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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of Soil and Groundwater Environment
Journal Basic Information
Journal DOI :
Korean Society of Soil and Groundwater Environment
Editor in Chief :
Volume & Issues
Volume 17, Issue 6 - Dec 2012
Volume 17, Issue 5 - Oct 2012
Volume 17, Issue 4 - Aug 2012
Volume 17, Issue 3 - Jun 2012
Volume 17, Issue 2 - Apr 2012
Volume 17, Issue 1 - Feb 2012
Selecting the target year
A Study on Efficient Improvement Method of Rainwater Utilization Facilities in Jeju Island
Park, Won-Bae ; Moon, Deok-Cheol ; Koh, Gi Won ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 1~8
DOI : 10.7857/JSGE.2012.17.6.001
This study is to suggest a few efficient ways of rainwater utilization, through monitoring and analyzing 143 rainwater storage systems and 110 artificial recharge systems, which are installed in the recommended facilities by law, among the rainwater harvesting systems in Jeju Island. In the case that catchment facilities are damaged, rainwater could be contaminated by leaves and debris so that the rates of rainwater usages come to be lower. It is possible that contaminated rainwater could contaminate artificial recharge wells or rainwater discharging out of the rainwater harvesting system could result in flood and damage for the downgradient area. For maintaining high quality of rainwater and increasing rainwater utilization rate, it is necessary to install screening facilities and purification plant functioning precipitation and filtration. Also, in order to efficiently preclude the overflowing rainwater exceeding storage capacity, it is recommended to associate rainwater storage tanks with artificial recharge well or infiltration trench facilities.
Status and Implications of Regulatory Frameworks for Environmental Management of Geologic CO
Storage in USA and EU
Jang, Eunseon ; Yun, Seong-Taek ; Choi, Byoung-Young ; Chung, David ; Kang, Hun ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 9~22
DOI : 10.7857/JSGE.2012.17.6.009
Though geologic storage of
(GS) is considered as an attractive technological option to enormously reduce greenhouse gases emission into the atmosphere, many concerns on potential environmental and health risks associated with
leakage have been raised. In particular, groundwater contamination due to the brine displacement by a pressure build-up and the acidification by leaked
is paid a special attention. Therefore, integrated regulatory frameworks have been established by law in many countries to secure the permanent containment of injected
. Regulatory frameworks deal with entire processes of GS, including site selection, monitoring and post-closure environmental management. This review paper provides a summary of regulatory frameworks in USA (U.S. EPA Geologic Sequestration Rule) and EU (Geologic
Sequestration Directive). The regulatory framework to properly address environmental issues should be established for the deployment of CCS projects in Korea.
Monitoring of Geothermal Systems Wells and Surrounding Area using Molecular Biological Methods for Microbial Species
Ahn, Chang-Min ; Han, Ji-Sun ; Kim, Chang-Gyun ; Park, Yu-Chul ; Mok, Jong-Koo ; Jang, Bum-Ju ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 23~32
DOI : 10.7857/JSGE.2012.17.6.023
This study was conducted to monitor microbial species dynamics within the aquifer due to long term operation of geothermal heat pump system. The species were identified by molecular biological methods of 16S rDNA. Groundwater sample was collected from both open (S region) and closed geothermal recovery system (J region) along with the control. J measured and control as well as S measured found Ralstonia pickettii as dominant species at year 2010. In contrast, Rhodoferax ferrireducens was dominantly observed for the control of S. In 2011, Sediminibacterium sp. was universely identified as the dominant species regardless of the monitoring places and type of sample, i.e., measured or control. The difference in the dynamics between the measured and the control was not critically observed, but annual variation was more strikingly found. It reveals that possible environmental changes (e.g. ORP and DO) due to the operation of geothermal heat recovery system in aquifer could be more exceedingly preceded to differentiate annual variation of microbial species rather than positional differences.
