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Observational evidence for the impact of jet condensation trails upon the earths radiation budget

Abstract

Jet condensation trails have been classified in AVHRR images from a couple of month. It was tried to estimate their impact upon the radiation budget from the observed radiances. This has been performed by direct comparison of contrail image points to neighboring image points, assuming a slowly varying background. The classification method, basing on an artificial neural network for pattern recognition is explained. The details of the estimation of the net impact of contrails upon the radiation budget are shown by one example. (author) 5 refs.
Authors:
Meinert, D [1] 
  1. GKSS-Forschungszentrum Geesthacht GmbH (Germany). Inst. fuer Atmosphaerenphysik
Publication Date:
Dec 31, 1997
Product Type:
Conference
Report Number:
ONERA-97-Vol.2; CONF-9610234-
Reference Number:
SCA: 540110; PA: FRC-98:000197; EDB-98:075781; SN: 98001913262
Resource Relation:
Conference: International colloquium: Impact of aircraft emissions upon the atmosphere, Paris (France), 15-18 Oct 1996; Other Information: PBD: 1997; Related Information: Is Part Of Proceedings of impact of aircraft emissions upon the atmosphere. V. 2; PB: [299] p.
Subject:
54 ENVIRONMENTAL SCIENCES; AIRCRAFT; JETS; CONDENSATES; GLOBAL ASPECTS; GREENHOUSE EFFECT; NEURAL NETWORKS; SATELLITES; PATTERN RECOGNITION; EARTH ATMOSPHERE; IMAGES
OSTI ID:
623640
Research Organizations:
Office National d`Etudes et de Recherches Aerospatiales (ONERA), 92 - Chatillon (France)
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE98002998; TRN: FR9800197
Availability:
OSTI as DE98002998
Submitting Site:
FR
Size:
pp. 637-640
Announcement Date:
Jul 27, 1998

Citation Formats

Meinert, D. Observational evidence for the impact of jet condensation trails upon the earths radiation budget. France: N. p., 1997. Web.
Meinert, D. Observational evidence for the impact of jet condensation trails upon the earths radiation budget. France.
Meinert, D. 1997. "Observational evidence for the impact of jet condensation trails upon the earths radiation budget." France.
@misc{etde_623640,
title = {Observational evidence for the impact of jet condensation trails upon the earths radiation budget}
author = {Meinert, D}
abstractNote = {Jet condensation trails have been classified in AVHRR images from a couple of month. It was tried to estimate their impact upon the radiation budget from the observed radiances. This has been performed by direct comparison of contrail image points to neighboring image points, assuming a slowly varying background. The classification method, basing on an artificial neural network for pattern recognition is explained. The details of the estimation of the net impact of contrails upon the radiation budget are shown by one example. (author) 5 refs.}
place = {France}
year = {1997}
month = {Dec}
}