Mapping the Unknown: Early Nineteenth Century Hydrographic Surveys in the Archipelago of San Andres, Old Providence, and Santa Catalina (Western Caribbean)- A GIS Cartographic Assessment

Abstract

In the early nineteenth century, the Western Caribbean, particularly the Archipelago of San Andres, Old Providence, and Santa Catalina, became the focal point of ambitious hydrographic surveys. Despite the region's rich maritime heritage, challenges posed by complex geomorphology, frequent hurricanes, and cold fronts led to historical charting inadequacies, turning the Archipelago into a perilous ship trap. This study delves into the Spanish Armada (1804–05) and the Royal Navy (1833–36) hydrographic surveys to interpret the Maritime Cultural Landscape (MCL) of the archipelago. The importance of the archipelago as a link between South America, the Isthmus of Panama, Havana (Cuba), and Europe highlights the significance of these surveys. A comparative analysis of the Spanish and British methods offers insights into their strategies amid the perilous survey environment. While integration of Spanish nautical information into the British survey is evident, it culminated in the wreck of HMS Jackdaw, illustrating mapping expedition complexities. This paper also evaluates the accuracy of British cartography using Geographic Information System (GIS) methodologies. By overlaying the 1835 Old Providence Island chart onto contemporary 2021 cartography, we showcase the standards and precision of British surveys through an analysis of coastline and hydrographic soundings. Personal memoirs, official records, and descriptive accounts weave the narrative of the rich MCL, emphasizing its historical importance, the region's maritime identity, and the intertwining of environmental factors and cultural heritage.