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Groundwater-derived nutrient inputs to the Upper Gulf of Thailand |
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| Authors: | William C Burnett Gullaya Wattayakorn Makoto Taniguchi Henrieta Dulaiova Pramot Sojisuporn Sompop Rungsupa Tomotoshi Ishitobi |
| Institution: | 1. Department of Oceanography, Florida State University, Tallahassee, FL 32306, USA;2. Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;3. Research Institute for Humanity and Nature (RIHN), 457-4 Motoyama Kamigamo, Kita-ku, Kyoto 603-8047, Japan;4. Aquatic Resources Research Institute, Chulalongkorn University, Bangkok 10330, Thailand |
| Abstract: | We report here the first direct measurements of nutrient fluxes via groundwater discharge into the Upper Gulf of Thailand. Nutrient and standard oceanographic surveys were conducted during the wet and dry seasons along the Chao Phraya River, Estuary and out into the Upper Gulf of Thailand. Additional measurements in selected near-shore regions of the Gulf included manual and automatic seepage meter deployments, as well as nutrient evaluations of seepage and coastal waters. The river transects characterized the distribution of biogeochemical parameters in this highly contaminated urban environment. Seepage flux measurements together with nutrient analyses of seepage fluids were used to estimate nutrient fluxes via groundwater pathways for comparison to riverine fluxes. |
| Keywords: | Groundwater Nutrients Seepage Bangkok Gulf of Thailand |
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