Výsledky vyhledávání - "Hong-il Kwon"

Akademický článek

Assessing seasonal variations in water sources of streamflow in a temperate mesoscale catchment with granitic bedrocks using hydrochemistry and stable isotopes

Autor: Youn-Young Jung, Dong-Chan Koh, Woo-Jin Shin, Hong-Il Kwon, Yong-Hwa Oh, Kwang-Sik Lee

Publikováno v: Journal of Hydrology: Regional Studies, Vol 38, Iss , Pp 100940- (2021)

Study Region: Noseongcheon catchment is a mesoscale agricultural basin with crystalline bedrocks with seasonally variable precipitation and groundwater use. Study Focus: This study aimed to assess the influence of headwater streams on streamflow acro

Externí odkaz: https://doaj.org/article/e6bab9f7435d4db0ac6e8d1a859c06d8

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Akademický článek

Identifying and quantifying groundwater inflow to a stream using 220Rn and 222Rn as natural tracers

Autor: Yong Hwa Oh, Dong-Chan Koh, Hong-Il Kwon, Youn-Young Jung, Kil Yong Lee, Yoon-Yeol Yoon, Dong-Hun Kim, Hee Sun Moon, Kyoochul Ha

Publikováno v: Journal of Hydrology: Regional Studies, Vol 33, Iss , Pp 100773- (2021)

Study region: Noseong Stream watershed in Nonsan, Chuncheongnam-do, South Korea. Study focus: This study aims to identify and quantify groundwater inflow to a stream based on the spatial and temporal distributions of 220Rn and 222Rn activities in str

Externí odkaz: https://doaj.org/article/e2d863e9f1ab4d6180d5d750b5b396d0

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Variation of dissolved phosphorus in groundwater of riparian zones in an agricultural area

Autor: Dong-Chan Koh, Hong-Il Kwon

Phosphorus, which is one of important factors of surface water eutrophication, has been the main issue in surface water quality management. In recent years, there has been an increasing interest in phosphorus in groundwater as well as surface water.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4fcc598924b95282044c324ec9896d4
https://doi.org/10.5194/egusphere-egu23-4869

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Evaluating the sources and fate of nitrate in riparian aquifers under agricultural land using in situ-measured noble gases, stable isotopes, and metabolic genes

Autor: YeoJin Ju, Dong-Chan Koh, Dong-Hun Kim, Bernhard Mayer, Hong-il Kwon

Publikováno v: Water Research. 231:119601

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e88ecc3963cb1a7541bda0c044eaa623
https://doi.org/10.1016/j.watres.2023.119601

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Using stable isotopes and tritium to delineate groundwater flow systems and their relationship to streams in the Geum River basin, Korea

Autor: Kyoochul Ha, Joonghyeok Heo, Hong Il Kwon, Seong Taek Yun, Yoon Yeol Yoon, Dong-Chan Koh, Youn Young Jung

Publikováno v: Journal of Hydrology. 573:267-280

This study aims to clarify groundwater and stream water flow systems in the Geum River basin, Korea, which is an area with a crystalline basement using δ18O, δ2H, and 3H. Stable isotopes of precipitation showed clear differences between dry and rai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e222dff5ded448c25ffd0dca14eed3b9
https://doi.org/10.1016/j.jhydrol.2019.03.084

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Identifying and quantifying groundwater inflow to a stream using 220Rn and 222Rn as natural tracers

Autor: Hee Sun Moon, Kil Yong Lee, Dong-Hun Kim, Kyoochul Ha, Yong Hwa Oh, Yoon-Yeol Yoon, Dong-Chan Koh, Hong-Il Kwon, Youn-Young Jung

Publikováno v: Journal of Hydrology: Regional Studies, Vol 33, Iss, Pp 100773-(2021)

Study region Noseong Stream watershed in Nonsan, Chuncheongnam-do, South Korea. Study focus This study aims to identify and quantify groundwater inflow to a stream based on the spatial and temporal distributions of 220Rn and 222Rn activities in strea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b5195436911ddae885a69308949269e
http://www.sciencedirect.com/science/article/pii/S2214581821000021

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Nutrient dynamics in stream water and groundwater in riparian zones of a mesoscale agricultural catchment with intense seasonal pumping

Autor: Byong-Wook Cho, Hong-Il Kwon, Dong-Chan Koh, Yoon-Young Jung

Publikováno v: Agricultural Water Management. 261:107336

Water and soil in agricultural areas are usually enriched with nutrients from excessive fertilizations. Riparian zones, the interfaces between terrestrial and aquatic systems, play crucial roles in delivery of the nutrients to groundwater and surface

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e147fd35dbd1a8d7e84e435f96eeff29
https://doi.org/10.1016/j.agwat.2021.107336

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Assessing seasonal variations in water sources of streamflow in a temperate mesoscale catchment with granitic bedrocks using hydrochemistry and stable isotopes

Autor: Woo-Jin Shin, Yong-Hwa Oh, Hong-Il Kwon, Kwang-Sik Lee, Youn-Young Jung, Dong-Chan Koh

Publikováno v: Journal of Hydrology: Regional Studies, Vol 38, Iss, Pp 100940-(2021)

Study Region Noseongcheon catchment is a mesoscale agricultural basin with crystalline bedrocks with seasonally variable precipitation and groundwater use. Study Focus This study aimed to assess the influence of headwater streams on streamflow across

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47e122247e7679169ac21381abe26428
https://doi.org/10.1016/j.ejrh.2021.100940

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