Columbus's Outpost Among the Taínos

by Kathleen A. Deagan, José María Cruxent

2008 · Yale University Press

In 1493 Christopher Columbus led a fleet of 17 ships and more than 1200 men to found a royal trading colony in America. Columbus had high hopes for his settlement, which he named La Isabela after the queen of Spain, but just five years later it was in ruins. It remains important, however, as the first site of European settlement in America and the first place of sustained interaction between Europeans and the indigenous Tainos. Kathleen Deagan and Jose Maria Cruxent tell the story of this historic enterprise. Drawing on their ten-year archaeological investigation of the site of La Isabela, along with research into Columbus-era documents, they contrast Spanish expectations of America with the actual events and living conditions at America's first European town. Deagan and Cruxent argue that La Isabela failed not because Columbus was a poor planner but because his vision of America was grounded in European experience and could not be sustained in the face of the realities of American life. Explaining that the original Spanish economic and social frameworks for colonization had to be altered in America in response to the American landscape and the non-elite Spanish and Taino people who occupied it, they shed light on larger questions of American colonialism and the development of Euro-American cultural identity.

Archaeology at La Isabela

by Kathleen A. Deagan, José María Cruxent

2008 · Yale University Press

In this volume, Kathleen Deagan and Jose Maria Cruxent present detailed technical documentation of their ten-year archaeological excavation of La Isabela, America's first colony. The artefacts and material remains of the town offer rich material for comparative research into Euro-American cultural and material development during the crucial transition from the medieval era to the Renaissance. The period when La Isabela was in existence witnessed great innovation and change in many areas of technology. The archaeological evidence of La Isabela's architecture, weaponry, numismatics, pottery and metallurgy can be precisely dated, helping to chart the sequence of this change and revealing much that is new about late medieval technology. The authors' archaeological research also provides a foundation for their insights into the reasons for the demise of La Isabela.

Modeling and Control of Greenhouse Crop Growth

by Francisco Rodríguez, Manuel Berenguel, José Luis Guzmán, Armando Ramírez-Arias

2014 · Springer

A discussion of challenges related to the modeling and control of greenhouse crop growth, this book presents state-of-the-art answers to those challenges. The authors model the subsystems involved in successful greenhouse control using different techniques and show how the models obtained can be exploited for simulation or control design; they suggest ideas for the development of physical and/or black-box models for this purpose. Strategies for the control of climate- and irrigation-related variables are brought forward. The uses of PID control and feedforward compensators, both widely used in commercial tools, are summarized. The benefits of advanced control techniques—event-based, robust, and predictive control, for example—are used to improve on the performance of those basic methods. A hierarchical control architecture is developed governed by a high-level multiobjective optimization approach rather than traditional constrained optimization and artificial intelligence techniques. Reference trajectories are found for diurnal and nocturnal temperatures (climate-related setpoints) and electrical conductivity (fertirrigation-related setpoints). The objectives are to maximize profit, fruit quality, and water-use efficiency, these being encouraged by current international rules. Illustrative practical results selected from those obtained in an industrial greenhouse during the last eight years are shown and described. The text of the book is complemented by the use of illustrations, tables and real examples which are helpful in understanding the material. Modeling and Control of Greenhouse Crop Growth will be of interest to industrial engineers, academic researchers and graduates from agricultural, chemical, and process-control backgrounds.