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UPPER AIR DATA [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-15

English

Subject field(s)
  • Aircraft Piloting and Navigation
Key term(s)
  • upper-air data

French

Domaine(s)
  • Pilotage et navigation aérienne
OBS

données aérologiques en altitude : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) – Opérations aériennes.

Spanish

Campo(s) temático(s)
  • Pilotaje y navegación aérea
Save record 1

Record 2 2014-04-24

English

Subject field(s)
  • Titles of International Programs
  • Satellite Telecommunications
  • Spacecraft
OBS

The Aircraft to Satellite Data Relay(ASDAR) programme is sponsored by an International meteorological group in order to augment the collection of upper air meteorological data, and thereby improve the accuracy of global weather forescasting. It has been developed by Matra Marconi Space, UK in collaboration with the WMO to enable aircraft to generate and transmit real-time meteorological reports via geostationary meteorological satellites for global relay. It is an automated system offering significant advantages, including reduced crew responsibility delays and errors. ASDAR, operating in conjunction with meteorological satellites, has proved to be a versatile tool in obtaining meteorological data automatically from flights over both oceans and continents, especially over areas not serviced by meteorological stations. In addition, during the ascent and descent phases of the aircraft, observations at regular pressure intervals provide a detailed vertical atmospheric temperature profile near the airports. The meteorological data provided by this system has proved to be very useful for improving the weather forecasting service.

Key term(s)
  • Aircraft to Satellite Data Relay Program
  • ASDAR Program

French

Domaine(s)
  • Titres de programmes internationaux
  • Télécommunications par satellite
  • Engins spatiaux
Key term(s)
  • Programme ASDAR
  • ASDAR Program
  • Aircraft to Satellite Data Relay Program

Spanish

Save record 2

Record 3 2011-09-28

English

Subject field(s)
  • Flights (Air Transport)
CONT

... the weather tag(s)... indicates the upper air data used to calculate the flight plan. The weather tag consists of the day of the month, the data collection time and the prognosis time.

French

Domaine(s)
  • Vols (Transport aérien)
OBS

La fiche météorologique sert à consigner des références météorologiques.

OBS

fiche météorologique, fiche météo : Termes uniformisés par le CUTA - Opérations aériennes.

Spanish

Save record 3

Record 4 2010-11-08

English

Subject field(s)
  • Titles of International Programs
  • Climate Change
OBS

The principal aims of the GUAN(Global Upper Air Network) project are to ensure a relatively homogenous distribution of upper air stations that meet specific record length and homogeneity requirements outlined by GCOS(Global Climate Observing System) and to develop, and make available, their current and historical data.

French

Domaine(s)
  • Titres de programmes internationaux
  • Changements climatiques
OBS

Le Réseau de stations d'observation en altitude (GUAN) pour le (Système mondial d'observation du climat) SMOC, qui comprend environ 160 stations, et le réseau de stations d'observation en surface pour le SMOC (GSN) Global Surface Network), qui en comprend un millier, ont été conçus pour servir d'assise un réseau climatique mondial de qualité. En dépit d'accords nationaux d'exploitation, leur fonctionnement laisse cependant à désirer. Ainsi, plus de 35% des stations du GUAN n'ont pas fourni les observations requises au cours du dernier trimestre 1997.

Spanish

Campo(s) temático(s)
  • Títulos de programas internacionales
  • Cambio climático
Key term(s)
  • Red de Observaciones en Altitud
Save record 4

Record 5 2010-05-19

English

Subject field(s)
  • Meteorology

French

Domaine(s)
  • Météorologie

Spanish

Save record 5

Record 6 2009-03-13

English

Subject field(s)
  • Geophysics
  • Air Pollution
DEF

The minimum time during which meaningful differences in results can be determined(using a particular model).(For example, models using upper air data which are only available every six hours are limited in their temporal resolution to about 6 hours.).

CONT

Long-term (1 year) deposition and concentration patterns can be estimated reasonably well, whereas agreement between calculated and observed daily concentrations is more variable. The estimates of long-term deposition patterns over Europe obtained from models with a statistical description of the transport resemble those obtained from models with finer (6 h) time resolution.

OBS

time resolution: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géophysique
  • Pollution de l'air
CONT

[...] le choix d'une résolution dans le temps de 2 heures est optimum pour apprécier des variations significatives des concentrations en soufre, une résolution de moindre qualité (c.-à-d. un temps d'échantillonnage plus grand) pouvant conduire par «effet de moyenne» à masquer des phénomènes qualitativement et qualitativement importants.

OBS

résolution : aptitude à mesurer une petit e valeur d'une grandeur physique. Cette valeur elle-même.

OBS

résolution dans le temps; résolution temporelle : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Geofísica
  • Contaminación del aire
Save record 6

Record 7 2004-03-05

English

Subject field(s)
  • International Bodies and Committees
  • Flight Instruments and Equipment (Aeroindustry)
Key term(s)
  • Tropical Upper Air Data Center

French

Domaine(s)
  • Organismes et comités internationaux
  • Instruments et équipement de bord (Constructions aéronautiques)

Spanish

Campo(s) temático(s)
  • Organismos y comités internacionales
  • Instrumentos y equipo de vuelo (Industria aeronáutica)
Save record 7

Record 8 1997-07-14

English

Subject field(s)
  • Titles of Documents and Works
  • Aircraft Piloting and Navigation

French

Domaine(s)
  • Titres de documents et d'œuvres
  • Pilotage et navigation aérienne
OBS

A cessé de paraître en décembre 1976

OBS

Publication de Environnement Canada

Spanish

Save record 8

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