Final answer:
A Location Analyst, a type of Human Geographer, would be the professional to consult for advising on an airport location near convention centers, as they have the necessary skills and tools for site location analysis.
Step-by-step explanation:
The geographer best suited to advise on the location of an airport close to convention centers would be a Location Analyst. Location analysts specialize in site location analysis, using GIS (Geographic Information Systems) and other tools to evaluate multiple factors such as traffic patterns, real estate costs, zoning laws, and socio-economic dynamics. Their expertise helps businesses and governments determine optimal locations for various facilities, including airports, to maximize accessibility and convenience for the intended users.