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SPATIOTEMPORAL VARIATION OF WATER QUALITY AND ALGAL BIOMASS IN ERHAI LAKE AND ITS ENVIRONMENTAL MANAGEMENT

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 566-578 doi: 10.15302/J-FASE-2023520

Abstract: biomass is crucial for accurately tracing pollution sources and reducing the risk of algal blooms in lakeThis study analyzed the spatiotemporal variability of water quality and algal biomass in Erhai Lake fromThe results showed that the historical changes in the water environment of Erhai Lake mainly had threeThe water environment of Erhai Lake is currently improving significantly, starting in the southern area

Keywords： Erhai Lake     control measures     water environment     water quality index (WQI)    

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AGRICULTURAL GREEN DEVELOPMENT IN THE ERHAI LAKE BASIN—THE WAY FORWARD

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 510-517 doi: 10.15302/J-FASE-2023524

Abstract:

Pollution of high-altitude lake basins by agriculture and rural activities, and the control of thishave greatly impacted and transformed the agricultural systems and rural livelihoods surrounding these lakeUsing Erhai Lake basin in Yunnan Province as a case study, three main challenges were identified forconcurrently decreasing pollution in the lake and increasing farmer income.This will help to protect the lake from pollution while smallholder farmers will be able to produce healthy

Keywords： agriculture     farmer income     nitrogen     phosphorus     water pollution    

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ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 553-565 doi: 10.15302/J-FASE-2023519

Abstract:

The growing need to mitigate rainfall-runoff pollution, especially first flush, calls for accurate quantification of pollution load and the refined understanding of its spatial-temporal variation. The wash-off model has advantages in modeling rainfall-runoff pollution due to the inclusion of two key physical processes, build-up and wash-off. However, this disregards pollution load from wet precipitation and the relationship between rainfall and runoff, leading to uncertainties in model outputs. This study integrated the Soil Conservation Service curve number (SCS-CN) into the wash-off model and added pollutant load from wet precipitation to enhance the rainfall-runoff pollution modeling. The enhanced wash-off model was validated in a typical rural-residential area. The results showed that the model performed better than the established wash-off model and the commonly-used event mean concentrations method, and identified two different modes of pollution characteristics dominated by land pollution and rainfall pollution, respectively. In addition, the model simulated more accurate pollutant concentrations at high-temporal-resolution. From this, it was found that 12% of the total runoff contained 80% to 95% of the total load for chemical oxygen demand, total N, and total P, whereas it contained only 15% of the total load for NH4+-N. The enhanced model can provide deeper insights into non-point pollution mitigation.

Keywords： Erhai Lake     field experiment     non-point source     pollution load     rainfall runoff     wash-off model    

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Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sourcesand lake sinks

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1464-9

Abstract:

• Eleven OPEs were detected in river sediment and lake sediment in TaihuLake.

Keywords： Organophosphate esters     Partition     Vertical distribution     Composition profile     Positive matrix factorization    

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Salt Lake Agriculture and Its Development Strategy

Kong Fanjing , Zheng Mianping , Zhang Hongxia , Li Zhen , Wang Liwei

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 148-152 doi: 10.15302/J-SSCAE-2019.01.021

Abstract:

 China has numerous salt lakes, and the development of salt lakeAs world population grows, food and fresh water shortage is aggravated, and thus developing the salt lakeStrategic studies on the salt lake agriculture becomes especially urgent.This paper depicts recent achievements of the salt lake agriculture and identifies the problems in saltlake agriculture development.

Keywords： salt lake agriculture     salt lake ecosystem     salt lake organisms    

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Climate change and sandy land development in Qinghai Lake Watershed, China

SUN Yongliang, LI Xiaoyan, LIU Lianyou, XU Heye, ZHANG Dengshan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 340-348 doi: 10.1007/s11783-008-0045-5

Abstract: The Qinghai Lake Watershed, containing the largest saline lake in northwest of China, has suffered fromThe Qinghai Lake was significantly shrinking ( < 0.01) and provided abundant sediments for Aeolian erosionAs a result, the sandy land was mainly born on the east bank of Qinghai Lake.
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Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments

LU Wenjing, WANG Hongtao

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 15-23 doi: 10.1007/s11783-008-0006-z

Abstract: decreased gradually, while non-point source pollution has become increasingly distressing in Dianchi Lakewhich prevented 32.2 t nitrogen and 3.9 t phosphorus per year from entering the water body of Dianchi Lake
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Environmental Dredging Technology of Lake Sediment

Liu Hongliang, Jin Xiangcan, Jing Yifeng

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 81-84

Abstract:

This paper discussed environmental dredging engineering technology for sediment in lake, which isThe paper presented environmental dredging technique of lake sediment on the basis first environmentaldredging engineering — Chaohei engineering of Lake Dianchi, including the nature of environmental

Keywords： sediment lake     environmental     dredging     new technology    

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Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1475-6

Abstract:

• The concentrations of 13 heavy metals in Taihu Lake were analyzed.

