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Contacts

Institut de recherche pour le développement (IRD)
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Centre de coopération internationale en recherche agronomique pour le développement (CIRAD)
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Institut de recherche pour le développement (IRD)
Point of contact

Credit

SOCIÉTÉ ALTOA

Aerial laser scanning (ALS) dataset, Counami, French Guiana, acquired in 2004.

Type: datasetLicense: not specifiedCategory: elevationResolution: 0.25 metersLast update: 16 years ago
Elevation

The aerial laser scanning (ALS) dataset, acquired in 2004, covers three plots of Counami site in French Guiana. The laser recorded last reflected pulse. Ground points data where not delivered by ALTOA.

Data origin:
  1. All data was acquired by Altoa flying a helicopter. The embarked system was composed of a scanning laser altimeter with a rotating mirror mechanism (RIEGL LMS-Q 140i-60), a GPS receiver coupled to a second GPS receiver on the ground and an inertial measurement unit to record pitch, roll and heading of the aircraft. The wave length used was 905 nm (NIR). The scanning angle was +/- 30°. The laser recorded last reflected pulse. The density of points is 4 points/m² . 2. Delivrance of the data in time, x, y, z, intensity, flight line (Counami_Area.txyzil). The "TXYZIL" files contain GPS position of laser head on the even lines of the file. Ground points data were not delivered by Altoa. 3. The data are stored in \forestview01\BDLidar\Données Lidar\Counami\Données brutes. 4. Various further processing steps were carried out. Please get in touch with a point of contact

Purpose: not specified

Data life cycle, according to producer:
Creation date: January 1, 2004
Update frequency: not planned
State: completed

Resources

ceba_als_counami_xxxxxx2004_dsm.kmz

Google Earth

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Data preview

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Spatial extent

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