Modeling of Floating Time Domain Electromagnetic Method to Detect Dissolved Sediment

Southeast Asian Conference on Geophysics

Nurjanah, Siti^1 ; Widodo^2

Undergraduate Program of Geophysical Engineering, Institut Teknologi Bandung, Indonesia^1

Applied Geophysics and Exploration Research Group, Institut Teknologi Bandung, Indonesia^2

关键词: Chemical weathering process;    Environmental conditions;    floating loop;    Innovation measurements;    Inorganic and organic materials;    Marquardt algorithm;    Time domain electromagnetic methods;    Time domain electromagnetics;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/62/1/012044/pdf
DOI  :  10.1088/1755-1315/62/1/012044

来源: IOP

【 摘 要 】

In hydrology context, sediment can be interpreted as inorganic and organic material that is transported by, suspended in, or deposited by streams. It is important to know the function of soil, stream discharge, land-cover features, weather conditions and land-use activities. Sediment load carried by streams and rivers can be composed either of fine materials, mostly silts, and clays, or coarse materials such as sand. One product of sediment is dissolved load consists of indistinct material in solution moving downstream. It is produced by chemical weathering processes and does not move out of the water. To investigate the dissolved sediment, we have applied the floating of Time Domain Electromagnetic (TDEM) method. The acquisition of TDEM data has been performed use tires and small ship as innovation measurements. The calculated data model using Occam and Marquardt Algorithms. The responses of data show the sedimentation has less resistive compare the surrounding structures. This innovation is very helpful to know the environmental condition, especially in the water.