GUJARAT TECHNOLOGICAL UNIVERSITY CHANDKHEDA, AHMEDABAD L.D. COLLEGE OF ENGINEERING A REPORT ON – LAND USE /LAND CHANGE CLASSIFICATION SUBJECT UNDER DESIGN ENGINEERING BE SEM – V (CIVIL ENGINEERING) SR. NAME OF STUDENT ENROLMENT NO. 1. 2. 3. 4. SHRIMALI TUSHAR R. SUTHAR MEET N. THATHAGAR PAVAN C. VADOLIYA KEVAL L. 230283106029 230283106030 230283106032 230283106034 INTERNAL GUIDE: PROF: - MRS.ANJUM MIRZA L.D college of engineering 1 ABSTRACT The assessment of land use land cover change is extremely important for understanding the relationship between humans and nature. The enormous changes at a regional scale and advancements in technology have encouraged researchers to gather more information. The remote sensing technology and GIS tools cooperatively have made it easier to monitor the changes in land use land cover (LULC) from past to present. This technology has unraveled the changes at the regional and global level and has also contributed tremendous benefits to the scientific community. A variety of change detection algorithms have been used in the history of remote sensing to detect changes at earth's surface and newer techniques are still in process. The data from remote sensing satellites are the primary sources that provide an opportunity to acquire information about LULC change in recent decades, which extensively use different algorithms according to the research needs. The selection of appropriate change detection method is highly recommended in every remote sensing project. This review paper begins with the traditional pre and postclassification change detection techniques related to LULC information at the regional level. Therefore, this paper evaluated the mostly used change detection method among all others to find remarkable results. Thus, the review concludes the post-classification change detection method using maximum likelihood classifier (MLC) supervised classification is applicable in all cases. The comparative analysis was also performed in a selected region having multiple land features during review in which MLC results best in comparison to others. MLC is the most commonly used technique from the past till present that has achieved high accuracy in all regions comparatively to other techniques. L.D college of engineering 2 Acknowledgment I would like to express my sincere gratitude to Prof. Mrs. Anjum Mirza, my internal guide at L.D. College of Engineering, for her continuous support, encouragement, and invaluable guidance throughout the duration of this project. Her expertise and insightful suggestions have been pivotal in shaping this project on Land Use/Land Cover Change Detection, helping me to achieve a deeper understanding of the subject. I extend my appreciation to Gujarat Technological University for providing the platform and resources that enabled me to undertake this project as part of Design Engineering (2A). The knowledge and experience gained from this project have greatly contributed to my academic growth and practical understanding of change detection techniques. I would also like to acknowledge the assistance of my peers and the faculty members of the Civil Engineering Department, who provided their support and valuable feedback during various stages of this project. Their inputs played a crucial role in refining my work. Special thanks to USGS Earth Explorer and the Survey of India for providing the data and maps essential for the successful completion of the project. The tools and resources they offer were critical in analysing and interpreting the land cover changes in Ahmedabad. Finally, I am grateful to my family and friends for their unwavering support, patience, and encouragement during this journey. Their belief in me has been a constant source of motivation. L.D college of engineering 3 1 1.1 INTRODUCTION What is the land use and land change : Land cover change denotes a change in certain continuous characteristics of the land such as vegetation type, soil properties, and so on, whereas land-use change consists of an alteration in the way certain area of land is being used or managed by humans. This involves the transformation in the natural landscape due to urban growth. It is interesting to note that this change is responsible for a number of local and global effects, including biodiversity loss and its associated effects on human health, and the loss of habitat and ecosystem services (Patel et al., 2019). It is mainly driven by urban growth and is particularly important now for developing and underdeveloped countries. However, natural causes may result in land cover change, but land-use change requires human intervention 1.2 Context and background: Monitoring land use and land cover (LULC) changes has become increasingly essential in fast-growing urban areas like Ahmedabad. Land use refers to the human utilization of land for various purposes such as agriculture, residential, industrial, or commercial activities, while land cover denotes the physical surface of the earth, including forests, water bodies, barren land, and built-up areas. Tracking LULC changes helps in understanding how human activities and natural phenomena shape the landscape over time. As cities like Ahmedabad experience rapid population growth and urbanization, they undergo significant transformations in their land use. This urban expansion leads to a substantial increase in developed areas (such as residential and industrial zones) and often results in the reduction of agricultural lands and natural spaces like water bodies and barren lands. These changes can strain local resources, alter ecosystems, and affect climate patterns, making it essential to monitor these shifts for effective urban planning and environmental conservation. 