Mobile QR Code QR CODE : Journal of the Korean Society of Civil Engineers

  1. ํ•œ๊ตญ๊ฑด์„ค๊ธฐ์ˆ ์—ฐ๊ตฌ์› ๊ตญํ† ๋ณด์ „์—ฐ๊ตฌ๋ณธ๋ถ€ ์ˆ˜์„์—ฐ๊ตฌ์› (Korea Institute of Civil Engineering and Building Technology)
  2. ํ•œ๊ตญ๊ฑด์„ค๊ธฐ์ˆ ์—ฐ๊ตฌ์› ๊ตญํ† ๋ณด์ „์—ฐ๊ตฌ๋ณธ๋ถ€ ์„ ์ž„์—ฐ๊ตฌ์œ„์› (Korea Institute of Civil Engineering and Building Technology)


๋ฐฐ์ˆ˜์˜ํ–ฅ, ํ•ฉ๋ฅ˜๋ถ€, ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„, ์ž๋™์œ ๋Ÿ‰์ธก์ •, HPG
Backwater, Junction, Stage-discharge relationship, Automatic discharge measurement, HPG

  • 1. ์„œ ๋ก 

  • 2. ๋Œ€์ƒ๊ตฌ๊ฐ„ ๋ฐ ์ˆ˜๋ฆฌํ•™์  ๋ชจํ˜• ๊ตฌ์ถ•

  • 3. HPG ์ž‘์„ฑ ๋ฐ ์œ ๋Ÿ‰ ์‚ฐ์ • ๋ฐฉ๋ฒ•

  • 4. ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์˜ HPG ์‚ฐ์ • ์œ ๋Ÿ‰ ํ‰๊ฐ€

  • 5. ๊ฒฐ๋ก  ๋ฐ ๊ณ ์ฐฐ

1. ์„œ ๋ก 

ํ•˜์ฒœ์œ ๋Ÿ‰์€ ์ด์ˆ˜ ์ธก๋ฉด์—์„œ ๋Œ ๋ฐ ์ €์ˆ˜์ง€ ์šด์˜, ์ˆ˜์ž์› ๊ณต๊ธ‰๋Ÿ‰ ์‚ฐ์ •์„ ํ†ตํ•œ ๋ฌผ์ˆ˜์ง€ ํ‰๊ฐ€, ์น˜์ˆ˜ ์ธก๋ฉด์—์„œ ํ•˜์ฒœ์‹œ์„ค๋ฌผ์˜ ์„ค๊ณ„ ๋ฐ ํ™์ˆ˜์˜ˆ๋ณด, ํ™˜๊ฒฝ ์ธก๋ฉด์—์„œ ์ˆ˜์ƒํƒœ๊ณ„ ๋ณด์ „ ๊ณ„ํš ์ˆ˜๋ฆฝ ๋“ฑ ๋ฌผ๊ด€๋ฆฌ ์—…๋ฌด ์ „๋ฐ˜์— ๊ฑธ์ณ ๊ธฐ์ดˆ๊ฐ€ ๋˜๋Š” ์ž๋ฃŒ๋กœ์„œ(Hidayat et al., 2011), ์—ฐ์† ์ธก์ •๋œ ์ˆ˜์œ„ ์ž๋ฃŒ์™€ ๊ด€์‹ฌ์ง€์ ์—์„œ์˜ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์„ ์ด์šฉํ•˜์—ฌ ์‚ฐ์ •๋œ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜, ์กฐ์œ„์˜ํ–ฅ ๋˜๋Š” ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ๋ฐ›๋Š” ๊ตฌ๊ฐ„์—์„œ๋Š” ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„์˜ ์„ค์ •์ด ์–ด๋ ค์šฐ๋ฏ€๋กœ ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค์„ ์„ค์น˜ํ•˜์—ฌ ์‹ค์‹œ๊ฐ„ ์œ ๋Ÿ‰์ž๋ฃŒ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ๋‹ค. 2010~2019 ์ˆ˜๋ฌธ์กฐ์‚ฌ๊ธฐ๋ณธ๊ณ„ํš(MLTM, 2008)์— ๋”ฐ๋ฅด๋ฉด 2019๋…„๊นŒ์ง€ ์œ ๋Ÿ‰์‚ฐ์ • ์ง€์ ์„ 334๊ฐœ์†Œ๊นŒ์ง€ ํ™•๋Œ€ ํ•„์š”ํ•จ์„ ์ œ์‹œํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์ด๋ฅผ ์œ„ํ•˜์—ฌ ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค์€ 2008๋…„ 11๊ฐœ ์ง€์ ์—์„œ 2019๋…„ 88๊ฐœ ์ง€์ ๊นŒ์ง€ ์ ์ฐจ ์„ค์น˜ ํ™•๋Œ€ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๊ณ„ํšํ•˜์˜€๋‹ค. ํ•œํŽธ ๊ตญ๊ฐ€์ˆ˜๋ฌธ์กฐ์‚ฌ ์ „๋‹ด๊ธฐ๊ด€์ธ ํ•œ๊ตญ์ˆ˜์ž์›์กฐ์‚ฌ๊ธฐ์ˆ ์›์˜ ์ˆ˜๋ฌธ์ž๋ฃŒ ๋ณด์œ  ํ˜„ํ™ฉ์„ ์‚ดํŽด๋ณด๋ฉด, 2010๋…„๋ถ€ํ„ฐ 2015๋…„๊นŒ์ง€ 154๊ฐœ์†Œ~203๊ฐœ์†Œ ์ˆ˜์ค€์œผ๋กœ ์œ ๋Ÿ‰์ธก์ •์ด ์‹ค์‹œ๋˜์—ˆ์œผ๋ฉฐ ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค์€ 2015๋…„ 6์›” ํ˜„์žฌ ์ „๊ตญ 52๊ฐœ์†Œ๊ฐ€ ์„ค์น˜ใ†์šด์˜๋˜๊ณ  ์žˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค. ์ด๋Š” ๊ณ„ํš(2015๋…„ ๋ชฉํ‘œ: ์œ ๋Ÿ‰์ธก์ • 257๊ฐœ์†Œ, ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค 65๊ฐœ์†Œ) ๋Œ€๋น„ 70~80 % ์ˆ˜์ค€์œผ๋กœ ๋ชฉํ‘œ ๋‹ฌ์„ฑ์— ๋‹ค์†Œ ๋ฏธํกํ•œ ์‹ค์ •์ด๋ฉฐ, ๊ทธ ์›์ธ์œผ๋กœ ์‹œ์„ค ์„ค์น˜ ๋ฐ ์œ ์ง€๊ด€๋ฆฌ์— ์†Œ์š”๋˜๋Š” ์ธ๋ ฅใ†์˜ˆ์‚ฐ์ด ์ฃผ์š” ์›์ธ์ธ ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค.

