Jamil Kazmi
University of Karachi, Geography, Faculty Member
Research Interests:
A significant technological advancement and enhanced telecom networks, immensely evolving telecom industry around the globe. Very tough competition, financial and inventory controls have necessitated telecom companies to maximum... more
A significant technological advancement and enhanced telecom networks, immensely evolving telecom industry around the globe. Very tough competition, financial and inventory controls have necessitated telecom companies to maximum utilization of installed telecom network and provide high quality of uninterrupted service to the customers. In this paper we describe the integrated geodatabase model offering solution to the problem of telecom operations, network infrastructure management, optimized network planning, and business operation in telecom sector. It is based on integration of telecom operations, business, parcel base data and base map of Misri Shah telephone exchange service area. Telecom data usually maintained by different department in scattered form consequently many operational and business related activities especially network planning and management requires optimized platform to handle all telecom issues systematically. GIS is widely recommended to meet the requirements of telecom industry. A well designed rigorous GIS data models not only supports standard GIS functions but also supports to model telecom network up to port level competently. These models instantiated on the map provide a geographical representation of the physical telecom network and those supports several operational and business functions right from customer contact, service order, network planning, engineering and many other functional areas. This paper will examine various techniques and methodologies for model telecommunication network and integration of databases for the effective management of telecom network infrastructure with spatial context of operational and business perspectives.
Research Interests:
Research Interests:
Research Interests:
Research Interests:
Research Interests:
The exponential population growth of Karachi city has taken a very heavy toll on the indigenous environment of this South Asian megacity. In this context, the unlikely roadsides plantation of nonnative species by the city decision-makers... more
The exponential population growth of Karachi city has taken a very heavy toll on the indigenous environment of this South Asian megacity. In this context, the unlikely roadsides plantation of nonnative species by the city decision-makers was a short-term solution to cultivate green belts, ultimately, to improve city environment. However, this has backfired and become a very serious ecological crisis as the species become invasive alien species and destroyed the native ecological environment of the city significantly. This study provided an accurate spatial extent of invasive alien species and evaluated the intensity of the problem using remote sensing technology. Firstly, the importance value index was developed to highlight the intensity of invasive alien species in native plant communities. Afterwards, the hot spots were sampled to develop training areas for Object Based Image Analysis to map the extent of invasive alien species in the city using high-resolution GeoEye satellite imagery. The overall accuracy of mapping was 93.17% with Kappa coefficient value of 0.904. In addition, to explore hyperspectral remote sensing analysis, two techniques—Derivative Vegetation Index and Spectral Angle Mapper—were employed on EO-I hyperspectral imagery to map invasive alien species using spectral signatures. The analysis revealed 99.94% correlation between the two mapping techniques. Finally, to identify the impact of invasive alien species on the microclimate of the city, a spatiotemporal analysis (1992–2016) at selected sites was performed on Landsat thermal images. The study ruled out the concept of invasive alien species influence on the microclimate of the city as both vegetation growth and ambient air temperature change were not interdependent.
Research Interests:
This chapter examines the occurrence of malaria in Pakistan within the framework of “game theory,” where the two players are nature and humankind. The degree of malaria resurgence would determine which one of the two players have been... more
This chapter examines the occurrence of malaria in Pakistan within the framework of “game theory,” where the two players are nature and humankind. The degree of malaria resurgence would determine which one of the two players have been more effective. The chapter tracks malaria resurgence by analyzing the malaria situation in 1973 and 1978, the years closest to the highest
Research Interests:
Research Interests:
Research Interests:
Research Interests:
Research Interests:
Research Interests:
This study focuses on the spatiotemporal analysis of early summer heatwaves, droughts, and their relationship with vegetation and soil moisture from 2013 to 2022 in South Punjab, Pakistan. The study uses a unique approach of utilizing a... more
This study focuses on the spatiotemporal analysis of early summer heatwaves, droughts, and their relationship with vegetation and soil moisture from 2013 to 2022 in South Punjab, Pakistan. The study uses a unique approach of utilizing a combination of meteorological-based maximum air temperature Tmax derived from Modern-Era Retrospective analysis for Research and Applications V.2 (MERRA-2) and remotely sensed land surface temperature (LST) to calculate heatwave metrics. Station-based precipitation (P) and remote sensing-based temperature condition index (TCI) are utilized to calculate droughts. The normalized difference vegetation index (NDVI) and the normalized difference water index (NDWI) are used to analyze the relationship between extreme events with vegetation and soil moisture. The results reveal a significant rise in the region's heatwave frequency, duration, and intensity. Spatiotemporal analysis of the SPI and TCI shows the occurrence of droughts in more heatwave years...
