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Spatial variation of language has been researched qualitatively and quantitatively for at least 150 years by different sub-disciplines of linguistics, each defining differently what dialects and dialect areas are. Linguists agree, however, that the concept of dialect is vague and the extent of a dialect is fuzzy. With contact being a crucial driver of linguistic change at sub-language levels, we attempt to sketch the perspective that contact dialectology and related sub-disciplines can offer on this fuzziness with regard to the spatial variation of dialects and dialect areas. Thus we address contact processes and patterns characterizing individuals, groups, communities, areas and beyond, at temporal scales spanning from mundane contact through generations to deeper time enough for dialects to diverge and disappear.

This article is an analysis of linguistic survey data representing German dialects in Switzerland in 1933/34 based on the so-called Wenker sentences. The data are impressionistic in terms of applied phonetic transcriptions, which were produced by non-specialists using the Latin alphabet. Due to the lack of pre-defined standardization, the phonetic transcriptions are very heterogeneous. From a technical perspective, this leads to very noisy data, which is why the validity of the Wenker data in general and the Swiss Wenker data in particular has been questioned. Using methods from computational linguistics, we compare, for the first time, Wenker data with linguistic data collected at virtually the same time by linguistics professionals. Direct comparison with a sample from the published atlas of German-speaking Switzerland (SDS) reveals that despite the noisiness of the data, they nevertheless provide reliable information, e.g., in terms of the spatial structuring of Swiss dialects. The study is thus a successful pilot for other corpus-based studies dealing with unstructured Wenker data in other regions.

German-speaking Switzerland can certainly be regarded as one of the liveliest and at the same time best researched dialect areas in Central Europe. It is all the more surprising that dialectometric analyses in this area have only recently been performed and none of them included an investigation into the level of syntax. In this paper we pursue two goals: First, we present digital data that has been made available in recent years on the basis of the Sprachatlas der deutschen Schweiz (SDS) and the Syntaktischer Atlas der deutschen Schweiz (SADS). Our second goal is to present dialectometric analyses performed with this data. A special focus is put on the comparison of different linguistic levels (lexis, phonology, morphology and syntax). Our methods include hierarchical cluster analyses (of the whole dataset as well as of the linguistic levels), correlations (between pairs of linguistic levels and between linguistic levels and geography) and parameter maps which allow us to draw conclusions about the distributions of innovative and conservative regions, dialect centers and transition zones. Our results show that while all four levels generally yield similar geographic patterns (dynamic areas in the North vs. conservative areas in the South, agreement of dialect and cantonal borders, high correlations with geography), syntax deviates most from the other levels.

Finding the boundaries of linguistic variants and studying transitions between variants are key interests in classical linguistic geography. However, the definition of boundaries in areal linguistics is vague, and a quantitative characterization of transitions at the interface between dialectal variants is missing. We conceptualize these transitions as gradients, aiming to quantitatively account for the transition patterns which are traditionally only implicitly inferred from visualizations. Fitting of logistic functions in different spatial scopes (profiles as well as surfaces) is proposed as an approach to model the transition at the interface between the dominant usage areas of dialectal variants. Logistic functions can accommodate the breadth of boundary concepts, ranging from sharp isoglosses to transitions with different gradualities. The parameters of the fitted logistic models as well as supplementary measures then allow for the quantitative characterization and comparison of transitions across variables. To demonstrate the proposed methodology, we use Swiss German syntactic data on dialectal variables with a single transition zone.

This article presents a new method for processing data gathered using the "draw-a-map” task in perceptual dialectology (PD) studies. Such tasks produce large numbers of maps containing many lines indicating nonlinguists' perceptions of the location and extent of dialect areas. Although individual maps are interesting, and numerical data relating to the relative prominence of dialect areas can be extracted, an important value of the draw-a-map task is in aggregating data. This was always an aim of the contemporary PD method, although the nature of the data has meant that this has not always been possible. Here, we argue for the use of geographic information systems (GIS) in order to aggregate, process, and display PD data. Using case studies from the United Kingdom and Germany, we present examples of data processed using GIS and illustrate the future possibilities for the use of GIS in PD research

