Weathering

French translation: altération

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	Weathering
French translation:	altération
Entered by:	CHAKIB ROULA (X)

09:15 Dec 21, 2012

English to French translations [PRO]
Tech/Engineering - Petroleum Eng/Sci / Oil extraction process

English term or phrase: Weathering

When crude oil is released into the environment, physical and biological processes—collectively referred to as weathering—immediately begin to alter its composition. Evaporation, dissolution into water, sorption to soils, photo-oxidation, and biological degradation each affect the distribution of fugitive crude oil hydrocarbons in the environment , , , . The most rapid weathering changes are volatilization and solubilization of the light hydrocarbons in the C6 to C16 range . This carbon range can account for approximately one third of crude oil . The light hydrocarbon fractions of crude oil accidentally released at tropical latitudes can be completely degraded within days or weeks of the initial spill. Once the volatile hydrocarbons are lost, aerobic microbial degradation of the remaining hydrocarbon mass becomes the major oil weathering pathway. The relative rates of biodegradation follow a logical process where the bacteria will generally degrade the most energy-rich, kinetically labile compounds first (e.g., normal alkanes) followed by least energy rich and recalcitrant compounds (e.g., polycyclic aliphatic biomarker compounds such as the tricyclic terpanes). In general, microbial degradation / weathering rates decrease as follows :

CHAKIB ROULA (X) KudoZ activity Questions: 11 (1 open) Answers: 189 Algeria
Local time: 11:40

altération

Explanation:
An assessment of the degree of weathering can be obtained by laboratory weathering of a similar product or crude.
ccme.ca

Une évaluation du degré d'altération peut être obtenue en laboratoire en altérant un produit pétrolier similaire ou du pétrole brut.
ccme.ca

Selected response from:

kashew
France
Local time: 12:40

Grading comment

Dear Kashew,
Many thanks for your precious help.I definitely appreciate
4 KudoZ points were awarded for this answer

Summary of answers provided

3 +1

dégradation naturelle

Alain Boulé

altération

kashew

atténuation naturelle

Jean-Philippe Drécourt

décomposition

Béatrice Sylvie Lajoie

Discussion entries: 2

Answers

11 mins confidence:

weathering atténuation naturelle

Explanation:
Une possibilité générale.

Reference: http://www.developpement-durable.gouv.fr/Etat-des-connaissan...

Jean-Philippe Drécourt
Portugal
Local time: 11:40
Meets criteria
Specializes in field
Native speaker of:

French
PRO pts in category: 4

Notes to answerer

Asker: Bonjour Jean-Philippe, Merci pour votre aimable contribution.

18 mins confidence:

peer agreement (net): +1

weathering dégradation naturelle

Explanation:
weather vi (deteriorate due to exposure)
se dégrader⇒ v pron
http://www.wordreference.com/enfr/weather

La dégradation du pétrole brut qui contient à la fois des alcanes...
http://books.google.fr/books?id=A1wteOOAO04C&pg=PA539&lpg=PA...

Alain Boulé
Local time: 12:40
Does not meet criteria
Native speaker of: French
PRO pts in category: 12

Notes to answerer

Asker: Bonjour Alain, Merci beaucoup pour votre lumière.Que pensez-vous de "érosion" et/ou "altération"?

7 mins confidence:

weathering décomposition

Explanation:
weathering test for liquefied petroleum gases : essai d'évaporation des gaz de pétrole liquéfiés, mais dans ce cas, je pense que décomposition pourrait être une solution.
Voir GDT

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Note added at 1 hr (2012-12-21 10:22:08 GMT)
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J'ai aussi vu désagrégation
Publications d'études - FEE - Le Fonds pour l'étude de... www.esrfunds.org/pubpub_f.phpil y a 5 jours – Prototype, Mesoscale Simulator for the Study of Oil Weathering Under Severe Conditions (étude de la désagrégation du pétrole dans des...

www.btb.gc.ca/publications/documents/minier-mining.pdf

... des réserves de pétrole ou de ... eng The mechanical weathering process caused by repeated cycles of freezing ... Processus de désagrégation mécanique causée par des cycles répétés de gel .

Béatrice Sylvie Lajoie
Local time: 12:40
Does not meet criteria
Native speaker of:

French,

English

Notes to answerer

Asker: Bonjour madame, Que pensez-vous du terme "altération" ou "érosion"?

3 hrs confidence:

weathering

altération

kashew
France
Local time: 12:40
Does not meet criteria
Native speaker of:

English
PRO pts in category: 53

Grading comment

Dear Kashew,
Many thanks for your precious help.I definitely appreciate

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French translation: altération

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