Keywords： Heavy metals     Human health ambient water quality criteria     Taihu Lake     Health risk assessment     Contribution    

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Assessment on contaminations in sediments of an intake and the inflow canals in Taihu Lake, China

Xiaolong WANG,Shiming DING,Qi ZHANG,Weiping HU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 665-674 doi: 10.1007/s11783-014-0701-x

Abstract: As the second largest freshwater lake in China, Taihu Lake provides water supply to approximately 32million inhabitants around the lake.of nutrients and heavy metals in the sediments of an intake and inflow canals in Gonghu Bay, Taihu LakeTaken together, more effort should be made to ensure the security of water resources in Taihu Lake, especially

Keywords： drinking water resource     nutrients     heavy metals     sediments     Taihu Lake    

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Industrial Greening of the Dongting Lake Eco-economic Zone

Da-yuan Li,Min Huang

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 228-233 doi: 10.15302/J-FEM-2015047

Abstract: The Dongting Lake district, located in Wuhan and the Changsha-Zhuzhou-Xiangtan (CZT) pilot zone, bearsnational food security and watershed ecological security, and it is an urgent need for the Dongting LakeOn the analysis of the industrial development status and problems of the Dongting Lake district, someproduction capacity, heavy metals governance and so on, as to develop the industrial ecology of the Dongting Lake

Keywords： greening     changing patterns of development     ecological civilization     regional collaboration     the Dongting Lake    

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Field experiment on biological contact oxidation process to treat polluted river water in the Dianchi Lake

Lu LI, Shuguang XIE, Hui ZHANG, Donghui WEN

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 38-47 doi: 10.1007/s11783-009-0007-6

Abstract: The Daqing River, which is the largest pollutant contributor to the Dianchi Lake, one of the most eutrophicTN, and TP, which made it applicable for the treatment of polluted river water entering the Dianchi Lake

Keywords： contact oxidation process (IBCOP)     river water     removal efficiency     nitrogen transformation     the Dianchi Lake    

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Temporal changes in the characteristics of algae in Dianchi Lake, Yunnan Province, China

Ruixia SHEN,Chunyan TIAN,Zhidan LIU,Yuanhui ZHANG,Baoming LI,Haifeng LU,Na DUAN

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 3,   Pages 266-275 doi: 10.15302/J-FASE-2015064

Abstract: Dianchi Lake in Yunnan Province, China is suffering from severe eutrophication and is listed in the ThreeIn this study, algal samples were collected from Dianchi Lake after a separation procedure includingremarkable temporal changes in the biochemical composition and biodiversity of algae harvested from Dianchi Lake

Keywords： algal blooms     temporal change     biochemical property     biodiversity     hydrothermal liquefaction    

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Effects of environmental factors on the production and release of matrix-bound phosphine from lake sediments

GENG Jinju, WANG Qiang, WANG Xiaorong, NIU Xiaojun

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 120-124 doi: 10.1007/s11783-007-0022-4

Abstract: Effects of pH, temperature, and oxygen on the production and release of phosphine in eutrophic lake sedimentsThe rates of phosphine production and release from lake sediments varied with temperature. 20?Matrix-bound phosphine concentrations in lake sediments were concluded to be dependent on a balance of
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Phosphorus release potential and pollution characteristics of sediment in downstream Nansi Lake, China

Zhijian LI, Qinyan YUE, Baoyu GAO, Yanwen WANG, Qing LIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 162-170 doi: 10.1007/s11783-011-0313-7

Abstract: phosphorus load and release from sediment, when external phosphorus was reduced in downstream Nansi LakeTherefore, sedimentary phosphorus can be a secondary pollution source in downstream Nansi Lake.

Keywords： Nansi Lake     sediment     phosphorus     release potential     equilibrium phosphate concentration    

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Title Author Date Type Operation

SPATIOTEMPORAL VARIATION OF WATER QUALITY AND ALGAL BIOMASS IN ERHAI LAKE AND ITS ENVIRONMENTAL MANAGEMENT

Journal Article

AGRICULTURAL GREEN DEVELOPMENT IN THE ERHAI LAKE BASIN—THE WAY FORWARD

Journal Article

ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Journal Article

Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sourcesand lake sinks

Journal Article

Salt Lake Agriculture and Its Development Strategy

Kong Fanjing , Zheng Mianping , Zhang Hongxia , Li Zhen , Wang Liwei

Journal Article

Climate change and sandy land development in Qinghai Lake Watershed, China

SUN Yongliang, LI Xiaoyan, LIU Lianyou, XU Heye, ZHANG Dengshan

Journal Article

Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments

LU Wenjing, WANG Hongtao

Journal Article

Environmental Dredging Technology of Lake Sediment

Liu Hongliang, Jin Xiangcan, Jing Yifeng

Journal Article

Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Journal Article

Assessment on contaminations in sediments of an intake and the inflow canals in Taihu Lake, China

Xiaolong WANG,Shiming DING,Qi ZHANG,Weiping HU

Journal Article

Industrial Greening of the Dongting Lake Eco-economic Zone

Da-yuan Li,Min Huang

Journal Article

Field experiment on biological contact oxidation process to treat polluted river water in the Dianchi Lake

Lu LI, Shuguang XIE, Hui ZHANG, Donghui WEN

Journal Article

Temporal changes in the characteristics of algae in Dianchi Lake, Yunnan Province, China

Ruixia SHEN,Chunyan TIAN,Zhidan LIU,Yuanhui ZHANG,Baoming LI,Haifeng LU,Na DUAN

Journal Article

Effects of environmental factors on the production and release of matrix-bound phosphine from lake sediments

GENG Jinju, WANG Qiang, WANG Xiaorong, NIU Xiaojun

Journal Article

Phosphorus release potential and pollution characteristics of sediment in downstream Nansi Lake, China

Zhijian LI, Qinyan YUE, Baoyu GAO, Yanwen WANG, Qing LIU

Journal Article