1.3 Study area: Ahmedabad, located in the western part of India in Gujarat, is a key economic and industrial hub. It has experienced rapid urban growth, especially in the last few decades. Its geographic location on the banks of the Sabarmati River and its semi-arid climate influence the natural environment and the city's land use. Additionally, Ahmedabad’s socio-economic background has seen considerable transformation due to industrialization, infrastructure development, and real estate expansion, impacting its land use patterns. The city has expanded beyond its traditional boundaries, absorbing surrounding rural and agricultural areas, and significantly altering the landscape. 1.4 Problem statement: The growing urbanization of Ahmedabad has led to drastic changes in land use patterns. As the city expands, agricultural lands, forests, and water bodies are often converted into urban settlements or industrial zones. This land conversion brings about a range of environmental and socio-economic challenges, such as: L.D college of engineering 4 1.4.1 Loss of Agricultural Land: With rapid urban development, agricultural fields are shrinking. This can negatively impact the food security of the region and lead to a reduction in green cover. 1.4.2 Depletion of Water Bodies: Ahmedabad has experienced a reduction in water bodies due to encroachment, pollution, and improper water management. The loss of these water bodies can exacerbate water scarcity and negatively affect biodiversity. 1.4.3 Urban Heat Island Effect: The conversion of natural land covers into built-up areas increases the local temperature in urban centers, leading to the urban heat island effect. This can affect local weather patterns and worsen living conditions. 1.4.4 Environmental Degradation: The replacement of natural ecosystems with urban areas can lead to habitat destruction, loss of biodiversity, and increased pollution levels. Scope of the study : 1.5 This study focuses on understanding the changes in land use patterns in the Ahmedabad region through supervised classification techniques. The primary objective is to classify different land use types, track their changes over time, and analyze the impact of these changes on the environment and urban planning. - The study area includes various land use categories, such as: 1.5.1 Water Bodies: Lakes, rivers, and reservoirs in and around Ahmedabad, crucial for local water supply and biodiversity. 1.5.2 Agricultural Areas: Farmlands located around the city, which have been affected by urban expansion. 1.5.3 Urban/Developed Areas: Residential, industrial, and commercial zones that have expanded significantly. 1.5.4 Barren Lands: Areas with little to no vegetation, which may include dry lands or unused spaces. 1.5.5 Glaciers: While glaciers are not relevant to Ahmedabad, any reference may be symbolic of areas that require attention in cold or higher altitude regions of Gujarat or nearby. L.D college of engineering 5 1.6 Objectives: 1.6.1 Classification of Land Use Types in Ahmedabad: Using satellite imagery and GIS-based tools, the study aims to classify the land into distinct categories such as water bodies, agricultural land, developed (urban) areas, and barren lands. 1.6.2 Detection and Analysis of Land Use Changes Over Time: Through time-series analysis, the study will monitor and quantify the land use changes that have occurred over a specified period (e.g., over the last 5 or 10 years). This will provide insights into the pace and nature of urbanization, deforestation, and agricultural decline. 1.6.3 Accuracy Assessment: Evaluate the accuracy of the classification through methods like confusion matrix, kappa coefficient, and ground truthing. 1.6.4 Change Detection: Identify key transitions in land use, such as agricultural land being converted to urban land or the reduction of water bodies due to human encroachment. 1.6.5 Significance of the study: The results of this study will provide valuable insights for urban planning, environmental policies, and resource management in Ahmedabad. Specifically, the findings will contribute in the following ways: 1.6.6 Urban Planning: By identifying areas experiencing rapid urbanization, the study will assist urban planners in designing infrastructure projects, transportation networks, and residential areas that accommodate the city's growth while minimizing environmental degradation. Accurate classification will help planners identify areas for sustainable development and avoid encroachment on agricultural or environmentally sensitive areas. 