Tis paper deals with the question of how areas with diferent syntactic variability can be identifed. It uses data from the Syntactic Atlas of German-speaking Switzerland (SADS) which uses multiple informants in each survey location. As a starting point the well-known doubling construction with the verb aafange ‘begin’ is used to illustrate how the diferent regions differ with respect to inter-personal variation and how the diferent variants can be mapped in terms of predominance, i.e. to what extent they co-occur or compete with the other variants. As a quantitative measure, the intensity value of the dominant variant (i.e. the agreement rate between those informants providing the dominant variant as their variant) is used as the basis to create a so-called “variation index”. Tis technique is applied to a larger set of SADS data, and the results are mapped onto the survey points indicating the syntactic variability for each location. To assess the validity of the method, several subgroups are created which turn out to correlate with the whole data set at a signifcant level. By performing a hot spot analysis, regional clusters of high/low syntactic variability can be identifed.

German-speaking Switzerland can certainly be regarded as one of the liveliest and at the same time best researched dialect areas in Central Europe. It is all the more surprising that dialectometric analyses in this area have only recently been performed and none of them included an investigation into the level of syntax. In this paper we pursue two goals: First, we present digital data that has been made available in recent years on the basis of the Sprachatlas der deutschen Schweiz (SDS) and the Syntaktischer Atlas der deutschen Schweiz (SADS). Our second goal is to present dialectometric analyses performed with this data. A special focus is put on the comparison of different linguistic levels (lexis, phonology, morphology and syntax). Our methods include hierarchical cluster analyses (of the whole dataset as well as of the linguistic levels), correlations (between pairs of linguistic levels and between linguistic levels and geography) and parameter maps which allow us to draw conclusions about the distributions of innovative and conservative regions, dialect centers and transition zones. Our results show that while all four levels generally yield similar geographic patterns (dynamic areas in the North vs. conservative areas in the South, agreement of dialect and cantonal borders, high correlations with geography), syntax deviates most from the other levels.

This article presents a new method for processing data gathered using the “draw-a-map” task in perceptual dialectology (PD) studies. Such tasks produce large numbers of maps containing many lines indicating nonlinguists’ perceptions of the location and extent of dialect areas. Although individual maps are interesting, and numerical data relating to the relative prominence of dialect areas can be extracted, an important value of the draw-a-map task is in aggregating data. This was always an aim of the contemporary PD method, although the nature of the data has meant that this has not always been possible. Here, we argue for the use of geographic information systems (GIS) in order to aggregate, process, and display PD data. Using case studies from the United Kingdom and Germany, we present examples of data processed using GIS and illustrate the future possibilities for the use of GIS in PD research.

German-speaking Switzerland can certainly be regarded as one of the liveliest and at the same time best researched dialect areas in Central Europe. It is all the more surprising that dialectometric analyses in this area have only recently been performed and none of them included an investigation into the level of syntax. In this paper we pursue two goals: First, we present digital data that has been made available in recent years on the basis of the Sprachatlas der deutschen Schweiz (SDS) and the Syntaktischer Atlas der deutschen Schweiz (SADS). Our second goal is to present dialectometric analyses performed with this data. A special focus is put on the comparison of different linguistic levels (lexis, phonology, morphology and syntax). Our methods include hierarchical cluster analyses (of the whole dataset as well as of the linguistic levels), correlations (between pairs of linguistic levels and between linguistic levels and geography) and parameter maps which allow us to draw conclusions about the distributions of innovative and conservative regions, dialect centers and transition zones. Our results show that while all four levels generally yield similar geographic patterns (dynamic areas in the North vs. conservative areas in the South, agreement of dialect and cantonal borders, high correlations with geography), syntax deviates most from the other levels.

This article presents a new method for processing data gathered using the "draw-a-map” task in perceptual dialectology (PD) studies. Such tasks produce large numbers of maps containing many lines indicating nonlinguists' perceptions of the location and extent of dialect areas. Although individual maps are interesting, and numerical data relating to the relative prominence of dialect areas can be extracted, an important value of the draw-a-map task is in aggregating data. This was always an aim of the contemporary PD method, although the nature of the data has meant that this has not always been possible. Here, we argue for the use of geographic information systems (GIS) in order to aggregate, process, and display PD data. Using case studies from the United Kingdom and Germany, we present examples of data processed using GIS and illustrate the future possibilities for the use of GIS in PD research