์œ ๋Ÿ‰์‚ฐ์ • ์‹ค๋ฌด์—์„œ๋Š” ์ผ๋ฐ˜์ ์œผ๋กœ ์ˆ˜์œ„์™€ ์œ ๋Ÿ‰์ด ์ผ๋Œ€์ผ๋กœ ๋Œ€์‘ํ•˜๋Š” ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์‹์„ ์ด์šฉํ•œ๋‹ค. ์ด๋Ÿฌํ•œ ๋ฐฉ๋ฒ•์€ ์ •์ƒ๋ฅ˜ ์ƒํƒœ์˜ ํ•˜์ฒœํ๋ฆ„์ด๋‚˜ ๋ถ€์ •๋ฅ˜ ์ƒํƒœ์—์„œ๋„ ๋‹ค์†Œ ๊ธ‰ํ•œ ํ•˜์ƒ๊ฒฝ์‚ฌ(> 10-3)๋ฅผ ๊ฐ€์ง„ ํ•˜์ฒœํ๋ฆ„์ผ ๊ฒฝ์šฐ์— ์ถฉ๋ถ„ํžˆ ์ ์šฉ๋  ์ˆ˜ ์žˆ๋‹ค(Dottori et al., 2009). ๊ทธ๋Ÿฌ๋‚˜ ์ด๋Ÿฌํ•œ ๊ฒฝ์šฐ๋ฅผ ์ œ์™ธํ•œ ์‹ค์ œ ํ•˜์ฒœ์—์„œ๋Š” ์ฃผ๋กœ ๋™์—ญํ•™์  ๊ฑฐ๋™์„ ๋ณด์ด๋Š” ๋ถ€์ •๋ฅ˜ ์ƒํƒœ๋กœ ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ฐ€ ์•„๋‹Œ ๊ณ ๋ฆฌ(loop)ํ˜• ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์„ ํ˜•์„ฑํ•˜๋ฉฐ(Chow, 1958; Fread, 1975; Dottori et al., 2009; Kim et al., 2012), ์ด๋Š” ํ•˜์ฒœ์˜ ์ƒํ•˜๋ฅ˜์˜ ์กฐ๊ฑด ์ƒํ™ฉ์— ๋”ฐ๋ผ ๊ณ„์† ๋ณ€ํ™”๋˜๋ฏ€๋กœ ํ•˜๋‚˜์˜ ๊ด€๊ณ„์‹์„ ์„ค์ •ํ•˜๋Š” ๊ฒƒ์ด ๊ณค๋ž€ํ•˜๋‹ค. ํŠนํžˆ ๋ณธ๋ฅ˜์™€ ์ง€๋ฅ˜๊ฐ€ ๋งŒ๋‚˜๋Š” ํ•ฉ๋ฅ˜๋ถ€์—์„œ๋Š” ๋‘ ํ๋ฆ„์˜ ์ƒํ˜ธ์ž‘์šฉ์œผ๋กœ ํ๋ฆ„์ •์ฒด๊ฐ€ ๋นˆ๋ฒˆํ•˜๊ฒŒ ๋ฐœ์ƒ๋˜๊ณ  ์žˆ์œผ๋ฉฐ, ๋ณธ๋ฅ˜์— ๋น„ํ•ด์„œ ์ƒ๋Œ€์ ์œผ๋กœ ํ™์ˆ˜๋Ÿ‰ ๊ทœ๋ชจ๊ฐ€ ์ž‘์€ ์ง€๋ฅ˜์—์„œ๋Š” ๋ฐฐ์ˆ˜์˜ํ–ฅ์— ์˜ํ•œ ์œ ์†์ €ํ•˜์™€ ์ˆ˜์œ„์ƒ์Šน์ด ๋ฐœ์ƒํ•˜์—ฌ(Choi et al., 2010; Kim et al., 2014), ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„์˜ ์„ค์ •์ด ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค. ์ด๋Š” ์œ ๋Ÿ‰์ด ์ˆ˜์œ„๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ํ•˜์ƒ๊ฒฝ์‚ฌ, ์ˆ˜๋ฉด๊ฒฝ์‚ฌ, ์œ ์†์˜ ์‹œโ€ค๊ณต๊ฐ„ ๋ณ€ํ™”์œจ ๋“ฑ์˜ ํ•จ์ˆ˜๋กœ ์ •์˜๋˜๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค(Kim et al., 2005). ๋”ฐ๋ผ์„œ ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์„ ์‹ค์ œ ํ•˜์ฒœ ํ•ฉ๋ฅ˜๋ถ€์— ์ ์šฉํ•˜๋ฉด, ์‚ฐ์ •๋œ ์œ ๋Ÿ‰์— ์‹ฌ๊ฐํ•œ ์˜ค์ฐจ๋ฅผ ๋ฐœ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋‹ค.

๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์—์„œ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์˜ ์ด๋Ÿฌํ•œ ๋ฌธ์ œ๋ฅผ ๊ทน๋ณตํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ๋ช‡ ๊ฐ€์ง€ ๋ฐฉ๋ฒ•๋“ค์ด ์ œ์•ˆ๋˜์—ˆ๋‹ค(e.g. Jones, 1915; Chow, 1958; Henderson, 1966; Fread, 1975; Rantz, 1982; Herschy, 1995; Fenton and Keller, 2001). ์ด๋“ค์€ ๋Œ€๋ถ€๋ถ„ ์‹คํ—˜์ ์ธ ์ž๋ฃŒ๋ฅผ ์ด์šฉํ•˜์—ฌ ์œ ๋„๋œ ๊ฒฝํ—˜์ ์ธ ๋ฐฉ๋ฒ•์œผ๋กœ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์„ ๋ณด์ •ํ•˜๊ฑฐ๋‚˜, ํ˜น์€ ํŠน์ • ํ๋ฆ„์กฐ๊ฑด๊ณผ ์ œํ•œ๋œ ํ•˜์ƒ์˜ ๊ธฐํ•˜ํ•™์  ๊ตฌ์กฐ์—์„œ ์ ์šฉ๋  ์ˆ˜ ์žˆ๋Š” ๋‹จ์ˆœํ™”๋œ ๋™์—ญํ•™ํŒŒ๋ฐฉ์ •์‹์„ ์ด์šฉํ•˜๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์‹ค๋ฌด์ ์ธ ์ ์šฉ์„ฑ์ด ๋–จ์–ด์ง„๋‹ค(Schmidt and Yen, 2002; Dottori et al., 2009).

HPG (Hydraulic Performance Graph)๋Š” ๋ฐœ์ƒ ๊ฐ€๋Šฅํ•œ ๋ชจ๋“  ํ๋ฆ„์กฐ๊ฑด์— ๋Œ€ํ•œ ์ˆ˜๋ฉด๊ณก์„ ์„ ์ด์šฉํ•˜์—ฌ, ์ž„์˜ ํ•˜๋„๊ตฌ๊ฐ„์˜ ๋ฐฐ์ˆ˜์˜ํ–ฅ ํŠน์„ฑ์„ ์œ ๋Ÿ‰๊ณผ ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„(๋˜๋Š” ์ˆ˜์‹ฌ)์˜ ๊ด€๊ณ„๋กœ ํ‘œ์‹œํ•œ ๊ทธ๋ž˜ํ”„์ด๋‹ค. Yen and Gonzalez-Castro(1994)๋Š” ๋ฏธ๊ตญ ์ผ๋ฆฌ๋…ธ์ด(Illinois)์ฃผ์— ์œ„์น˜ํ•œ Boneyard Creek์˜ ์ˆ˜๋ฆฌํ•™์  ํ†ต์ˆ˜๋Šฅ์„ ๊ฒฐ์ •ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ HPG๋ฅผ ์ œ์•ˆํ•˜์˜€๋‹ค. ์ดํ›„ Gonzalez-Castro and Yen(2000)์€ ๊ฐœ์ˆ˜๋กœ ๋ถ€์ •๋ฅ˜ ํ๋ฆ„์ถ”์ ์— ๋Œ€ํ•ด์„œ๋„ HPG์˜ ์ ์šฉ์„ฑ์„ ํ‰๊ฐ€ํ•˜์˜€๋‹ค. Seo et al.(2014)์€ ๋‚™๋™๊ฐ• ์ค‘๋ฅ˜๊ตฌ๊ฐ„(๋‚™๋‹จ๋ณด~์™œ๊ด€) 91๊ฐœ ์ธก์„ ์— 90๊ฐœ์˜ HPG๋ฅผ ์ž‘์„ฑํ•˜๊ณ , ์‹ค์ œ ํ™์ˆ˜์‚ฌ์ƒ์„ ์ ์šฉํ•˜์—ฌ ์‹ค์ธก ํ™์ˆ˜์œ„์™€ ๋น„๊ตํ•˜์˜€๊ณ , ์ƒ๋Œ€์ ์œผ๋กœ ์งง์€ ๊ตฌ๊ฐ„์—์„œ ์ƒ๋ฅ˜ ์œ ๋Ÿ‰๊ณผ ํ•˜๋ฅ˜ ์ˆ˜์œ„๊ฐ€ ์ฃผ์–ด์งˆ ๊ฒฝ์šฐ ์ƒ๋ฅ˜ ์ˆ˜์œ„์˜ ์˜ˆ์ธก์ •๋„๊ฐ€ ํฌ๊ฒŒ ํ–ฅ์ƒ๋จ์„ ํ™•์ธํ•˜์˜€๋‹ค.

