scholarly journals ANÁLISE MULTITEMPORAL DO USO E COBERTURA DO MANANCIAL ALAGADOS E DE SEU ENTORNO NA REGIÃO DE PONTA GROSSA-PR

2013 ◽  
Vol 35 (1) ◽  
pp. 24
Author(s):  
Paulo Costa de Oliveira Filho ◽  
Charles Andrey da Silva ◽  
Kelly Geronazzo Martins
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Water Surface ◽  
Satellite Images ◽  
Agricultural Practices ◽  
Degradation Process ◽  
Image Method ◽  
Marginal Areas ◽  
High Sedimentation

This study aimed the multitemporal analysis of land use and coverage of the water supply, Alagados and its surroundings (1 km range) in Ponta Grossa city over ten years (from 2001 to 2011). Especially attention was laid on the marginal areas (100 m range) of the permanentpreservation areas (PPA). As the major water suply source of Ponta Grossa city, deterioration of water quality of Alagados is threatened bythe misuse and disorderly occupation of its surroundings .We used satellite images of medium spatial resolution (30 meters) and the objectoriented image method preceded by the image segmentation as the classification techniques. The results showed that there was a significantreduction in the surface of the water surface in 13.43% (88.15 ha) in the period 2001 to 2011, which shows a high sedimentation processoccurred in certain areas of the reservoir. Changes were also detected in the PPA range domain (100 meters) surrounding the reservoir,confirming a degradation process due mainly to the increase buildings occupations and agricultural practices.

scholarly journals Impact of Agricultural Practices on Water Quality of Old Woman Creek Watershed, Ohio

Agriculture ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 426
Author(s):  
Israel A. Olaoye ◽  
Remegio B. Confesor ◽  
Joseph D. Ortiz
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Organic Nitrogen ◽  
Agricultural Land ◽  
Hydrological Model ◽  
Organic Phosphorus ◽  
Agricultural Practices ◽  
Climate Data ◽  
Old Woman Creek

The effect of agricultural practices on water quality of Old Woman Creek (OWC) watershed was evaluated in a hydrological model using the Parameter-elevation Regressions on Independent Slopes Model (PRISM) climate data and 20 different global circulation models (GCMs) from the Coupled Model Intercomparison Project Phase 5 (CMIP5). A hydrological model was set up in the Soil and Water Assessment Tool (SWAT), while calibration was done using a Multi-Objective Evolutionary Algorithm and Pareto Optimization with PRISM climate data. Validation was done using the measured data from the USGS gage station at Berlin Road in the OWC watershed and water quality data were obtained from the water quality lab, Heidelberg University. Land use scenario simulations were conducted by varying percentages of agricultural land from 20% to 40%, 53.5%, 65%, and 80% while adjusting the forest area. A total of 105 simulations was run for the period 2015–2017: one with PRISM data and 20 with CMIP5 model data for each of the five land use classes scenarios. Ten variables were analyzed, including flow, sediment, organic nitrogen, organic phosphorus, mineral phosphorus, chlorophyll a, CBOD, dissolved oxygen, total nitrogen, and total phosphorus. For all the variables of interest, the average of the 20 CMIP5 simulation results show good correlation with the PRISM results with an underestimation relative to the PRISM result. The underestimation was insignificant in organic nitrogen, organic phosphorus, total nitrogen, chlorophyll a, CBOD, and total phosphorus, but was significant in CMIP5 flow, sediment, mineral phosphorus, and dissolved oxygen. A weak negative correlation was observed between agricultural land percentages and flow, and between agricultural land percentages and sediment, while a strong positive correlation was observed between agricultural land use and the water quality variables. A large increase in farmland will produce a small decrease in flow and sediment transport with a large increase in nutrient transport, which would degrade the water quality of the OWC estuary with economic implications.

scholarly journals The consequences for stream water quality of long-term changes in landscape patterns: Implications for land use management and policies

2021 ◽  
Vol 109 ◽  
pp. 105679
Author(s):  
António Carlos Pinheiro Fernandes ◽  
Lisa Maria de Oliveira Martins ◽  
Fernando António Leal Pacheco ◽  
Luís Filipe Sanches Fernandes
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Stream Water ◽  
Landscape Patterns ◽  
Land Use Management ◽  
Stream Water Quality ◽  
Long Term Changes

