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Des séries conçues pour durer un siècle.

Les tendances climatiques sont faibles face au bruit météorologique : les stations qui les enregistrent doivent rester stables pendant des décennies, avec le même site, des capteurs de référence redondants, un étalonnage traçable et chaque changement consigné. Les stations de référence ancrent les séries climatiques nationales et le réseau mondial de référence.

Industrie

Climat

Mesures

4

Sources citées

4

1. Climat · Stations climatologiques de référence

   Small trends, long records

   Climate trends are small against the noise of weather, so the stations that record them must stay the same for decades: the same site, stable sensors, traceable calibration and every change written down. The global climate observing plan calls for a reference network of such stations in every country.

2. Ce qui est mesuré

   Everything twice

   Redundant reference sensors measure air temperature in standard screens and precipitation in shielded gauges, alongside humidity, pressure, wind and radiation at standard exposures. Photographs of the surroundings in all directions are taken each year, so changes around the station are on record too.

   Instruments

   Redundant temperature sensors · Shielded gauges · Humidity · Pressure · Wind · Radiation

3. Le nœud de base

   Sensors that check each other

   The node compares the redundant sensors every minute and flags any that disagree, computes daily values to climatological practice and keeps a full local archive, so a failed link or a failed sensor never leaves a gap in the record.

4. Radio et liaisons

   A record without gaps

   Cellular carries minute data and diagnostics where coverage reaches the site. A satellite path keeps the record complete when terrestrial networks fail during the extremes the station exists to record. Data join the national archive and the global reference network.

   Liaisons

   Réseau mobile public · Satellite

5. Comment ça marche

   From a heatwave to an attribution study

   A record heatwave strikes. Both reference sensors agree on a new maximum, the node files it with its metadata, and the value enters the national record that day. Months later, attribution scientists use the station’s long homogeneous series to show how much climate change made the event more likely.

6. De la commande à l’exploitation · Commande

   Scope the record

   The scope reads the national climate record, long stations at risk, gaps in the reference network and the service’s archive. Nexus Observatory Inc. returns the reference station plan, calibration traceability, metadata practice and a price per station and per year.

   Planifier un déploiement

7. De la commande à l’exploitation · Relevé

   Survey for a century

   Crews survey candidate sites with the service for land that will stay representative for decades: ownership, planned development nearby, exposure, flood and fire risk, and power. Photographs in all directions are taken for the record. Every finding is kept with the site record for the crews who follow.

8. De la commande à l’exploitation · Autorisations

   Secure the land

   Long-term land agreements protect the site and its surroundings, planning authorities are told of the station so development nearby is considered, and every agreement is kept with the station record, because a moved station breaks its record. Approvals are tracked site by site, so nothing waits unseen.

9. De la commande à l’exploitation · Fabrication

   Build with traceable sensors

   Redundant sensors are calibrated against references traceable to national standards, stations are assembled, nodes configured to compare sensors, enrolled with their identities and run together for weeks before shipping. Test results travel with the kit to the site. Nothing ships until the whole kit has passed its tests together.

   Ouvrir le configurateur de stations

10. De la commande à l’exploitation · Installation

    Install to the reference standard

    Crews set the enclosure, screens, gauges and mast at standard exposures, install redundant sensors, power and two backhaul paths, and record every height and position. Where a station replaces an older one, both run side by side. The site record is updated before the crew leaves.

11. De la commande à l’exploitation · Mise en service

    Overlap and commission

    Chaque nœud prouve son identité. Redundant sensors are compared with a travelling reference, and where a station replaces another they run in parallel for long enough to measure the difference, so the record stays homogeneous. Results are signed and kept with the site record.

12. De la commande à l’exploitation · Exploitation

    Keep the record

    The service sees every reference station, sensor agreement, gaps and metadata. Daily values enter the national climate record and the global reference network, and every change is recorded so future users understand each value. Reports for owners and funders come from the same record.

13. De la commande à l’exploitation · Maintenance

    Change nothing without a record

    Sensors rotate through calibration on the agreed plan with overlaps, surroundings are photographed each year, software updates roll out in rings and every change is written to the metadata. The record stays trusted for decades. Spares and procedures travel with the crews.