HPG๋ฅผ ์ด์šฉํ•˜์—ฌ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๋Š” ์—ฐ๊ตฌ๋„ ์ˆ˜ํ–‰๋˜์—ˆ๋‹ค. Gonzalez- Castro and Ansar(2003)์€ ํ•˜์ƒ๊ฒฝ์‚ฌ ์—†๋Š” ํ‰ํ‰ํ•œ ์šดํ•˜ ์ˆ˜๋กœ์—์„œ HPG๋กœ ์‚ฐ์ •๋œ ์œ ๋Ÿ‰๊ณผ ADCP๋กœ ์ธก์ •ํ•œ ์œ ๋Ÿ‰์„ ๋น„๊ตํ•˜์˜€์œผ๋ฉฐ, ์ˆ˜์œ„์˜ ๊ณ„์ธก์˜ค์ฐจ๋กœ ์ธํ•˜์—ฌ ์œ ๋Ÿ‰์‚ฐ์ •์˜ ๋ถˆํ™•์‹ค์„ฑ์ด ์ฆ๊ฐ€ํ•  ์ˆ˜ ์žˆ์Œ์„ ์ œ์‹œํ•˜์˜€๋‹ค. Kwon et al.(2008)์€ ๊ฐ€์ƒํ•˜๋„์—์„œ ์ž‘์„ฑ๋œ HPG๋กœ๋ถ€ํ„ฐ ๋“ฑ๋ฅ˜์ƒํƒœ์˜ ๊ธฐ์ค€ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ์„ค์ •ํ•˜๊ณ  ๋ฐฐ์ˆ˜์˜ํ–ฅ์ด ์žˆ๋Š” ๊ฒฝ์šฐ์— ๊ธฐ์ค€ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ๋ณด์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์‹œ๋„ํ•˜์˜€๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋‘ ์—ฐ๊ตฌ ๋ชจ๋‘ ๊ท ์ผํ•œ ๊ฐ€์ƒํ•˜๋„์— ์ ์šฉ๋˜์–ด ๋ถˆ๊ทœ์น™ํ•œ ์ง€ํ˜•์กฐ๊ฑด์˜ ์ž์—ฐํ•˜๋„์—์„œ ์œ ๋Ÿ‰ ์‚ฐ์ •์— ํ™œ์šฉ๋œ ์‚ฌ๋ก€๋Š” ์ „๋ฌดํ•œ ์‹ค์ •์ด๋‹ค.

๋ณธ ์—ฐ๊ตฌ์˜ ๋ชฉ์ ์€ ํ•ฉ๋ฅ˜๋ถ€ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ๋ฐ›๋Š” ์ง€๋ฅ˜๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๊ธฐ ์œ„ํ•œ ๋ฐฉ๋ฒ•์„ ๊ฐœ๋ฐœํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ์ด๋ฅผ ์œ„ํ•˜์—ฌ ๋จผ์ € HEC-RAS ๋ชจํ˜•์„ ๊ตฌ์ถ•ํ•˜๊ณ , ๋ถ€์ •๋ฅ˜ ๋ชจ์˜๋กœ ๊ตฌ์ถ•๋œ ๋ชจํ˜•์„ ๋ณด์ •ํ•˜์˜€๋‹ค. ๋ณด์ •๋œ ๋ชจํ˜•์„ ์ด์šฉํ•˜์—ฌ ๋ฐœ์ƒ ๊ฐ€๋Šฅํ•œ ๋ฒ”์œ„์˜ ํ•˜์ฒœ ์œ ๋Ÿ‰์กฐ๊ฑด์— ๋Œ€ํ•˜์—ฌ ๋ฐฐ์ˆ˜์˜ํ–ฅ ์ˆ˜๋ฉด๊ณก์„ ์„ ์š”์•ฝํ•œ HPG๋ฅผ ์ž‘์„ฑํ•˜์˜€๊ณ , HPG๋กœ๋ถ€ํ„ฐ ์œ ๋Ÿ‰์ž๋ฃŒ์˜ ๋…์ทจ๊ฐ€ ์šฉ์ดํ•˜๋„๋ก ํฌ๋ฆฌ๊น…(kriging) ๋ณด๊ฐ„์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์ด๋ ‡๊ฒŒ ๋ณด๊ฐ„๋œ HPG์™€ ๋‘ ์ˆ˜์œ„๊ด€์ธก์†Œ์—์„œ ๊ณ„์ธก๋œ ์ˆ˜์œ„๋ฅผ ์ด์šฉํ•˜์—ฌ ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜์˜€์œผ๋ฉฐ, ๊ทธ ๊ฒฐ๊ณผ๋ฅผ ๊ตฌ๊ฐ„ ๋‚ด ์ž๋™์œ ๋Ÿ‰์ธก์ •์ž๋ฃŒ์™€ ๋น„๊ตํ•จ์œผ๋กœ์จ ๊ฐœ๋ฐœ๋œ ๋ฐฉ๋ฒ•์˜ ์ •ํ™•์„ฑ์„ ๊ฒ€ํ† ํ•˜์˜€๋‹ค.

2. ๋Œ€์ƒ๊ตฌ๊ฐ„ ๋ฐ ์ˆ˜๋ฆฌํ•™์  ๋ชจํ˜• ๊ตฌ์ถ•

๋ณธ ์—ฐ๊ตฌ๋Š” ๋‚™๋™๊ฐ• ์ œ1์ง€๋ฅ˜์ธ ๊ธˆํ˜ธ๊ฐ•์„ ๋Œ€์ƒ์œผ๋กœ ์ˆ˜ํ–‰๋˜์—ˆ๋‹ค. ๊ธˆํ˜ธ๊ฐ•์€ ์œ ๋กœ์—ฐ์žฅ 114.6 km, ์œ ์—ญ๋ฉด์  2,087.9 km2๋กœ์„œ ๋‚™๋™๊ฐ• ์ „์ฒด ์œ ์—ญ๋ฉด์  23,326.3 km2์˜ ์•ฝ 9 %์— ํ•ด๋‹นํ•œ๋‹ค. ๊ธˆํ˜ธ๊ฐ• ์œ ์—ญ์˜ ์œ ์ถœ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ 1962๋…„๋ถ€ํ„ฐ ๋‚™๋™๊ฐ• ํ•ฉ๋ฅ˜๋ถ€ ์ธ๊ทผ ์„ฑ์„œ ์ˆ˜์œ„๊ด€์ธก์†Œ๋ฅผ ์„ค์น˜ใ†์šด์˜ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, 2008๋…„์—๋Š” ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค์„ ์„ค์น˜ํ•˜๊ณ  ์•ˆ์ •ํ™” ๊ณผ์ •์„ ๊ฑฐ์ณ ํ˜„์žฌ๊นŒ์ง€ ์—ฐ์† ์œ ๋Ÿ‰์ž๋ฃŒ๋ฅผ ์ œ๊ณตํ•˜๊ณ  ์žˆ๋‹ค.

๊ธˆํ˜ธ๊ฐ• ์ˆ˜๋ฆฌํ•™์  ๋ชจํ˜• ๊ตฌ์ถ• ๋Œ€์ƒ๊ตฌ๊ฐ„์œผ๋กœ ์ƒ๋ฅ˜๋‹จ ๊ฒฝ๊ณ„๋Š” ๋™์ดŒ ์ˆ˜์œ„๊ด€์ธก์†Œ, ํ•˜๋ฅ˜๋‹จ ๊ฒฝ๊ณ„๋Š” ๋‚™๋™๊ฐ• ํ•ฉ๋ฅ˜๋ถ€๋ฅผ ์„ ์ •ํ•˜์˜€๋‹ค. ๋™์ดŒ ์ˆ˜์œ„๊ด€์ธก์†Œ๋Š” ๋‚™๋™๊ฐ• ํ•ฉ๋ฅ˜๋ถ€๋กœ๋ถ€ํ„ฐ 26.9 km ์ƒ๋ฅ˜์— ์œ„์น˜ํ•˜์—ฌ ๋‚™๋™๊ฐ•์œผ๋กœ ์ธํ•œ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ๋ฐ›์ง€ ์•Š๋Š”๋‹ค. HEC-RAS ๋ชจํ˜•์˜ ์ƒ๋ฅ˜๋‹จ ๊ฒฝ๊ณ„์กฐ๊ฑด์œผ๋กœ ๋™์ดŒ ์ˆ˜์œ„๊ด€์ธก์†Œ์˜ ์œ ๋Ÿ‰์ž๋ฃŒ๋ฅผ ์‚ฌ์šฉํ•˜์˜€๊ณ , ํ•˜๋ฅ˜๋‹จ ๊ฒฝ๊ณ„์กฐ๊ฑด์€ ํ•ฉ๋ฅ˜๋ถ€์—์„œ ์ƒ๋ฅ˜๋ฐฉํ–ฅ์œผ๋กœ 0.887 km ๋–จ์–ด์ ธ ์žˆ๋Š” ๊ฐ•์ •๊ณ ๋ น๋ณด ์งํ•˜๋ฅ˜์—์„œ ์ธก์ •๋œ ์ˆ˜์œ„์ž๋ฃŒ๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค. ๋Œ€์ƒ๊ตฌ๊ฐ„ ๋‚ด์—๋Š” ์ฃผ์š” ์ง€๋ฅ˜๋กœ ๋™ํ™”์ฒœ๊ณผ ์‹ ์ฒœ์ด ์œ ์ž…๋˜๊ณ  ์žˆ์œผ๋ฏ€๋กœ ๋™ํ™”์ฒœ์€ ๋™๋ณ€ ์ˆ˜์œ„๊ด€์ธก์†Œ, ์‹ ์ฒœ์€ ์นจ์‚ฐ ์ˆ˜์œ„๊ด€์ธก์†Œ์˜ ์œ ๋Ÿ‰์ž๋ฃŒ๋ฅผ ๊ธˆํ˜ธ๊ฐ•์˜ ์ธก๋ฐฉ์œ ์ž…์กฐ๊ฑด์œผ๋กœ ๊ณ ๋ คํ•˜์˜€๋‹ค(Fig. 1 ์ฐธ์กฐ). ๊ทธ๋ฆฌ๊ณ , ๊ธˆํ˜ธ๊ฐ• ๋‹จ๋ฉด์ž๋ฃŒ๋Š” ํ•˜์ฒœ๊ธฐ๋ณธ๊ณ„ํš ์ˆ˜๋ฆฝ์‹œ ์‹œํ–‰๋œ 2009๋…„ ์ธก๋Ÿ‰์ž๋ฃŒ๋ฅผ ํ™œ์šฉํ•˜์˜€๋‹ค.