Water quality of small seasonal wetlands in the Piedmont ecoregion, South Carolina, USA: Effects of land use and hydrological connectivity

2015 ◽  
Vol 73 ◽  
pp. 98-108 ◽  
Author(s):  
Xubiao Yu ◽  
Joanna Hawley-Howard ◽  
Amber L. Pitt ◽  
Jun-Jian Wang ◽  
Robert F. Baldwin ◽  
...  
Keyword(s):  
Water Quality ◽  
Land Use ◽  
South Carolina ◽  
Hydrological Connectivity ◽  
Seasonal Wetlands ◽  
Effects Of Land Use

scholarly journals Water quality of the reservoirs used for irrigation in São José dos Pinhais, Paraná State, Brazil

2016 ◽  
Vol 46 (4) ◽  
pp. 626-631
Author(s):  
Tiago Miguel Jarek ◽  
Jorge Luiz Moretti de Souza ◽  
Nerilde Favaretto ◽  
Lucimeris Ruaro
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Coliform Bacteria ◽  
Environmental Preservation ◽  
Quality Of Water ◽  
Average Rainfall ◽  
Agricultural Potential ◽  
Thermotolerant Coliforms ◽  
Type Of Land Use

ABSTRACT: Land use outside its agricultural potential and low vegetation cover in the watershed impair the quality of water used for irrigation and may contribute to the spread of pathogenic coliform bacteria. The objective of this study was to relate the quality of irrigation water with the intensity and type of land use and the rainfall in a vegetable-producing region of São José dos Pinhais, Paraná. Water samples were collected monthly in 2013 from two reservoirs and one preserved source. After collection, the samples were chilled in Styrofoam boxes and transported to the laboratory for analyses of the total and thermotolerant coliforms. Effect of land use was analyzed by probability estimation trees. High land use and weekly above average rainfall increased the probability of thermo tolerant coliforms exceeding the limit allowed under legislation. In regards to thermo tolerant coliforms in the analyzed period, the water from only one reservoir was in accordance with the legislation for the quality of water to irrigate vegetables that are consumed raw. Results of this study are an alert to the local government for the necessity of environmental preservation to maintain the water quality of the county.

scholarly journals Impacto do uso e ocupação da terra na qualidade da água da bacia hidrográfica do rio Nhapindazal, Irati (PR) / Impact of land use and occupation on the water quality of Nhapindazal river watershed, Irati, (PR)

2012 ◽  
Vol 8 (3) ◽  
pp. 845-858 ◽  
Author(s):  
Augusto Tomazzoni Lubenow ◽  
◽  
Paulo Costa de Oliveira Filho ◽  
Carlos Magno de Sousa Vidal ◽  
Grasiele Soares Cavallini ◽  
...  
Keyword(s):  
Water Quality ◽  
Land Use ◽  
River Watershed

scholarly journals Impact of Landuses on Air and Water Quality- A Review

2018 ◽  
Vol 13 (Special issue 1) ◽  
pp. 11-21
Author(s):  
KALYANI SUPRIYA ◽  
R K AGGARWAL ◽  
S K BHARDWAJ
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Air Quality ◽  
Environmental Change ◽  
Anthropogenic Activities ◽  
Global Environmental Change ◽  
Quality Of Water ◽  
Global Environmental ◽  
Land Use Impact

Landuse alteration is one of the primary causes of global environmental change. Changes in the landuse usually occurred regionally and globally over last few decades and will carry on in the future as well. These activities are highly influenced by anthropogenic activities and have more serious consequences on the quality of water and air. In the present study relationship between land use impact on water and air quality have been reviewed.

scholarly journals Impact of Changes in Land Use and Land Cover in the Contribution Basin of Doutor João Penido Water Supply Reservoir of Juiz de Fora, MG, Brazil

2021 ◽  
Vol 11 (1) ◽  
pp. 108
Author(s):  
Juliana Nazareth de Lana ◽  
Márcio de Oliveira ◽  
Vanessa Romario de Paula ◽  
Cézar Henrique Barra Rocha
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Land Cover ◽  
Water Supply ◽  
Quality Parameters ◽  
E Coli ◽  
The City ◽  
Water Supply Reservoirs ◽  
Limnological Parameters

