spatial

Human Mobility Index dataset

Human Mobility Index dataset

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“The Human Mobility Index (HMI)” that estimates the potential minimum travel time across the globe (measured in hours) accounting for human biological constraints, as well as geographical and technological factors that determined travel time before the widespread use of steam power. In particular, the HMI indices provide a distinct measure of human mobility potential in different eras: Human Mobility Index (HMI): Mobility on land without seafaring technology. Shows mobility potential on land before the widespread use of steam power. Human Mobility Index with Seafaring: HMI expanded to allow mobility on a select set of seas for which historical data was available. Shows potential mobility on land and seas before the introduction of ocean-faring ships. Human Mobility Index with Ocean: HMI expanded to allow mobility on all seas based on CLIWOC (interpolated). Shows potential mobility on land and seas after the introduction of ocean-faring ships, but before the widespread use of steamships. Based on these cost surfaces, researchers can find the minimum travel times between locations or construct more sophisticated statistics based on these. For example, Ashraf, Galor and Özak (2010) construct measures of pre-historic geographical isolation to study the effect of isolation on development. Similarly, Özak (2010), Depetris-Chauvin and Özak (2016, 2020) and Michalopoulus and Özak (2019) construct potential trade and information flow networks among countries, ethnic groups, cities, and artificial geographical units, to study the origins of the division of labor, and the effect of technological change on isolation and development. Likewise, Depetris-Chauvin and Özak (2019) use these measures to construct artificial states based on Voronoi partitions. This strategy overcomes the potential mismeasurement of distances generated by using geodesic distances (Özak 2010), for a period when travel time was the most important determinant of transportation costs. Additionally, it removes the potential concern that travel time to the frontier reflects a country’s stage of development, mitigating further possible endogeneity concerns. The research validates these measures by (i) analyzing their association with actual historical travel time; (ii) examining their explanatory power for the location of historical trade routes in the Old World; and (iii) analyzing their association with genetic and cultural distances.
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Fife Place-Name Data

Fife Place-Name Data

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This was a pilot project to retroactively create an online database from the (purposefully laid-out) volumes of The Place-Names of Fife. It was successful, and allowed the researcher, Simon Taylor, and the systems developer, Brian Aitken, to work together on a prototype of what will become the full Scottish Place-Name database for the future (based on older models, which underlie the survey volumes).
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Early cinema in Scotland, 1896-1927

Early cinema in Scotland, 1896-1927

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The project website is a major output of the project. It is a MySQL database containing tables on venues, people, companies, films, newspaper and trade press articles. The venues and film locations (mainly for non-fiction Scottish films) are georeferenced. This is used to generate map markers to display on the public page, allowing users to click through from the map to otherinformation in the database. We have used the underlying data in other ways - classifying and comparing layers in response to specific research questions - so we intend to make the raw data available for other film historians. However the 'front end' of the web site will present a simpler interface for public access, with just venues and film locations.
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Crisis DB – US Political Violence Database

Crisis DB – US Political Violence Database

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Collection of historical records of violent incidents in the United States, spanning from 1782 to the present day. The dataset is categorized by date, incident type, subtypes, casualties, geographical location of the violence, documented fatalities, and the authoritative sources from which this data is derived. Additionally, each entry includes a detailed narrative describing the specific circumstances surrounding the violent incident.
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Concert Programmes Project

Concert Programmes Project

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The sheer number of individual programmes means that creating a union catalogue at item level is not a viable option in the short or medium term. Instead, the Concert Programmes Project aims to create an online database of concert programme holdings in the UK and Ireland at collection level to enable scholars and music lovers to locate material that may be relevant to their research and and interests, and library professionals to identify priorities for collection development and preservation.
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Caloric Suitability Index dataset

Caloric Suitability Index dataset

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“The Caloric Suitability Indices” (CSI) capture the variation in potential crop yield across the globe, as measured in calories per hectare per year. Moreover, in light of the expansion in the set of crops that are available for cultivation in the course of the Columbian Exchange, the CSI indices provide a distinct measure for caloric suitability for the pre-1500 and the post-1500 era. The CSI indices provide four estimates of caloric suitability for each cell of size 5′× 5 in the world: The maximum potential caloric yield attainable given the set of crops that are suitable for cultivation in the pre-1500 period. The maximum potential caloric yield attainable, given the set of crops that are suitable for cultivation in the post-1500 period. The average potential yields within each cell, attainable given the set of crops that are suitable for cultivation in the pre-1500 period. The average potential yields within each cell, attainable given the set of crops that are suitable for cultivation in the post-1500 period. The Caloric Suitability Indices (Galor and Özak, 2016) captures the potential agricultural output (measured in calories) based on crops that were available for cultivation in the Pre-1500CE and Post-1500CE eras. It is available for 5’ by 5’ grid cells and at the country level. The data can be used to assess or account for the exogenous effect of agricultural potential on various economic and social outcomes. The data can be used to assess or account for the exogenous effect of agricultural potential on various economic and social outcomes. An IPython notebook is included to show how it can be used and also compares it with another measure of agricultural suitability. The data is provided as a service to the academic research community (see license for permitted uses).
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