Figure_KSCE_38_6_06_F1.jpg
Fig. 1.

Study Area

๋ชจํ˜• ๋ณด์ •์„ ์œ„ํ•˜์—ฌ ์ตœ๊ทผ ๊ฐ€์žฅ ํฐ ํ™์ˆ˜์˜€๋˜ 2012. 09. 17 06:00~ 2012. 09. 18 22:00(40 hr) ์‚ฌ์ƒ๊ณผ 2014. 08. 18 03:00~2014. 08. 19 19:00(40 hr)์„ ์ด์šฉํ•˜์˜€๋‹ค. Fig. 2๋Š” ๋ณด์ • ์‚ฌ์ƒ์˜ ๊ฒฝ๊ณ„์กฐ๊ฑด์„ ๋‚˜ํƒ€๋‚ด๋ฉฐ, Fig. 3์€ ์„ฑ์„œ์™€ ์‚ฐ๊ฒฉ ์ง€์ ์—์„œ ๊ด€์ธก ์ˆ˜์œ„์™€ ๊ณ„์‚ฐ ์ˆ˜์œ„๋ฅผ ๋น„๊ตํ•œ ๊ฒƒ์ด๋‹ค.

Figure_KSCE_38_6_06_F2.jpg
Fig. 2.

Boundary Condition

Figure_KSCE_38_6_06_F3.jpg
Fig. 3.

Results of Model Calibration

2012๋…„ ์‚ฌ์ƒ์˜ ๊ฒฝ์šฐ ์‚ฐ๊ฒฉ๊ณผ ์„ฑ์„œ์˜ ์ฒจ๋‘์ˆ˜์œ„ ์˜ค์ฐจ(๊ด€์ธก-๊ณ„์‚ฐ)๋Š” ๊ฐ๊ฐ โ€“0.10 m, 0.12 m๋กœ ๋‚˜ํƒ€๋‚ฌ์œผ๋ฉฐ, 2014๋…„ ์‚ฌ์ƒ์—์„œ๋Š” โ€“0.08 m, 0.07 m๋กœ ๋‚˜ํƒ€๋‚˜ ๋ชจํ˜•์ด ๋น„๊ต์  ์ž˜ ๋ณด์ •๋˜์—ˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค. ์‚ฐ๊ฒฉ ์ง€์ ์˜ ๊ฒฝ์šฐ, ๋‘ ์‚ฌ์ƒ ๋ชจ๋‘ ์ €์œ ๋Ÿ‰ ๊ตฌ๊ฐ„์—์„œ ์ˆ˜์œ„๊ณ„์‚ฐ ์˜ค์ฐจ๊ฐ€ ํฌ๊ฒŒ ๋‚˜ํƒ€๋‚˜๋Š”๋ฐ ์ด๋Š” ์ˆ˜์œ„๊ด€์ธก์†Œ ํ•˜๋ฅ˜ ์•ฝ 600 m์— ์œ„์น˜ํ•œ ๋ฌดํƒœ ๊ฐ€๋™๋ณด์˜ ์šด์˜๊ณผ ๋”๋ถˆ์–ด 2011๋…„ ๊ฐœ๋Ÿ‰๋œ ๋ณด ์ œ์› ๋ฐ ์ง€ํ˜•์˜ ๋ณ€ํ™”๋ฅผ ์ถฉ๋ถ„ํžˆ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ•œ ์›์ธ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. Table 1์€ ๋ชจํ˜• ๋ณด์ •์˜ ๊ฒฐ๊ณผ๋ฌผ์ธ ๊ตฌ๊ฐ„๋ณ„ ์œ ๋Ÿ‰๊ทœ๋ชจ์— ๋”ฐ๋ฅธ ์กฐ๋„๊ณ„์ˆ˜๋ฅผ ๋‚˜ํƒ€๋‚ธ๋‹ค.

Table 1. Calibrated Roughness Coefficient

Discharge (m3/s) Dongchon~Mutae Br. Mutae Br.~Weir Weir~Paldal Br. Paldal Br.~Geumho Br. Geumho Br. ~Junction
0~100 0.027~0.034 0.017~0.022 0.023~0.030 0.022~0.028 0.028~0.030
100~500 0.024~0.027 0.016~0.017 0.021~0.023 0.020~0.022 0.028~0.028
500~1,000 0.020~0.024 0.013~0.016 0.018~0.021 0.016~0.020 0.027~0.028
1,000~1,500 0.014~0.020 0.009~0.013 0.012~0.018 0.011~0.016 0.026~0.027
1,500~1,800 0.014~0.016 0.009~0.010 0.012~0.014 0.011~0.013 0.026
1,800~ 0.016 0.010 0.014 0.013 0.026

3. HPG ์ž‘์„ฑ ๋ฐ ์œ ๋Ÿ‰ ์‚ฐ์ • ๋ฐฉ๋ฒ•

HPG๋Š” ์ •์ƒ๋ถ€๋“ฑ๋ฅ˜ ๋ฐฉ์ •์‹์˜ ํ•ด๋กœ๋ถ€ํ„ฐ ์ž‘์„ฑ๋œ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์‹ค์ œ ํ™์ˆ˜์‚ฌ์ƒ์— ๋Œ€ํ•œ HEC-RAS ๋ถ€์ •๋ฅ˜ ๋ชจ์˜๋ฅผ ์ˆ˜ํ–‰ํ•˜์—ฌ ๋ชจํ˜• ๋งค๊ฐœ๋ณ€์ˆ˜์ธ ๋Œ€์ƒ๊ตฌ๊ฐ„์˜ ์กฐ๋„๊ณ„์ˆ˜๋ฅผ ๋ณด์ •ํ•˜๊ณ , ๋ณด์ •๋œ ๋ชจํ˜•์„ ์ด์šฉํ•˜์—ฌ ๋‹ค์–‘ํ•œ ์œ ๋Ÿ‰๊ทœ๋ชจ์˜ ์ •์ƒ๋ฅ˜ ํ•ด์„์„ ์ˆ˜ํ–‰ํ•จ์œผ๋กœ์จ HPG๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค.

HEC-RAS ๋ชจํ˜•์„ ์ด์šฉํ•˜์—ฌ ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์˜ HPG๋ฅผ ์ž‘์„ฑํ•˜๋Š” ๊ณผ์ •์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

1. ๋จผ์ € ํ•ด๋‹น ํ•˜๋„๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰๊ทœ๋ชจ์˜ ๋ฒ”์œ„๋ฅผ ๊ฒฐ์ •ํ•œ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” HPG๋ฅผ ์ด์šฉํ•œ ์œ ๋Ÿ‰์‚ฐ์ •์˜ ์ ์šฉ์„ฑ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ 200 m3/s์—์„œ 4,500 m3/s๊นŒ์ง€ ์œ ๋Ÿ‰(12๊ฐœ ์œ ๋Ÿ‰์กฐ๊ฑด)์˜ ์ ์ง„์ ์ธ ์ฆ๊ฐ€๋ฅผ ๊ณ ๋ คํ•˜์˜€๋‹ค.

2. HEC-RAS ๋ถ€๋“ฑ๋ฅ˜ ๋ชจ์˜๋ฅผ ์ˆ˜ํ–‰ํ•  ๋•Œ, ๋‹ค์–‘ํ•œ ํฌ๊ธฐ์˜ ์œ ๋Ÿ‰์„ ์ƒ๋ฅ˜ ๊ฒฝ๊ณ„์กฐ๊ฑด์œผ๋กœ ์ง€์ •ํ•˜๊ณ , ํ•˜๋ฅ˜ ๊ฒฝ๊ณ„์กฐ๊ฑด์€ ํ•œ๊ณ„์ˆ˜์‹ฌ์„ ์ง€์ •ํ•œ๋‹ค.

