GIS analysis for the study of rural depopulation: the Kingdom of Valencia (Tomas Lopez 1789)

San Antonio Gomez, Jose Carlos de; Martínez García, Josefina y Manzano Agugliaro, Francisco (2012). GIS analysis for the study of rural depopulation: the Kingdom of Valencia (Tomas Lopez 1789). En: "International Conference of Agricultural Engineering - CIGR-AgEng2012", 08/07/2012 - 12/07/2012, Valencia. pp. 24-29.


Título: GIS analysis for the study of rural depopulation: the Kingdom of Valencia (Tomas Lopez 1789)
  • San Antonio Gomez, Jose Carlos de
  • Martínez García, Josefina
  • Manzano Agugliaro, Francisco
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: International Conference of Agricultural Engineering - CIGR-AgEng2012
Fechas del Evento: 08/07/2012 - 12/07/2012
Lugar del Evento: Valencia
Título del Libro: International Conference of Agricultural Engineering - CIGR-AgEng2012
Fecha: Julio 2012
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Ingeniería Cartográfica, Geodesia y Fotogrametría [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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One of the more aspects that have shaped the landscape is the human impact. The human impact has the clearest indicator of the density of settlements in a particular geographic region. In this paper we study all settlements shown on the map of the Kingdom of Valencia, Spain Geographic Atlas (AGE) of Tomas Lopez (1788), and their correspondence with the current ones. To meet this goal we have developed a specific methodology, the systematic study of all existing settlements in historical cartography. This will determine which have disappeared and which have been renamed. The material used has been the historical cartography of Tomas Lopez, part of the AGE (1789), the Kingdom of Valencia (1789), sheets numbers (78, 79, 80 and 81); Current mapping of the provinces of Alicante, Valencia, Castellon, Teruel, Tattagona and Cuenca; As main software ArcGis V.9.3. The steps followed in the methodology are as follows: 1. Check the scale of the maps. Analyze the possible use of a spherical earth model. 2. Geo-reference of maps with latitude and longitude framework. Move the historical longitude origin to the origin longitude of modern cartography. 3 Digitize of all population settlements or cities. 4 Identify historic settlements or cities corresponding with current ones. 5. If the maps have the same orientation and scale, replace the coordinate transformation of historical settlements with a new one, by a translation in latitude and longitude equal to the calculated mean value of all ancient map points corresponding to the new. 6. Calculation of absolute accuracy of the two maps, i.e. the linear distance between the points of both maps. 7 draw in the GIS, the settlements without correspondence, in the current coordinates, and with a circle of mean error of the sheet, in order to locate their current location. If there are actual settlements exist within this circle, they are candidates to be the searched settlements. We analyzed more than 2000 settlements represented in the Atlas of Tomas Lopez of the Kingdom of Valencia (1789), of which almost 14.5% have no correspondence with the existing settlements. The rural landscape evolution of the Valencia, oldest kingdom of Valencia, one can say that can be severely affected by the anthropization suffered in the period from 1789 to the present, since 70% of existing settlements actually have appeared after Tomas Lopez¿s cartography, dated on 1789

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Depositado por: Memoria Investigacion
Depositado el: 01 Oct 2013 13:51
Ultima Modificación: 21 Abr 2016 23:21
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