Fluxes of Dissolved Inorganic Nutrients at the Pranburi River Mouth, Prachuap Khiri Khan Province
Abstract
The aims of this research are to studied fluxes of dissolved inorganic nutrients, total suspended solid (TSS) and water qualities at the Pranburi River, Prachuap Khiri Khan Province in December 2018, March, June and September 2019. Acoustic Doppler Current Profiler (ADCP) was used to measure water flux. The results showed that the net water flux and net dissolved inorganic nutrient fluxes were controlled by discharge from the Pranburi Dam. The net water fluxes mostly flowed seaward except in December when the net water flux and the net TSS flux flowed riverward for 0.01 x 106 m3/day and 62.59 ton/day, respectively. The largest net fluxes of water, silicate and phosphate occurred in September for 2.01 x 106 m3/day, 4,658.25 kg Si/day and 72.04 kg P/day, respectively, which is the peak of wet season. The net water flux in March was almost similar to that in June by 0.76 x 106 m3/day and 0.85 x 106 m3/day, respectively. Meanwhile, the net fluxes of ammonia and nitrate were largest in March (Dry season) by 276.60 and 220.70 kg N/day, respectively. For the water qualities in Pranburi River it was found that dissolved oxygen (DO) was less than 4 mg/L and ammonia, phosphate and BOD increased when the river water flowing through the urban area.Keywords : Pranburi River, Water quality, Fluxes of dissolved inorganic nutrients, fluxes of total suspended solidReferences
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Uttayarnmanee, P., Yuenyong, S., Khotchasanee, B. & Buranapratheprat, A. (2019). Fluxes of dissolved
inorganic nutrients and total suspended solid at the Sawi River Mouth, Chumphon Province during
wet and dry Seasons in 2014 – 2015. Burapha Science Journal, 22(2), 711-724. (in Thai)
Wastewater including Sediments and Sludges (18th Ed.). American Public Health
Association: American Water Works Association and the Water Environment Federation,
Washington DC., USA.
American Public Health Association – APHA. (1998). Standard Methods for the Examination of Water and
Wastewater (20th Ed.). American Water Works Association, and Water Environment
Federation, Washington DC., USA.
Aquatic Resources Research Institute – ARRI. (2012). Water Quality Survey 2. Retrieved July 20, 2020,
from http://www.ARRI.chula.ac.th/Academic/water%20quality/wet_55.pdf (in Thai)
Buranapratheprat, A., Choetchoojun, Y., Kongmaung, N., Intacharoen, P., Kan-atireklarp, S. & Gunboa, V.
(2013). Dissolved inorganic nutrient fluxes at the Prasae River mouth, Rayong Province in
Wet and Dry seasons in 2010. Burapha Science Journal, 18(2), 222-231. (in Thai)
Buranapratheprat, A., Kan-atireklarp, S., Yuenyong, S. & Kan-atireklarp, S. (2018). Fluxes of Suspended Sediment
and Dissolved Inorganic Nutrients at the Welu River Mouth in Dry and Wet Seasons in 2014. Burapha
Science Journal, 23(1), 546-556. (in Thai)
Department of Marine and Coastal Resources – DMCR. (2016). Red tide report in the Gulf of Thailand.
Retrieved May 28, 2018, from http://km.dmcr.go.th/th/c_1/s_188/d_7736 (in Thai)
Department of Marine and Coastal Resources – DMCR. (2017). Phenomena in the area of Hua Hin
Beach Prachuap Khiri Khan Province. Retrieved July 28, 2020,
https://www.dmcr.go.th/detailAll/16821/nws/87 (in Thai)
Dyer, K.R. (1973). Estuaries: A Physical Introduction. John Wiley & Sons. Aberdeen
Grasshoff, K., Kremling, K. & Ehrhardt, M. (1999). Methods of Seawater Analysis 3rd Eds. Weinheim: Wiley-VCH.
