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 …

Exploration of diffusion kernel density estimation in agricultural drought risk analysis: a case study in Shandong, China

Drought caused the most widespread damage in China, making up over 50 % of the total affected area nationwide in recent decades. In the paper, a Standardized Precipitation Index-based (SPI-based) drought risk study is conducted using historical rainfall data of 19 weather stations in Shandong province, China. Kernel density based …

PCMC slum moves to stop open defecation

Private companies in Pimpri Chinchwad have helped construct 93 individual toilets in Rajiv Gandhinagar slums in Pimpale Saudagar. Mangesh Kadam, senior social worker with Shelter Associates, said, "In four months, we built 93 toilets here and handed them over on Wednesday to slum dwellers. We are working in Sangli, Kolhapur …

NGT asks govt. to set up specialised cell on forest cover

The National Green Tribunal on Monday asked the government to set up a specialised cell in the Forest Department to undertake tree or plant translocation and suggested setting up of a Geo Information System (GIS) Cell in Rajasthan for monitoring of forest cover alongside roads. Giving the order for putting …

Sanitary landfill site selection by using Geographic Information System

Landfilling is one of the most common methods for disposal of municipal solid waste. Government regulations for pollution control and public opposition due to unacceptable conditions makes it extremely difficult for planner to find a new landfill site. Geographic information system (GIS) and multi-criteria decision analysis (MCDA) can be applied …

Information a click away — Atlas that tells where it's best to set up windmills

Now setting up a wind farm to generate electricity any where in the country is just a mouse click away. Scientists at the National Institute of Wind Energy (NIWE) have released a high-resolution `Indian Wind Atlas 2015' that will provide all the information wind farm developers require to know before …

Govt has equal focus on all renewable power sources: Piyush Goyal

Power and Coal Minister Piyush Goyal Wednesday said the government has equal focus on all forms of renewable energy, including solar and wind. "The Union Government has equal focus on various forms of renewable power and does not discriminate between solar, wind or biogas power in terms of providing support …

How effective is albedo modification (solar radiation management geoengineering) in preventing sea-level rise from the Greenland Ice Sheet?

Albedo modification (AM) is sometimes characterized as a potential means of avoiding climate threshold responses, including large-scale ice sheet mass loss. Previous work has investigated the effects of AM on total sea-level rise over the present century, as well as AM's ability to reduce long-term (Gt103 yr) contributions to sea-level …

Forest cover loss blamed for landslips

PUNE: Deforestation and destruction of important flora that binds the soil on slopes have damaged the hill slopes along the Pune-Mumbai expressway, says environmentalists and scientists. A shrub called 'Karvi', which attains a height of almost 20 ft and has deep and strong roots, keeps the soil intact even if …

Geographic Information System-mapping round the corner for TB patients

In a bid to ensure that tuberculosis cases in the country do not escape detection, a Geographic Information System (GIS)-based mapping and tagging of TB patients, which will provide a real time and a dynamic way to represent disease information on maps, is on the anvil. The move gains significance, …

Study of landslide hazard zonation in Mandakini Valley, Rudraprayag district, Uttarakhand using remote sensing and GIS

The Mandakini Valley of Rudraprayag district, Uttarakhand witnessed unprecedented damage to life, property, infrastructure and landscape on 16 and 17 June 2013 due to torrential rains. Run-off discharge data indicate that antecedent rainfall exceeded the limit and the overflow of rivers led to landslide in the region and flash floods …

Social media as an information source for rapid flood inundation mapping

During and shortly after a disaster data about the hazard and its consequences are scarce and not readily available. This research proposes a methodology that leverages social media content to support rapid inundation mapping, including inundation extent and water depth in case of floods. The use case in the city …

High resolution emission inventory of NOx and CO for mega city Delhi, India

In order to support as critical input to air quality forecasting task during Commonwealth Games (CWG) – 2010 in mega city Delhi, we have developed a high resolution emission inventory of major atmospheric pollutants. For the same, inventories of ozone precursors like NOx and CO are developed over a domain …

Study biodiversity not only for research

For more than a decade, the Abasaheb Garware College has offered an MSc course in biodiversity with the department emerging as a centre for research in this field. The management recently introduced electives such as environmental impact assessment and environment and media that will enable students to gain expertise in …

Work on Shimla development plan begins

Shimla’s 36-year-long wait for a development plan may finally end with the state government initiating the process for getting a document prepared which will regulate the haphazard growth of the town and have components like satellite township and decongestion plan. The growth of the town, facing serious traffic, civic and …

Govt to kick off mega plantation drive

With Rs 38,000 crore set to be unlocked under a proposed law for increasing India's green cover over the next few years, the Centre is planning to launch a major plantation drive across the country on World Environment Day on June 5. Environment minister Prakash Javadekar has written to all …

Global warming could sink large parts of Kochi: Scientists

PANAJI: Within 100 years, rising sea levels caused by global warming could submerge large swathes of coastal land in Kochi, Kerala's second most populous city, scientists at the Goa-based Within 100 years, rising sea levels caused by global warming could submerge large swathes of coastal land in Kochi, Kerala's second …

Landslide susceptibility zonation of Tehri reservoir rim region using binary logistic regression model

A remote sensing and GIS based landslide susceptibility zonation (LSZ) of the Tehri reservoir rim region has been presented here. Landslide causal factors such as land use/land cover, photo-lineaments, landslide incidences, drainage, slope, aspect, relative relief, topographic wetness index and stream power index were derived from remote sensing data. Ancillary …

Application of a new methodology for coastal multi-hazard-assessment & management on the state of Karnataka, India

This paper presents the application of a new methodology for coastal multi-hazard assessment & management under a changing global climate on the state of Karnataka, India. The recently published methodology termed the Coastal Hazard Wheel (CHW) is designed for local, regional and national hazard screening in areas with limited data …

Estimating the long-term historic evolution of exposure to flooding of coastal populations

Coastal managers face the task of assessing and managing flood risk. This requires knowledge of the area of land, the number of people, properties and other infrastructure potentially affected by floods. Such analyses are usually static; i.e. they only consider a snapshot of the current situation. This misses the opportunity …

Application of flood risk modelling in a web-based geospatial decision support tool for coastal adaptation to climate change

A pressing problem facing coastal decision makers is the conversion of "high level" but plausible climate change assessments into an effective basis for climate change adaptation at the local scale. Here, we describe a web-based, geospatial decision-support tool (DST) that provides an assessment of the potential flood risk for populated …

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