Isogloss map for -s- aspiration in Iberian Peninsula Spanish, according to ALPI .
The -s- (and -z-) aspiration is considered one of the 2 key dialectal markers for Spanish, along with /s/ and /z/ distinction. In fact, there seems to be a relationship between both characteristics. Though the map reflects isolated cases of -s- aspiration in northern Spain, it's likely that they stem from some kind of contact with southern speakers. For most northern speakers, the -s- aspiration was a pretty sure way to detect a southerner. Today the -s- aspirating variety of the language is expanding quickly to the north in Spain.
The words registered in the ALPI surveys that have been used in this map are :
Zone A : Points where postvowel -s- is aspirated in 3 or 4 out of all 4 words.
Zone B : Points where postvowel -s- is aspirated in 1 or 2 out of all 4 words.
Zone C : Points where postvowel -s- is not aspirated.
Zone D : Other languages. Zones where historically Spanish is not the local language.
Index of Maps : Isogloss maps for Iberian Peninsula Spanish, according to ALPI
Versión en español : Mapa de isoglosas para la aspiración de las -s- postvocálicas en el castellano de la península Ibérica, a partir del ALPI
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