1.6.7 Environmental Policies: The study can help environmental policymakers understand the impact of urbanization on natural resources and ecosystems. It can guide the creation of regulations and policies aimed at conserving water bodies, protecting agricultural lands, and promoting green spaces within urban areas. L.D college of engineering 6 1.6.8 Water Resource Management: With the depletion of water bodies being a critical concern for Ahmedabad, the results of the study will inform strategies for water conservation, restoration of lost water bodies, and the sustainable management of the city's water resources. 1.6.9 Biodiversity and Habitat Conservation: The classification and change detection will highlight areas where urban expansion threatens natural habitats, offering insights for the preservation of biodiversity and ecosystem health. 1.6.10 Climate Change Mitigation: The project’s findings will contribute to strategies aimed at mitigating the urban heat island effect and promoting climate resilience in Ahmedabad by identifying green cover loss and providing areas for reforestation or preservation. 1.6.11 Sustainable Development Goals (sdgs): This study can support the achievement of several sdgs, including sustainable cities and communities (SDG 11), climate action (SDG 13), and life on land (SDG 15), by providing data that aligns development with environmental conservation. L.D college of engineering 7 2 LITERATURE REVIEW 1. TITLE: -LAND USE & LAND COVER CHANGE DETECTION USING G.I.S. & REMOTE SENSING RESEARCH BY: - Dhaval Dodiya, Sarju Goswami, Dhrohit Chauhan, Mayur Bhuva, Ruchita Parekh International Research Journal of Engineering and Technology The literature review highlights the use of GIS and remote sensing to track land use changes in Vadodara, India, from 1998 to 2008. By analyzing satellite imagery, the study categorized land into agricultural, forest, built-up areas, water bodies, and barren land. The methodology emphasized the need for accurate preprocessing of images. The review notes that urban expansion led to a 9.598% increase in built-up areas, while agricultural and forest lands declined. It also emphasizes the role of these technologies in aiding urban planning and environmental management. 2. TITLE: - SATELLITE IMAGE BASED LAND USE LAND COVER CHANGE ANALYSIS OF RANCHI DISTRICT, JHARKHAND RESEARCH BY: - Rabindar Kumar, Obaidullah Ehrar,Dilip Kumar Mahto International Research Journal of Engineering and Technology The literature review examines land use and land cover changes in Ranchi, India, between 1992 and 2017 using satellite imagery. It highlights significant increases in built-up areas and agricultural land, while forest and vegetation cover declined. The study emphasizes the role of geospatial technology and supervised classification in tracking these changes and stresses the importance of sustainable land management to address the challenges posed by urbanization and population growth. 3. TITLE: - A LITERATURE REVIEW ON LAND USE LAND COVER CHANGES RESEARCH BY: - Shaghla Parveen , Jasmeen Basheer and Bushra Praveen. International Journal of Advanced Research (IJAR) The literature review on Land Use and Land Cover (LULC) changes highlights the continuous alterations in land use due to both natural and anthropogenic factors. Historically, humans have modified land to meet survival needs, but recent exploitation rates have resulted in significant ecosystem changes. These changes impact biodiversity, climate, and pollution, emphasizing the importance of managing land use. Remote sensing and GIS have become critical tools for monitoring these L.D college of engineering 8 changes, enabling the collection of accurate, up-to-date information on land use patterns and trends for better decision-making. 4. TITLE: - ANALYZING AND MODELING LAND USE/LAND COVER CHANGE IN PHU THO PROVINCE, VIETNAM RESEARCH BY: - Bui Bao Thien, Vu Thi Phuong JOURNAL OF DEGRADED AND MINING LANDS MANAGEMENT The literature review on land use and land cover (LULC) changes in the Mandavi River Basin, YSR Kadapa District, Andhra Pradesh, highlights significant transformations in land use over time, observed through remote sensing and GIS technologies. The study applied supervised classification using the maximum likelihood algorithm to satellite data from 2006 and 2018. Results show a decline in agricultural and forested areas, along with reductions in water bodies and river coverage. Conversely, built-up and fallow lands have expanded. The use of remote sensing, specifically Landsat imagery, proved essential for detecting these spatiotemporal changes. This analysis underscores the importance of geospatial tools for effectively monitoring environmental shifts and managing natural resources in the region. 