Search Results - "Kwon, Hyeong Kyu"

Significant and conservative long-range transport of dissolved organic nutrients in the Changjiang diluted water by Kwon, Hyeong Kyu, Kim, Guebuem, Hwang, Jeomshik, Lim, Weol Ae, Park, Jong Woo, Kim, Tae-Hoon

“…The Changjiang River is one of the main nutrient sources in the northwestern Pacific marginal seas. However, most of the previous studies have neglected the…”
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Green tide development associated with submarine groundwater discharge in a coastal harbor, Jeju, Korea by Kwon, Hyeong Kyu, Kang, Hyekyung, Oh, Yong Hwa, Park, Sang Rul, Kim, Guebuem

“…We measured the magnitude of submarine fresh groundwater discharge (SFGD) and associated nutrient inputs to Jocheon harbor, on Jeju Island, Korea, during four…”
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Origins and characteristics of dissolved organic matter fueling harmful dinoflagellate blooms revealed by δ13C and d/l-Amino acid compositions by Park, Jihyun, Kim, Guebuem, Kwon, Hyeong Kyu, Han, Heejun, Park, Tae Gyu, Son, Moonho

“…We measured the concentrations of dissolved inorganic and organic nutrients, dissolved organic carbon (DOC), total hydrolyzable amino acids (THAA), fluorescent…”
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Growth and uptake kinetics of nitrate and phosphate by benthic microalgae for phytoremediation of eutrophic coastal sediments by Kwon, Hyeong Kyu, Oh, Seok Jin, Yang, Han-Soeb

“…► We investigated the uptake rates of nitrate and phosphate by 4 benthic microalgae. ► The uptake rate were high in the order of blue, mixed, red, yellow…”
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Ecological significance of alkaline phosphatase activity and phosphatase-hydrolyzed phosphorus in the northern part of Gamak Bay, Korea by Kwon, Hyeong Kyu, Oh, Seok Jin, Yang, Han-Soeb

“…► We investigated the ecological significance of APase and APHP in Gamak Bay, Korea. ► Relationship between DIP and APase activity are highly correlated. ►…”
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Phytoremediation by benthic microalgae (BMA) and light emitting diode (LED) in eutrophic coastal sediments by Kwon, Hyeong Kyu, Oh, Seok Jin, Yang, Han-Soeb, Kim, Pyoung Joong

“…In this study, we examined whether phytoremediation using benthic microalgae (BMA) and a light emitting diode (LED) can remediate eutrophic sediments caused by…”
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Role of terrestrial versus marine sources of humic dissolved organic matter on the behaviors of trace elements in seawater by Chen, Xiaoyu, Kwon, Hyeong Kyu, Joung, Dongjoo, Baek, Cheolmin, Park, Tae Gyu, Son, Moonho, Kim, Guebuem

“…We investigated the behaviors of dissolved trace elements (Mn, Fe, Ni, Cu, Zn, and Cd) associated with humic dissolved organic matter (DOMH) of varying origins…”
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Long-term changes in the concentrations of nutrients in the marginal seas (Yellow Sea, East China Sea, and East/Japan Sea) neighboring the Korean Peninsula by Park, Sojin, Kim, Guebuem, Kwon, Hyeong Kyu, Han, In-Seong

“…We examined the changes in the concentrations of dissolved inorganic nitrogen (DIN) and phosphorus (DIP) in the surface waters of the Yellow Sea (YS), the…”
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Significant contribution of coastal fish-farm activities to the inventory of trace elements in coastal waters: Traced by ammonia and rare earth elements by Chen, Xiaoyu, Kwon, Hyeong Kyu, Kim, Tae-Hoon, Park, Sung-Eun, Lee, Won Chan, Kim, Guebuem

“…In this study, we investigated the influence of fish-farm activities on the inventory of trace elements (Mn, Fe, Co, Ni, and Cu) in the coastal waters off the…”
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Biogeochemical conditions controlling the intensity of paralytic shellfish poisoning (PSP) outbreak caused by Alexandrium blooms: Results from 6-year field observations in Jinhae-Masan Bay, Korea by Lee, Hanbyul, Kim, Guebuem, Baek, Cheolmin, Yeo, Bo Hyun, Park, Jihyun, Son, Moonho, Park, Tae Gyu, Youn, Suk Hyun, Lim, Weol Ae, Kwon, Hyeong Kyu

