Thus, the rationale of this study was to evaluate land use cover changes in islamabad from 1992 to 2012. Research that advances understanding the consequences of land use and land cover change should help to better inform policies directed at responding to an ever changing world. Urban land includes both land with houses, buildings and pavement, and other areas that are essentially impervious to infiltration of rainfall. Molusce quick and convenient analysis of land cover changes. These datasets provide information on change between land cover types.
Changes may involve the nature or intensity of change but may also include spatial forest abatement at village level, or for a largescale agro industrial plant, and time aspects. Factors influencing land use and land cover change. A powerful determinant of sustainable and healthy ommunities is a report prepared by the 20 land use team to fulfill the 20 shc product 4. Understanding both the land use and land cover of a track of land provides a comprehensive picture of a particular area. The study examines longterm land use land cover change lucc at a finer scale in a semiarid region of india. Change in slope of the different land cover categories from 197172 to 2000 88 25. Pdf identifying hotspots in land use land cover change and. This increasing trend of land coverland use change in the watersheds area reinforces that economic forces are commonly a major stimulus on anthropogenic change of land wang et al. Analyzing the rate of land use and land cover change and.
To forecast the future pattern of land use land cover in the area. Land cover and landuse change fourth national climate. However, the largest increases can be seen in the northeast, eastcentral, and southwestern regions of ghana. Land use and land cover lulc change is a major issue of global environment change. The headline indicator is based on data from the climate change initiative land cover project, lead by the european space agency. Jan 18, 20 in short, land use indicates how people are using the land, whereas land cover indicates the physical land type.
Both types of data are most often obtained from analysis of either satellite or aerial images. Thus, land use is the backbone of agricultural economies and it provides substantial economic and social benefits. The impacts of changes in land use and land cover cut across all regions. Examples of studies using landuse models and scenarios to assess changes in biodiversity 45. Land use and land cover change research has been applied to landslides, erosion, land planning and global change. In the last decades, due to climate changes, soil deterioration, and land use land cover changes lulccs, land degradation risk has become one of the most important ecological issues at the global level. Area under different land use categories in 197172 and 2000 88 26. Land use, land cover, and trends in ghana west africa. Land use, landuse change, and forestry lulucf, also referred to as forestry and other land use folu, is defined by the united nations climate change secretariat as a greenhouse gas inventory sector that covers emissions and removals of greenhouse gases resulting from direct humaninduced land use such as settlements and commercial uses, landuse change, and forestry activities. Drought and human impacts on land use and land cover change. Land use and land cover changes may be grouped into two broad categories as conversion and modification. Landuse and landcoverrelated options for mitigating climate change reducing the speed and amount of climate change include expanding forests to accelerate removal of carbon from the atmosphere, modifying the way cities are built and organized to reduce energy and motorized transportation demands. Land cover refers to the biophysical characteristics of earths surface, including the distribution of vegetation, water, soil, and other physical features of the land.
Land degradation involves two interlocking systems. To create a land use land cover classification scheme to determine the trend, nature, rate, location and magnitude of land use land cover change. Land use and land cover changes, and environment and risk. Land use\land cover change, landsat imagery, gis, rize. Abstract this research study examines the causes of forest cover change, the rate of land use land cover change in gog district, gambella regional state between the years 19902017 using geospatial techniques.
Impacts of land useland cover change on climate and future. The figure shows the net change in land cover by class in square miles, from 1973 to 2011. Eric lambin is professor at the department of geography at the university of louvain in louvainlaneuve, belgium, and chair of the scientific steering committee of the igbpihdp land use cover change lucc project, besides contributing to many other international scientific projects and initiatives. Land is one of three major factors of production in classical economics along with labor and capital and an essential input for housing and food production. Distribution of the land cover categories in to different slopes %, in the study area 2000 87 24. Zoologically oriented landscape ecologists study the effects of horizontal heterogeneity on animal populations merriam, 1984.
This article gives a overview of the current trends in land use and land cover changes along with two case studies on the same subject, one case study on geospatial lulc change modeling and one on. Witmer abstract the framework of a national land use and land cover classification system is presented for use with remote sensor data. Part i integrated modelling of land use and cover change. Land use and land cover change lulc has two separate terminologies that are often used interchangeably 1. Land use and land cover change detection through remote. In applying to an urban environment, this research aims to demonstrate a new approach to drivers of landusellandcover change analysis, and the use of dynamic. Measuring land cover is the most suitable type of measurement for global observations. Choices about land use and land cover patterns have affected and will continue to affect our vulnerability to the effects of climate change. For performing land usecover change detection, a postclassification detection method was employed. Remote sensing rs has been used to classify and map land cover and land use changes with different techniques and data sets. Ideally, one would use a combination of measuring the activity and the land cover for each land area of interest. Aggregated globally, multiple impacts of local land changes are shown to significantly affect central aspects of earth system functioning. Impervious cover is a useful indicator of impacts of an important parameter of land use and land cover is the amount of urban land in the state. Because of the vertical and horizontal heterogeneity of landscapes, researchers from many disciplines use land survey data.