5. TITLE: - LCLU OF AHMEDABAD DISTRICT BY SUPERVISED CLASSIFICATION (IRGET) RESEARCH BY: - Rabindar Kumar, Obaidullah Ehrar,Dilip Kumar Mahto Analyzing and modeling land use/land cover change in Ahmedabad The literature review focuses on the analysis of land use and land cover (LULC) changes inAhmedabad, over a 30-year period from 1992 to 2022. Using remote sensing and GIS techniques, five key LULC categories were identified: agricultural land, barren land, vegetation, built-up areas, and water bodies. Significant changes were observed, with increases in agricultural land, built-up areas, and water bodies, while barren land and vegetation decreased. The study also utilized the Normalized Difference Vegetation Index (NDVI) and Normalized Difference Built-up Index (NDBI) to assess the spatial changes in vegetation and urbanization. A high level of classification accuracy was achieved, with Kappa coefficients of 0.835, 0.879, and 0.916 for the years 1992, 2010, and 2022, respectively, highlighting the precision of the LULC classifications. These findings emphasize the environmental impacts of urbanization, population growth, and climate change on land use, calling for sustainable land management practices. L.D college of engineering 9 6. TITLE: - IMPACTS OF LAND COVER CHANGES ON LAND SURFACE TEMPERATURE USING LANDSAT IMAGERY WITH THE SUPERVISED CLASSIFICATION METHOD RESEARCH BY: - Astrid Damayanti , Farisya Isnaayu Khairunisa , Kintan Maulidina Ache International Journal of science technology The study examines how urbanization in Tarogong Kidul, Garut Regency, Indonesia, has led to changes in land cover, reducing vegetation and increasing built-up areas. Using Landsat 8 satellite images, the researchers found that this shift significantly increased land surface temperatures from 2014 to 2020. The study revealed an 84.49% correlation between the decrease in vegetation, measured by NDVI, and rising temperatures, highlighting the importance of green spaces in regulating surface heat. L.D college of engineering 10 3 MAP CLASSIFICATION AND DATA SOURCES: 3.1 Land Use Classification: Focuses on how land is utilized by humans (e.g., residential, commercial, agricultural). 3.2 Land Cover Classification: Concentrates on the physical material at the surface of the earth (e.g., forests, water, bare soil). 3.3 IMPORTANCE: 3.3.1 Resource Management: Helps in managing natural resources effectively by identifying areas that require conservation, development, or restoration. Also help in maintaining the buffer stock of the farming yields.it also include the construction materials like sand ,rock ,etc 3.3.2 Environmental Monitoring: Enables the tracking of changes in land use and cover over time, which is critical for assessing environmental impacts and trends (e.g., urbanization, deforestation). My monitoring the environment changes we find which precautionary step we will take to maintain the beauty of are and prevent the adverse effect and miss ativities happens at particular area . 3.3.3 Urban Planning: Supports urban planners in making informed decisions about land allocation, infrastructure development, and zoning regulations. Proper planning and zoning increase the facility and class of the particular location people can do their activities without disturbing other people for example if the library and industry place side by side the disturbance to library casued by the industrial activity so proper planning s necessary this also include circulation within the different zones . 3.3.4 Biodiversity Conservation: Assists in identifying habitats and ecosystems, guiding conservation efforts to protect biodiversity. L.D college of engineering 11 3.3.5 Policy Making: Provides data that inform policymakers about land use trends, helping to shape policies that promote sustainable development. In our india very less policies are maintained by various authority to maintain our ecological system so we make the proper regulatory body and make new rule which are accepted by all the people and agencies. 3.3.6 Climate Change Studies: Aids in understanding how land use changes contribute to climate change and can inform mitigation strategies. This include the characteristic of the land in different climate season from that we can analyse the amount of the crops develop at particular location , pond ,well, ground water studies , construction activities etc . 3.3.7 Socioeconomic Studies: Offers insights into the relationship between land use patterns and socioeconomic factors, facilitating targeted interventions. L.D college of engineering 12 4 HOW REMOTE SENSING AND GIS HELP: The various sources of remote sensing information include aerial photography (using traditional aircraft or unmanned aerial vehicles), satellite imagery, and Light Detection and Ranging (LiDAR). These methods collect data from a distance, allowing GIS professionals to safely analyze it using an easy-to-use spatial data platform. Remote sensing increases the capabilities of GIS by providing geospatial information even in hazardous areas, such as those experiencing natural calamities. It also provides users with a way to systematically collect data for various applications. Moreover, its unobtrusive processes allow researchers to map areas and objects without disturbance. 4.1 Software we use : - Arc gis : ArcGIS is a comprehensive geospatial platform for professionals and organizations, and the leading geographic information system (GIS) technology. ArcGIS connects maps, apps, data, and people in ways that help empower organizations to make data-driven decisions more efficiently. ArcGIS accomplishes this by making it easy for everyone in an organization to discover, use, make, and share maps from any device, anywhere, at any time. ArcGIS is designed to be flexible, offering these capabilities through multiple implementation patterns and approaches. 