Remote Sensing

Order of the National Green Tribunal regarding pollution caused by Talcher Coalfield under Mahanadi Coalfields Limited, Angul district, Odisha, 06/03/2024

Order of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Sridhar Samal Vs State of Odisha & Others dated 06/03/2024. The matter related to pollution caused by Talcher Coalfield under Mahanadi Coalfields Limited in the course of its operation. It was said that on a daily …

Prospect and assessment of groundwater resources using remote sensing techniques in and around Choral river basin

The study area around Choral river basin in the Narmada Valley region, forms a part of Indore and Khargone districts of Madhya Pradesh. The geological, geomorphologic, lineament, hydrogeomorphic and groundwater potential zone maps of the study area have been prepared using IRS IC LISS III FCC imagery on 1:50,000 scale.

Warming maximum in the tropical upper troposphere deduced from thermal winds

There has been a strong disagreement between model predictions of troposphere warming and observations of temperature trends from radiosondes and satellites. However, when tropospheric temperature reconstructions are generated from thermal-wind measurements and the thermal-wind equation for 1970

Wildlife map via satellite

Scientists have drawn a conservation map for the world's richest biodiversity in Madagascar, which could fundamentally change the way conservation priorities are mapped across the world. Unlike most conservation projects that focus on particular species, the study used satellite technology to identify areas most important for saving the highest percentage …

Rainforest map to assert rights

More than 600 indigenous people in the Democratic Republic of Congo began mapping their rainforests on April 9 using gps technology. Their effort is to preserve about 2.4 million hectares of rainforest

Messenger

The Surui people who live inside the Amazon rain forest think they have a new saviour. They call it "Ragogmakan'. But we know Surui's benefactor as Google. Almir Narayamoga, the tribe's chief believes that Google Earth can help them check illegal mining. He came up with the idea when a …

Rescuing the land of Krishna

Visitors to Vrindavan and the fabled land of Lord Krishna, called Braj Bhoomi, are often taken aback by its ramshackle, dirty condition. It has dried up ancient water bodies or kunds, denuded forests and lots of garbage. It also has a dreaded mining mafia running around with dynamite, digging holes …

Antarctic ice shelf collapses

The British Antarctic Survey has released images showing a sizable part of the Wilkins ice shelf off the Antarctic peninsula "hanging by a thread'. It is holding on to a thin strip of ice attached to the main island and scientists worry it might collapse soon. Remote sensing experts noticed …

Carbon crucible

Atmospheric measurements show that the carbon dioxide (CO2) concentration in the atmosphere is currently '385 parts per million (ppm) and rising fast. But this value is a global average that tells us nothing about the regional distribution of greenhouse gas emissions. As the world embraces myriad mitigation strategies, it must …

Degree of yield

A study conducted by the Punjab Remote Sensing Centre and Punjab Agriculture University in 1991 revealed that the temperature during March had a pronounced effect on the yield of wheat. The yield is maximum when the temperature is within the range of 26

Quantifying spatio-temporal variations in heavy metal enormity of groundwaters from Ankaleshwar area

Heavy metal dispersion in groundwaters of Ankaleshwar Industrial Estate, south Gujarat displays colossal temporal variability in both degree and space. In order to facilitate the quantitative measure for site-specific variations, Normalized Difference Dispersal Index (NDDI) maps for five en ironmentally sensitive heavy metals (Ni, Zn, Cu, Mn and Pb) were …

Monitoring of forest cover change in Pranahita Wildlife Sanctuary, Andhra Pradesh, India using remote sensing and GIS

The present study assess spatial change in the land cover over the last decade in Pranahita Wildlife Sanctuary, Adilabad district, Andhra Pradesh, India using Landsat TM and IRS P6 LISS III images. From 1993 to 2004, the forest cover had a severe change and lost about 248.87 ha. There was …

GIS based hypometric analysis for assessment of erosion status of agricultural watersheds in laterite zone of West Bengal

Hypsometric analysis of four agricultural watersheds namely, Parga, Paharpur-1, Bhaluksunda and RK-35 falling in laterite zone of West Bengal was carried out for assessing their erosion status.

A long, dry summer

In parts of the world already facing unreliable food supplies, an uncertain climate adds to the future stress for soils, plants and people. March 20, 2008

Brazil goes to war against logging

It represents half of the world's rainforest and is home to one-third of Earth's species, yet the Amazon has one of the highest rates of deforestation : a report.

Assessment of groundwater quality in Mehadrigedda watershed, Visakhapatnam district, Andhra Pradesh, India

The hydrochemical characteristics of groundwater in Mehadrigedda watershed of Visakhapatnam district have been studied. Twenty eight samples were collected from open wells representing shallow groundwater of the area during Dec, 2005. 2007

Human induced land use/ land cover changes in northern part of Gurgaon District, Haryana: Natural resources census concept

There is tremendous pressure on the natural resources due to increasing population. To meet the demands of large population means the need for more food production, more requirement of energy, more water requirement, better civic amenities for a reasonable quality of urban life, more infrastructure development to sustain increasing pressure …

Effect of deforestation on landslides in Nilgiris District

Landslides in Nilgiris are mainly due to rainfall, but human intervention in the form of deforestation and plantation has turned this into a calamity. This study in the Nilgiris district of Tamil Nadu with the help of Global Land Cover Facility data reveals that there is a drastic reduction in …

Monitoring of forest fires in Bhadra Wildlife Sanctuary

The Western Ghats constitute one of the three biodiversity hotspots in India, which is under constant threat from various quarters. Among the several anthropogenic factor, which plays a pivotal role in vegetation succession and ecosystem processes. It is very important to understand the ecological changes due to fire and other …

Remote sensing and GIS application for land quality assessment for coffee growing areas of Karnataka

An assessment of land quality was carried out for coffee growing areas of Karnataka using satellite image, toposheets and soil studies. The investigation focused on monitoring soil processes that control the land quality using satellite data in order to identify the land qualities of coffee growing areas using satellite imageries, …

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