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Marie de' Medici began the 'jardin du Luxembourg' during her Regency for Louis XIII. As Henry IV's queen, she had clung tenaciously to her Italian family heritage and as her upbringing had close associations with the spectacular 'giardino di Boboli', she was thus inspired to utilize it as the prototype for her Parisian garden. The validation of Marie de' Medici's success lies in the investigation of both gardens to determine the recurring features and to ascertain their precise chronology. Evidence suggests that some replicated features were well known to Marie, the 'Grotta Grande', the original layout and the amphitheatre's general form; while other features, the 'Isolotto' and the amphitheatre's stone seating, were not. These were realized either concurrently or even later than similar features at Luxembourg: a factor overlooked by historians who habitually cite the formative role of Boboli at Luxembourg.

The marine chemistry of dissolved iron (Fe) was examined in two studies conducted off the coast of British Columbia in the northeast Pacific. Dissolved (<0.4 µm) Fe was measured along inshore-offshore transects across the continental shelf in Queen Charlotte Sound. A benthic layer of high Fe, enriched due to exchange with shelf sediments, was found to extend across the shelf-slope break into offshore waters. Advection of these shelf waters may be a significant source of Fe to the nearby Fe-poor region of the northeast Pacific. In this Fe-limited gyre, little is known about the chemical speciation and bioavailability of Fe. The fractionation of dissolved Fe into inorganic and organically bound species along Line P was established by competitive ligand equilibration coupled with cathodic stripping voltammetry (CLE-CSV), and the results confirm the presence of biogenic Fe-binding ligands at concentrations in excess of dissolved Fe with conditional stability constants between 8.3 x 1010 and 5.6 x 1012 for the Fe-ligand complexes. The temporal and spatial variations observed are consistent with either a biological source of the ligands or an atmospheric source where greatest deposition occurs during the summer when stratification of the upper water column is most pronounced.

Thematic Paper (M.C.T.M. (Tropical Pediatrics))--Mahidol University, 2005.

Thematic Paper (M.C.T.M. (Tropical Pediatrics))--Mahidol University, 2005.

Thesis (M.A.)--Carleton University, 1992. / Also available in electronic format on the Internet.

Thesis (M.A.)--University of Hong Kong, 1989. / Also available in print.