1. As a single, multi-purpose GIS system that supports a variety of user needs and workflows and delivers a wide range of enterprise services. 2. As a collection of GIS systems, each of which delivers a focused set of capabilities to the enterprise. This may include systems of record for managing different types of data, systems of insights for empowering data scientists and other users with a variety of analytic capabilities, and systems of engagement for delivering location services, enterprise applications, and selfservice capabilities. 3. Using ArcGIS to extend and enable existing business systems, such as Enterprise Asset Management (EAM) or Customer Relationship Management (CRM) systems, with location, mapping, and spatial analysis capabilities. L.D college of engineering 13 5 METHODOLOGY: 5.1.1 Data collection: This stage involves gathering relevant datasets, primarily focusing on remote sensing imagery. Sources may include satellite data from platforms such as Landsat, Sentinel-2, or commercial satellites like PlanetScope. In addition, historical aerial photographs and ground truth data collected through field surveys can provide valuable context. Ensure that data spans multiple time points to facilitate change detection. Consider environmental factors, such as seasonal variations, when selecting data. 5.1.2 Data analysis: Once the data is collected, it undergoes preprocessing to enhance its quality. This may include steps like atmospheric correction to eliminate distortions from the atmosphere, geometric correction to align images accurately, and cropping to focus on the area of interest. Following this, various analytical techniques, such as calculating vegetation indices (e.g., NDVI, EVI), can help differentiate between land cover types based on their spectral signatures. 5.1.3 Data interpretation: This phase, the results from the analysis are interpreted to understand the dynamics of land cover change. This involves comparing images from different time periods to identify shifts in land use, such as urban expansion, deforestation, or changes in agricultural practices. The findings are contextualized with socio-economic data, such as population density and land use policies, to explain the underlying causes of the observed changes. 5.1.4 Acquiring necessary information: To support the analysis and interpretation, gather supplementary information that may influence land cover changes. This can include climate data (temperature, rainfall), socioeconomic indicators (income levels, urbanization rates), and land tenure systems. This contextual information helps to build a comprehensive understanding of the factors driving land use change in the study area. . 5.1.5 Training samples: Carefully select training samples representing each land cover class to train the classification model. This involves identifying areas within the dataset that accurately reflect different land cover types, such as urban, forest, water, and agriculture. The training samples should be diverse and cover the variability within each class to enhance model performance. Consider using stratified sampling methods to ensure balanced representation of all classes. L.D college of engineering 14 5.1.6 Supervised classification: Implement supervised classification algorithms, such as Random Forest, Support Vector Machines (SVM), or Deep Learning methods like Convolutional Neural Networks (CNN). The selected model is trained using the prepared training samples, allowing it to learn the distinctive features associated with each land cover class. The model is then applied to classify the entire dataset, generating a land cover map that illustrates the spatial distribution of different land use categories. 5.1.7 Change Detection Analysis Change detection analysis is vital for understanding land use/land cover changes over time using multiple time periods of imagery. Techniques like image differencing allow for the subtraction of pixel values between classified images to identify changes, while postclassification comparison directly compares classified maps from different periods to assess shifts in land cover types. To quantify these changes, metrics such as area change, percentage change, and transition matrices provide insights into the magnitude and nature of land cover transformations. 