A Study of Interference Factor of Analysis Method of Hexavalent Chromium in Soil using UV/VIS Spectrometry and Application of Ion Chromatography
Noh, Hoe-Jung ; Lee, Myung-Gyu ; Lee, Hyeon Seok ; Kim, Mira ; Kim, Dongho ; Kim, Tae Seung ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 33~42
DOI : 10.7857/JSGE.2012.17.6.033
This study was performed to find the problems according to interference factors (organic matter, pH, Cr, Mn, Fe, clay, and etc.) when we analyzed the hexavalent chromium [Cr(VI)] in soils using UV/VIS spectrometer (US EPA 7196A), attempted to evaluate the domestic applicability of analytical method (US EPA 7199) using IC-UV/VIS spectrometer as alternative method. The recovery rate of certified reference materials was 75.0% (US EPA 7196A) and 101.4% (US EPA 7199) by the analytical methods. As the results of performing QA/QC about US EPA 7199, method detection limit (MDL) and limit of quantification (LOQ) were 0.062 mg/kg, 0.196 mg/kg, respectively. The LOQ of US EPA 7199 was lower than that of the current soil official testing method in Korea (0.5 mg/kg). Cr(VI) contents in 23 soil samples were compared by the analytical methods of EPA 7196A and 7199. Cr(VI) was detected in 13 of 23 soil samples by EPA 7196A, while EPA 7199 was not detected in any soil samples. The Cr(VI) content in 23 soil samples by EPA 7196A was not clearly correlated with Cr, Fe, Mn and clay content in the soil samples. However, the contents of Cr(VI) and organic matter of the soil samples had the highest coefficient of determination (
) of 0.80. In order to evaluate the correlation between the recovery rates of Cr(VI) and organic matter contents in the soil samples, the recovery rates of 5 soil samples added Cr(VI) standard solution were analyzed by the analytical methods. According to the results, the higher the organic matter contents in soil samples, the lower the recovery rates of Cr(VI) by US EPA 7196, while in case of US EPA 7199, the recovery rates were stable regardless of the organic matter contents.
Degradation of TCE by Persulfate Oxidation with Various Activation Methods (heat, Fe
, and UV) for ex-situ Chemical Oxidation Processes
Kim, Han-Sol ; Do, Si-Hyun ; Park, Ki-Man ; Jo, Young-Hoon ; Kong, Sung-Ho ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 43~51
DOI : 10.7857/JSGE.2012.17.6.043
Rreactivity of persulfate (PS) for oxidation of TCE under various conditions such as heat,
, and UV was investigated. It was found that degradation rate of TCE increased with increasing temperature from 15 to
. At pH 7.0, the rate constants (k) at 15, 25, 30, and
were 0.07, 0.30, 0.74, and
, respectively. For activation by
, removal efficiency of TCE increased with increasing
concentration from 1.9 mM to 11 mM. The maximum removal efficiency of TCE was approximately 85% when pH of the solution dropped from 7.0 to 2.5. Degradation of TCE by UV-activated PS was the most effective, showing that the degradation rate of TCE increased with inreasing PS dosage; the rate constants (k) at 0.5, 2.5, and 10 mM were 34.2, 40.5, and
, respectively. Our results suggest that PS activation by UV/PS process could be the most effective in activation processes tested for TCE degradation. For oxidation process by PS, however, pH should be observed and adjusted to neutral conditions (i.e., 5.8-8.5) if necessary.
Decrease in the Thickness of Capillary Fringe Induced by Surface Active Chemicals in the Groundwater
Kim, Heonki ; Shin, Seungyup ; Yang, Haewon ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 52~58
DOI : 10.7857/JSGE.2012.17.6.052
Capillary fringe divides the groundwater and the vadose zone controlling the diffusive mass transfer of contaminants and gases. The thickness of capillary fringe is of great importance for the rate of contaminant mass transfer across the capillary fringe. Application of surface active chemicals including surfactants and alcohol-based products into the subsurface environment changes the surface tension of the aqueous phase, which in turn, affects the thickness of the capillary fringe. In this study, a bench-scale model was used to assess the quantitative relationship between the surface tension and the thickness of the capillary fringe. An anionic surfactant (Sodium dodecylbenzene sulfonate, SDBS) and an aqueous solution of ethanol were used to control the surface tension of the groundwater. It was found that the thickness of the capillary fringe is directly proportional to the surface tension. The air entry pressures measured by the Tempe Pressure Cell at different surface tensions using SDBS (200 mg/L) and ethanol (20%, v/v) solutions were in good agreement with the thicknesses of the capillary fringe measured by the model. A simple method to correct the conventional Brooks-Corey model for estimating the air entry pressure was also presented.
