Socio-Economic Factors Affecting Marriage Distance in Two Sikh Villages of Punjab

The spatial aspects of marriage in two Sikh villages in the Indian state of Punjab are investigated with the findings compared to earlier sudies in other parts of India. One village had experienced the Green Revolution, hut the second had not. A radius of roughly 25 miles demarcates the limit of over 80% of marriage interaction in both villages, and a “crater effect” was observed in the distance decay of marriages. An expansion of the marriage field had taken place in the village influenced by Green Revolution changes, whereas no similar change occurred in the village practicing traditional agriculture. Both the extent of the marriage field and the variations in the intensity of marriage links within the field were affected by socio-economic factors including level of education, caste and extent of land ownership.     

Site Classification System and Site Coefficients for Shallow Bedrock Sites in Korea

Recent studies have shown that the site coefficients obtained from site response analyses of Korean soil sites are significantly different from those specified in the current Korean seismic code, especially in the short-period portion of site response. This difference is mainly attributed to the shallow bedrock conditions (bedrock depth usually less than 30 m) in Korea. This study proposes a new site classification system and site coefficients for shallow bedrock sites based on site response analyses of more than 300 sites. The proposed site classification scheme and site coefficients proposed in this study are an improvement over the current seismic code and previous studies.