3. ๊ฐ ์œ ๋Ÿ‰๊ทœ๋ชจ์—์„œ ๊ณ„์‚ฐ๋œ ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„ ์ƒ๋ฅ˜๋‹จ ์ˆ˜์œ„์™€ ํ•˜๋ฅ˜๋‹จ ์ˆ˜์œ„(ํ•œ๊ณ„์ˆ˜์‹ฌ)๋ฅผ ์—ฐ๊ฒฐํ•˜์—ฌ Fig. 4์˜ Cd-curve๋ฅผ ์ž‘์„ฑํ•œ๋‹ค.

Figure_KSCE_38_6_06_F4.jpg
Fig. 4.

HPG in Subcritical Flow (Yen and Gonzalez-Castro, 2000)

4. ์ด์–ด์„œ Q1, Q2, Q3 ๋“ฑ ํ•˜๋‚˜์˜ ์œ ๋Ÿ‰ ์กฐ๊ฑด์—์„œ ํ•˜๋ฅ˜๋‹จ ํ•œ๊ณ„์ˆ˜์‹ฌ์œผ๋กœ๋ถ€ํ„ฐ ์ ์ง„์ ์œผ๋กœ ์ฆ๊ฐ€๋˜๋Š” ์ˆ˜์‹ฌ(0.5 m ๊ฐ„๊ฒฉ์œผ๋กœ 14๊ฐ€์ง€ ์ˆ˜์œ„์กฐ๊ฑด)์„ ๋ถ€์—ฌํ•˜๊ณ  ์ด์— ๋Œ€ํ•œ ์ƒ๋ฅ˜ ์ˆ˜์‹ฌ์„ ๊ณ„์‚ฐํ•˜๋ฉด, Fig. 4์™€ ๊ฐ™์€ ๊ฐ ์œ ๋Ÿ‰ ๊ทœ๋ชจ์˜ HPG ์ž‘์„ฑ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ์ด๋•Œ ํ•˜๋ฅ˜๋‹จ ์ˆ˜์œ„์˜ ์ตœ๋Œ€์น˜๋Š” ํ•˜๋ฅ˜๋‹จ ๋‹จ๋ฉด์˜ ์ง€ํ˜•์กฐ๊ฑด๊ณผ HPG ์ž‘์„ฑ์— ๊ณ ๋ คํ•œ ์ตœ๋Œ€ ์œ ๋Ÿ‰๊ทœ๋ชจ๋ฅผ ๋ฐ˜์˜ํ•˜์—ฌ ์„ค์ •ํ•˜์˜€๋‹ค.

5. ํ•œํŽธ, ํ•ด๋‹น๊ตฌ๊ฐ„์— ์œ ๋Ÿ‰์ด 0์ธ ๊ฒฝ์šฐ๋Š” ํ•˜๋ฅ˜๋‹จ๊ณผ ์ƒ๋ฅ˜๊ฐ„์˜ ์ˆ˜์œ„๊ฐ€ ๊ฐ™์„ ๊ฒƒ์ด๋‹ค. ๋”ฐ๋ผ์„œ Fig. 4์˜ Z-line์€ ํ•ด๋‹น๊ตฌ๊ฐ„์— ํ๋ฆ„์ด ์—†๋Š” ๊ฒฝ์šฐ๋ฅผ ์˜๋ฏธํ•œ๋‹ค.

๋ณธ ์—ฐ๊ตฌ์—์„œ HPG๋กœ ์‚ฐ์ •ํ•œ ์œ ๋Ÿ‰์˜ ๊ฒ€์ฆ์„ ์œ„ํ•˜์—ฌ ๋น„๊ตํ•  ๊ธˆํ˜ธ๊ฐ• ์„ฑ์„œ ์ˆ˜์œ„๊ด€์ธก์†Œ ์ง€์ ์€ ํ•ฉ๋ฅ˜๋ถ€์˜ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ํฌ๊ฒŒ ๋ฐ›๋Š” ๊ณณ์ด๋‹ค. ์ฆ‰, ๋ณธ๋ฅ˜์ธ ๋‚™๋™๊ฐ•์˜ ์ˆ˜์œ„๊ฐ€ ๋†’์•„์ง€๋ฉด ์„ฑ์„œ์ง€์ ์˜ ์œ ๋Ÿ‰๊ณผ ๋ฌด๊ด€ํ•˜๊ฒŒ ์ˆ˜์œ„๊ฐ€ ์ƒ์Šนํ•˜๊ฒŒ ๋˜๋ฉฐ, Fig. 5์—์„œ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋“ฏ์ด ๋ฐฐ์ˆ˜์˜ํ–ฅ์ด ์—†๋Š” ์ง€์ ์—์„œ ๋‚˜ํƒ€๋‚˜๋Š” ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ ์„ ๊ธฐ๋Œ€ํ•  ์ˆ˜ ์—†๋‹ค. ์‹ค์ œ๋กœ 2012๋…„ 9์›” ํ™์ˆ˜๊ธฐ๊ฐ„ ๋™์•ˆ ์ž๋™์œ ๋Ÿ‰์ธก์ •์‹œ์„ค๋กœ ์‹ค์ธก๋œ ์œ ๋Ÿ‰๊ณผ ์ˆ˜์œ„ ์ž๋ฃŒ๋กœ๋ถ€ํ„ฐ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ๊ทธ๋ ค๋ณด๋ฉด ๊ณ ๋ฆฌํ˜• ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ (Loop Rating Curve)์ด ์ž‘์„ฑ๋œ๋‹ค.

Figure_KSCE_38_6_06_F5.jpg
Fig. 5.

Stage-Discharge Relation at Seongseo Station

Fig. 4์™€ ๊ฐ™์ด HPG๋Š” ์ •์ƒ์ƒํƒœ์˜ ๊ตฌ๊ฐ„ ์œ ๋Ÿ‰(Q)๊ณผ ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„(Yu, Yd)์˜ ๊ด€๊ณ„๋ฅผ ๋‚˜ํƒ€๋‚ธ ๊ฒƒ์ด๋‹ค. ๋”ฐ๋ผ์„œ, HPG๋ฅผ ์ด์šฉํ•˜์—ฌ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๊ณ ์ž ํ•œ๋‹ค๋ฉด, ๋จผ์ € ๊ด€์‹ฌ๊ตฌ๊ฐ„์˜ ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„๋ฅผ ๊ณ„์ธกํ•˜์—ฌ์•ผ ํ•œ๋‹ค. ์ดํ›„ HPG์—์„œ ๋‘ ๊ณ„์ธก ์ˆ˜์œ„๊ฐ€ ๋งŒ๋‚˜๋Š” ์ ์„ ์ฝ์œผ๋ฉด, ๊ทธ ๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค. ์ด ๋•Œ ์‚ฐ์ •๋œ ์œ ๋Ÿ‰์˜ ๋ถˆํ™•์‹ค์„ฑ์„ ๋‚ฎ์ถ”๊ธฐ ์œ„ํ•˜์—ฌ ์ค‘์š”ํ•˜๊ฒŒ ๊ณ ๋ คํ•ด์•ผ ํ•  ์ ์€ ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„ ๊ณ„์ธก ๊ตฌ๊ฐ„ ๊ธธ์ด์˜ ๊ฒฐ์ •์ด๋‹ค. ๋‘ ์ˆ˜์œ„ ๊ฐ„ ๊ฑฐ๋ฆฌ๊ฐ€ ๊ฐ€๊นŒ์›Œ ์œ ๋Ÿ‰๋ณ€ํ™”์— ๋”ฐ๋ฅธ ์ˆ˜์œ„์ฐจ์˜ ๋ณ€ํ™”๊ฐ€ ํฌ์ง€ ์•Š์„ ๊ฒฝ์šฐ, HPG๋กœ๋ถ€ํ„ฐ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๋Š” ๊ฒƒ์ด ๊ณค๋ž€ํ•˜๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค.

