Assessment of spatial and temporal changes in heavy metals loading in the Chao Phraya River Basin, Thailand | |
| Author | Thanyachanok Onkong |
| Call Number | AIT Thesis no.EV-18-32 |
| Subject(s) | Heavy metals--Physiological effect--Thailand--Chao Phraya River Sediment control--Thailand--Chao Phraya River Heavy metals--Environmental aspects |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Environmental Engineering and Management |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. EV-18-32 |
| Abstract | Heavy metals discharged in the water bodies can either accumulate in the food chains or deposit into the sediment. Since the deposited heavy metals are difficult to be eliminated naturally, river sediment cores usually archive the information linking to the historical emission and contamination caused by anthropogenic activities.The sediment core sample was collected in the Lower part of Chao Phraya watershed to analyze concentration and distribution of heavy metal, there are As Cd Cr Cu Hg Pb Zn and Ni.Pb isotope ratio 208/206Pb and 207/206Pb were analyzed by inductively Coupled Plasma Mass Spectrometry (ICP-MS). The highest ranking of potential pollutant evaluation of As Cd Cr Cu Hg Pb Zn and Ni content was found from samples that were located inThachin 1 has AsCd Pband Zn highest concentration Chao Phraya 1 is the located has highest Cr Cu and Hg concentrationand Pasak 2 has highest Ni concentration.Pb isotope ratio(208/206Pb = 1.781-2.298 and 207/206Pb = 0.742-0.872)in the sediment core from the lower part of Chao Phraya water shed.Thachin 2 and Sakae Krang 1 the pollution come from natural source. Pasak 2 has 2 possible sources Coal and Us gasoline. Chao Phraya1 possible from US gasoline and natural sauces and Sakea Krang 2 and Pasak 1 cannot identify. |
| Year | 2018 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. EV-18-32 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering and Management (EV) |
| Chairperson(s) | Thammarat Koottatep; |
| Examination Committee(s) | Shrestha, Rajendra P.;Shipin, Oleg V.;Xue, Wenchao; |
| Scholarship Donor(s) | Royal Thai Government;AIT Fellowship; |
| Degree | Thesis (M. Sc.) - Asian Institute of Technology, 2018 |