5.1.8 Visualization and Mapping Visualization and mapping are crucial for effectively communicating change detection findings. Thematic maps visually represent classified land use and cover categories, highlighting significant changes clearly. Utilizing GIS tools in ArcGIS enhances this process by allowing the integration of various data layers. Alongside thematic maps, graphs and charts summarize key statistics, making the information accessible and engaging for stakeholders. These visual tools support informed decision-making and raise awareness about the importance of sustainable land management practices. L.D college of engineering 15 6 SUPERVISED CLASSIFICATION OF STUDY AREA (AHMEDABAD) 6.1 Why Select Ahmedabad for Land Cover Change Classification Ahmedabad, one of India's rapidly developing cities, serves as an ideal case study for land cover change classification due to its significant urbanization, diverse land uses, and ongoing socio-economic transformations. The city has witnessed substantial growth in recent decades, resulting in changes to agricultural land, green spaces, and urban areas. Analysing these changes provides critical insights for urban planning, resource management, and environmental sustainability, making Ahmedabad a relevant and impactful study area. 6.2 Geographical Coordinates of Ahmedabad Location: Ahmedabad is situated in the western Indian state of Gujarat. Coordinates: o North Latitude: Approximately 23.0225° N o East Longitude: Approximately 72.5714° E These coordinates allow for effective mapping and analysis of land cover using a North-South reference system. STUDY AREA 8087 SQUARE KM L.D college of engineering 16 6.3 Preparation of Classification for Ahmedabad Area The preparation for classification in the Ahmedabad area involves the following steps: 1. Defining Objectives: Establish clear goals for the classification, focusing on specific land cover types and the timeframe for change detection. 2. Selecting Appropriate Data: Choose satellite images from USGS Earth Explorer that capture seasonal variations and significant events impacting land cover. Incorporate Survey of India maps to contextualize and validate the classifications. 3. Creating Training Samples: Utilize ground truth data to delineate and categorize various land cover classes, ensuring representative training samples are collected. 4. Implementing Classification Algorithms: Use ArcGIS tools to perform supervised classification based on the training data, refining parameters as necessary for accuracy enhancement. 5. Conducting Accuracy Assessment: Evaluate the results against validation data to ensure reliability, adjusting the model as needed based on accuracy metrics. L.D college of engineering 17 c DATASET MAP Sr. No. 1. 2. 3. 4. 5. L.D college of engineering Types Water Land Developed Area Barren Land Forest Area Planted / Cultivated Area Area in sq.km 417.52 683.97 888.4 677.14 4590.14 18 6.4 Change Detection Process The change detection process for Ahmedabad includes the following key steps: 1. Data Acquisition: o Utilize satellite imagery from USGS Earth Explorer, which provides access to various datasets (e.g., Landsat) covering different time periods for effective change detection. o Supplement satellite data with maps downloaded from the Survey of India to gain additional insights into land use patterns and classifications. 2. Data Preprocessing: o Perform radiometric and geometric corrections on the acquired images to ensure accuracy. o Conduct image enhancements to improve feature visibility. 3. Supervised Classification: o Define land cover classes (e.g., urban, agricultural, water, barren) based on the local context and the available ground truth data. o Collect training samples from various land cover types to train the classification model. 4. Classification Execution: o Use classification algorithms (e.g., Maximum Likelihood, Support Vector Machine) in ArcGIS to classify the imagery based on the training samples. o Assess the classification accuracy using validation datasets. 5. Change Detection Analysis: o Compare classified maps from different periods to identify areas of change, employing techniques like image differencing and post-classification comparison. L.D college of engineering 19 7 REFERENCES 1. USGS Earth Explorer (United States Geological Survey). "Land Use/Land Cover Classification System (LULC)." - providing Data for the Project (Downloading data) Link: https://earthexplorer.usgs.gov/ 2. Bhuvan portal -providing Data for the Project (Downloading data provided by ISRO) Link: https://bhuvan.nrsc.gov.in/ngmaps 3. ArcGIS ArcGIS Pro Documentation: Image Classification -ArcGIS Pro provides a comprehensive guide to supervised classification, which includes workflows for training samples, choosing classification algorithms, and evaluating accuracy. Link: ArcGIS Pro Image Classification 4.QGIS Documentation (for Supervising Classification) - QGIS is a free and open-source Geographic Information System that supports supervised classification through various plugins such as Semi-Automatic Classification Plugin (SCP). Link: QGIS Documentation 5.Research Papers TITLE: -LAND USE & LAND COVER CHANGE DETECTION USING G.I.S. & REMOTE SENSING TITLE: - SATELLITE IMAGE BASED LAND USE LAND COVER CHANGE ANALYSIS OF RANCHI DISTRICT, JHARKHAND TITLE: - A LITERATURE REVIEW ON LAND USE LAND COVER CHANGES TITLE: - ANALYZING AND MODELING LAND USE/LAND COVER CHANGE IN PHU THO PROVINCE, VIETNAM TITLE: - LCLU OF AHMEDABAD DISTRICT BY SUPERVISED CLASSIFICATION (IRGET) TITLE: - IMPACTS OF LAND COVER CHANGES ON LAND SURFACE TEMPERATURE USING LANDSAT IMAGERY WITH THE SUPERVISED CLASSIFICATION METHOD L.D college of engineering 20
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