Research Interests:
The sustainability of green spaces in any mega city like Karachi is indispensible for ecological stability. Pace of urban growth in Karachi is very fast and this city is continued to be at the risk of various environmental challenges. The... more
The sustainability of green spaces in any mega city like Karachi is indispensible for ecological stability. Pace of urban growth in Karachi is very fast and this city is continued to be at the risk of various environmental challenges. The abrupt land use changes and green cover depletion is one of the core issue for urban environment. Cultivated land is an important asset for the urban dwellers but unfortunately it is deteriorating at the pretext of improvement in the infrastructure facilities. The negative anthropogenic and environmental components are big challenge for managing ecological balance of Karachi. In this study state of art techniques of Geoinformatics utilized to monitor and map periodic changes of land use in SITE Town Karachi from (1992-2015) with special focus on the biomass depletion in Gutter Bagheecha during (2001-2015). Field survey was also conducted for ground truthing and collection of primary data. Comparative analysis were based on Satellite imageries of Landsat-7 and 8 TM 30 m and QuickBird 61 cm resolutions. Results revealed gross degradation in biomass in one of the ecologically rich land-used in Karachi during past 15 years. GIS technology proved very promissing for monitoring the variations of land resources such as loss of green cover or biomass due to urban expansion. Therefore, this study should be beneficial for agriculturists, Urban ecologist and town planners.
Research Interests:
This study was carried out to evaluate natural resources of some Indus creeks using geospatial technologies. The first phase of the study was a detailed monthly water quality and fish stock survey for one year along with associated... more
This study was carried out to evaluate natural resources of some Indus creeks using geospatial technologies. The first phase of the study was a detailed monthly water quality and fish stock survey for one year along with associated environmental observations, which was analysed via Landsat 8 imagery for 2014. In the second phase of the study, appropriate indicators were selected in weighted overlay on ArcGIS platform to perform creek productivity analysis. For this purpose, 13 creeks of Indus delta were selected for detailed analysis. These creeks were chosen using GIS techniques based on accessibility, depth and size. Results obtained from a total number of 65,085 fish catch from 252 identified fisheries important species in which 134 species were estuarine, 107 species marine and 11 species belonged to freshwater. Out of these, six species of Penaeus indicus, Pennahia anea, Stolephorus indicus, Escualosa thoracata, Charybdis sp. and Acanthopagrus arabicus were selected for spatial...
Research Interests:
Research Interests:
Research Interests:
Research Interests:
Karachi shoreline is more than 135 Km long significant for marine fishery breeding and spawning. During 2005 to 2018 the mangrove forest areas in Karachi increased in extent but declined in density. The main cause of mangrove cover change... more
Karachi shoreline is more than 135 Km long significant for marine fishery breeding and spawning. During 2005 to 2018 the mangrove forest areas in Karachi increased in extent but declined in density. The main cause of mangrove cover change in this region are coastal region development (port building, industrial area and waterfront project). This study aims to monitor both extent and density changes of mangrove forest at Karachi coast. For this purpose, the Landsat imagery was used of the years 2005 and 2018 covering a span of 14 years. The imageries were processed through Normalized Difference Vegetation Index (NDVI) analysis. Simultaneously, random sample locations were identified for mapping and validation of mangrove forest extent and density during 2005 to 2018. The sample locations were categorized as dense, normal and sparse classes. In the next step, sample locations were plotted on NDVI images to determine mean, minimum and maximum values for each class of mangrove forest. In...
