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International Journal of Civil Engineering and Technology (IJCIET)Volume 8, Issue 5, May 2017, pp.

Available online at http://www.iaeme.com/IJCIET/issues.

ISSN Print: 0976-6308 and ISSN Online: 0976

© IAEME Publication

EVALUATION OF LAND U

CHANGES IN VIJAYAWADA CITY

REMOTE SEN

B.Tech Final Year

Asst.Professor, Civil Engineering, K

ABSTRACT

Evaluation of land use and land cover using remote sensing and GIS techniques is

an area of interest that has been attracting increasing attention. This paper is an

attempted to show the changes in

Vijayawada city over a 6 year period. The study made use of land sat imageries of

2010 to 2016. Images classifications are supervised and unsupervised on satellite

images. The results show that degraded disturbed and

type of land use and land cover in the study area. The increasing population and

economic activities were noted that they are keeping pressure on the available land

resources. This paper highlights the importance of remote

in apprehending the situation in Vijayawada city.

Key words: attention, attracting, changes,

Cite this Article: Y. Ravi, D.Santhosh and D. Satish chandra Evaluation of Land

Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS

International Journal of Civil Engineering and Technology

http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=5

INTRODUCTION

The purpose of Land use is to serve the needs of the human activities

land. The Land cover refers to vegetation and water bodies and rock soil and others resulting

due to land transformation Identifying,

global monitoring studies and planning activities

to balance conservation, differing uses, and developmental pressures. Issues driving land use

studies include the removal and disturbance of productive land urban violation and reduction

of forests. It is important to differentiate this variation between land use and land cover and

the information that can be ascertained from each.

IJCIET/index.asp 217 editor@iaeme.com

International Journal of Civil Engineering and Technology (IJCIET) 2017, pp.217–223, Article ID: IJCIET_08_05_025

http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=5

6308 and ISSN Online: 0976-6316

Scopus Indexed

VALUATION OF LAND USE/LAND COVER

S IN VIJAYAWADA CITY BY USING

REMOTE SENSING AND GIS

Y. Ravi and D. Santhosh

Final Year, Civil Department KL University, AP, India.

D. Satish chandra

Asst.Professor, Civil Engineering, KL Univeristy, AP, India

Evaluation of land use and land cover using remote sensing and GIS techniques is

an area of interest that has been attracting increasing attention. This paper is an

attempted to show the changes in land use and land cover in some parts of

Vijayawada city over a 6 year period. The study made use of land sat imageries of

Images classifications are supervised and unsupervised on satellite

images. The results show that degraded disturbed and forest constituted the most wide

type of land use and land cover in the study area. The increasing population and

economic activities were noted that they are keeping pressure on the available land

resources. This paper highlights the importance of remote sensing and GIS techniques

in apprehending the situation in Vijayawada city.

attracting, changes, pressure, Importance, supervised

Y. Ravi, D.Santhosh and D. Satish chandra Evaluation of Land

Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS

International Journal of Civil Engineering and Technology, 8(5), 2017, pp.

http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=5

The purpose of Land use is to serve the needs of the human activities which are carried on

land. The Land cover refers to vegetation and water bodies and rock soil and others resulting

due to land transformation Identifying, delineating and mapping land cover is important for

global monitoring studies and planning activities this knowledge will help develop strategies

to balance conservation, differing uses, and developmental pressures. Issues driving land use

studies include the removal and disturbance of productive land urban violation and reduction

ant to differentiate this variation between land use and land cover and

the information that can be ascertained from each.

editor@iaeme.com

asp?JType=IJCIET&VType=8&IType=5

SE/LAND COVER

BY USING

SING AND GIS

India.

, India.

Evaluation of land use and land cover using remote sensing and GIS techniques is

an area of interest that has been attracting increasing attention. This paper is an

land use and land cover in some parts of

Vijayawada city over a 6 year period. The study made use of land sat imageries of

Images classifications are supervised and unsupervised on satellite

forest constituted the most wide

type of land use and land cover in the study area. The increasing population and

economic activities were noted that they are keeping pressure on the available land

sensing and GIS techniques

, supervised.

Y. Ravi, D.Santhosh and D. Satish chandra Evaluation of Land

Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS.

, 8(5), 2017, pp. 217–223.

http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=5

which are carried on

land. The Land cover refers to vegetation and water bodies and rock soil and others resulting

delineating and mapping land cover is important for

this knowledge will help develop strategies

to balance conservation, differing uses, and developmental pressures. Issues driving land use

studies include the removal and disturbance of productive land urban violation and reduction

ant to differentiate this variation between land use and land cover and

Evaluation of Land Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS

http://www.iaeme.com/IJCIET/index.asp 218 editor@iaeme.com

The properties measured with remote sensing techniques relate to land cover, from which

land use can be inferred, particularly with ancillary data or a priori knowledge.