Hydro and Agro Informatics Institute – HAII. (2012A). Prachuap Khiri Khan Coastal Basin. Prachuap Khiri Khan
Province. Retrieved February 18, 2020, from https://www.thaiwater.net/web/attachments/25basins/20-
prachuap_coast.pdf (in Thai)
Hydro and Agro Informatics Institute – HAII. (2012B). East Coast Gulf. Retrieved April 11, 2020, from
https://www.thaiwater.net/web/attachments/25basins/18-eastcoast.pdf (in Thai)
Kan-atireklarp, S., Buranapratheprat, A., Yuenyong, S., Komsai, T. & Tainaokong, N. (2015). Fluxes of
suspended sediment and dissolved inorganic nutrients at the Rayong River mouth in Dry
and Wet seasons in 2013 Burapha Science Journal, 20(1), 133-144. (in Thai)
Kan-atireklarp, S., Yuenyong, S., Meesub, B., Buranapratheprat, A. & Meesub, A. (2016). Fluxes of dissolved
inorganic nutrients and suspended sediment at the Trat River mouth, Trat Province in dry
and wet seasons in 2014. Proceeding of the 5th Marine Science Conference, 221-228. (in Thai)
Kan-atireklarp, S., Yuenyong, S., Phothong, K., Chotchuang, P., Buranapratheprat, A. & Kan-atireklarp, S.
(2017). Fluxes of dissolved inorganic nutrients and total suspended solid at the Phangrad River Mouth,
Rayong Province during dry and wet Seasons in 2015. Burapha Science Journal, 22(3),500-509.
(in Thai)
Land Development Department–LDD. (2018). Land Use Planning for Prachuap Khiri Khan Province.
Retrieved June 23, 2020, from http://www1.ldd.go.th/WEB_OLP/Lu_61/Lu61_C/map61/A4_PKN61.jpg
(in Thai)
Land Development Department–LDD. (2001). Land Use Planning for Pranburi watershed.
Retrieved February 18, 2020, from
http://www.ldd.go.th/new_hp/map/lud_map/2001/index.html (in Thai)
Meteorological Department of Thailand – TMD. (2014). The Climate of Thailand. Retrieved
Jan 28, 2019, from https://www.tmd.go.th/info/info.php?FileID=22 (in Thai)
Meteorological Department of Thailand – TMD. (2020). Average Weather and Average monthly rainfall in
Prachuap Khiri Khan Province. Bangkok
National Park Research and Innovation Center, Phetchaburi Province–NAPAR Phetchaburi. (2018). Water quality
assesment in Kaeng Krachan Forest Complex. Retrieved April 11, 2020, from
http://park.dnp.go.th/dnp/researchnprc/nprc1153.pdf?fbclid=IwAR3wrBHwC9JMkXExXnDn6YA\
9xf2Kt_l8Qkmx41Fzd-yv6v82w6HSEWRz2FU (in Thai)
Pollution Control Department – PCD. (2011). Determination of surface water type for Pranburi River.
Retrieved July 28, 2019, from
http://www.oic.go.th/FILEWEB/CABINFOCENTER3/DRAWER056/GENERAL/DA TA0000/00000817.PDF
(in Thai)
Regional Environment office, 8th (Ratchaburi)– REO8. (2017). Report of Surface Water Quality in 2017.
Retrieved February 18, 2020, from http://www.REO8.mnre.go.th/th/information/more/422 (in Thai)
Regional Environment office, 8th (Ratchaburi)– REO8. (2019). Report of water quality monitoring of Pranburi
River and Kui Buri River 2019. Retrieved February 18, 2020, from
http://www.REO8.mnre.go.th/attachment/iu/download.php (in Thai)
Royal Irrigation Department – RID. (2019). Table summaries of water in Pranburi Dam (Southern Thailand).
Retrieved March 28, 2019, from http://app.RID.go.th:88/reservoir/rsvmiddle/dam_detail/100602/2019-01-
01/2019-12-31?fbclid=IwAR3dC4JXRZ767OkdNxXL49mhrUzdaUKscQjLIZppQoytTAvX1dCIuu_eobw
(in Thai)
Strickland, J.D.H. & Parsons, T.R. (1972). A Practical Handbook of Seawater Analysis. Fishery
Research Board of Canada, Ottawa.
Tamiyavanich, S. (1984). Changes in phytoplankton Composition and the cause of paralytic shellfish poisoning at
Pranburi. Proceedings of the third seminar on the water quality and the quality of living
resources in Thai waters. (30-38). Marine Science center Srinakharinwirot University Bangsane.
Uttayarnmanee, P., Yuenyong, S., Khotchasanee, B. & Buranapratheprat, A. (2019). Fluxes of dissolved
inorganic nutrients and total suspended solid at the Sawi River Mouth, Chumphon Province during
wet and dry Seasons in 2014 – 2015. Burapha Science Journal, 22(2), 711-724. (in Thai)
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Published
2021-05-05
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