A forest, for instance, would likely include tree cover but could also include areas of recent tree removals currently covered by open grass areas. Land use change in developing countries harvard john a. The difference between land use and land cover msu. Landuse and landcover change local processes and global. An overview landuse cover changes are influenced by a variety of factors operating on more than one spatial and temporal level and acting not in isolation but in intricate webs of place and timespecific relationships.
Among the causative mechanisms behind land change, synergetic factor combinations are found to be more common than single key factor explanations. Ghana land cover time series 1975, 2000, and 20 download land cover and graphs data. Consequently, changes in land use land cover have implications for global warming, loss of biodiversity, soil erosion, forest fragmentation, alter ecosystem services and increase natural disasters, such as flooding are largely results of land use land cover change lambin et al. Analyzing land useland cover changes using remote sensing. Impacts of land use land cover change on climate and future research priorities by re z au l ma h m o o d, ro g e r a. Monitoring and predicting land use and land cover changes. Land useland cover, change detection, gis, remote sensing, islamabad. Resources supplementing the land use and land cover lesson plans land use and land cover can be defined as how land is utilized. The results of the lulc change data indicate that builtup, agricultural area, and forest cover are the prime categories that had been changed by. Several theories, originating in the natural and the. Land use and land cover changes affect local, regional, and global climate processes.
An overview land use cover changes are influenced by a variety of factors operating on more than one spatial and temporal level and acting not in isolation but in intricate webs of place. The present paper discusses the phenomena of land use and land cover lulc which has undergone constant changes over the past few decades due to major variations in the environment caused by anthropogenic and natural factors. Land use change land cover is determined by environmental factors soil characteristics, climate, topography, and. A land use and land cover classification system for use with. Application of rs and gis for land useland cover mapping. Landsat images in particular have served a great deal in the classification of different landscape components at a larger scale ozesmi and bauer, 2002. Landuse and landcover changes affect local, regional, and global climate processes. Scientific research community called for substantive study of land use changes during the 1972 stockholm conference on the human environment, and again 20 years later, at the 1992 united. In the last decades, due to climate changes, soil deterioration, and land use land cover changes lulccs, land degradation risk has become one of the most important ecological issues at the. Monitoring land usecover change using remote sensing and gis. The objectives were to study and quantify the spatiotemporal lucc and uncover the major drivers causing the change in the mula pravara. Dynamics of land use and land cover change lulcc using. This research study examines the causes of forest cover change, the rate of land use land cover change in gog district, gambella regional state between the. Rather, peoples responses to economic opportunities, as mediated by institutional factors, drive landcover changes.
Conversion refers to changes from one cover or use type to another, while modification involves maintenance of the broad. They aim to provide a harmonised, stable and consistent account of longterm land cover status and changes that is immune to shortterm. Choices about landuse and land cover patterns have affected and will continue to affect 15 how vulnerable or resilient human communities and ecosystems are to the effects of climate 16 change. Land use and land cover lulc change has been shown to have significant effect on climate through various pathways that modulate land surface temperature and. Together with asia air survey weve developed molusce modules for land use change simulations a new tool based on qgis that allows to perform quick and convenient analysis of land cover changes. Detrimental changes in land cover and land use are the leading contributors to terrestrial biodiversity loss. Land useland cover lulc changes play a major role in the study of. Individuals, businesses, nonprofits, and governments have the capacity to make landuse 19 decisions to adapt to the effects of climate change.
These changes generally occur slowly, but they are. Land use cover change analysis in pek, kham and nonghet districts of xieng khouang province, laos khampasert kongay lao. Examples include park, intermediate density residential, and industrial. Jun 21, 2016 in islamabad city and its surroundings, change in land use has been observed and new developments agriculture, commercial, industrial and urban are emerging every day. Pdf land use and land cover change analysis and prediction in. A researcher who analyses changes in landscape through time often. Change modeler for quantifying land use and land cover changes, to examine land use transitions between land cover classes, to identify gain and losses of built up areas in relation to other land cover classes and to asses spatial trend of built up areas. Relation between landcover, landuse and land function and possible methods to. Though humans have been modifying land to obtain food and other essentials. Choices about land use and land management may provide a means of reducing. To generate data on land consumption rate and land absorption coefficient since more emphasis is placed on builtup land. Land use and land cover change is driven by human actions and also drives changes that limit availability of products and services for human and livestock, and it can undermine environmental health as well. Land use change, natural disturbance, and climate change directly alter ecosystem productivity and carbon stock level.
Part i integrated modelling of landuse and cover change. Land use change mapping and analysis using remote sensing. Land use change mapping and analysis using remote sensing and. Pdf the impact of land useland cover changes on land. Land use and land cover change national climate assessment. Individuals, businesses, nonprofits, and governments. A pixelbased comparison was used to produce change information on pixel basis and thus, interpret the changes more efficiently taking the advantage of from, to information. A land use and land cover classification system for use with remote sensor data by james r. Land use cover change analysis in pek, kham and nonghet. The most obvious land cover change in ghana is the major increase in agricultural land in all regions of the country.