Remote Sensing

State of India’s environment 2022: in figures

This annual e-book in Figures analyses complex issues pertaining to the country’s environment and development. In today's world where information is available from so many sources that we end up not making any sense of the happenings, this report gives you compelling data stories that are credible and easy to …

Twenty per cent of Mizoram is degraded land

Aizawl, Aug 12: A total of 20.64 per cent of Mizoram has been identified as degraded land due to jhumming or slash and burn method of shifting cultivation, which was alarming, according to official findings.The findings stated that 28.18 per cent of the Mizoram

Monitoring the Indian tropical carbon flux need for a holistic approach

Several studies on the functions and nature of ecosystems, particularly in the tropical rainforest, highlighting rich diversity with high deforestation rates have been found in the global carbon literature. The tropical forests of India and its vulnerable carbon stocks have been inadequately studied.

Century of phytoplankton change

Phytoplankton biomass is a crucial measure of the health of ocean ecosystems. An impressive synthesis of the relevant data, stretching back to more than 100 years ago, provides a connection with climate change.

756 flood hotspots in city, reveals laser mapping Flood control work to begin in Cauvery

THE Institute of Remote Sensing, Anna University on Thursday identified 756 vulnerable pockets in the city in areas like GN Chetty Road, Virugambakkam, MKB Nagar, East-Velachery and Porur as areas with high risk of flooding, after it had conducted a flood-risk mapping of Chennai and its suburbs using ultra modern …

Amazon drought raises research doubts

A once-in-a-century drought struck much of the Amazon rainforest in 2005, reducing rainfall by 60–75% in some areas — and giving scientists a window on to a future coloured by climate change. The drought foreshadowed the Amazon drying that many climate modellers expect to see in a warmer world. But …

Mumbai will be mapped & tracked

MUMBAI: Sting may have famously penned the song 'Every breath you take, every move you make...I'll be watching you' in the 1980s, but it's Mumbai's town planners who are humming the tune now. With the Indian Space Research Organisation (ISRO) successfully placing five satellites, including CARTOSAT-2B, in the earth's orbit …

PSLV launch successful, 4 more satellites placed in orbit

SRIHARIKOTA, 12 JULY: In a textbook launch, India's Polar Satellite Launch Vehicle (PSLV) today successfully placed into orbit remote sensing satellite Cartosat-2B and four other satellites after a perfect lift off from the spaceport here. At the end of an over 51-hour countdown, the 44.4 metre-tall four-stage PSLV-C-15, costing Rs …

What drives the increased phytoplankton biomass in the Arabian Sea?

The seasonal variability of phytoplankton biomass in the Arabian Sea, though a well researched topic, its inter-annual variability is less explored and understood. Analysis of the satellite-derived chlorophyll pigment concentration in the Arabian Sea during 1997

State forest cover dwindling

The size of the total forest cover of the State has shrunk. In 1988-

Call to tap iron ore in Assam, Meghalaya

In view of surging demands of iron ore in India as well as in neighbouring countries, Assam and Meghalaya should pitch in for better prospecting and also come up with policies which would bring in much needed focus on the mineral. All over the world, the demand for iron is …

Securing a future for chimpanzees

Fifty years after setting foot in Gombe, Jane Goodall calls for urgent action to save our closest living relatives from extinction in the wild. Conservationists and local people must collaborate, she and Lilian Pintea conclude. http://www.nature.com/nature/journal/v466/n7303/pdf/466180a.pdf

State of the climate: global analysis - June 2010

The combined global land and ocean average surface temperature for June 2010 was the warmest on record at 16.2

Geoinformation for disaster and risk management: examples and best practices

This report aims to explain to governments, decision makers and disaster professionals the potential uses of geoinformation technologies for reducing disaster risks and losses, based on the knowledge and experience of experts in these fields. It covers all regions of the world and all aspects of disaster risk and its …

Forest rights and wrongs in Sonbhadra

FOUR months pregnant Lalita Devi coiled herself to escape the blows of heavy sticks. She was bewildered why each blow was directed at her belly. Men in khaki were ruthless till she fell unconscious. After five hours she found herself outside the Kone police station. “I was lying in a …

Anomalous cooling over the Arabian Sea during February 2008

Satellite observations over the Arabian Sea revealed anomalous cooling in February 2008 associated with the anomalous north westerly winds from the continent. Land

Degraded land costs Rs 28,500 crore to India

Ankita Rai New Delhi: The country is losing Rs 28,500 crore, at current price, on account of degraded lands. This comes to about 12% loss as per the total value productivity of these lands. According to a study conducted by Indian Council of Agricultural Research and department of space, degraded …

Himalayan ice is stable, but Asia faces drought

The glaciers that feed Asia's largest rivers aren't going to vanish soon – but 60 million Asians will suffer water shortages by 2050.

States get active on curbing illegal mining

Sanjay Jog / Mumbai June 17, 2010, 0:42 IST The central and state governments have agreed on tightening measures to curb illegal mining in the country. It has been decided that satellite imagery sourced from state remote-sensing organisations would be used for this purpose. Andhra Pradesh, Chhattisgarh, Gujarat, Goa, Haryana, …

Ganga changes course in Haridwar

The Ganga in Haridwar district has shifted 500 metres from its course over the past four decades, shows a study by the Uttarakhand Space Application Centre (usac). The state government agency said erosion of the river banks maybe speeding change of course. “Half a kilometre in 36 years can be …

A third of Mars was once covered by ocean: Study

Ahuge, potentially life-giving sea likely covered more than a third of Mars some 3.5 billion years ago, according to a study released on Sunday. Spread over an area the size of the Atlantic Ocean, it would have straddled the north pole and contained the equivalent of a tenth of the …

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