์šฐ์„  ๊ธˆํ˜ธ๊ฐ• ํ•ฉ๋ฅ˜์ ์—์„œ 1.6 km ์ƒ๋ฅ˜์— ์œ„์น˜ํ•œ ์„ฑ์„œ ์ˆ˜์œ„๊ด€์ธก์†Œ ์ง€์ ์„ ๋Œ€์ƒ์œผ๋กœ ํ•ฉ๋ฅ˜๋ถ€ ์ˆ˜์œ„์™€ ์—ฐ๊ณ„ํ•˜์—ฌ Fig. 6(a)๊ณผ ๊ฐ™์ด HPG๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค. Fig. 5์— ๋‚˜ํƒ€๋‚ธ ์„ฑ์„œ ์ˆ˜์œ„๊ด€์ธก์†Œ ์ง€์  ์ˆ˜์œ„๊ฐ€ 19.6 EL.m์ผ ๊ฒฝ์šฐ๋ฅผ Fig. 6(a)์—์„œ ์‚ดํŽด๋ณด๋ฉด, ์œ ๋Ÿ‰ 500~2,500 m3/s์—์„œ ํ•ฉ๋ฅ˜๋ถ€ ์ˆ˜์œ„๊ฐ€ 19.4~19.6 EL.m๊นŒ์ง€ ๋ณ€ํ™”๋จ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค. ์ด๋Š” ํ•ฉ๋ฅ˜๋ถ€ ์ˆ˜์œ„์˜ ๊ณ„์ธก ์˜ค์ฐจ 1 cm๊ฐ€ ํ‰๊ท  100 m3/s์˜ ์˜ค์ฐจ๋ฅผ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ์Œ์„ ์˜๋ฏธํ•œ๋‹ค. ๋งŒ์•ฝ ์‹ค์ œ ์œ ๋Ÿ‰์ด 500 m3/s์ผ ๊ฒฝ์šฐ, ์œ ๋Ÿ‰ ์‚ฐ์ • ์˜ค์ฐจ๋Š” 20 %์— ํ•ด๋‹น๋œ๋‹ค. ๋”ฐ๋ผ์„œ ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” HEC-RAS ๋ชจํ˜•์„ ์ด์šฉํ•œ ํ•ด์„๊ฒฐ๊ณผ์ธ ํ•ฉ๋ฅ˜์  ์ƒ๋ฅ˜ 3.13 km ์ง€์ ์˜ ์„ธ์ฒœ๊ต ์ˆ˜์œ„๋ฅผ ์ด์šฉํ•˜์—ฌ Fig. 6(b)์™€ ๊ฐ™์ด HPG๋ฅผ ์ž‘์„ฑํ•˜๊ณ , ๋™์ผํ•œ ์œ ๋Ÿ‰ ๊ทœ๋ชจ์—์„œ ์œ ๋Ÿ‰์‚ฐ์ •์˜ ๋ถˆํ™•์‹ค์„ฑ์„ ๊ฒ€ํ† ํ•˜์˜€๋‹ค. ํ•ฉ๋ฅ˜๋ถ€-์„ธ์ฒœ๊ต HPG์—์„œ๋Š” ์„ธ์ฒœ๊ต์˜ ์ˆ˜์œ„๊ฐ€ 19.6 EL.m์ผ ๊ฒฝ์šฐ ํ•ฉ๋ฅ˜๋ถ€ ์ˆ˜์œ„๊ฐ€ 17.0~19.5 EL.m๊นŒ์ง€ ๋ณ€ํ™”๋˜๋ฉฐ, ์ด๋Š” ํ•ฉ๋ฅ˜์ˆ˜ ์ˆ˜์œ„ ๊ณ„์ธก ์˜ค์ฐจ๊ฐ€ 1 cm์ธ ๊ฒฝ์šฐ์—๋„ ํ‰๊ท  8 m3/s์˜ ์œ ๋Ÿ‰ ์‚ฐ์ •์˜ค์ฐจ๋ฅผ ๋‚˜ํƒ€๋‚ธ๋‹ค.

Figure_KSCE_38_6_06_F6.jpg
Fig. 6.

Comparion of HPGs in Kumho River Downstream

์—ฌ๊ธฐ์„œ, ์„ฑ์„œ ์ง€์ ๊ณผ ์„ธ์ฒœ๊ต ์ง€์ ์˜ ์ˆ˜์œ„-์œ ๋Ÿ‰ ๊ด€๊ณ„ ๋น„๊ต๋ฅผ ์œ„ํ•˜์—ฌ 2012๋…„ ์‚ฌ์ƒ์„ ๋ชจ์˜ํ•œ ๊ฒฐ๊ณผ(Fig. 7)๋ฅผ ํ™•์ธํ•˜๋ฉด, ์„ธ์ฒœ๊ต ๋˜ํ•œ ํ•ฉ๋ฅ˜๋ถ€์˜ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ํฌ๊ฒŒ ๋ฐ›๊ณ  ์žˆ์Œ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

Figure_KSCE_38_6_06_F7.jpg
Fig. 7.

HEC-RAS Model Results of 2012 Event

Fig. 6์™€ ๊ฐ™์€ HPG์—์„œ ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„์กฐ๊ฑด์— ๋งŒ์กฑํ•˜๋Š” ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ๊ฐ ์œ ๋Ÿ‰์˜ ๊ฑฐ๋™๊ณก์„ ์„ ๋ณด๊ฐ„ํ•  ํ•„์š”๊ฐ€ ์žˆ๋‹ค. ์ด๋ฅผ ์œ„ํ•˜์—ฌ ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ํฌ๋ฆฌ๊น… ๊ธฐ๋ฒ•์„ ํ™œ์šฉํ•˜์˜€๊ณ , ๋ณด๊ฐ„๋œ ์…€์˜ ํฌ๊ธฐ๋Š” ์ˆ˜์œ„ ์ธก์ •๊ฐ’์˜ ์œ ํšจ ์ž๋ฆฌ์ˆ˜๋ฅผ ๊ณ ๋ คํ•˜์—ฌ 0.01 m๋กœ ์ง€์ •ํ•˜์˜€๋‹ค. ๋‚™๋™๊ฐ• ํ•ฉ๋ฅ˜๋ถ€ ๊ทธ๋ฆฌ๊ณ  ์„ธ์ฒœ๊ต์˜ ์ˆ˜์œ„์ž๋ฃŒ์™€ ์ด ๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰์ž๋ฃŒ๋ฅผ ํฌ๋ฆฌ๊น… ๋ณด๊ฐ„ํ•œ HPG ๊ฒฐ๊ณผ๋Š” Fig. 8๊ณผ ๊ฐ™๋‹ค.

Figure_KSCE_38_6_06_F8.jpg
Fig. 8.

Kriging-interpolated HPG

4. ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์˜ HPG ์‚ฐ์ • ์œ ๋Ÿ‰ ํ‰๊ฐ€

๊ฐœ๋ฐœ๋œ HPG์™€ ๋‚™๋™๊ฐ• ํ•ฉ๋ฅ˜๋ถ€, ์„ธ์ฒœ๊ต ์ˆ˜์œ„ ์ž๋ฃŒ๋ฅผ ์ด์šฉํ•˜์—ฌ 2๊ฐœ์˜ ๋ชจํ˜• ๋ณด์ •์‚ฌ์ƒ์— 2012๋…„ 8์›”, 2013๋…„ 7์›” ์‚ฌ์ƒ์„ ์ถ”๊ฐ€ํ•˜์—ฌ ๊ธˆํ˜ธ๊ฐ• ํ•˜๋ฅ˜๊ตฌ๊ฐ„์˜ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•˜์˜€๋‹ค. ๊ทธ๋ฆฌ๊ณ  HPG๋กœ ์‚ฐ์ •๋œ ์œ ๋Ÿ‰์„ ์„ฑ์„œ ์ž๋™์œ ๋Ÿ‰์ธก์ •์ž๋ฃŒ์™€ ๊ธฐ์กด ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ณก์„ (Fig. 5)์— ์˜ํ•ด ์‚ฐ์ •๋œ ์œ ๋Ÿ‰๊ณผ ํ•จ๊ป˜ Fig. 9์— ๋น„๊ตํ•˜์˜€๋‹ค.

Figure_KSCE_38_6_06_F9.jpg
Fig. 9.

