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French to English translations [PRO]
Science - Archaeology / aerial archaeology | | French term or phrase: éclairage rasant | | La méthode utilisée met à profit l'observation des anomalies qu'entraîne l'existence de terrassements anciens et de vestiges enfouis : couleur des terres labourées, croissance ou teinte différentielle des végétaux, ombres portées en ***éclairage rasant***, traces d'humidité…. |
|   Elena RobertKudoZ activityQuestions: 524 (none open) ( 50 closed without grading) Answers: 503
France
| | Local time: 18:01
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| | raking (sun)light | Explanation:
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Note added at 11 mins (2006-05-10 14:38:15 GMT)
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Generally speaking, aerial photography is most effective when done during the early morning or late afternoon, when the sun hits the land at an acute angle rather than from directly overhead, causing the creation of shadows cast by topographic features which project above the normal ground level.
These features can be such things as the remains of ancient walls which may be covered by subsequent soil deposits, hardly visible from the surface --where they appear as just little "bumps"-- but when seen in raking sunlight can clearly be distinguished as man-made features, the outline of buildings.
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Note added at 37 mins (2006-05-10 15:04:21 GMT)
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Some examples of photography under raking light conditions:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/indice2-pg2.h...
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg2.h...
http://www.mfa.org/exhibitions/sub.asp?key=15&subkey=612
http://www.ramagazine.org.uk/index.php?pid=119
http://www.oldhouseweb.com/stories/Detailed/270e.shtml
http://graphics.stanford.edu/projects/mich/forma-urbis/
http://graphics.stanford.edu/projects/mich/forma-urbis/a214-...
http://graphics.stanford.edu/projects/mich/forma-urbis/a214-...
http://graphics.stanford.edu/projects/mich/forma-urbis/a2140...
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Note added at 59 mins (2006-05-10 15:26:53 GMT)
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Sorry, my Google was for "raking light" + "aerial photography", vs. "oblique light" + "aerial photography".
Head to head, a simple search for "raking light" looses out to "oblique light", 24,200 to 28,400.
Pass your cursor over the second .jpg on this page and see how much detail can be seen in an aerial photograph taken under raking light conditions:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg2.h...
More raking light photos from the same site:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg3.h...
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg4.h...
And the Aerial Archeologist at work:
http://www.culture.gouv.fr/fr/arcnat/aerien/imgs/nadar.jpg |
| Selected response from:
Christopher Crockett
Local time: 12:01
| Grading comment Many thanks to all.
4 KudoZ points were awarded for this answer |
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| Discussion entries: 0 |
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Automatic update in 00:
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7 mins confidence:   peer agreement (net): +2 oblique light
Explanation:
In addition, earthworks such as banks and ditches can also be photographed under oblique light conditions (shadow marks). Although crop and soil marks were ...
www.bbc.co.uk/history/lj/ archaeologylj/popup_aerial_survey.html
Archaeology. A Corpus of Early Medieval Inscribed Stones and Stone ... angle so as to produce oblique light across the carving (Gray & Ferguson 1997, 8-13). ...
www.bangor.ac.uk/history/site_english/ research/res_projects/archaeology/stones/index.htm
Oblique light can show reduced topography of sites invisible from the ground. ...
www.reference-wordsmith.com/ cgi-bin/lookup.cgi?exact=1&terms=site
And suddenly, in the oblique light, Christine and I could see the wagon-wheel ruts of ... He writes about archaeology for the The New Yorker, Smithsonian, ...
www.nmoca.org/CuartoCentenario/theroyalroad.html
| xxxBourth
Local time: 18:01
Native speaker of:  English
PRO pts in category: 57
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4 mins confidence: peer agreement (net): +4 raking (sun)light
Explanation:
..
--------------------------------------------------
Note added at 11 mins (2006-05-10 14:38:15 GMT)
--------------------------------------------------
Generally speaking, aerial photography is most effective when done during the early morning or late afternoon, when the sun hits the land at an acute angle rather than from directly overhead, causing the creation of shadows cast by topographic features which project above the normal ground level.
These features can be such things as the remains of ancient walls which may be covered by subsequent soil deposits, hardly visible from the surface --where they appear as just little "bumps"-- but when seen in raking sunlight can clearly be distinguished as man-made features, the outline of buildings.
--------------------------------------------------
Note added at 37 mins (2006-05-10 15:04:21 GMT)
--------------------------------------------------
Some examples of photography under raking light conditions:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/indice2-pg2.h...
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg2.h...
http://www.mfa.org/exhibitions/sub.asp?key=15&subkey=612
http://www.ramagazine.org.uk/index.php?pid=119
http://www.oldhouseweb.com/stories/Detailed/270e.shtml
http://graphics.stanford.edu/projects/mich/forma-urbis/
http://graphics.stanford.edu/projects/mich/forma-urbis/a214-...
http://graphics.stanford.edu/projects/mich/forma-urbis/a214-...
http://graphics.stanford.edu/projects/mich/forma-urbis/a2140...
--------------------------------------------------
Note added at 59 mins (2006-05-10 15:26:53 GMT)
--------------------------------------------------
Sorry, my Google was for "raking light" + "aerial photography", vs. "oblique light" + "aerial photography".
Head to head, a simple search for "raking light" looses out to "oblique light", 24,200 to 28,400.
Pass your cursor over the second .jpg on this page and see how much detail can be seen in an aerial photograph taken under raking light conditions:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg2.h...
More raking light photos from the same site:
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg3.h...
http://www.culture.gouv.fr/fr/arcnat/aerien/en/discip2-pg4.h...
And the Aerial Archeologist at work:
http://www.culture.gouv.fr/fr/arcnat/aerien/imgs/nadar.jpg
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The translation workplace 
