Appraisal the Impact of Urban Evolution and Change on Land Use and Land Cover: A Case Study of Abbottabad District

Khushboo Naz, Dr. Sheeba Afsar, Dr. Sumaiya Bano
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Khushboo Naz, Dr. Sheeba Afsar, Dr. Sumaiya Bano: Department of Geography University of Karachi. Department of Geography Federal Urdu Universityof Arts,Science and Technology, Karachi

International Journal of Innovations in Science & Technology, 2024, vol. 6, issue 6, 71-88

Abstract: Introduction/Importance of Study:The Abbottabad District has experienced dramatic urban evolution, significantly altering its land use and land cover (LULC). These changes, captured through remote sensing (RS) and geographic information systems (GIS) techniques, have had considerable environmental impacts and increased stress on the district’s resources. Identifying areas at higher risk of urban expansion is crucial for effectively managing future growth and mitigating adverse effects.Novelty Statement:This research is pioneering in its use of RS and GIS techniques to analyze urban growth in Abbottabad District from 1985 to 2023. It provides a detailed assessment of LULC changes, associated problems, and offers solutions and recommendations aimed at fostering sustainable urban development.Material and Method:The study utilized Landsat 5 (TM) and Landsat 8 (TIRS/OLI) images from 2000 to 2023, sourced from Earth Explorer. Maximum Likelihood Classification (MLC) was employed to categorize LULC classes within the study area. The Urban Expansion Risk Model was developed using a weighted overlay method that analyzed parameters including LULC, NDVI, LST, NDBI, elevation, and population density.Result and Discussion:The findings revealed significant LULC changes from 2000 to 2020, with built-up land increasing by 19.1% over the past two decades, while vegetation cover declined due to construction and agricultural expansion. These changes have impacted various aspectsof the district, including housing, health, education, sanitation, transportation, security, and employment. NDVI values indicated a decrease in vegetation cover, and Land Surface Temperature (LST) analysis showed a temperature rise of 3°C. The study highlighted environmental issues such as pollution, loss of biodiversity, landslides, topographical changes, and flooding. Field visits provided additional insights into ground realities.Concluding Remarks:The study underscores the need for government intervention to address issues related to urban growth, pollution, urban flooding, landslides, and deforestation in Abbottabad District. Effective urban planning and management of LULC are essential to preventfurther degradation and promote sustainable growth in the future.

Keywords: Urban Evolution; Land Surface Temperature; LULC; NDVI (search for similar items in EconPapers)
Date: 2024
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