Comparison of Measured and Calculated Data

๋น„๊ต๊ฒฐ๊ณผ, ์ƒ๋Œ€์ ์œผ๋กœ ๋Œ€์ƒ์œ ์—ญ์˜ ํ™์ˆ˜ ๊ทœ๋ชจ๊ฐ€ ํฌ์ง€ ์•Š์•„ ๋‚™๋™๊ฐ•์˜ ๋ฐฐ์ˆ˜์˜ํ–ฅ์ด ์ž‘์€ ์‚ฌ์ƒ(Fig. 9(a), (b), (d))์—์„œ๋Š” ๊ธฐ์กด ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„, HPG, ์ž๋™์œ ๋Ÿ‰์ธก์ • ๋ฐฉ๋ฒ•์„ ์ด์šฉํ•œ ์œ ๋Ÿ‰์‚ฐ์ • ๊ฒฐ๊ณผ์˜ ์ฐจ์ด๊ฐ€ ํฌ์ง€ ์•Š์€ ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์ž๋™์œ ๋Ÿ‰์ธก์ • ์ž๋ฃŒ๋ฅผ ๊ธฐ์ค€์œผ๋กœ, HPG๋ฅผ ์ด์šฉํ•  ๊ฒฝ์šฐ ์ด ์ฒด์ ์€ 85~100 %, ์ฒจ๋‘ ์œ ๋Ÿ‰์€ 96~ 111 %๋กœ ์‚ฐ์ •๋˜์—ˆ๊ณ , ๊ธฐ์กด ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ์ด์šฉํ•  ๊ฒฝ์šฐ๋Š” ์ด ์ฒด์  98~106 %, ์ฒจ๋‘ ์œ ๋Ÿ‰์€ 95~106 % ์‚ฐ์ •๋˜์–ด ๋‘ ๊ฐ€์ง€ ๋ฐฉ๋ฒ• ๋ชจ๋‘ ์ž๋™์œ ๋Ÿ‰์ธก์ • ์ž๋ฃŒ์™€ ๋น„๊ตํ•˜์—ฌ ยฑ10 % ๋‚ด์™ธ์˜ ์ฐจ์ด๋ฅผ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ธˆํ˜ธ๊ฐ• ์œ ์—ญ์˜ ๊ฐ•์šฐ๊ฐ€ ์†Œ๊ฐ•์ƒํƒœ์— ์ ‘์–ด๋“  ์‹œ์ ์—์„œ๋„ ๋‚™๋™๊ฐ• ๋ณธ๋ฅ˜์˜ ์œ ๋Ÿ‰์˜ ์ปธ๋˜ 2012๋…„ 9์›” ์‚ฌ์ƒ(Fig. 9 (b))์˜ ๊ฒฝ์šฐ, ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ์ด์šฉํ•œ ๋ฐฉ๋ฒ•์€ ํ™์ˆ˜๊ธฐ ํ•˜๊ฐ•๋ถ€, ๋‚™๋™๊ฐ• ๋ณธ๋ฅ˜ ์ˆ˜์œ„๊ฐ€ ์ฒœ์ฒœํžˆ ํ•˜๊ฐ•ํ•จ์— ๋”ฐ๋ผ ๋ฐœ์ƒ๋œ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ•˜๊ณ  ์‹ค์ธก๋œ ์œ ๋Ÿ‰์ˆ˜๋ฌธ๊ณก์„ ๊ณผ ๋‹ค๋ฅธ ์–‘์ƒ์„ ๋‚˜ํƒ€๋‚ธ๋‹ค. ๊ทธ ๊ฒฐ๊ณผ ํ™์ˆ˜ ์ „๊ธฐ๊ฐ„ ๋™์•ˆ ์ด ์ฒด์ ์€ ์•ฝ 60 % ํฌ๊ฒŒ ์‚ฐ์ •๋˜์—ˆ๊ณ , ์ฒจ๋‘ํ™์ˆ˜๋Ÿ‰ ๋˜ํ•œ 10 % ์ด์ƒ ํฌ๊ฒŒ ์‚ฐ์ •๋˜์—ˆ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ ๊ฐœ๋ฐœ๋œ ๋ฐฉ๋ฒ•์— ์˜ํ•œ ์œ ๋Ÿ‰ ์‚ฐ์ •๊ฒฐ๊ณผ๋Š” ์ž๋™์œ ๋Ÿ‰์ธก์ • ๊ฒฐ๊ณผ์™€ ํฐ ์ฐจ์ด๋ฅผ ๋‚˜ํƒ€๋‚ด์ง€ ์•Š์•˜์œผ๋ฉฐ, ์ด๋Ÿ‰ ๋ฐ ์ฒจ๋‘ํ™์ˆ˜๋Ÿ‰์˜ ์˜ค์ฐจ๊ฐ€ ๊ฐ๊ฐ 7 %, 3 %๋กœ ๊ฐ์†Œํ•˜์—ฌ ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๋ฅผ ์ด์šฉํ•œ ๋ฐฉ๋ฒ• ๋Œ€๋น„ ํฌ๊ฒŒ ๊ฐœ์„ ๋œ ๊ฒฐ๊ณผ๋ฅผ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค(Fig. 10).

Figure_KSCE_38_6_06_F10.jpg
Fig. 10.

Comparison of Methods for Computing Discharge at the Seongseo Stage Gauging Station

5. ๊ฒฐ๋ก  ๋ฐ ๊ณ ์ฐฐ

์‹ ๋ขฐ์„ฑ ์žˆ๋Š” ํ•˜์ฒœ์œ ๋Ÿ‰ ์ž๋ฃŒ๋Š” ์ˆ˜์ž์› ๋ฐฐ๋ถ„, ์ฃผ์šด, ํ™์ˆ˜ ๋˜๋Š” ๊ฐ€๋ญ„์˜ ์˜ˆ์ธก์„ ํฌํ•จํ•œ ๋ฌผ ๊ด€๋ฆฌ์— ๊ด€๋ จ๋œ ๋‹ค์–‘ํ•œ ์—ฐ๊ตฌ์— ํ•„์ˆ˜์ ์ธ ์š”์†Œ์ด๋ฉฐ, ์œ ์—ญ ๊ทœ๋ชจ์˜ ๋ฌผ์ˆ˜์ง€ ๋ถ„์„์—๋„ ๋งค์šฐ ์ค‘์š”ํ•˜๋‹ค. ๋˜ํ•œ ๊ฐ•์šฐ-์œ ์ถœ ๋ชจํ˜• ๋“ฑ ์ˆ˜๋ฌธํ•™์  ๋ชจํ˜•์˜ ๋ณด์ •๊ณผ ๊ฒ€์ฆ์—๋„ ์—ฐ์†์ ์ธ ์œ ๋Ÿ‰์ž๋ฃŒ๊ฐ€ ํ•„์š”ํ•˜๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ์ง€๋ฅ˜ ํ•˜์ฒœ์—์„œ๋Š” ์œ ์—ญ ์œ ์ถœ๋Ÿ‰ ์‚ฐ์ •์„ ์œ„ํ•˜์—ฌ ํ•ฉ๋ฅ˜์ ์—์„œ ๋ฉ€๋ฆฌ ๋–จ์–ด์ง€์ง€ ์•Š์€ ๊ณณ์— ์ˆ˜์œ„๊ด€์ธก์†Œ๊ฐ€ ์œ„์น˜ํ•˜๊ฒŒ ๋œ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ํฌ๊ฒŒ ๋ฐ›๋Š” ํ•ฉ๋ฅ˜๋ถ€ ๊ตฌ๊ฐ„์—์„œ๋Š” ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„๊ฐ€ ๋‚˜ํƒ€๋‚˜์ง€ ์•Š์œผ๋ฏ€๋กœ ์œ ๋Ÿ‰ ์‚ฐ์ •์ด ๋ถˆ๊ฐ€๋Šฅํ•œ ์ƒํ™ฉ์ด ๋ฐœ์ƒํ•œ๋‹ค. ์ด๋Ÿฌํ•œ ๋ฌธ์ œ์ ์€ ์ง€๋ฅ˜์˜ ์œ ๋Ÿ‰์‚ฐ์ • ์ž์ฒด์˜ ๋ฌธ์ œ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ, ๋ณธ๋ฅ˜์˜ ํ™์ˆ˜์˜ˆ์ธก ์ •ํ™•๋„๋ฅผ ๋–จ์–ด๋œจ๋ฆฌ๋Š” ์ฃผ์š” ์›์ธ์ด ๋œ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์ด์™€ ๊ฐ™์€ ๋ฌธ์ œ์ ์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•˜์—ฌ, HPG (Hydraulic Performance Graph)๋ฅผ ์ด์šฉํ•œ ์œ ๋Ÿ‰์‚ฐ์ • ๋ฐฉ๋ฒ•์„ ๊ฒ€ํ† ํ•˜์˜€๊ณ , ๊ธˆํ˜ธ๊ฐ•์— ์ ์šฉํ•œ ๊ฒฐ๊ณผ ์„ฑ์„œ ์ž๋™์œ ๋Ÿ‰์ธก์ •๊ฒฐ๊ณผ์™€ ์ž˜ ์ผ์น˜ํ•˜๋Š” ๊ฒƒ์„ ํ™•์ธํ•˜์˜€๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ ์–ป์–ด์ง„ ์ฃผ์š” ๊ฒฐ๊ณผ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

