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The project "Environmental Studies of Aizawl City Using Remote Sensing and GIS", undertaken by the Mizoram State Remote Sensing Centre (MSRSC), was designed to develop a comprehensive geospatial database for assessing the environmental status of Aizawl city and to provide scientific inputs for sustainable urban planning. Rapid population growth, unplanned expansion, and increasing developmental activities on the city's fragile hill slopes have intensified environmental problems, including landslides, soil erosion, water scarcity, degradation of natural vegetation, and inadequate urban infrastructure. The study demonstrates the application of Remote Sensing (RS) and Geographic Information System (GIS) technologies as effective tools for integrated environmental assessment and decision support. The study covers the entire Aizawl Municipal Area (approximately 12,900 ha) situated between 23°39'–23°50' N latitude and 92°39'–92°47' E longitude. Multi-source satellite imagery, Survey of India topographic maps, geological and meteorological data, field investigations, GPS observations, and laboratory analyses were integrated within a GIS environment to generate a series of thematic layers. These include land use/land cover, geology, geomorphology, soils, drainage, water resources, terrain characteristics (slope, aspect and elevation), infrastructure, and landslide hazard zonation. The investigation revealed that urban development has largely occurred along narrow ridge tops and steep hill slopes, many exceeding 35–45% slope, significantly increasing the city's vulnerability to slope failures. Geological analysis showed that the folded sedimentary formations of the Surma Group, together with intense monsoonal rainfall exceeding 2,000 mm annually, constitute the primary natural factors responsible for frequent landslides and severe soil erosion. Updated land use mapping indicated rapid expansion of built-up areas at the expense of forests and open spaces, reflecting the city's continued urban sprawl. Water resource assessment identified increasing pressure on both surface and groundwater supplies due to rising population and urban demand, while soil investigations highlighted the prevalence of acidic, erosion-prone soils whose productivity declines rapidly following vegetation removal. An important outcome of the project was the preparation of a GIS-based land capability and water resources plan, landslide hazard zonation, drainage, slope, soil and land use information to identify areas of varying instability which could aid in natural resource based and scientific development of the city. The study also established a comprehensive environmental database that supports resource inventory, hazard assessment and long-term urban monitoring. Based on the findings, the project recommends scientific land-use zoning, regulation of construction on unstable slopes, watershed conservation, afforestation, improved drainage and solid waste management, protection of water sources, and continuous environmental monitoring using GIS. Overall, the study demonstrates that the integration of Remote Sensing and GIS provides a robust scientific framework for urban environmental management, enabling planners and policymakers to balance future urban growth with environmental conservation and disaster risk reduction in Aizawl city. Summarize Metadata Mapping Scale: 1:12,500 Satellite data & Year: IRS 1D PAN (February 2001) & LISS III (May 2002) Study area: Aizawl City Collaborating/Funding Agency: Science, Technology & Environment Wing, Planning Department, Government of Mizoram No. of Report(s) published: 1 Project Period: 2001 - 2005

The National (Natural) Resources Information System (NRIS) for Mizoram was established as a strategic geospatial information initiative under the National Natural Resources Management System (NNRMS) of the Department of Space (DoS), Government of India, with implementation carried out by the Mizoram State Remote Sensing Centre (MSRSC) in collaboration with the State Planning Department and other resource management agencies. Initiated during 1996, it was conceived as part of India's national effort to integrate Remote Sensing, Geographic Information System (GIS), and spatial databases into the planning process, the project aimed to create a standardized and interoperable digital information system that supports evidence-based decision-making for sustainable natural resource management and regional development across Mizoram. The principal objective of the project was to develop an integrated Natural Resources Information System (NRIS) capable of storing, managing, analysing, and disseminating geospatial information on the state's natural resources within a unified GIS framework. Building upon the extensive resource (Eg: IMSD), the project consolidated diverse thematic datasets into a structured spatial database that could be readily accessed and utilized by planners, administrators, researchers, and technical users. The system was designed not merely as a repository of maps, but as a comprehensive Decision Support System (DSS) that enables users to visualize, query, analyse, and integrate spatial information for planning and resource management. The project encompasses the entire state of Mizoram, covering its varied physiographic regions, forests, agricultural landscapes, watersheds, river systems, and human settlements. Using satellite remote sensing, GIS, GPS-assisted field surveys, digital cartography, database management systems, and network-based information architecture, the project integrated thematic information on land use and land cover, forests, soils, geology, geomorphology, drainage, watersheds, groundwater potential, transportation, settlements, administrative boundaries, and other natural resource domains into a standardized geospatial database. The adoption of common data standards, digital map specifications, metadata protocols, and GIS-based analytical tools ensured compatibility between datasets while facilitating seamless information sharing across different government departments and planning agencies. One of the distinguishing features of NRIS is its emphasis on integrated spatial decision support rather than conventional map production. The system enables users to perform spatial queries, overlay analysis, resource evaluation, thematic visualization, and customized modelling to