Geographical Information Systems (GIS)

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

GPS to track lions at Gir

In an effort to upgrade the conservation and protection of the Asiatic lions in the 1,412 square kilometres of the Gir National Park and Sanctuary, a Global Positioning System (GPS) would soon be deployed in the area. The programme envisages providing the forest department staff with GPS gadgets which would …

GIS for planning and monitoring of works under NREGS

Planning is the most essential part of successful and result-oriented implementation of any scheme or plan. The National Rural Employment Guarantee Scheme (NREGS) has a broad horizon and high promises; in this vision the government is investing a majority of its finances in this particular scheme. Considering the high expectations …

GIS for water supply distribution systems

Water supply systems are fundamental infrastructure components sustaining community public health and economic productivity. This article reviews water supply distribution systems and components, aspects of their design and operation, and geographic information systems (GIS) concepts and tools which support these activities.

3D mapping for Delhi

MANISH ANAND The project, once put in place by April, is expected to change the way various departments function. The official stated that this could put an end to fictitious maintenance works Delhi will move into digital mode of governance from April this year. After completing the 3D GIS mapping …

Quantitative hydrogeological and geomorphological analyses for groundwater potential assessment in hard rock terrains

Hydrogeological and geomorphological parameters have been quantitatively correlated with groundwater availability. Weathered rock thickness has the highest control on availability of groundwater followed by lineament density whereas drainage density is seen to have minimum influence. A poor correlation is noticed between borewell depth and yield. The amplitude of seasonal variations …

Use of high-resolution IKONOS data and GIS technique for transformation of landuse/landcover for sustainable development

Sustainable development has assumed utmost importance in view of the increasing demands on the finite natural resources due to increasing population and need to protect fragile environment. Remote sensing and GIS techniques have capability to assess the available natural resources and its use, and provide information for transformation of alternative …

Tiger reserves to fight poachers

BHUBANESWAR: Its wildlife habitats facing growing pressure, the State Government plans to go in for GIS mapping of the protected areas along with a strengthened anti-poaching setup and identification of the boundaries. The plan covers all the wildlife sanctuaries but Similipal and Satkosia will receive special attention being the two …

US helps conserve Northern forests

US Ambassador to Sri Lanka Patricia A. Butenis officially presented mapping equipment and specialized software to assist the Forest Department with its conservation efforts in the North. Environment and Natural Resources Minister Patalee Champika Ranawaka, accepted on behalf of the Government. The US Agency for International Development (USAID) provided computer …

50 Gir lions to get GPS collars

Wild Cats Between 5-9 Years Will Be Tracked Sasan (Gir): It is official now. About 50 lions, out of the 359 lions, in Gir forest will be fitted with the Global Positioning System (GPS) collars. These lions will be mainly males in the age group of 5-9 years and at …

GIS survey: LMC losing on house tax

LUCKNOW: At a time when municipal bodies seek to put burden on denizens by raising the house tax, a latest geographical information system (GIS) survey has revealed an astonishing picture: Over 50% of the houses are either not assessed for the tax or are under-assessed. The municipal corporations like the …

GIS-based system to help reduce fatal road accidents

CHENNAI: Traffic management efforts in the State received a boost with the launch of the Road Accident Data Management System (RADMS) here on Monday. It has a database of real time, usable data that can help in reducing the number of fatal accidents. Speaking on the occasion, Vellakoil M.P. Saminathan, …

City of the future

THE Jawaharlal Nehru National Urban Renewal Mission (JNNURM) was launched in December 2005 by the United Progressive Alliance (UPA) government in keeping with its Common Minimum Programme. It was a form of reform that urban areas in the country desperately needed before they spiralled into haphazard and over-flowing cities. The …

Impact of climatic parameters on statistical stream flow sensitivity analysis for hydro power

Large areas of Himalayas covered with seasonal snow during winter are rapidly changing during summer, significantly affects the stream flow of many rivers originating from Himalayas. This necessitates the efficient time series monitoring of seasonal snow cover in the rugged mountainous region throughout the winter and summer periods for weekly/monthly …

Application of satellite-based rainfall products and SRTM DEM in hydrological modelling of Brahmaputra Basin

Hydrological modelling of large river catchments is a challenging task for water resources engineers due to its complexity in collecting and handling of both spatial and non-spatial data such as rainfall, gauge discharges, and topographic parameters. In this paper an attempt has been made to use satellite-based rainfall products such …

Spatial analysis of groundwater potential using remote sensing and GIS in the Kanyakumari and Nambiyar Basins, India

Remotely sensed data can provide useful information in understanding the distribution of groundwater, an important source of water supply throughout the world. In the present study, the modern geomatic technologies, namely remote sensing and GIS were used in the identification of groundwater potential zones in the Kanyakumari and Nambiyar basins …

Changing water resources study using GIS and spatial model - A case study of Bhatar Block, District Burdwan, West Bengal, India

Markov chains have been used to model spatial changes in a variety of spheres. Changes in social situations, economic standards, natural resource availability, and even weather conditions have been explored and predicted using Markov Random Function (MRF) and Markov Random Chains (MRC). In this section, the authors try to use …

Application of remote sensing and GIS to assess land use changes in Jhunjhunun district of arid Rajasthan

Over the last four decades exploitation of natural resources to meet increasing societal demands for land based products has caused significant changes in land use and land cover not only in nature's best gifted regions but also environmentally sensitive arid regions. Through digital interpretation of IRS LISS-III data of 2004 …

Evaluation and forecast of human impacts based on land use changes using multi-temporal satellite imagery and GIS

Land use and land cover changes due to human activities in a time sequence. Detection of such changes may help decision makers and planners to understand the factors in land use and land cover change in order to take effective and useful measures. Remote sensing and GIS techniques may be …

Land suitability assessment for selected crops in Vellore district based on agro-ecological characterisation

Planning based on agro-ecological zoning aims at scientific management of regional resources to meet the food, fibre, fodder and fuel wood requirements without adversely affecting the status of natural resources and environment. An attempt has been made to map the agro-ecological units for Vellore district of Tamil Nadu and derive …

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