“…Previous field observations from 2018 to 2019 revealed that paralytic shellfish poisoning (PSP) caused by the blooms of toxic dinoflagellate Alexandrium…”
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Conditions of nutrients and dissolved organic matter for the outbreaks of Paralytic Shellfish Poisoning (PSP) in Jinhae Bay, Korea by Kwon, Hyeong Kyu, Kim, Guebuem, Lim, Weol Ae, Park, Jong Woo, Park, Tae Gyu

“…We measured the concentrations of nutrients, fluorescent dissolved organic matter (FDOM), and photosynthetic pigments in seawater during the springs of 2018…”
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In-situ production of humic-like fluorescent dissolved organic matter during Cochlodinium polykrikoides blooms by Kwon, Hyeong Kyu, Kim, Guebuem, Lim, Weol Ae, Park, Jong Woo

“…We investigated phytoplankton pigments, dissolved organic carbon (DOC), and fluorescent dissolved organic matter (FDOM) during the summers of 2013 and 2016 in…”
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Quantification of groundwater versus fish-farm sources of nutrients in the coastal water off Jeju Island, Korea, using fluorescent dissolved organic matter as a tracer by Kwon, Hyeong Kyu, Kim, Guebuem, Kim, Tae-Hoon, Park, Sung-Eun, Lee, Won Chan

“…The concentrations of nutrients and dissolved organic matter (DOM) in the coastal waters off Jeju Island, Korea, are known to be influenced mainly by submarine…”
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Tracing Different Freshwater Sources for Nutrients and Dissolved Organic Matter in Coastal Waters off Jeju Island Using Radon by Kwon, Hyeong Kyu, Seo, Junhyeong, Cho, Hyung-Mi, Kim, Guebuem

“…In order to determine the origins of dissolved inorganic nutrients and dissolved organic matter in coastal waters off Jeju Island, Korea, we measured the…”
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Tracing the sources of nutrients fueling dinoflagellate red tides occurring along the coast of Korea using radium isotopes by Kwon, Hyeong Kyu, Kim, Guebuem, Han, Yongjin, Seo, Junhyeong, Lim, Weol Ae, Park, Jong Woo, Park, Tae Gyu, Han, In-Seong

“…It is a well held concept that the magnitude of red-tide occurrence is dependent on the amount of nutrient supply if the conditions are same for temperature,…”
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Origins and characteristics of dissolved organic matter fueling harmful dinoflagellate blooms revealed by δ 13 C and D/L-Amino acid compositions by Park, Jihyun, Kim, Guebuem, Kwon, Hyeong Kyu, Han, Heejun, Park, Tae Gyu, Son, Moonho

“…We measured the concentrations of dissolved inorganic and organic nutrients, dissolved organic carbon (DOC), total hydrolyzable amino acids (THAA), fluorescent…”
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Potential for heavy metal (copper and zinc) removal from contaminated marine sediments using microalgae and light emitting diodes by Kwon, Hyeong Kyu, Jeon, Jin Young, Oh, Seok Jin

“…The effects of monochromatic (blue, yellow and red LED) and mixed wavelengths (fluorescent lamp) on the adsorption and absorption of Cu and Zn by Phaeodactylum…”
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Fluorescent Dissolved Organic Matter (FDOM) in the East Sea (Japan Sea): Distributions, Sources, and Sinks by Han, Heejun, Cho, Hyung-Mi, Kwon, Hyeong Kyu, Kim, Guebuem

“…We measured the north–south transactional distributions of nutrients, dissolved organic carbon (DOC), and fluorescent dissolved organic matter (FDOM) in the…”
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Dissolved organic phosphorus utilization and alkaline phosphatase activity of the dinoflagellate Gymnodinium impudicum isolated from the South Sea of Korea by Oh, Seok Jin, Kwon, Hyeong Kyu, Noh, Il Hyeon, Yang, Han-Soeb

“…This study investigated alkaline phosphatase (APase) activity and dissolved organic and inorganic phosphorus utilization by the harmful dinoflagellate…”
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