service, data licence
Observation networks designed, installed, operated and maintained for a monthly fee: weather, hydromet, air, seismic and environmental stations, with data delivered under a licence.
How we deliver it →hardware + software, managed service, build-operate-transfer
Stream gauges, rain gauges, weather radar and automatic weather stations built to WMO practice, reporting through WIS 2.0 where the agency requires it.
How we deliver it →data licence, professional services
SAR and optical acquisition planning, analysis-ready processing and change detection checked against field truth, delivered as STAC and COG.
How we deliver it →managed service, data licence
GNSS, InSAR, tilt, strain and fibre sensing on bridges, dams, slopes, tailings and pipelines, with alert thresholds set by the owner.
How we deliver it →managed service, data licence
Emissions, water quality, noise and dust monitoring for permit conditions, with traceable calibration and evidence bundles.
How we deliver it →06Service platforms
6 of the network’s service platforms build the systems this industry runs on.
Service platform07Open and community
Open data, open methods and the open protocol, with the people who use them.
Open projects this community builds on
Take part
08Earth and environment
Survey, design, deployment and operation for water. The form names who receives your details.
Talk to usPlan a deploymentReference design, drawn to scale · drag to turn