address a wide range of planning requirements. By linking geospatial information with administrative and developmental databases, NRIS supports applications in land-use planning, watershed management, agriculture and horticulture development, forestry, groundwater exploration, infrastructure planning, disaster management, environmental conservation, urban planning, and rural development. The standardized spatial framework also facilitates inter-departmental coordination, minimizes duplication of mapping efforts, and promotes the use of a common geospatial reference for planning activities. As one of the pioneering geospatial information infrastructures developed for Mizoram, the project has significantly strengthened the adoption of GIS-based planning within the State. The digital databases, thematic maps, and analytical capabilities generated under NRIS continue to serve as valuable baseline resources for government departments, academic institutions, researchers, consultants, and development agencies. By transforming large volumes of spatial data into an accessible and user-oriented information system, NRIS has laid the foundation for informed decision-making, multidisciplinary research, and sustainable natural resource management. The project remains an important milestone in the evolution of geospatial technologies in Mizoram and continues to support evidence-based governance through the effective integration of space technology with developmental planning. Summarize Metadata Mapping Scale: 1:50,000 (District level); 1:250,000 (State/Regional level) Satellite data & Year: IRS 1D LISS III (1999) & available reference data from previous projects Study area: Mizoram Collaborating/Funding Agency: Department of Space, Government of India No. of Report(s) published: 1 Project Period: 1998 – 2005

The Wasteland Mapping Project (Phase V) is a nationwide remote sensing initiative undertaken during 1997–1999 under the aegis of the National Remote Sensing Agency (NRSA), Department of Space, Hyderabad, in response to the requirements of the Department of Wasteland Development, Ministry of Rural Areas and Employment, Government of India. The project was conceptualized to generate a systematic and spatially consistent inventory of wastelands across the country to support planning for land reclamation and sustainable resource management. In Mizoram, the responsibility for execution was entrusted to the Mizoram Remote Sensing Application Centre, then functioning under the Science, Technology & Environment Cell, in close coordination with NRSA. The primary objective of the project was to identify, map, and quantify the spatial distribution of wastelands across the three major districts of Mizoram - Aizawl, Lunglei, and Chhimtuipui using satellite remote sensing techniques. The study employed visual interpretation of satellite imagery acquired from the Indian Remote Sensing satellite IRS-1B, utilizing the LISS-II sensor, and mapping was carried out at a scale of 1:50,000. This approach enabled the delineation of wasteland categories within the complex and heterogeneous landscape of Mizoram’s hilly terrain. The analysis identified two major categories of wastelands prevalent in the region: areas under shifting cultivation, including both current and abandoned jhum lands, and degraded notified forest lands. These categories reflect the dominant land-use practices and the associated environmental pressures, particularly the effects of shortened jhum cycles and forest degradation. The project generated district-wise spatial datasets and area statistics, providing a clear representation of the extent and distribution of wastelands. Beyond mapping, the project placed strong emphasis on the productive utilization and rehabilitation of these degraded lands. Based on land capability and ecological suitability, a range of reclamation and management strategies were proposed. These include silvipasture development, sericulture, silviculture, horticulture, agro-horticulture, and improved agricultural practices, each tailored to specific wasteland conditions. The outputs of this project comprising thematic maps, statistical data, and management recommendations serve as a foundational geospatial database for planners and policymakers. The study provides critical baseline information to support scientifically informed decision-making, enabling the formulation of targeted programmes for wasteland development, ecological restoration, and enhancement of land productivity in Mizoram. Summarize Metadata Mapping Scale: 1:50,000 Satellite data & Year: IRS 1B (1995) Study area: Aizawl, Lunglei & Chhimtuipui districts. Collaborating/Funding Agency: National Remote Sensing Centre (NRSC), Hyderabad No. of Reports published: 3 Project Period: 1997 - 1999

The Integrated Mission for Sustainable Development (IMSD) is a nation-wide remote-sensing application initiative launched under the Department of Space, Government of India, to provide spatially explicit natural-resource information and decision support for integrated, area-based planning and sustainable development. Originally developed with technical guidance and standardized field and mapping procedures captured in NRSC/IMSD technical guidelines, the mission established a replicable framework for producing multi-thematic geo-databases (land use/land cover, soils, slope, hydrogeomorphology, drainage and transport networks, settlements and related layers) which can be combined with socio-economic and meteorological data to produce localized action plans. In recognition of its practical value for district and regional planning, the approach has been accepted as a suitable methodology for integrated planning by central planning bodies and used widely across states to inform sectoral interventions. In Mizoram, the project was co-sponsored by the Government of Mizoram and entrusted to the Mizoram State Remote Sensing Application Centre (MIRSAC, formerly MSRSC) for implementation, with technical oversight and inputs from ISRO Headquarters, National Remote Sensing Centre (NRSC), Hyderabad, and RRSC, Kharagpur. The state-level execution followed a phased, district-wise rollout so that each district could receive tailored mapping, field survey support and an action plan prepared from integrated thematic maps and ground surveys. Field reconnaissance and stratified ground truthing were combined with satellite image interpretation and GIS processing