    Réserver des services sur le terrain

14. Produits de données

    For climate services and scientists

    Climate services and scientists receive long homogeneous records; attribution and adaptation teams receive extreme event records; network managers receive reference values for quality control; archive and data users receive full station metadata, each value tied to its sensors and calibration.

    Voir les produits de données

15. Preuves

    A record that lasts

    Sensors and exposures follow the WMO instrument guide, records are kept and homogenised to climatological practice, metadata meet the global observing manual, and the stations answer the call for a surface reference network in the global climate observing plan. Every change is on record.

    Référentiels

    WMO-No. 8 · WMO-No. 100 · WMO-No. 1160 · GCOS-244

16. Ce que vous obtenez

    Programmes de réseaux nationaux d’observation

    Construction, exploitation et transfert d’une infrastructure nationale d’observation comme infrastructure publique numérique, avec transfert des compétences et des registres. Fourni sous forme de construction-exploitation-transfert et services professionnels, pour governments, development lenders financing them. Scale: National. Service levels are written as numbers you can measure on your own dashboard.

    Parler aux ventes

17. Étape suivante

    Planifier avec nous : stations climatologiques de référence

    Tell us the site, the measurements and the rules it answers to. We reply with a survey proposal, a design and a scope for climate reference stations. An engineer replies with a survey proposal and a scope, and the plan grows from one site to the network you need, at your pace.

    Planifier un déploiementOuvrir le configurateur de stationsOuvrir le Studio

01Le lieu et ses dangers

Où il fonctionne, et ce qui peut mal tourner.

Operating contextClimatological practice sets how long records are kept, homogenised and archived; the global observing manual sets station duties and metadata; and the global climate observing plan calls for a reference network of surface stations with redundant, traceable measurements. National services hold the records that adaptation and attribution rely on.

Dangers

• Changes of site, sensor or surroundings that break the record
• Single sensors that fail or drift unnoticed
• Missing metadata about past changes
• Urban growth creeping around the station
• Data gaps in extreme events, when they matter most

02Ce qu’il faut mesurer

Quoi, où, à quelle fréquence, et selon quelles règles.

Chaque mesure indique où elle est prise, à quelle fréquence, et la norme ou la réglementation publique qui la fonde. Les numéros de la colonne des sources ouvrent la source citée plus bas.

03La pile d’observation

D’un module de base à un réseau.

Les mêmes briques à chaque échelle : des instruments et un nœud de base, un site avec sa radio, une flotte exploitée comme un tout, et un réseau fédéré sur le protocole ouvert.

1. 01

   Unité de base

   A station: redundant reference sensors on a sensor hub with a node that compares them.

   Build a station →
2. 02

   Site

   A site: the enclosure on stable, representative land, a mast, power and two backhaul paths.

   Plan a site →
3. 03

   Parc

   A national reference network run to one calibration and metadata plan.

   Managed offers →
4. 04

   Réseau

   Reference stations join the national climate record and the global reference network through WMO.

   The open protocol →

• 01Station météorologique automatique (classe OMM)
• 02Station météo compacte
• 03Passerelle de capteurs et d’instruments
• 04Micronœud (Nano)
• 05Modem/routeur cellulaire
• 06Terminal plat LEO
• 07Champ solaire
• 08Poteau

Radio et liaisons

Réseau mobile public

Cellular carries minute data and diagnostics where coverage reaches the site.

Radio et liaisons

Satellite

A satellite path keeps the record complete when terrestrial networks fail in extremes.

Edge computeThe node compares redundant sensors every minute, flags any that disagree, computes daily values to climatological practice and keeps a full local archive so the record has no gaps.

PowerMains with a long battery backup, or solar sized for the worst season; the station must not stop in the extremes it records.

04Comment ça marche

De l’instrument au produit.

Le parcours d’une observation, niveau par niveau, avec l’interface de chaque liaison et une nomenclature en dessous ; puis comment ce nœud devient un site, une flotte et des réseaux fédérés.

