water quality mapping for solapur district using gis
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Water Quality Mapping for Solapur District using GIS
Prepared by
Prashant Adsul M. Tech. First Year (113184002)
ES 680GIS for Environmental Planning and Management
Under the guidance of
Prof. A. K. DikshitCESE, IITB
Outline of Presentation
April 7, 2023 2Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Study AreaScope and Objective Water Quality Index (WQI) GIS ApplicationOutput
Scope and Objective
April 7, 2023 3Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
To study ground water quality of Solapur district using GIS software
To create Water Quality Index (WQI) Generate Ground Water Quality Map based on the
WQI
Study Area
April 7, 2023 4Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Geographically Solapur is located between 17.10 to 18.32 degrees north latitude and 74.42 to 76.15 degrees east longitude. Thedistrict is situated on the south east fringe of Maharashtra State.
The district in general has flat terrain
Area = 14844.6 sq.kms338.8 sq.kms is Urban area 14505.8 sq.kms is Rural area
Tehsils: 11
Data for Analysis
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Three Years (Years 2007-2008-2009) ground water Quality date used calculation of WQI
Data was downloaded from MPCB website
April 7, 2023 6Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Methodology for Data Interpretation
(Ramakrishnaiah et al, 2009)
Each of the groundwater samples were analyzed for various parameters such as pH, total hardness, calcium, magnesium, chloride, TDS, fluoride, nitrate, sulphate, manganese and total alkalinity
Computing WQI of Groundwater, three steps:
Data Source: MPCB website (2007-2008-2009)
April 7, 2023 7Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Method for Calculation of Water Quality Index for Ground Water
(Ramakrishnaiah et al, 2009)
Step IIThe relative weight (Wi) is computed
Step I Each of the selected parameters has been assigned a weight (wi) according to itsrelative importance in the overall quality of water for drinking purposes.The maximum weight of 5 has been assigned to the parameter nitrate due to its major importance in water quality assessment. Magnesium which is given the minimum weight of 2 as magnesium by itself may not be harmful
April 7, 2023 8Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Method for Calculation of Water Quality Index for Ground Water
April 7, 2023 9Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Method for Calculation of Water Quality Index for Ground Water
(Ramakrishnaiah et al, 2009)
Step III
A quality rating scale (qi) for each parameter is assigned
qi = (Ci/ Si) x 100
where qi is the quality rating, Ci is the concentration of each chemical parameter in each water sample in mg/L, and Si is the Indian drinking water standard for each chemical parameter in mg/L according to the guidelines of the BIS 10500, (2004-2005
April 7, 2023 10Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Method for Calculation of Water Quality Index for Ground Water
(Ramakrishnaiah et al, 2009)
SIi is the subindex of ith parameterqi is the rating based on concentration of ith parameter n is the number of parameters
April 7, 2023 11Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Water quality classification based on WQI value
All WQI calculations are performed in Excel
Steps in GIS Project
April 7, 2023 12Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Base Map of Solapur
Georeferencing and Rectification
Shapefile Creation-Polygon
Digitization of Map
Analysis
Attribute Data Entry
Result Determination based on conditions
Set Layer Property
Spatial Query
1 Geo-referencing
April 7, 2023 13Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Base Map of Solapur
April 7, 2023 14Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Source: Google Maps
1 Geo-referencing
April 7, 2023 15Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Checking RMS Error
2 Creating Shapefile
April 7, 2023 16Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 17Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Creating Shapefile in ArcCatalog
April 7, 2023 18Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Creating Shapefile in ArcCatalog
3 Digitization of Map
April 7, 2023 19Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 20Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Digitization of Map in ArcMap
April 7, 2023 21Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Digitization: Tehsil
4 Attribute Data Entry
April 7, 2023 22Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 23Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Attribute Data Entry
April 7, 2023 24Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Attribute Data : Joining Excel Data
April 7, 2023 25Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Attribute Table: Water
5 Set Layer Properties
April 7, 2023 26Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 27Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Label Expression (Tehsil Layer)
April 7, 2023 28Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Label Expression (Tehsil Layer)
6 Spatial Query
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April 7, 2023 30Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils< Nitrate 45 mg/l
April 7, 2023 31Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils> Nitrate 100 mg/l
7 Output
April 7, 2023 32Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 33Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils: Nitrate Conc. Map
April 7, 2023 34Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Nitrate Conc. : Bar Chart
April 7, 2023 35Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Pie Charts: WQI, Nitrate and pH
April 7, 2023 36Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Bar Charts: WQI, Nitrate and pH
April 7, 2023 37Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Total Hardness mg/l
April 7, 2023 38Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils: Excellent Water Quality Based on WQI
8
Output for Printing and Publications Purpose
April 7, 2023 39Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
April 7, 2023 40Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils: Nitrate Conc. Map
April 7, 2023 41Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Tehsils: Water Quality Map
April 7, 2023 42Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Create Reports
April 7, 2023 43Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Create Reports
April 7, 2023 44Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Conclusion
Sangola Indicates Excellent Water Quality. Water Quality Index is affected by Nitrate conc. Agricultural runoff is the major contributor to the nitrate contamination in ground water.
April 7, 2023 45Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
References1. Ramakrishnaiah, C.R., C. Sadashivalah and G. Ranganna,2009. “Assessment of water
quality index for the groundwater in Tumkur Taluk, Karnataka State”, Indian J. Chem., 6: 523-530
2. MPCB report on water quality report for Maharashtra State
3. Yisa J. and Jimoh T. “Analytical Studies on Water Quality Index of River Landzu”,2010 American Journal of Applied Sciences 7 (4): 453-458
4. Lecture Notes for Course ES 680 by Prof. A.K. Dikshit, CESE IITB Mumbai
5. Google Maps
April 7, 2023 46Water Quality Mapping for Solapur District using GIS Prashant Adsul, CESE IITB
Acknowledgement
Prof. A.K. Dikshit
Mr. Nishit AmanMs. Arleen KaurES 680 GIS Group
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