to ensure thematic consistency and to calibrate remote-sensing signatures for local conditions. The project emphasized institutional collaboration, capacity building of state technical staff, and the creation of GIS-ready spatial databases that could be maintained and updated by state agencies for iterative planning and monitoring. The principal objective was to generate local-specific, implementable action plans by synthesizing natural-resource thematic maps with socio-economic needs assessments gathered through on-site surveys. These action plans are designed to translate map-based diagnostics into sectoral interventions: forest management and regeneration (including identification of degraded and priority regeneration sites), fodder resource development, targeted agricultural and horticultural development, soil and slope conservation measures, water-resource management (catchment and groundwater interventions), rural infrastructure and settlement planning, and livelihood enhancement activities. The resulting outputs comprise thematic maps, area statistics, land-use change indicators, GIS layers for decision support, and a set of prioritized, site-specific recommendations and implementation steps intended for departmental, village council and programme managers. Operationally, IMSD products serve three linked purposes: (1) to provide an evidence base for integrated, cross-sectoral planning at district and sub-district scales; (2) to identify spatial priorities for conservation and development interventions; and (3) to build state capacity for ongoing monitoring and periodic updating of resource inventories. Lessons from the Mizoram implementation emphasize the need for systematic field validation, periodic updating of imagery, and close coordination between technical agencies and local stakeholders to translate spatial plans into effective on-ground actions. The IMSD framework therefore remains a practical template for scaling remote-sensing-based planning across administrative units and for embedding geospatial information into sustainable development practice. Summarize Metadata Mapping Scale: 1:50,000 Satellite data & Year: IRS 1A/1B (1995-1996) & IRS 1C/1D (1998-2002) Study area: Tuipui watershed, Part of Aizawl district, Part of Chhimtuipui district, Part of Lunglei district, Lunglei district, Saiha & Lawngtlai district. Collaborating/Funding Agency: Mizoram State Remote Sensing Application Centre (MSRSC) No. of Reports published: 6 Project Period: 1995 - 2002

The project constitutes a two part in-house investigation by the Mizoram Remote Sensing & Space Application Centre (MSRSC) designed to evaluate the capability of remote sensing to detect, quantify and characterize shifting cultivation (jhum) dynamics in Mizoram. The combined work brings together two complementary studies by two in-house scientists, each addressing distinct objectives and study areas while sharing a common methodological framework and institutional purpose. One report specifically addresses the Tuivawl catchment in Aizawl District, and the companion report examines shifting-cultivation dynamics in a separate study area described in the document. Together they form an integrated assessment of jhum patterns and associated ecological responses across representative terrain in the state. The combined aim of the project is to establish whether multi-temporal satellite data, interpreted with GIS techniques and supported by field observations, can provide a reliable, repeatable basis for mapping land-use transitions associated with shifting cultivation, estimating fallow-cycle durations, and identifying hotspots of forest conversion or regeneration. To this end the two reports unite remote sensing change detection and classification approaches with ground-level ecological reporting (including a status note on flora and fauna for the Tuivawl catchment), thereby linking landscape-level land-cover dynamics with on-the-ground environmental status. This arrangement allows the project to address both the technical performance of remote sensing methods and their ecological validity when applied to Mizoram’s complex, hilly landscape. Methodologically, the studies use satellite imagery as the principal input, applying temporal comparison and thematic classification to delineate cropping/fallow sequences, shifting cultivation patches, and associated vegetation responses. The Tuivawl component additionally presents a status account of local flora and fauna to contextualise observed land-cover changes. Map products, area statistics and GIS-ready datasets are generated to summarise spatial patterns and trends. Field knowledge and institutional expertise are used to refine thematic assignments and to interpret ambiguous or mixed land-use pixels which is an important consideration in steep, mosaicked landscapes where smallholder practices create heterogeneous signatures. Collectively, the two studies complied in separate reports deliver: (a) district- and catchment-scale LULC maps focused on jhum cycles and their temporal evolution; (b) quantified area changes and fallow-cycle indicators useful for monitoring; (c) an ecological status synopsis (Tuivawl) that grounds remote observations in species-level and habitat information; and (d) an assessment of remote sensing’s strengths and limitations for operational monitoring of shifting cultivation in Mizoram. The work thus supplies policy-relevant evidence for land-use planners, forest managers, and local development agencies seeking spatially explicit data to inform interventions that aim to balance livelihood practices with conservation and land-use sustainability. The reports are presented as an internal study to test method feasibility and to provide baseline products for subsequent, more extensive monitoring programmes. Technical specifics such as sensors and temporal span of imagery, mapping scale, classification schema, field-validation protocols, exact study-area boundaries, authorship of the reports, and year(s) of execution and publication are documented within the individual reports and should be referred to for operational or citation purposes. Summarize Metadata Mapping Scale: 1:250,000 Satellite data & Year: Landsat TM Major Land Use / Land Cover categories: Shifting cultivation & Forest types. Collaborating/Funding Agency: Mizoram State Remote Sensing Application Centre (MSRSC) No. of Reports published: 2 Project Period: 1991 - 1993