(1) ๊ธˆํ˜ธ๊ฐ• ํ•˜๋ฅ˜๊ตฌ๊ฐ„์ธ ๋™์ดŒ ์ˆ˜์œ„๊ด€์ธก์†Œ์—์„œ ํ•ฉ๋ฅ˜์ ๊นŒ์ง€ ์ˆ˜๋ฆฌํ•™์  ๋ชจํ˜•์„ ๊ตฌ์ถ•ํ•˜์˜€๋‹ค. ๋ชจํ˜• ๋ณด์ •์„ ์œ„ํ•˜์—ฌ ๊ณต๊ฐ„์ ์œผ๋กœ 5๊ฐœ ๊ตฌ๊ฐ„, ์œ ๋Ÿ‰ ๊ทœ๋ชจ๋Š” 6๊ฐœ ๊ตฌ๊ฐ„์œผ๋กœ ๋‚˜๋ˆ„์—ˆ๊ณ , ๊ฐ ๊ณต๊ฐ„-์œ ๋Ÿ‰๊ทœ๋ชจ ๊ตฌ๊ฐ„์—์„œ ์ ์ ˆํ•œ ์กฐ๋„๊ณ„์ˆ˜๋ฅผ ์‹œํ–‰์ฐฉ์˜ค์ ์œผ๋กœ ์„ ์ •ํ•˜์˜€๋‹ค. ๊ธˆํ˜ธ๊ฐ• ์‚ฐ๊ฒฉ ์ง€์ ์˜ ๊ฒฝ์šฐ, ํ•˜๋ฅ˜์— ์œ„์น˜ํ•œ ๋ณด ์šด์˜์˜ ์˜ํ–ฅ์œผ๋กœ ์ €์ˆ˜์œ„ ์žฌํ˜„์ด ๊ณค๋ž€ํ•˜์—ฌ ๋ณด๊ฐ€ ์™„์ „ํžˆ ์ž ์‹๋˜์–ด ์ €ํ•ญ์š”์ธ์˜ ๋ณ€ํ™”๊ฐ€ ์‚ฌ๋ผ์งˆ ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒ๋˜๋Š” ์ฒจ๋‘์ˆ˜์œ„์˜ ์žฌํ˜„์œผ๋กœ ๋ชจํ˜• ๋ณด์ •๊ฒฐ๊ณผ๋ฅผ ํ™•์ธํ•˜์˜€๋‹ค.

(2) ์‹ค์ œ ํ™์ˆ˜์‚ฌ์ƒ์œผ๋กœ ๋ณด์ •๋œ ๋ชจํ˜•์„ ์ด์šฉํ•˜์—ฌ ์‹œ๋‚˜๋ฆฌ์˜ค ๊ธฐ๋ฐ˜์˜ HPG๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค. ๊ธˆํ˜ธ๊ฐ•์˜ ๊ฒฝ์šฐ, ์„ฑ์„œ ์ˆ˜์œ„๊ด€์ธก์†Œ๋Š” ํ•ฉ๋ฅ˜๋ถ€์— ์ธ์ ‘ํ•˜์—ฌ ์ˆ˜๋ฆฌ์  ๊ฑฐ๋™์„ ๋ช…ํ™•ํžˆ ๋ถ„์„ํ•˜๋Š”๋ฐ ํ•œ๊ณ„๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋˜ํ•œ ๋ฏธ๊ณ„์ธก ์ง€์ ์ธ ๋‚™๋™๊ฐ•-๊ธˆํ˜ธ๊ฐ• ํ•ฉ๋ฅ˜์  ์ˆ˜์œ„ ๋Œ€์‹  ํ•ฉ๋ฅ˜์ ์—์„œ 0.887 m ์ƒ๋ฅ˜์˜ ์‹ค์ธก ์ˆ˜์œ„๋ฅผ ์‚ฌ์šฉํ•œ ํ•œ๊ณ„๊ฐ€ ์žˆ๋‹ค. HPG๋ฅผ ์ด์šฉํ•  ๊ฒฝ์šฐ, 1 cm์˜ ์ˆ˜์œ„์˜ค์ฐจ๋„ ์œ ๋Ÿ‰ ์‚ฐ์ •์— ํฌ๊ฒŒ ์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ์ฃผ์˜๊ฐ€ ํ•„์š”ํ•˜๋ฉฐ, ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ํ•ฉ๋ฅ˜์  ์ƒ๋ฅ˜ 3.13 km ์ง€์ ์˜ ์„ธ์ฒœ๊ต ์ˆ˜์œ„์ž๋ฃŒ๋ฅผ ํ™œ์šฉํ•จ์œผ๋กœ์จ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” ์œ ๋Ÿ‰์˜ ์˜ค์ฐจ๋ฅผ ๋ณด์™„ํ•˜์˜€๋‹ค. ์„ธ์ฒœ๊ต ์ง€์  ๋˜ํ•œ ํ•ฉ๋ฅ˜๋ถ€ ๋ฐฐ์ˆ˜์˜ํ–ฅ์„ ํฌ๊ฒŒ ๋ฐ›๋Š” ์ง€์ ์ด์ง€๋งŒ, ์ž‘์„ฑ๋œ HPG๋กœ๋ถ€ํ„ฐ ์ž๋™์œ ๋Ÿ‰์ธก์ • ๊ฒฐ๊ณผ์— ์ค€ํ•˜๋Š” ์œ ๋Ÿ‰์ž๋ฃŒ ์ƒ์‚ฐ์ด ๊ฐ€๋Šฅํ•˜์˜€๋‹ค.

์„ฑ๊ณต์ ์ธ HPG ์ž‘์„ฑ์„ ์œ„ํ•ด์„œ๋Š” ์ ์ ˆํ•œ ๊ตฌ๊ฐ„๊ฑฐ๋ฆฌ ์„ ์ •์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•˜๋‹ค. ๋”ฐ๋ผ์„œ ํ•˜์ƒ๊ฒฝ์‚ฌ๋ฅผ ๋น„๋กฏํ•œ ํ•˜์ฒœ ๋‹จ๋ฉดํ˜•์ƒ๊ณผ ์กฐ๋„๊ณ„์ˆ˜, ๊ทธ๋ฆฌ๊ณ  ์ƒํ•˜๋ฅ˜ ์ˆ˜์œ„ ์ž๋ฃŒ ์ทจ๋“์„ ์œ„ํ•œ ๊ตฌ๊ฐ„ ๊ฑฐ๋ฆฌ ๋“ฑ์ด HPG๋ฅผ ์ด์šฉํ•œ ์œ ๋Ÿ‰์‚ฐ์ •์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ๋ถ„์„ํ•˜์—ฌ์•ผ ํ•œ๋‹ค. ๋˜ํ•œ ๋ฐฐ์ˆ˜์˜ํ–ฅ์œผ๋กœ ๋‹จ์ผ ์ˆ˜์œ„-์œ ๋Ÿ‰๊ด€๊ณ„ ์„ค์ •์ด ๊ณค๋ž€ํ•œ ์ˆ˜์œ„๊ด€์ธก์†Œ๋ฅผ ๋Œ€์ƒ์œผ๋กœ ๋ณด๋‹ค ๋งŽ์€ ์ ์šฉ๋„ ํ•„์š”ํ•˜๋‹ค. ์ง€์†์ ์ธ ์—ฐ๊ตฌ์™€ ๊ฒฝํ—˜์ด ์ถ•์ ๋œ๋‹ค๋ฉด, ๊ณ ๋ฆฌํ˜• ์ˆ˜์œ„-์œ ๋Ÿ‰ ๊ด€๊ณ„๊ณก์„ ์ด ๋ถˆ๊ฐ€ํ”ผํ•œ ๋ฐฐ์ˆ˜์˜ํ–ฅ ๊ตฌ๊ฐ„์—์„œ ์œ ๋Ÿ‰์„ ์‚ฐ์ •ํ•  ๋•Œ, HPG๊ฐ€ ๊ฒฝ์ œ์ ์ด๊ณ  ์‹ค์šฉ์ ์ธ ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์œผ๋กœ ๊ธฐ๋Œ€๋œ๋‹ค.

Acknowledgements

๋ณธ ์—ฐ๊ตฌ๋Š” ํ™˜๊ฒฝ๋ถ€ ๋ฌผ๊ด€๋ฆฌ์—ฐ๊ตฌ์‚ฌ์—…์˜ ์—ฐ๊ตฌ๋น„์ง€์›(18AWMP- B127568-02)์— ์˜ํ•ด ์ˆ˜ํ–‰๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

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