Land cover/use studies are multidisciplinary in nature, and thus the participants involved

in such work are numerous and varied, ranging from international wildlife and conservation

foundations, to government researchers, and forestry companies.

Regional government agencies have an operational need for land cover inventory and land

use monitoring, as it is within their mandate to manage the natural resources of their

respective regions.

Figure 1 Study area.

The purpose of this paper was to study the changes in land use and land cover over a period of

6 years in Vijayawada city using remote sensing and GIS techniques and deriving factors

behind the changes and the adverse effects of these changes on the livelihood of the people

and the local environment.

Study area

Vijayawada city situated at the geographical centre of Andhra Pradesh state in India on the

banks of Krishna River with latitude 16°31'N and longitude 80°39' E.

Y. Ravi, D.Santhosh and D. Satish chandra

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The topography of Vijayawada is flat with a few small to medium sized hills. Vijayawada

city is the present capital of the state of Andhra Pradesh due to this the population growth has

been rapidly increasing day by day.

The city’s population is expected to increases to 16.5 lakhs by 2021.With ever increasing

population and record growth of urban area the city’s landscape is undergoing unwanted

changes.

Build up of such excess heat in the urban area due to concentrated increased built-up

surfaces with concrete, asphalt, etc. and vegetative cover.

The city is facing severe land use troubles like shortage of disposal sites for garbage

whose daily production is around 600 metric tons. with the above mentioned problem related

to the unplanned growth of the city the study on land use and land cover.

MATERIALS AND METHODS

Data sources

An area of 61.88sqkm was delineated on the landsat scene covering the study area .The land

use and land cover mapping for the area was based primarily on land sat 5 Thematic Map

(TM) of December 2010 and Landsat 7 Enhanced Thematic Map (ETM) data of January

2016. The images were geometrically corrected to Universal Transverse Mercator (UTM)

coordinate system.

The selection of images of the same season was to minimize the influence of seasonal

variations on the result.

Digital image processing

Digital image processing study depended upon the use of computer-assisted explanation of

Land Sat imageries. Survey was performed throughout the study area using Global

Positioning System (GPS). This survey was performed in order to obtain accurate location

point data for each LULC class included in the classification scheme as well as for the

creation of training sites and for signature generation. In order to obtain the required

information from satellite image data, processing and interpretation were made

systematically.

Satellite image

Pre- processing

Enhancement & transformation in ERDAS

Image Classification

Analysis

Evaluation of Land Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS

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Table 1 Land use/land cover classes identified in the study area

LULC TYPES Description

Water body Areas covered with water such as dams and rivers. such as dams and

rivers.

Settlement/bare surface Areas that have been populated with permanent residents or covered

with scanty grass and exposed rocks, and bare lands.

Agricultural Land Areas that covered with agricultural land.

Settlement

Agriculture

River

Figure 2 Satellite image of 2010

Settlement

Ag Agriculture Figure 3 Satellite Image of 2016

R River

Sn.No Class Area(Hectares)

1 River 748

2 Settlement 36105

3 Agriculture 28683

Sn.No Class Area(Hectares)

1 River 600

2 Settlement 38265

3 Agriculture 24581

Y. Ravi, D.Santhosh and D. Satish chandra

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The classification scheme is as described in Table 1. The post interpretation phase included

preparation of LULC maps and detection of their changes. The change detection technique,

which was employed in this study, was the post- classification compare- son. The overlay

consisting of LULC maps of 2010 and 2016 were made through ERDAS IMAGINE software.

RESULTS AND DISCUSSION

There are two image classifications. They are supervised and unsupervised. They are as

follows

Figure 4 Supervised classification image of 2010

Figure 5 Unsupervised classification image of 2010

Evaluation of Land Use/Land Cover Changes in Vijayawada City by Using Remote Sensing and GIS

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Figure 6 Supervised classification image of 2016

Figure 7 Unsupervised classification image of 2016

Figure 4 and 5 shows the land use/land cover area by supervised and unsupervised images of

2010 and Figures 6 and 7 shows the land use/land cover images of 2016. Charts provide a

complete data set in terms of the overall landscape the types and extent of changes.

CONCLUSION

By comparing the images of Vijayawada city, Andhra Pradesh. From the years 2010 to 2016

by using the image classification methods like supervised and unsupervised for identifying the

changes in amount of land occupied by rivers, settlements and agricultural lands. After

comparing we got the amount land occupied by river in 2010 to 2016 is decreased from 748 to

Y. Ravi, D.Santhosh and D. Satish chandra

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600. The settlements are increased from 36105 to 38265 and agricultural land has been

decreased from 28683 to 24581. This changes indicates that the amount of land occupied by

both rivers and agriculture is getting decreased. The settlements are increasing day by day due

to the increase in population.

ACKNOWLEDGEMENT

The authors would like to thank Dr.Siva Sankar and D.Satish Chandra our respected faculty

members for guiding and supporting us for the completion of our project and also we thank

department of civil engineering KL University.

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