Assessment of marine pollution in sediment on the coastal zone

Makaleler > Tam Makale · 2026

Yazarlar: Esra ÖZTÜRK YİĞİT, Nurdan AKAKÇE, Nevra ÖZTÜRK ATAY, Berkay CAMGÖZ, İnci TÜNEY KIZILKAYA

JOURNAL OF SEDIMENTARY ENVIRONMENTS, ESCI İndekslerine Giren Dergi, Uluslararası, Wos, 2026, cilt 11, ss 1-15

DOI: 10.1007/s43217-026-00332-2

Özet

<p>Marine&nbsp;sediment&nbsp;pollution&nbsp;is&nbsp;commonly&nbsp;evaluated&nbsp;through&nbsp;radionuclide&nbsp;activity&nbsp;concentrations&nbsp;and&nbsp;trace&nbsp;element&nbsp;distributions,&nbsp;as&nbsp;these&nbsp;parameters&nbsp;provide&nbsp;valuable&nbsp;information&nbsp;on&nbsp;environmental&nbsp;quality,&nbsp;ecological&nbsp;risk,&nbsp;and&nbsp;anthropogenic&nbsp;influences.&nbsp;The&nbsp;present&nbsp;study&nbsp;quantified&nbsp;the&nbsp;activity&nbsp;concentrations&nbsp;of&nbsp;naturally&nbsp;occurring&nbsp;radionuclides&nbsp;(232Th,&nbsp;238U,&nbsp;and&nbsp;40K),&nbsp;with&nbsp;mean&nbsp;values&nbsp;of&nbsp;48.22,&nbsp;32.26,&nbsp;and&nbsp;436.58&nbsp;Bq&nbsp;kg⁻¹,&nbsp;respectively,&nbsp;and&nbsp;investigated&nbsp;the&nbsp;accumulation&nbsp;characteristics&nbsp;of&nbsp;potentially&nbsp;toxic&nbsp;trace&nbsp;elements&nbsp;in&nbsp;coastal&nbsp;sediments.&nbsp;Concentrations&nbsp;of&nbsp;Al,&nbsp;Ba,&nbsp;Cr,&nbsp;Cu,&nbsp;Fe,&nbsp;K,&nbsp;Mg,&nbsp;Mn,&nbsp;Ni,&nbsp;Rb,&nbsp;S,&nbsp;Sr,&nbsp;Zn,&nbsp;and&nbsp;Zr&nbsp;were&nbsp;determined&nbsp;to&nbsp;identify&nbsp;possible&nbsp;pollution&nbsp;sources&nbsp;and&nbsp;evaluate&nbsp;the&nbsp;impact&nbsp;of&nbsp;industrial&nbsp;and&nbsp;urban&nbsp;activities.&nbsp;To&nbsp;assess&nbsp;sediment&nbsp;quality&nbsp;and&nbsp;potential&nbsp;environmental&nbsp;impacts,&nbsp;contamination&nbsp;factor&nbsp;(CF),&nbsp;ecological&nbsp;risk&nbsp;index&nbsp;(ERI),&nbsp;and&nbsp;metal&nbsp;contamination&nbsp;index&nbsp;(MCI)&nbsp;were&nbsp;calculated.&nbsp;The&nbsp;CF&nbsp;results&nbsp;indicated&nbsp;varying&nbsp;degrees&nbsp;of&nbsp;metal&nbsp;enrichment,&nbsp;particularly&nbsp;for&nbsp;Cr,&nbsp;suggesting&nbsp;localized&nbsp;anthropogenic&nbsp;inputs.&nbsp;The&nbsp;ERI&nbsp;values&nbsp;ranged&nbsp;from&nbsp;1.9&nbsp;to&nbsp;40.3,&nbsp;indicating&nbsp;a&nbsp;low&nbsp;ecological&nbsp;risk&nbsp;level&nbsp;for&nbsp;the&nbsp;investigated&nbsp;sediments.&nbsp;In&nbsp;contrast,&nbsp;MCI&nbsp;values&nbsp;varied&nbsp;between&nbsp;633&nbsp;and&nbsp;1495,&nbsp;reflecting&nbsp;substantial&nbsp;differences&nbsp;in&nbsp;overall&nbsp;metal&nbsp;contamination&nbsp;among&nbsp;sampling&nbsp;sites.&nbsp;Spatial&nbsp;variations&nbsp;in&nbsp;trace&nbsp;element&nbsp;concentrations&nbsp;and&nbsp;pollution&nbsp;indices&nbsp;revealed&nbsp;the&nbsp;influence&nbsp;of&nbsp;industrial&nbsp;discharges,&nbsp;urban&nbsp;development,&nbsp;maritime&nbsp;activities,&nbsp;and&nbsp;other&nbsp;human-induced&nbsp;pressures.&nbsp;These&nbsp;findings&nbsp;demonstrate&nbsp;the&nbsp;importance&nbsp;of&nbsp;integrated&nbsp;monitoring&nbsp;of&nbsp;radionuclides&nbsp;and&nbsp;trace&nbsp;metals&nbsp;for&nbsp;evaluating&nbsp;sediment&nbsp;quality&nbsp;and&nbsp;supporting&nbsp;sustainable&nbsp;management&nbsp;of&nbsp;coastal&nbsp;marine&nbsp;ecosystems&nbsp;in&nbsp;the&nbsp;Western&nbsp;Black&nbsp;Sea,&nbsp;Marmara&nbsp;Sea,&nbsp;and&nbsp;Aegean&nbsp;Sea.</p>

Detay görüntüle