Potential Application of Environmental Tracer in Hydrogeochemistry Using Sorption Properties
Choung, Sungwook ; Chang, Seeun ; Kim, Minkyung ; Kim, Sungpyo ; Um, Wooyong ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 59~68
DOI : 10.7857/JSGE.2012.17.6.059
This study provided sorption properties of chlorofluorocarbons (CFCs), and elucidated potential application of CFC sorption data in hydrogeochemistry. Prior sorption studies were reviewed for hydrophobic organic compounds similar to the CFCs, because there were only few CFC sorption studies. The CFCs are regarded as relatively conservative chemicals in groundwater environments based on their moderate hydrophobicity. However, thermally altered carbonaceous matter (TACM) can significantly increase sorption capacity and nonlinearity for hydrophobic organic compounds such as CFCs, compared to general soil organic matter. CFC sorption behavior are close to the sorption for reviewed organic chemicals. Therefore, the CFC sorption data can be used for determining hydrogeochemical properties and predicting transport of organic contaminants in TACM-containing aquifer environments.
Evaluation of Geostatistical Approaches for better Estimation of Polluted Soil Volume with Uncertainty Evaluation
Kim, Ho-Rim ; Kim, Kyoung-Ho ; Yun, Seong-Taek ; Hwang, Sang-Il ; Kim, Hyeong-Don ; Lee, Gun-Taek ; Kim, Young-Ju ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 69~81
DOI : 10.7857/JSGE.2012.17.6.069
Diverse geostatistical tools such as kriging have been used to estimate the volume and spatial coverage of contaminated soil needed for remediation. However, many approaches frequently yield estimation errors, due to inherent geostatistical uncertainties. Such errors may yield over- or under-estimation of the amounts of polluted soils, which cause an over-estimation of remediation cost as well as an incomplete clean-up of a contaminated land. Therefore, it is very important to use a better estimation tool considering uncertainties arising from incomplete field investigation (i.e., contamination survey) and mathematical spatial estimation. In the current work, as better estimation tools we propose stochastic simulation approaches which allow the remediation volume to be assessed more accurately along with uncertainty estimation. To test the efficiency of proposed methods, heavy metals (esp., Pb) contaminated soil of a shooting range area was selected. In addition, we suggest a quantitative method to delineate the confident interval of estimated volume (and spatial extent) of polluted soil based on the spatial aspect of uncertainty. The methods proposed in this work can improve a better decision making on soil remediation.
Heavy Metal Effects on the Biodegradation of Fluorene by Sphingobacterium sp. KM-02 in liquid medium
Nam, In-Hyun ; Kim, Jae-Gon ; Chon, Chul-Min ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 82~91
DOI : 10.7857/JSGE.2012.17.6.082
The heavy metal effects on the degradation of fluorene by Sphingobacterium sp. KM-02 was determined in liquid cultures. The results showed that 10 mg/L cadmium, copper, zinc, and lead not only affected the growth of KM-02 with fluorene but also the ability of growing or resting cells to degrade this compound. Growth and fluorene degradation were strongly inhibited by cadmium and copper at 10 mg/L, while the inhibitory effect of zinc and lead at the same concentration or at 100 mg/L were not significant. In contrast, arsenic did not affect degradation or growth, even at very high concentrations of 100 mg/L. Subsequent analyses additionally revealed that concentrations of arsenic remained unchanged following incubation, while those of cadmium and copper decreased significantly.
A Study on the Development of Soil Neutrailizing-agent using Waste Materials (Waste-lime, Oyster, Bottom-ash)
Oh, SeungJin ; Cho, Mihyeon ; Park, Chan-O ; Jung, Moon-Ho ; Lee, Jai-Young ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 92~101
DOI : 10.7857/JSGE.2012.17.6.101
Korea shows the soil pH is 5.8 ~ 6.2 by many factors including the geological structure and climate condition. There is known as the cause for soil acidification by weathering of the mineral, excessive use of the chemical fertilizer, and extensively diffused acid rain. The purpose of research is environmentally-friendly material neutralization technology development utilizing the waste resources against by acid soil. The experiment analyze the physico-chemical property of the acid soil and waste resource materials (waste lime, oyster shell, bottom ash). The Batch-Test was performed under 3 stage. As a result, the acid soil showed up acid soil about 3.19. And waste lime, oyster, bottom ash showed the alkalinity with 9.62, 10.08, 9.17. In case of 1 batch-test experimental result, waste lime and oyster shell, the alkalinity was shown over 7.5 and the good efficiency was showed, on the other hands, the bottom ash showed the pH 4 the neutralization efficiency which is low. waste resource materials to be applied to 2 steps was chosen as the waste lime except the bottom ash and oyster. In 2 step batch-test experiment, it was exposed to be the most appropriate in case of doing the combination ratio of the waste lime and oyster shell with 9 : 1. It was exposed to be efficient most in the effeciency and aspect of economical efficiency combination ratio of the soil and materials was 9.6 : 0.6 with 3 step batch-test experimental result.
