VAULX-EN-VELIN, FRANCE

Contacts:
Dr Dumortier Dominique
Ecole Nationale des Travaux Publics de l'Etat
Laboratoire des Sciences de l'Habitat
Rue Maurice AUDIN
69518 Vaulx-en-Velin Cedex, FRANCE
Tel : (33) 4 72 04 70 87
Fax : (33) 4 72 04 70 41
E-mail : Dominique.Dumortier@entpe.fr
Server : http://idmp.entpe.fr/vaulx
Station Location:
Vaulx-en-Velin, France.
Latitude: 45°47' N
Longitude: 4°56' E
Height above sea level: 170 m.
Local Time: GMT+1

Code: FRA2
Type: General class.
Operation:
Started in September 1991.

Topographic map showing the land
within a 5 km radius of the station location

VAULX-EN-VELIN, FRANCE

Site surroundings:

Vaulx-en-Velin is located on the east part of Lyon Urban Community which represents 1.5 Million inhabitants. Within a 5 km radius of the station, the environment is 70% urban and suburban housing and 30% farm land and recreational fields. The Geneva freeway A42 and the highway N383 going around Lyon are only 2 kms away.

Climate characteristics:

Climate is moderate maritime on the border of a mediterranean climate zone. Average temperature in January is 2°C and in July 21°C. Average annual sunshine duration is 2100 hours. The average number of foggy days in the year is 55 mostly in winter. The closest weather station is located 5 km away in Bron. (See map in general information section).

Map showing the immediate surroundings of the station

VAULX-EN-VELIN, FRANCE

Sampling Interval:
1 mn. since Sep 1, 93, 5 mn. before.
Recording Interval:
1 mn. since Sep 1, 97, 5 mn. before.

Illuminances:
Global horizontal: LMT BAP 30 FCT
Diffuse horizontal: LMT BAP 30 FCT
North vertical: LMT BAP 30 FCT
East vertical: LMT BAP 30 FCT
South vertical: LMT BAP 30 FCT
West vertical: LMT BAP 30 FCT

Irradiances:
Global horizontal: Kipp & Zonen CM 6
Diffuse horizontal: Kipp & Zonen CM 6

Others:
Zenith luminance: LMT (11° angle)
Dry Bulb Temperature: Chauvin & Arnoux
Wet Bulb Temperature: Chauvin & Arnoux
Wind direction: Chauvin & Arnoux
Wind speed: Chauvin & Arnoux

Shadow band specifications:
Diffuse illuminance:
radius=27.5 cm / width=5.4 cm
Diffuse irradiance:
radius=17.8 cm / width=5.0 cm

Station map

Obstruction for the global
horizontal illuminance sensor

Comments

For vertical illuminances, a half hemisphere obstruction was made with a black honeycomb material. South Vertical Illuminance and Global Horizontal Irradiance sensors have been calibrated in October 1991 with an Optronic Lab tungsten halogen lamp at the CSTB in Nantes, France. Another calibration of the South Vertical Illuminance sensor has been performed at the British Research Establishment in September 1992. In 1993, all illuminance and irradiance sensors have been compared to IEA task 17 E relative calibration sensors.

VAULX-EN-VELIN, FRANCE

View 1 of the station

Comments

This view of the station is looking toward south-west. The diffuse illuminance and the south vertical illuminance sensors can be seen on the left. The diffuse irradiance sensor is in the center. The west vertical illuminance and the zenith luminance sensors can be seen on the right.

View 2 of the station

Comments

This view of the station is looking toward north east. On the left, the global horizontal illumi-nance, the global horizontal irradiance and the north vertical illumin-ance sensors can be seen. In the center, there are the wind speed and the wind direction sensors and on the right, the east vertical illuminance sensor.

VAULX-EN-VELIN, FRANCE

Important modifications made to the acquisition system, recording interval modification, time during which the station was not operating...

Date

Comments

Sep 92 to
Feb 93		Failure of an electronic component in the data acquisition system made all data for this period useless.
Mar 23, 93 to
Aug 5, 93		Wind direction not usable.
Sep 1, 93Data is now measured every minute and averaged over a 5 minute period. Before this, data was only measured every 5 minute.

Last modification : March 28, 1997.
WebMaster IDMP : idmp.master@entpe.fr