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Journal articles on the topic 'Geo-Engineering in lake'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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1

Jian, Wen Bin, and Run Li. "Geological Disasters Induced by Wenchuan Earthquake and Site Selection for Post-Earthquake Reconstruction." Advanced Materials Research 250-253 (May 2011): 1256–61. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1256.

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Based on the field investigation for secondary geological hazards induced by 5.12 Wenchuan Earthquake, the types of geological disasters during or after earthquake are analyzed in this paper. The main secondary geological hazards are rock fall and collapse, landslide, debris flow, dammed lake，sand liquefaction and so on. The development and distribution rules of secondary geo-hazards, with a long-term sustainability and a formation of hazard chains, are of relation with earthquake fault zone, and consistent with seismic intensity. The buildings located in secondary geo-hazards areas with a hig
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2

WIRTH, STEFANIE B., STÉPHANIE GIRARDCLOS, CHRISTIAN RELLSTAB, and FLAVIO S. ANSELMETTI. "The sedimentary response to a pioneer geo-engineering project: Tracking the Kander River deviation in the sediments of Lake Thun (Switzerland)." Sedimentology 58, no. 7 (2011): 1737–61. http://dx.doi.org/10.1111/j.1365-3091.2011.01237.x.

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3

Paluszkiewicz, Ryszard, and Renata Paluszkiewicz. "Lithofacies-genetic characteristics of sedimentary basins in the foreland of the Pomeranian Stage in the Drawsko Lakeland (northern Poland)." Quaestiones Geographicae 30, no. 3 (2011): 61–69. http://dx.doi.org/10.2478/v10117-011-0027-8.

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Lithofacies-genetic characteristics of sedimentary basins in the foreland of the Pomeranian Stage in the Drawsko Lakeland (northern Poland) The research carried out in the years 1995-98 in the area of the Złocieniec proglacial lake inclined its authors to take a broader view of the operation of proglacial basins in the Drawsko Lakeland (Paluszkiewicz 2004). Glaciolacustrine deposits in the studied lakeland area were discovered by Maksiak and Mróz in 1978. Until that time, the varved deposits at Złocieniec had not been subjected to lithological analysis. The more detailed studies conducted by t
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4

Spears, Bryan M., Stephen C. Maberly, Gang Pan, et al. "Geo-Engineering in Lakes: A Crisis of Confidence?" Environmental Science & Technology 48, no. 17 (2014): 9977–79. http://dx.doi.org/10.1021/es5036267.

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5

Spears, Bryan M., Bernard Dudley, Kasper Reitzel, and Emil Rydin. "Geo-Engineering in Lakes—A Call for Consensus." Environmental Science & Technology 47, no. 9 (2013): 3953–54. http://dx.doi.org/10.1021/es401363w.

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6

Pan, Gang, Xiaojun Miao, Lei Bi, et al. "Modified Local Soil (MLS) Technology for Harmful Algal Bloom Control, Sediment Remediation, and Ecological Restoration." Water 11, no. 6 (2019): 1123. http://dx.doi.org/10.3390/w11061123.

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Harmful algal blooms (HABs), eutrophication, and internal pollutant sources from sediment, represent serious problems for public health, water quality, and ecological restoration worldwide. Previous studies have indicated that Modified Local Soil (MLS) technology is an efficient and cost-effective method to flocculate the HABs from water and settle them onto sediment. Additionally, MLS capping treatment can reduce the resuspension of algae flocs from the sediment, and convert the algal cells, along with any excessive nutrients in-situ into fertilisers for the restoration of submerged macrophyt
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7

Lürling, Miquel, Eleanor Mackay, Kasper Reitzel, and Bryan M. Spears. "Editorial – A critical perspective on geo-engineering for eutrophication management in lakes." Water Research 97 (June 2016): 1–10. http://dx.doi.org/10.1016/j.watres.2016.03.035.

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8

Dinis, Faustino, Hongyan Liu, Qingdong Liu, Xuewen Wang, and Meng Xu. "Ecological Risk Assessment of Cadmium in Karst Lake Sediments Based on Daphnia pulex Ecotoxicology." Minerals 11, no. 6 (2021): 650. http://dx.doi.org/10.3390/min11060650.

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The background value of cadmium (Cd) in soil and water sediments in the karst area is 0.31 mg kg−1, with a typical high background of cadmium geochemistry. It is well-known that Cd is classified as a highly toxic metal. Therefore, at the Yelang reservoir in Guizhou province, eco-toxicological tests were carried out using Daphnia pulex. The Geo-Accumulation Index and Potential Ecological Risk Index were used to assess the environmental risk of Cd in sediments. The Cd contents in the sediments of Yelang reservoir ranged from 2.51 to 5.23 mg kg−1, while the LC50 values of the acute toxicity test
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9

Marín, Julio, Marinela Colina, Hilda Ledo, and P. H. E. Gardiner. "Ecological risk by potentially toxic elements in surface sediments of the Lake Maracaibo (Venezuela)." Environmental Engineering Research 27, no. 4 (2021): 210232–0. http://dx.doi.org/10.4491/eer.2021.232.