Settling and Filtering Process for the Treatment of Fine Suspended Solids and Soluble Heavy Metals in H Mine Drainage
Oh, Minah ; Kim, WonKi ; Kim, DukMin ; Lee, SangHoon ; Lee, Jai-Young ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 102~111
DOI : 10.7857/JSGE.2012.17.6.102
Fine suspended solids generated effluence from treatment process of mine drainage could destroy environment as the aesthetic landscapes, and depreciate water quality. Therefore, the purpose of this research is focused on process development applied the actual field for controlling fine suspended solids and heavy metals, and so lab-scale test was performed for inducement of basic data. The mine drainage used in this research was sampled in H mine located Jeongseon-gun, Gangwon-do. Concentration of suspended solid, arsenic, iron and manganese was exceeded the standard of contaminant limitation for the clean water, and particle size of suspended solid was less than 10 m as fine particle. Although hydraulic retention time of mine drainage for effective settling was required more than 6 hours, hydraulic retention time would be increased in winter season when the settling efficiency could be reduced because of viscosity decreasing. Moreover, installed inclination plate helped to increase settling efficiency of suspended solid about 48 %. Filtering media that was the most effective removal of suspended solids and heavy metal was decided granular activated carbon of 1~2 mm was the optimal size.
Feasibility Tests for Treating Fine Suspended Solids from Mining Drainage, using Various Media by Column Methods - A Case from H Coal Mine
Lee, Sanghoon ; Kwon, HyukHyun ; Oh, Minah ; Lee, Jai-Young ; Kim, DukMin ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 112~118
DOI : 10.7857/JSGE.2012.17.6.112
Fine suspended solids from mine drainage draw attentions due to their potential adverse influences on the water quality, such as increasing turbidity and degrading aesthetic landscape. Currently, sand filter beds are adapted in some mine drainage treating systems. However, more efficient system is in demand, as the existing sand beds reveal some problems, such as frequent maintenance intervals. Various filtering mediums including fly ash, mine tailing aggregates and the sand were tested for improving the current system, using column experimental set-up. Mine drainage samples were collected from the current treating systems in the abandoned H coal mine. The experiment was run for 7 days. Suspended solids recorded as 100.9 mg/L and the value exceeds the current standard, 30 mg/L. Sand was proved to still be the optimum medium for the fine suspended solids, compared to fly ash and fly ash + sand. Mine tailing aggregates were placed at the exit of the columns, substituting gravels. The tailing aggregates is made by mine tailings and clay. Sand bed filters can also be improved by mixing granular activated carbon, which was found to be economical and efficient in the batch experiment, conducted at the same time.
Assessment of Soil Loss at Military Shooting Range by RUSLE Model: Correlation Between Soil Loss and Migration of Explosive Compounds
Gong, Hyo-Young ; Lee, Kwang-Pyo ; Lee, Jong-Yeol ; Kim, Bumjoon ; Lee, Ahreum ; Bae, Bumhan ; Kim, Ji-Yeon ;
Journal of Soil and Groundwater Environment, volume 17, issue 6, 2012, Pages 119~128
DOI : 10.7857/JSGE.2012.17.6.119
The applicability and accuracy of Revised Universal Soil Loss Equation (RUSLE) model on the estimation of soil loss at impacted area of shooting range was tested to further the understanding of soil erosion at shooting ranges by using RUSLE. At a shooting range located in northern Kyunggi, the amount of soil loss was estimated by RUSLE model and compared with that estimated by Global Positioning System-Total Station survey. As results, the annual soil loss at a study site (202 m long by 79 m wide) was estimated to be 2,915 ton/ha/year by RUSLE and 3,058 ton/ha/year by GPS-TS survey, respectively. The error between two different estimations was less than 5%, however, information on site conditions should be collected more to adjust model coefficients accurately. At the study shooting range, sediments generated by rainfall was transported from the top to near the bottom of the sloping face through sheet erosion as well as rill erosion, forming a gully along the direction of the storm water flow. Coarser fractions of the sediments were redeposited in the limited area along the channel. Distribution characteristics of explosive compounds in soil before and after summer monsoon rainfall in the study area were compared with the erosion patterns. Soil sampling and analyses results showed that the dispersion of explosive compounds in surface soil was consistent with the characteristics of soil erosion and redeposition pattern of sediment movements after rainfalls.