Research Interests:
Research Interests:
ABSTRACT Satellite Remote Sensing and GIS techniques are very useful for the study about the Wetlands and the spatial distribution of animal species like avifauna as discussed in this paper. Wetlands are amongst the most productive and... more
ABSTRACT Satellite Remote Sensing and GIS techniques are very useful for the study about the Wetlands and the spatial distribution of animal species like avifauna as discussed in this paper. Wetlands are amongst the most productive and dynamic ecosystems and essential part of our landscape. Wetlands provide countless benefits that include rich floral and faunal habitat, improved water quality, flood abatement, water storage and groundwater recharge, support of fisheries, and opportunities for education and recreation. Pakistan, due to its diverse weather and varied land is home to some of the rare and exclusive birds in the world. Its wetlands and lakes attract millions of migratory birds from across the globe. Out of total 19 RAMSAR sites in Pakistan, 10 sites including Hab Dam are located in Sindh. The selected Birds of the study are the common Birds, listed as Least Threatened except the Dalmatian Pelican found in Hub Dam area, listed as Vulnerable by IUCN.
Research Interests:
This chapter examines the occurrence of malaria in Pakistan within the framework of “game theory,” where the two players are nature and humankind. The degree of malaria resurgence would determine which one of the two players have been... more
This chapter examines the occurrence of malaria in Pakistan within the framework of “game theory,” where the two players are nature and humankind. The degree of malaria resurgence would determine which one of the two players have been more effective. The chapter tracks malaria resurgence by analyzing the malaria situation in 1973 and 1978, the years closest to the highest
Research Interests:
The Pakistan coastline has five noteworthy sites that are blessed with mangroves in which, Indus Delta contains the most extensive mangroves area and rank as the largest arid climate mangrove in the world. Due to an urgent demand for... more
The Pakistan coastline has five noteworthy sites that are blessed with mangroves in which, Indus Delta contains the most extensive mangroves area and rank as the largest arid climate mangrove in the world. Due to an urgent demand for conservation and restoration purposes, retrieving up-to-date information about the extent and condition of mangrove ecosystem is essential for management and decision making process. This study aimed to assess the present extent of mangrove forest and their distribution along the Indus Delta and provide the up-to date mangroves forest cover assessment, and detecting the changes in between 2009 and 2014. Landsat 5 Thematic Mapper (TM) and 8 Operational Land Imager (OLI) data were used for mangroves mapping as well as a comparison of pixel based Supervised classification and on screen digitization techniques for delineation of land cover. The supervised classification and onscreen digitization results showed that total area of mangrove cover was 946.52 km...
Research Interests:
Research Interests:
Evaluation of the impacts of prevailing climate change on rivers and water resources is significantly important in order to successfully manage water resources, particularly in snow-fed and glacier-fed catchments. The basic aim of this... more
Evaluation of the impacts of prevailing climate change on rivers and water resources is significantly important in order to successfully manage water resources, particularly in snow-fed and glacier-fed catchments. The basic aim of this research was to assess the impacts of climatic variability on Astore and Hunza river-flows by employing long-term in-situ hydro-meteorological data. Times-series analysis of high- and low-altitude station data revealed consistent summer cooling, and warming in winter and spring seasons in both Karakoram and western Himalayan basins of Hunza and Astore, respectively. The intensity of these changes was not found to be identical in both basins, i.e. Hunza depicts slightly higher summer cooling rates and slightly lower annual, winter and spring warming rates as compared to Astore. Subsequently, the significant increase in annual precipitation of Hunza was also not found to be identical with Astore precipitation, which shows only a slight increase of preci...