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The evaluation of potential ecological risk of aquatic sediments associated with the presence of potentially toxic elements (PTE) determines its degree of danger on native biota. In this work, the potential ecological risk of V, Ti, Cr, Ni, Cu, Zn, As, Se, Cd, Sn, Hg and Pb in superficial sediments is explained in three different areas of Lake Maracaibo: El Tablazo Bay, Strait of Maracaibo and the lake itself, through a multi-guideline approach (elemental enrichment (enrichment factor, contamination degree, pollutant load index and geo-accumulation index), sediment quality guidelines and risk
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10

Feng, Yan, Liu Chenglin, and Wei Bowen. "Evaluation of heavy metal pollution in the sediment of Poyang Lake based on stochastic geo-accumulation model (SGM)." Science of The Total Environment 659 (April 2019): 1–6. http://dx.doi.org/10.1016/j.scitotenv.2018.12.311.

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11

McCallum, D. W., and K. J. Hall. "Limitations of sediment quality surveys: a case study of an urban watershed in British Columbia, Canada." Water Science and Technology 38, no. 11 (1998): 201–8. http://dx.doi.org/10.2166/wst.1998.0469.

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This case study of a 7200 ha. urban watershed illustrates the challenges involved in using sediment quality surveys to determine pollutant sources and trends. Trace metal and chlorinated hydrocarbon analyses were performed on sediment samples obtained from 33 stream, 24 street, and 1 lake (sediment core) locations. The stream and street sediment survey was initially conducted in 1973 and repeated in 1993. Consistent results across all sediment media indicate significant reductions in Pb, PCB, and DDT levels have occurred since the 1970's as a result of source controls. While streambed results
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12

Xin-Qiang, Liang, Zhang Hui-fang, He Miao-Miao, Zhu Chun-Yan, and Wang Fei-er. "A simple approach to assess N load capacity of rice paddy fields in the southern Taihu Lake watershed." Water Science and Technology 74, no. 5 (2016): 1096–105. http://dx.doi.org/10.2166/wst.2016.292.

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High nitrogen (N) leaching from irrigated agricultural soils is the result of N input exceeding soil N load capacity (NLC). A simple approach was developed in this research to assess the NLC of paddy soils in the southern Taihu Lake watershed. Paddy soils were classified into four types (Submergenic, Illuvium, Gleyed, and Percogenic) and 28 soil samples representing all four types were collected from across the region. The NLC values of the paddy soils were assessed using a split-line model and the spatial variability of the NLC among various rice paddy soils in the region was also evaluated w
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13

Zahra, Azmat, Muhammad Zaffar Hashmi, Riffat Naseem Malik, and Zulkifl Ahmed. "Enrichment and geo-accumulation of heavy metals and risk assessment of sediments of the Kurang Nallah—Feeding tributary of the Rawal Lake Reservoir, Pakistan." Science of The Total Environment 470-471 (February 2014): 925–33. http://dx.doi.org/10.1016/j.scitotenv.2013.10.017.

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14

Salam, Mohammad Abdus, Mohammad Ashraful Alam, Sulav Indra Paul, et al. "Assessment of Heavy Metals in the Sediments of Chalan Beel Wetland Area in Bangladesh." Processes 9, no. 3 (2021): 410. http://dx.doi.org/10.3390/pr9030410.

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This study aimed to determine the levels and possible sources of heavy metals (HMs) in the sediments of Chalan beel (a large lake-like aquatic ecosystem) area located in the northwestern part of Bangladesh. The mean concentrations (mg kg−1) of two HMs, Cd (6.22) and Pb (51.39) exceeded the world normal averages (WNA), whereas the mean concentrations (mg kg−1) of Ni (60.46), Zn (10.75), Mn (8.64) and Cu (4.71) were below the WNA. The sediments showed significant enrichment with Cd, Pb and Ni in the studied area. The geo-accumulation index values of Cd (3.72) and Pb (0.76) were significantly hig
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15

Dubrovinskaya, Elizaveta, Veronika Kebkal, Oleksiy Kebkal, Konstantin Kebkal, and Paolo Casari. "Underwater Localization via Wideband Direction-of-Arrival Estimation Using Acoustic Arrays of Arbitrary Shape." Sensors 20, no. 14 (2020): 3862. http://dx.doi.org/10.3390/s20143862.

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Underwater sensing and remote telemetry tasks necessitate the accurate geo-location of sensor data series, which often requires underwater acoustic arrays. These are ensembles of hydrophones that can be jointly operated in order to, e.g., direct acoustic energy towards a given direction, or to estimate the direction of arrival of a desired signal. When the available equipment does not provide the required level of accuracy, it may be convenient to merge multiple transceivers into a larger acoustic array, in order to achieve better processing performance. In this paper, we name such a structure
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16

Yakubu, Bashir Ishaku, Shua’ib Musa Hassan, and Sallau Osisiemo Asiribo. "AN ASSESSMENT OF SPATIAL VARIATION OF LAND SURFACE CHARACTERISTICS OF MINNA, NIGER STATE NIGERIA FOR SUSTAINABLE URBANIZATION USING GEOSPATIAL TECHNIQUES." Geosfera Indonesia 3, no. 2 (2018): 27. http://dx.doi.org/10.19184/geosi.v3i2.7934.

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Rapid urbanization rates impact significantly on the nature of Land Cover patterns of the environment, which has been evident in the depletion of vegetal reserves and in general modifying the human climatic systems (Henderson, et al., 2017; Kumar, Masago, Mishra, & Fukushi, 2018; Luo and Lau, 2017). This study explores remote sensing classification technique and other auxiliary data to determine LULCC for a period of 50 years (1967-2016). The LULCC types identified were quantitatively evaluated using the change detection approach from results of maximum likelihood classification algorithm
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