05De la commande à l’exploitation

Chaque étape, du premier appel à un site en service.

La même équipe et le même dossier portent le travail, du cadrage à la maintenance.

1. 01 Order

   Scope the record

   The scope reads the national climate record, long stations at risk, gaps in the reference network and the service’s archive. Nexus Observatory Inc. returns the reference station plan, calibration traceability, metadata practice and a price per station and per year. 2

2. 02 Survey

   Survey for a century

   Crews survey candidate sites with the service for land that will stay representative for decades: ownership, planned development nearby, exposure, flood and fire risk, and power. Photographs in all directions are taken for the record. Every finding is kept with the site record for the crews who follow. 1

3. 03 Permits

   Secure the land

   Long-term land agreements protect the site and its surroundings, planning authorities are told of the station so development nearby is considered, and every agreement is kept with the station record, because a moved station breaks its record. Approvals are tracked site by site, so nothing waits unseen.

4. 04 Build

   Build with traceable sensors

   Redundant sensors are calibrated against references traceable to national standards, stations are assembled, nodes configured to compare sensors, enrolled with their identities and run together for weeks before shipping. Test results travel with the kit to the site. Nothing ships until the whole kit has passed its tests together. 1

5. 05 Install

   Install to the reference standard

   Crews set the enclosure, screens, gauges and mast at standard exposures, install redundant sensors, power and two backhaul paths, and record every height and position. Where a station replaces an older one, both run side by side. The site record is updated before the crew leaves. 1

6. 06 Commission

   Overlap and commission

   Chaque nœud prouve son identité. Redundant sensors are compared with a travelling reference, and where a station replaces another they run in parallel for long enough to measure the difference, so the record stays homogeneous. Results are signed and kept with the site record. 4

7. 07 Operate

   Keep the record

   The service sees every reference station, sensor agreement, gaps and metadata. Daily values enter the national climate record and the global reference network, and every change is recorded so future users understand each value. Reports for owners and funders come from the same record. 3

8. 08 Maintain

   Change nothing without a record

   Sensors rotate through calibration on the agreed plan with overlaps, surroundings are photographed each year, software updates roll out in rings and every change is written to the metadata. The record stays trusted for decades. Spares and procedures travel with the crews. 4

06Produits de données et intégration

Ce qu’il fournit, à qui, et dans quels systèmes.

Produits de données

• Long homogeneous climate recordsClimate services and scientists
• Extreme event recordsAttribution and adaptation teams
• Reference values for other networksGestionnaires de réseau
• Station metadataArchive and data users

Intégration

• National climate archiveDaily and minute data enter the service’s archive.
• Global reference networkData and metadata are shared through WMO.
• Other networksReference values support the quality control of nearby stations.

Exchanged through WMO WIS 2.0, WIGOS metadata, OGC SensorThings API.

07Questions des acheteurs

Avant de cadrer votre projet.

Why redundant sensors?

So a failing or drifting sensor never breaks the record.

What if a site must move?

Old and new stations run in parallel to measure the difference.

How long will it last?

It is designed and sited to run for decades.

Who keeps the metadata?

The service, with every change recorded automatically.

08Ressources

Les sources de cette page.

Normes, réglementations et lignes directrices publiques, citées là où elles s’appliquent. Chacune ne s’applique que dans sa juridiction ou son champ.

1. 1WMO-No. 8: Guide to Instruments and Methods of ObservationWorld Meteorological Organization
2. 2GCOS-244: The 2022 GCOS Implementation PlanGlobal Climate Observing System · 2022
3. 3WMO-No. 1160: Manual on the WMO Integrated Global Observing SystemWorld Meteorological Organization
4. 4WMO-No. 100: Guide to Climatological PracticesWorld Meteorological Organization · 2018

09Voir aussi

Cas d’usage et solutions.

10Climat : domaines spécialisés

Les autres domaines de cette industrie.

Présentez-nous le site.

Planifiez un déploiement, configurez une station, modélisez-la dans le Studio ou parlez à l’équipe commerciale. Le formulaire indique qui reçoit vos coordonnées.