Changes in the land use and land cover in areas adjacent to water reservoirs directly affect the quality of this water. This research presents a study on the water quality in the basin of one of the most important public water supply reservoirs in the city of Juiz de Fora, Minas Gerais. The main objective of this study was to analyze the behavior of limnological parameters and the correlation with land use and land cover in the contribution basin of the Doutor João Penido reservoir (CBJPR). The methodology was based on the analysis of water quality parameters, related to water samples collected from 2012 to 2015. Six sampling points were chosen from different locations: spring, medium course, main tributaries of the reservoir and the reservoir catchment. The parameters analyzed were turbidity, total solids (TS), oxygen consumed (OC), dissolved oxygen (DO), electrical conductivity, total nitrogen (TN), total phosphorus (TP), E. Coli, temperature, pH and total dissolved solids (TDS). The Kendall’s tau test was used to analyze the correlations between the parameters of water quality, land use and land cover in the CBJPR. In general, measured parameters showed better results in spring and in reservoir catchment, showing a worse quality of the water along the tributaries and the dilution power of the reservoir. The correlations pointed to the need for protection and preservation of forests in strategic locations to ensure good water quality.

scholarly journals ASSESSMENT OF THE IMPACTS OF LAND USE ON WATER QUALITY OF BRANTAS UPSTREAM , BATU CITY, INDONESIA

2017 ◽  
Vol 4 (1) ◽  
pp. 18-25
Author(s):  
Bambang Rahadi Widiatmono ◽  
Fajri Anugroho ◽  
Euis Elih Nurlaelih ◽  
Akhmad Adi Sulianto ◽  
Novia Lusiana
Keyword(s):  
Water Quality ◽  
Land Use

scholarly journals Multivariate Analysis for Assessing Irrigation Water Quality: A Case Study of the Bahr Mouise Canal, Eastern Nile Delta

Water ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 2537 ◽  
Author(s):  
Mohamed K. Abdel-Fattah ◽  
Sameh Kotb Abd-Elmabod ◽  
Ali A. Aldosari ◽  
Ahmed S. Elrys ◽  
Elsayed Said Mohamed
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Multivariate Analysis ◽  
Sustainable Agriculture ◽  
Irrigation Water ◽  
Class Ii ◽  
Class I ◽  
Landsat 8 ◽  
Irrigation Water Quality

Water scarcity and suitable irrigation water management in arid regions represent tangible challenges for sustainable agriculture. The current study aimed to apply multivariate analysis and to develop a simplified water quality assessment using principal component analysis (PCA) and the agglomerative hierarchical clustering (AHC) technique to assess the water quality of the Bahr Mouise canal in El-Sharkia Governorate, Egypt. The proposed methods depended on the monitored water chemical composition (e.g., pH, water electrical conductivity (ECiw), Ca2+, Mg2+, Na+, K+, HCO3−, Cl−, and SO42−) during 2019. Based on the supervised classification of satellite images (Landsat 8 Operational Land Imager (OLI)), the distinguished land use/land cover types around the Bahr Mouise canal were agriculture, urban, and water bodies, while the dominating land use was agriculture. The water quality of the Bahr Mouise canal was classified into two classes based on the application of the irrigation water quality index (IWQI), while the water quality was classified into three classes using the PCA and AHC methods. Temporal variations in water quality were investigated, where the water qualities in winter, autumn, and spring (January, February, March, April, November, and December) were classified as class I (no restrictions) based on IWQI application, and the water salinity, sodicity, and/or alkalinity did not represent limiting factors for irrigation water quality. On the other hand, in the summer season (May, June, July, August, and October), the irrigation water was classified as class II (low restrictions); therefore, irrigation processes during summer may lead to an increase in the alkalinity hazard. The PCA classifications were compared with the IWQI results; the PCA classifications had similar assessment results during the year, except in September, while the water quality was assigned to class II using the PCA method and class I by applying the IWQI. Furthermore, the normalized difference vegetation index (NDVI) around the Bahr Mouise canal over eight months and climatic data assisted in explaining the fluctuations in water quality during 2019 as a result of changing the crop season and agriculture management. Assessments of water quality help to conserve soil, reduce degradation risk, and support decision makers in order to obtain sustainable agriculture, especially under water irrigation scarcity and the limited agricultural land in such an arid region.

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